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BranchCommit messageAuthorAge
architecture_docsUpdate README.mdGerd Heber18 months
developFix an issue where the Subfiling VFD's context cache grows too large (#4159)jhendersonHDF5 months
develop-readmeUpdate Linux workflows (#3173)Dana Robinson14 months
feature/1_12_recursive_ts_rw_lockUpdates BRANCH.md fileDana Robinson2 years
feature/alignmentPer discussion, use HD and add comments.David Young2 years
feature/async2Update pr-check.ymlLes Kurz4 years
feature/ccioCorrecting H5FD__mpio_custom_<read,write> syntax to have two _ characters.Rick6 years
feature/coding_standardsMerge branch 'develop' into feature/coding_standardsDana Robinson2 years
feature/de-hdTry to turn off auto-formatting on this branch.David Young2 years
feature/h5detectCommitting clang-format changesgithub-actions2 years
feature/h5f_get_obj_reworkReplace internal API callsMatthew Larson6 months
feature/indexingRemoved redundant textRichard Warren5 years
feature/new_datatypesMerge branch 'develop' into feature/new_datatypesDana Robinson5 months
feature/onion_vfdSync with develop (#1863)Dana Robinson2 years
feature/parallel_h5repackSync branch with develop (#1616)Scot Breitenfeld2 years
feature/refactor-h5t-cmpMerge branch 'feature/refactor-h5t-cmp' of github.com:HDFGroup/hdf5 into feat...David Young3 years
feature/select_io_chunk_cacheCommitting clang-format changesgithub-actions8 months
feature/select_io_tconvMerge pull request #2876 from vchoi-hdfgroup/2my_feature_select_io_tconvNeil Fortner15 months
feature/vfd_swmrVFD SWMR: Warning fixes and minor cleanup (#1847)Dana Robinson2 years
feature/vfd_swmr_beta_2Update VFD SWMR UGDana Robinson2 years
feature/vol_cap_flagsConvert unsigned cap flag field to uint64_t and add flags (#2050)Dana Robinson2 years
feature/vol_tools_testsMove changes from external repo to main repo (#3718)Glenn Song10 months
feature/werror-restrictMerge branch 'develop' into feature/werror-restrictDana Robinson2 years
gh-pagesdeploy: 2908dd1d12f82b3ad559e98ae639fac2c238bcddlrknox5 months
hdf5_1_10Added RELEASE.txt from HDF5 1.10.11 release to HISTORY-1_10.txt. (#3611)Larry Knox11 months
hdf5_1_10_10Update release date. (#2655)Larry Knox17 months
hdf5_1_10_11Create 11011 tarball (#3596)Larry Knox11 months
hdf5_1_10_9Remove duplicate line from README.md.Larry Knox2 years
hdf5_1_12Adjust some CMake settings (#3828)Allen Byrne10 months
hdf5_1_12_2HDF5 1.12.2 release created April 19, 2022.Larry Knox2 years
hdf5_1_12_3Hdf5 1 12 3 release (#3833)Larry Knox10 months
hdf5_1_13_2Update READMERE.md and RELEASE.txt with release date.Larry Knox2 years
hdf5_1_13_3Hdf5 1 13 3 - RELEASE.txt updates (#2203)Larry Knox22 months
hdf5_1_14Fix typo/stray character in cmake-ctest.yml (#4128)Larry Knox6 months
hdf5_1_14_0Commit release date.Larry Knox20 months
hdf5_1_14_1Hdf5 1 14 1-2 release for autoconf 2.71 generated files (#2945)Larry Knox16 months
hdf5_1_14_2Update release - fix bug and update date (#3380)Larry Knox13 months
hdf5_1_14_3Release updates (#3792)Larry Knox10 months
hdf5_1_6Merge pull request #1730 in HDFFV/hdf5 from ~BRTNFLD/hdf5_msb:hdf5_1_6 to hdf...Scot Breitenfeld5 years
hdf5_1_8Correct script for 3.12 and update HPC process (#2435)Allen Byrne19 months
hdf5_1_8_23Update release date in RELEASE.txt (#2440)Larry Knox19 months
inactive/110_HDFFV-10808-h5pset_file_space_strategyMerge pull request #1795 in HDFFV/hdf5 from ~BYRN/hdf5_adb:hdf5_1_10 to hdf5_...Allen Byrne5 years
inactive/H5Ocompare[svn-r22275] Clear up examples vs applications instances and add minimum file.Allen Byrne12 years
inactive/NPOESS[svn-r17496] Fixed obvious error : changed talign.c to talign on TEST_PROG as...Allen Byrne15 years
inactive/aio_vfd[svn-r22505] Comment out create file that fail with the new/PGI compiler unti...Larry Knox12 years
inactive/avoid_truncate[svn-r28002] merge from trunk.Mohamad Chaarawi9 years
inactive/cu_devMerge branch 'develop' into cu_devJohn Ravi4 years
inactive/develop_subfilingAdded skeletal version of H5FDsubfiling.c and H5FDsubfiling.h.mainzer4 years
inactive/develop_subfiling_v1Changed the usleep parameters based on whether the MPI rank hosts an IO Conce...Richard Warren4 years
inactive/direct_io_2[svn-r26017] Added BRANCH.txt.Dana Robinson10 years
inactive/h5ocompare[svn-r19890] Add initial implementation for H5Ocompare and usage in h5diff. ...Neil Fortner14 years
inactive/hdf5_daosmFix uninitialized return value bugs.Neil Fortner7 years
inactive/hdf5_ffadded *ff* files dependencyScot Breitenfeld8 years
inactive/hdf5_ff_compactor[svn-r24100] minor fix while creating a memory datatype for native writesVishwanath Venkatesan11 years
inactive/hdf5_radosMerge pull request #1585 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:hdf5_rados to ...Dana Robinson6 years
inactive/jpeg_converter[svn-r15458] Purpose: Modify the library to take the proper action when files...Neil Fortner16 years
inactive/json_volMerge pull request #1633 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:feature/json_v...Dana Robinson5 years
inactive/json_vol_oldcleanup, commentingFrank Willmore7 years
inactive/mdc_sl_optMinor copy edits to comments -- no code changes.mainzer4 years
inactive/mds[svn-r23487] use the core driver at the server side for the metadata fileMohamad Chaarawi11 years
inactive/merge_metadata_journaling[svn-r24779] Description:Quincey Koziol10 years
inactive/metadata_journaling[svn-r22480] Description:Quincey Koziol12 years
inactive/modify_dtype_filter[svn-r15820] Added a design document describing the design details for the fi...Raymond Lu16 years
inactive/multi_rd_wd_coll_io[svn-r29709] another merge from trunk.Mohamad Chaarawi8 years
inactive/multi_rd_wd_coll_io_mergeMerge pull request #837 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:multi_rd_wd_coll_...Larry Knox7 years
inactive/null_vfd[svn-r22705] Updated the failure behavior of inner driver calls. Expanded the...Jacob Gruber12 years
inactive/parallel_vdsSome fixes from Neil plus changes talked about in our last code reviewRichard Warren6 years
inactive/parallel_vds_developMerge branch 'develop' into parallel_vds_developM. Scot Breitenfeld5 years
inactive/parallel_vds_testingAdd two(2) new parallel VDS tests, the VDS merge code for Neil, and a few edi...Richard Warren7 years
inactive/phdf5_metadata_opt[svn-r29080] merge from trunk.Mohamad Chaarawi9 years
inactive/post_open_fixAdded a BRANCH.md fileDana Robinson2 years
inactive/rados_volMerge pull request #1641 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:feature/rados_...Dana Robinson5 years
inactive/selection_ioMerge pull request #1531 from fortnern/selection_ioNeil Fortner2 years
inactive/selection_io_with_subfiling_vfdspelling corrections (#1382)Scot Breitenfeld3 years
inactive/trunk_merge_coverity[svn-r23698] Description:Quincey Koziol11 years
loricooperhdf-patch-1Updated help desk URLLori Cooper9 months
metadata_cache_macro_cleanupremove obsolete SZIP find module (#2901)Allen Byrne16 months
ossf-scorecardCreate scorecard.ymlDana Robinson12 months
pr_484Committing clang-format changesgithub-actions3 years
reduce-h5f-duplicationInstead of duplicating H5F_shared_block_write() and _read() wholesale inDavid Young4 years
sel_io_chunk_cacheCommitting clang-format changesgithub-actions8 months
shell_scriptRemove unneeded/duplicated filesJordan Henderson11 months
zzz-gitlab-ciRun test without submitting to CDash.Larry Knox4 years
 
TagDownloadAuthorAge
snapshotsnapshot.zip  snapshot.tar.gz  snapshot.tar.bz2  lrknox5 months
snapshot-1.14snapshot-1.14.zip  snapshot-1.14.tar.gz  snapshot-1.14.tar.bz2  byrnHDF6 months
hdf5-1_12_3hdf5-1_12_3.zip  hdf5-1_12_3.tar.gz  hdf5-1_12_3.tar.bz2  Larry Knox10 months
snapshot-1.12snapshot-1.12.zip  snapshot-1.12.tar.gz  snapshot-1.12.tar.bz2  byrnHDF10 months
hdf5-1_14_3hdf5-1_14_3.zip  hdf5-1_14_3.tar.gz  hdf5-1_14_3.tar.bz2  Larry Knox10 months
hdf5-1_14_3-rc1hdf5-1_14_3-rc1.zip  hdf5-1_14_3-rc1.tar.gz  hdf5-1_14_3-rc1.tar.bz2  Larry Knox10 months
snapshot-1.10snapshot-1.10.zip  snapshot-1.10.tar.gz  snapshot-1.10.tar.bz2  byrnHDF11 months
hdf5-1_10_11hdf5-1_10_11.zip  hdf5-1_10_11.tar.gz  hdf5-1_10_11.tar.bz2  Larry Knox11 months
hdf5-1_14_2hdf5-1_14_2.zip  hdf5-1_14_2.tar.gz  hdf5-1_14_2.tar.bz2  Larry Knox13 months
hdf5-1_14_1-2hdf5-1_14_1-2.zip  hdf5-1_14_1-2.tar.gz  hdf5-1_14_1-2.tar.bz2  Larry Knox16 months
1.14.1hdf5-1.14.1.zip  hdf5-1.14.1.tar.gz  hdf5-1.14.1.tar.bz2  Larry Knox16 months
hdf5-1_14_1hdf5-1_14_1.zip  hdf5-1_14_1.tar.gz  hdf5-1_14_1.tar.bz2  Larry Knox16 months
hdf5-1_10_10hdf5-1_10_10.zip  hdf5-1_10_10.tar.gz  hdf5-1_10_10.tar.bz2  Larry Knox17 months
hdf5-1_8_23hdf5-1_8_23.zip  hdf5-1_8_23.tar.gz  hdf5-1_8_23.tar.bz2  Larry Knox19 months
hdf5-1_14_0hdf5-1_14_0.zip  hdf5-1_14_0.tar.gz  hdf5-1_14_0.tar.bz2  Larry Knox20 months
hdf5-1_13_3hdf5-1_13_3.zip  hdf5-1_13_3.tar.gz  hdf5-1_13_3.tar.bz2  Larry Knox22 months
hdf5-1_13_2hdf5-1_13_2.zip  hdf5-1_13_2.tar.gz  hdf5-1_13_2.tar.bz2  Larry Knox2 years
hdf5-1_10_9hdf5-1_10_9.zip  hdf5-1_10_9.tar.gz  hdf5-1_10_9.tar.bz2  Larry Knox2 years
hdf5_1_10_9-basehdf5_1_10_9-base.zip  hdf5_1_10_9-base.tar.gz  hdf5_1_10_9-base.tar.bz2  Allen Byrne2 years
hdf5-1_12_2hdf5-1_12_2.zip  hdf5-1_12_2.tar.gz  hdf5-1_12_2.tar.bz2  Larry Knox2 years
hdf5-1_12_2-3-rc1hdf5-1_12_2-3-rc1.zip  hdf5-1_12_2-3-rc1.tar.gz  hdf5-1_12_2-3-rc1.tar.bz2  Larry Knox2 years
hdf5-1_13_1hdf5-1_13_1.zip  hdf5-1_13_1.tar.gz  hdf5-1_13_1.tar.bz2  Larry Knox2 years
hdf5-1_13_0hdf5-1_13_0.zip  hdf5-1_13_0.tar.gz  hdf5-1_13_0.tar.bz2  Larry Knox3 years
hdf5-1_10_8hdf5-1_10_8.zip  hdf5-1_10_8.tar.gz  hdf5-1_10_8.tar.bz2  Larry Knox3 years
hdf5-1_13_0-rc6hdf5-1_13_0-rc6.zip  hdf5-1_13_0-rc6.tar.gz  hdf5-1_13_0-rc6.tar.bz2  Larry Knox3 years
vfd_swmr_beta_1vfd_swmr_beta_1.zip  vfd_swmr_beta_1.tar.gz  vfd_swmr_beta_1.tar.bz2  Dana Robinson3 years
hdf5-1_12_1hdf5-1_12_1.zip  hdf5-1_12_1.tar.gz  hdf5-1_12_1.tar.bz2  Larry Knox3 years
vfd_swmr_alpha_2vfd_swmr_alpha_2.zip  vfd_swmr_alpha_2.tar.gz  vfd_swmr_alpha_2.tar.bz2  Dana Robinson3 years
hdf5-1_8_22hdf5-1_8_22.zip  hdf5-1_8_22.tar.gz  hdf5-1_8_22.tar.bz2  Larry Knox4 years
hdf5-1_13_0-rc5hdf5-1_13_0-rc5.zip  hdf5-1_13_0-rc5.tar.gz  hdf5-1_13_0-rc5.tar.bz2  Neil Fortner4 years
hdf5-1_13_0-rc4hdf5-1_13_0-rc4.zip  hdf5-1_13_0-rc4.tar.gz  hdf5-1_13_0-rc4.tar.bz2  Dana Robinson4 years
hdf5-1_13_0-rc3hdf5-1_13_0-rc3.zip  hdf5-1_13_0-rc3.tar.gz  hdf5-1_13_0-rc3.tar.bz2  Quincey Koziol4 years
hdf5-1_13_0-rc2hdf5-1_13_0-rc2.zip  hdf5-1_13_0-rc2.tar.gz  hdf5-1_13_0-rc2.tar.bz2  jhendersonHDF4 years
hdf5-1_13_0-rc1hdf5-1_13_0-rc1.zip  hdf5-1_13_0-rc1.tar.gz  hdf5-1_13_0-rc1.tar.bz2  Hans Johnson4 years
hdf5-1.12.1-rc1hdf5-1.12.1-rc1.zip  hdf5-1.12.1-rc1.tar.gz  hdf5-1.12.1-rc1.tar.bz2  Allen Byrne4 years
hdf5-1_10_7hdf5-1_10_7.zip  hdf5-1_10_7.tar.gz  hdf5-1_10_7.tar.bz2  Larry Knox4 years
vfd_swmr_alpha_1vfd_swmr_alpha_1.zip  vfd_swmr_alpha_1.tar.gz  vfd_swmr_alpha_1.tar.bz2  John Mainzer4 years
hdf5-1_12_0hdf5-1_12_0.zip  hdf5-1_12_0.tar.gz  hdf5-1_12_0.tar.bz2  Larry Knox4 years
hdf5-1_12_0-initialhdf5-1_12_0-initial.zip  hdf5-1_12_0-initial.tar.gz  hdf5-1_12_0-initial.tar.bz2  Larry Knox5 years
hdf5-1_10_6hdf5-1_10_6.zip  hdf5-1_10_6.tar.gz  hdf5-1_10_6.tar.bz2  Larry Knox5 years
hdf5-1_12_0-alpha1hdf5-1_12_0-alpha1.zip  hdf5-1_12_0-alpha1.tar.gz  hdf5-1_12_0-alpha1.tar.bz2  Larry Knox5 years
hdf5-1_12_0-alpha0hdf5-1_12_0-alpha0.zip  hdf5-1_12_0-alpha0.tar.gz  hdf5-1_12_0-alpha0.tar.bz2  Larry Knox5 years
hdf5_1_12-initialhdf5_1_12-initial.zip  hdf5_1_12-initial.tar.gz  hdf5_1_12-initial.tar.bz2  Larry Knox5 years
hdf5-1_10_5hdf5-1_10_5.zip  hdf5-1_10_5.tar.gz  hdf5-1_10_5.tar.bz2  Larry Knox6 years
hdf5-1_10_4hdf5-1_10_4.zip  hdf5-1_10_4.tar.gz  hdf5-1_10_4.tar.bz2  Larry Knox6 years
Base_1_10_4Base_1_10_4.zip  Base_1_10_4.tar.gz  Base_1_10_4.tar.bz2  Larry Knox6 years
hdf5-1_10_3hdf5-1_10_3.zip  hdf5-1_10_3.tar.gz  hdf5-1_10_3.tar.bz2  Larry Knox6 years
hdf5-1_8_21hdf5-1_8_21.zip  hdf5-1_8_21.tar.gz  hdf5-1_8_21.tar.bz2  Larry Knox6 years
hdf5-1_10_2hdf5-1_10_2.zip  hdf5-1_10_2.tar.gz  hdf5-1_10_2.tar.bz2  Larry Knox6 years
hdf5-1_8_20hdf5-1_8_20.zip  hdf5-1_8_20.tar.gz  hdf5-1_8_20.tar.bz2  Larry Knox7 years
hdf5-1_8_19hdf5-1_8_19.zip  hdf5-1_8_19.tar.gz  hdf5-1_8_19.tar.bz2  Larry Knox7 years
hdf5-1_10_1hdf5-1_10_1.zip  hdf5-1_10_1.tar.gz  hdf5-1_10_1.tar.bz2  Larry Knox7 years
hdf5-1_8_18hdf5-1_8_18.zip  hdf5-1_8_18.tar.gz  hdf5-1_8_18.tar.bz2  lrknox8 years
hdf5-1_10_0-patch1hdf5-1_10_0-patch1.zip  hdf5-1_10_0-patch1.tar.gz  hdf5-1_10_0-patch1.tar.bz2  Larry Knox8 years
hdf5-1_8_17hdf5-1_8_17.zip  hdf5-1_8_17.tar.gz  hdf5-1_8_17.tar.bz2  Larry Knox8 years
hdf5-1_10_0hdf5-1_10_0.zip  hdf5-1_10_0.tar.gz  hdf5-1_10_0.tar.bz2  Larry Knox8 years
hdf5-1_10_0-alpha1hdf5-1_10_0-alpha1.zip  hdf5-1_10_0-alpha1.tar.gz  hdf5-1_10_0-alpha1.tar.bz2  Elena Pourmal9 years
hdf5-1_10_0-alpha0hdf5-1_10_0-alpha0.zip  hdf5-1_10_0-alpha0.tar.gz  hdf5-1_10_0-alpha0.tar.bz2  Elena Pourmal9 years
hdf5-1_8_16hdf5-1_8_16.zip  hdf5-1_8_16.tar.gz  hdf5-1_8_16.tar.bz2  Larry Knox9 years
hdf5_ff_v1hdf5_ff_v1.zip  hdf5_ff_v1.tar.gz  hdf5_ff_v1.tar.bz2  Mohamad Chaarawi9 years
hdf5-1_9_222-swmr0hdf5-1_9_222-swmr0.zip  hdf5-1_9_222-swmr0.tar.gz  hdf5-1_9_222-swmr0.tar.bz2  Albert Cheng9 years
hdf5-1_8_15-patch1hdf5-1_8_15-patch1.zip  hdf5-1_8_15-patch1.tar.gz  hdf5-1_8_15-patch1.tar.bz2  Elena Pourmal9 years
CCP_proto1CCP_proto1.zip  CCP_proto1.tar.gz  CCP_proto1.tar.bz2  Albert Cheng9 years
hdf5-1_8_15hdf5-1_8_15.zip  hdf5-1_8_15.tar.gz  hdf5-1_8_15.tar.bz2  Elena Pourmal9 years
hdf5_1_8_15_precodefreeze_final_commithdf5_1_8_15_precodefreeze_final_commit.zip  hdf5_1_8_15_precodefreeze_final_commit.tar.gz  hdf5_1_8_15_precodefreeze_final_commit.tar.bz2  Larry Knox9 years
vms_last_support_1_8vms_last_support_1_8.zip  vms_last_support_1_8.tar.gz  vms_last_support_1_8.tar.bz2  Dana Robinson10 years
vms_last_support_trunkvms_last_support_trunk.zip  vms_last_support_trunk.tar.gz  vms_last_support_trunk.tar.bz2  Dana Robinson10 years
hdf5-1_8_14hdf5-1_8_14.zip  hdf5-1_8_14.tar.gz  hdf5-1_8_14.tar.bz2  Elena Pourmal10 years
hdf5-1_8_13hdf5-1_8_13.zip  hdf5-1_8_13.tar.gz  hdf5-1_8_13.tar.bz2  Elena Pourmal10 years
DLS_20140316DLS_20140316.zip  DLS_20140316.tar.gz  DLS_20140316.tar.bz2  Elena Pourmal10 years
before_removing_mpiposix_vfdbefore_removing_mpiposix_vfd.zip  before_removing_mpiposix_vfd.tar.gz  before_removing_mpiposix_vfd.tar.bz2  Quincey Koziol10 years
DECTRIS_20131231DECTRIS_20131231.zip  DECTRIS_20131231.tar.gz  DECTRIS_20131231.tar.bz2  Elena Pourmal11 years
DLS_20131204DLS_20131204.zip  DLS_20131204.tar.gz  DLS_20131204.tar.bz2  Elena Pourmal11 years
hdf5-1_8_12-cmake_install_fixhdf5-1_8_12-cmake_install_fix.zip  hdf5-1_8_12-cmake_install_fix.tar.gz  hdf5-1_8_12-cmake_install_fix.tar.bz2  Elena Pourmal11 years
hdf5-1_8_12hdf5-1_8_12.zip  hdf5-1_8_12.tar.gz  hdf5-1_8_12.tar.bz2  Elena Pourmal11 years
DLS_20130630DLS_20130630.zip  DLS_20130630.tar.gz  DLS_20130630.tar.bz2  Albert Cheng11 years
hdf5-1_8_11hdf5-1_8_11.zip  hdf5-1_8_11.tar.gz  hdf5-1_8_11.tar.bz2  Albert Cheng11 years
hdf5-1_8_10-patch1hdf5-1_8_10-patch1.zip  hdf5-1_8_10-patch1.tar.gz  hdf5-1_8_10-patch1.tar.bz2  Albert Cheng12 years
hdf5-1_8_10hdf5-1_8_10.zip  hdf5-1_8_10.tar.gz  hdf5-1_8_10.tar.bz2  Albert Cheng12 years
hdf5-1_8_9hdf5-1_8_9.zip  hdf5-1_8_9.tar.gz  hdf5-1_8_9.tar.bz2  Mike McGreevy12 years
hdf5-1_8_8hdf5-1_8_8.zip  hdf5-1_8_8.tar.gz  hdf5-1_8_8.tar.bz2  Mike McGreevy13 years
hdf5-1_8_7hdf5-1_8_7.zip  hdf5-1_8_7.tar.gz  hdf5-1_8_7.tar.bz2  Mike McGreevy13 years
hdf5-1_8_6hdf5-1_8_6.zip  hdf5-1_8_6.tar.gz  hdf5-1_8_6.tar.bz2  Mike McGreevy14 years
hdf5-1_8_5-patch1hdf5-1_8_5-patch1.zip  hdf5-1_8_5-patch1.tar.gz  hdf5-1_8_5-patch1.tar.bz2  Mike McGreevy14 years
hdf5-1_8_5hdf5-1_8_5.zip  hdf5-1_8_5.tar.gz  hdf5-1_8_5.tar.bz2  Mike McGreevy14 years
hdf5-1_8_4-patch1hdf5-1_8_4-patch1.zip  hdf5-1_8_4-patch1.tar.gz  hdf5-1_8_4-patch1.tar.bz2  Mike McGreevy15 years
hdf5-1_8_4-VMShdf5-1_8_4-VMS.zip  hdf5-1_8_4-VMS.tar.gz  hdf5-1_8_4-VMS.tar.bz2  Elena Pourmal15 years
hdf5-1_8_4hdf5-1_8_4.zip  hdf5-1_8_4.tar.gz  hdf5-1_8_4.tar.bz2  Elena Pourmal15 years
hdf5-1_6_10hdf5-1_6_10.zip  hdf5-1_6_10.tar.gz  hdf5-1_6_10.tar.bz2  Elena Pourmal15 years
hdf5-1_8_3-patchedhdf5-1_8_3-patched.zip  hdf5-1_8_3-patched.tar.gz  hdf5-1_8_3-patched.tar.bz2  Elena Pourmal15 years
hdf5-1_6_9hdf5-1_6_9.zip  hdf5-1_6_9.tar.gz  hdf5-1_6_9.tar.bz2  Elena Pourmal15 years
hdf5-1_8_3hdf5-1_8_3.zip  hdf5-1_8_3.tar.gz  hdf5-1_8_3.tar.bz2  Elena Pourmal15 years
hdf5-1_8_2hdf5-1_8_2.zip  hdf5-1_8_2.tar.gz  hdf5-1_8_2.tar.bz2  Elena Pourmal16 years
hdf5-1_6_8hdf5-1_6_8.zip  hdf5-1_6_8.tar.gz  hdf5-1_6_8.tar.bz2  Elena Pourmal16 years
hdf5-1_8_1hdf5-1_8_1.zip  hdf5-1_8_1.tar.gz  hdf5-1_8_1.tar.bz2  Elena Pourmal16 years
hdf5-1_0_0-alpha1hdf5-1_0_0-alpha1.zip  hdf5-1_0_0-alpha1.tar.gz  hdf5-1_0_0-alpha1.tar.bz2  Quincey Koziol17 years
hdf5-1_0_0-alpha2hdf5-1_0_0-alpha2.zip  hdf5-1_0_0-alpha2.tar.gz  hdf5-1_0_0-alpha2.tar.bz2  Quincey Koziol17 years
hdf5-1_4_5hdf5-1_4_5.zip  hdf5-1_4_5.tar.gz  hdf5-1_4_5.tar.bz2  Quincey Koziol17 years
hdf5-1_4_4hdf5-1_4_4.zip  hdf5-1_4_4.tar.gz  hdf5-1_4_4.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-beta5hdf5-1_8_0-beta5.zip  hdf5-1_8_0-beta5.tar.gz  hdf5-1_8_0-beta5.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-beta4hdf5-1_8_0-beta4.zip  hdf5-1_8_0-beta4.tar.gz  hdf5-1_8_0-beta4.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-beta3hdf5-1_8_0-beta3.zip  hdf5-1_8_0-beta3.tar.gz  hdf5-1_8_0-beta3.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-beta2hdf5-1_8_0-beta2.zip  hdf5-1_8_0-beta2.tar.gz  hdf5-1_8_0-beta2.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-beta1hdf5-1_8_0-beta1.zip  hdf5-1_8_0-beta1.tar.gz  hdf5-1_8_0-beta1.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-alpha4hdf5-1_8_0-alpha4.zip  hdf5-1_8_0-alpha4.tar.gz  hdf5-1_8_0-alpha4.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-alpha3hdf5-1_8_0-alpha3.zip  hdf5-1_8_0-alpha3.tar.gz  hdf5-1_8_0-alpha3.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-alpha2hdf5-1_8_0-alpha2.zip  hdf5-1_8_0-alpha2.tar.gz  hdf5-1_8_0-alpha2.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-alpha1hdf5-1_8_0-alpha1.zip  hdf5-1_8_0-alpha1.tar.gz  hdf5-1_8_0-alpha1.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0-alpha0hdf5-1_8_0-alpha0.zip  hdf5-1_8_0-alpha0.tar.gz  hdf5-1_8_0-alpha0.tar.bz2  Quincey Koziol17 years
hdf5-1_8_0hdf5-1_8_0.zip  hdf5-1_8_0.tar.gz  hdf5-1_8_0.tar.bz2  Elena Pourmal17 years
hdf5-1_9-starthdf5-1_9-start.zip  hdf5-1_9-start.tar.gz  hdf5-1_9-start.tar.bz2  Elena Pourmal17 years
hdf5-1_6_7hdf5-1_6_7.zip  hdf5-1_6_7.tar.gz  hdf5-1_6_7.tar.bz2  Elena Pourmal17 years
hdf5-1_6_6hdf5-1_6_6.zip  hdf5-1_6_6.tar.gz  hdf5-1_6_6.tar.bz2  Elena Pourmal17 years
before_removing_fphdf5before_removing_fphdf5.zip  before_removing_fphdf5.tar.gz  before_removing_fphdf5.tar.bz2  cvs2svn18 years
hdf5-1_6_5hdf5-1_6_5.zip  hdf5-1_6_5.tar.gz  hdf5-1_6_5.tar.bz2  cvs2svn19 years
before_removing_docsbefore_removing_docs.zip  before_removing_docs.tar.gz  before_removing_docs.tar.bz2  cvs2svn19 years
hdf5-1_6_4hdf5-1_6_4.zip  hdf5-1_6_4.tar.gz  hdf5-1_6_4.tar.bz2  cvs2svn19 years
before_removing_tbbt_codebefore_removing_tbbt_code.zip  before_removing_tbbt_code.tar.gz  before_removing_tbbt_code.tar.bz2  cvs2svn20 years
before_signed_unsigned_changesbefore_signed_unsigned_changes.zip  before_signed_unsigned_changes.tar.gz  before_signed_unsigned_changes.tar.bz2  cvs2svn20 years
hdf5-1_6_3hdf5-1_6_3.zip  hdf5-1_6_3.tar.gz  hdf5-1_6_3.tar.bz2  cvs2svn20 years
hdf5-1_6_2hdf5-1_6_2.zip  hdf5-1_6_2.tar.gz  hdf5-1_6_2.tar.bz2  cvs2svn21 years
hdf5-1_6_1hdf5-1_6_1.zip  hdf5-1_6_1.tar.gz  hdf5-1_6_1.tar.bz2  cvs2svn21 years
hdf5-1_6_0hdf5-1_6_0.zip  hdf5-1_6_0.tar.gz  hdf5-1_6_0.tar.bz2  cvs2svn21 years
hdf5-1_4_3hdf5-1_4_3.zip  hdf5-1_4_3.tar.gz  hdf5-1_4_3.tar.bz2  cvs2svn23 years
hdf5-1_4_2hdf5-1_4_2.zip  hdf5-1_4_2.tar.gz  hdf5-1_4_2.tar.bz2  cvs2svn23 years
hdf5-1_4_1hdf5-1_4_1.zip  hdf5-1_4_1.tar.gz  hdf5-1_4_1.tar.bz2  cvs2svn23 years
hdf5-1_4_0hdf5-1_4_0.zip  hdf5-1_4_0.tar.gz  hdf5-1_4_0.tar.bz2  cvs2svn24 years
hdf5-1_2_2hdf5-1_2_2.zip  hdf5-1_2_2.tar.gz  hdf5-1_2_2.tar.bz2  cvs2svn24 years
hdf5-1_2_1hdf5-1_2_1.zip  hdf5-1_2_1.tar.gz  hdf5-1_2_1.tar.bz2  cvs2svn25 years
hdf5-1_2_0hdf5-1_2_0.zip  hdf5-1_2_0.tar.gz  hdf5-1_2_0.tar.bz2  cvs2svn25 years
hdf5-1_3_1hdf5-1_3_1.zip  hdf5-1_3_1.tar.gz  hdf5-1_3_1.tar.bz2  cvs2svn25 years
hdf5-1_3_0hdf5-1_3_0.zip  hdf5-1_3_0.tar.gz  hdf5-1_3_0.tar.bz2  cvs2svn25 years
hdf5-1_2_0-beta1-update2hdf5-1_2_0-beta1-update2.zip  hdf5-1_2_0-beta1-update2.tar.gz  hdf5-1_2_0-beta1-update2.tar.bz2  cvs2svn25 years
hdf5-1_2_0betahdf5-1_2_0beta.zip  hdf5-1_2_0beta.tar.gz  hdf5-1_2_0beta.tar.bz2  cvs2svn25 years
hdf5-1_0_1hdf5-1_0_1.zip  hdf5-1_0_1.tar.gz  hdf5-1_0_1.tar.bz2  cvs2svn26 years
hdf5-1_0_0hdf5-1_0_0.zip  hdf5-1_0_0.tar.gz  hdf5-1_0_0.tar.bz2  cvs2svn26 years
r1_1beta1r1_1beta1.zip  r1_1beta1.tar.gz  r1_1beta1.tar.bz2  cvs2svn26 years
proto1proto1.zip  proto1.tar.gz  proto1.tar.bz2  cvs2svn27 years
generated by cgit v0.12 at 2024-08-29 16:54:47 (GMT)
id='n2659' href='#n2659'>2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 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3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 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## Process this file with autoconf to produce configure.
##
## Copyright by The HDF Group.
## Copyright by the Board of Trustees of the University of Illinois.
## All rights reserved.
##
## This file is part of HDF5.  The full HDF5 copyright notice, including
## terms governing use, modification, and redistribution, is contained in
## the COPYING file, which can be found at the root of the source code
## distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
## If you do not have access to either file, you may request a copy from
## help@hdfgroup.org.

## ----------------------------------------------------------------------
## Initialize configure.
##
AC_REVISION($Id: configure.ac 22697 2012-08-19 14:35:47Z hdftest $)
AC_PREREQ([2.69])

## AC_INIT takes the name of the package, the version number, and an
## email address to report bugs. AC_CONFIG_SRCDIR takes a unique file
## as its argument.
##
## NOTE: Do not forget to change the version number here when we do a
## release!!!
##
AC_INIT([HDF5], [1.13.0], [help@hdfgroup.org])

AC_CONFIG_SRCDIR([src/H5.c])
AC_CONFIG_HEADERS([src/H5config.h])

AC_CONFIG_AUX_DIR([bin])
AC_CONFIG_MACRO_DIR([m4])

## AM_INIT_AUTOMAKE takes a list of options that should be applied to
## every Makefile.am when automake is run.
AM_INIT_AUTOMAKE([foreign subdir-objects])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) # use silent rules where available - automake 1.11

## AM_MAINTAINER_MODE turns off "rebuild rules" that contain dependencies
## for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE
## is enabled, these files will be rebuilt if out of date. This is a
## problem because if users try to build on a machine with
## the wrong versions of autoconf and automake, these files will be
## rebuilt with the wrong versions and bad things can happen.
## Also, CVS doesn't preserve dependencies between timestamps, so
## Makefiles will often think rebuilding needs to occur when it doesn't.
##
## By default, it is enabled. Users can configure with
## --disable-maintainer-mode to prevent running the autotools.
AM_MAINTAINER_MODE([disable])

## ----------------------------------------------------------------------
## Set prefix default (install directory) to a directory in the build area.
## This allows multiple src-dir builds within one host.
AC_PREFIX_DEFAULT([`pwd`/hdf5])

## Run post processing on files created by configure.
## src/H5pubconf.h:
## Generate src/H5pubconf.h from src/H5config.h by prepending H5_ to all
## macro names. This avoid name conflict between HDF5 macro names and those
## generated by another software package that uses the HDF5 library.
## src/libhdf5.settings:
## Remove all lines begun with "#" which are generated by CONDITIONAL's of
## configure.
AC_CONFIG_COMMANDS([pubconf], [
  echo "creating src/H5pubconf.h"
  sed 's/#define /#define H5_/' <src/H5config.h |\
    sed 's/#undef /#undef H5_/' >pubconf
  if test ! -f src/H5pubconf.h; then
    /bin/mv -f pubconf src/H5pubconf.h
  elif (diff pubconf src/H5pubconf.h >/dev/null); then
    rm -f pubconf
    echo "src/H5pubconf.h is unchanged"
  else
    /bin/mv -f pubconf src/H5pubconf.h
  fi
  echo "Post process src/libhdf5.settings"
  sed '/^#/d' < src/libhdf5.settings > libhdf5.settings.TMP
  cp libhdf5.settings.TMP src/libhdf5.settings
  rm -f libhdf5.settings.TMP
])

## It's possible to configure for a host other than the one on which
## configure is currently running by using the --host=foo flag.
## For machines on which HDF5 is often configured, it can be convenient
## to specify the name of the machine rather than its canonical type.
##
## There are currently no hosts, but if there were they would be
## listed by hostname and the alias would point to a file in
## the config directory:
##
##case $host_alias in
##  <some host>)
##    host_alias=<config file in config directory>
##    ;;
##esac

AC_CANONICAL_HOST
AC_SUBST([CPPFLAGS])
AC_SUBST([JNIFLAGS])
AC_SUBST([AR_FLAGS])

## H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but
## not exported to h5cc (or h5fc, etc.)
##
AC_SUBST([H5_CFLAGS])
AC_SUBST([H5_CPPFLAGS])
AC_SUBST([H5_FCFLAGS])
AC_SUBST([H5_CXXFLAGS])
AC_SUBST([H5_JNIFLAGS])
AC_SUBST([H5_JAVACFLAGS])
AC_SUBST([H5_JAVAFLAGS])
AC_SUBST([H5_LDFLAGS])

## AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5,
## and WILL be exported to h5cc (or h5fc, etc) if set by configure.
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_FCFLAGS])
AC_SUBST([AM_CXXFLAGS])
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_JNIFLAGS])
AC_SUBST([AM_JAVACFLAGS])
AC_SUBST([AM_JAVAFLAGS])
AC_SUBST([AM_LDFLAGS])

## Make sure flags are initialized.
AM_CFLAGS="${AM_CFLAGS}"
AM_CXXFLAGS="${AM_CXXFLAGS}"
AM_FCFLAGS="${AM_FCFLAGS}"
AM_CPPFLAGS="${AM_CPPFLAGS}"
AM_JNIFLAGS="${AM_JNIFLAGS}"
AM_JAVACFLAGS="${AM_JAVACFLAGS}"
AM_JAVAFLAGS="${AM_JAVAFLAGS}"
AM_LDFLAGS="${AM_LDFLAGS}"
CFLAGS="${CFLAGS}"
CXXFLAGS="${CXXFLAGS}"
FCFLAGS="${FCFLAGS}"
CPPFLAGS="${CPPFLAGS}"
JNIFLAGS="${JNIFLAGS}"
JAVACFLAGS="${JAVACFLAGS}"
JAVAFLAGS="${JAVAFLAGS}"
LDFLAGS="${LDFLAGS}"
AR_FLAGS="${AR_FLAGS}"

## Configure may need to alter any of the *FLAGS variables in order for
## various checks to work correctly. Save the user's value here so it
## can be restored once all configure checks are complete.
saved_user_CFLAGS="$CFLAGS"
saved_user_CXXFLAGS="$CXXFLAGS"
saved_user_FCFLAGS="$FCFLAGS"
saved_user_JAVACFLAGS="$JAVACFLAGS"
saved_user_JAVAFLAGS="$JAVAFLAGS"
saved_user_LDFLAGS="$LDFLAGS"
saved_user_CPPFLAGS="$CPPFLAGS"

## Support F9X variable to define Fortran compiler if FC variable is
## not used.  This should be deprecated in the future.
if test "x" = "x$FC"; then
  FC=${F9X}
fi

## ----------------------------------------------------------------------
## Dump all shell variables values.
##
AC_MSG_CHECKING([shell variables initial values])
set >&AS_MESSAGE_LOG_FD
AC_MSG_RESULT([done])

## ----------------------------------------------------------------------
## Save system information for the library settings file.
##
AC_SUBST([UNAME_INFO])
UNAME_INFO=`uname -a`

## ----------------------------------------------------------------------
## Some platforms have broken basename, and/or xargs programs. Check
## that it actually does what it's supposed to do. Catch this early
## since configure and scripts relies upon them heavily and there's
## no use continuing if it's broken.
##
AC_MSG_CHECKING([if basename works])
BASENAME_TEST="`basename /foo/bar/baz/qux/basename_works`"
if test $BASENAME_TEST != "basename_works"; then
  AC_MSG_ERROR([basename program doesn't work])
else
  AC_MSG_RESULT([yes])
fi

## xargs basename used in configure to get the CC_BASENAME value
AC_MSG_CHECKING([if xargs works])
XARGS_TEST="`echo /foo/bar/baz/qux/xargs_works | xargs basename`"
if test $XARGS_TEST != "xargs_works"; then
  AC_MSG_ERROR([xargs program doesn't work])
else
  AC_MSG_RESULT([yes])
fi

## ----------------------------------------------------------------------
## Check that the cache file was build on the same host as what we're
## running on now.
##
AC_CACHE_CHECK([for cached host], [hdf5_cv_host], [hdf5_cv_host="none"]);
if test $hdf5_cv_host = "none"; then
  hdf5_cv_host=$host
elif test $hdf5_cv_host != $host; then
  echo "The config.cache file was generated on $hdf5_cv_host but"
  echo "this is $host.  Please remove that file and try again."
  AC_MSG_ERROR([config.cache file is invalid])
fi

## ----------------------------------------------------------------------
## Source any special files that we need.  These files normally aren't
## present but can be used by the maintainers to fine tune things like
## turning on debug or profiling flags for the compiler.  The search order
## is:
##
##    CPU-VENDOR-OS
##    VENDOR-OS
##    CPU-OS
##    CPU-VENDOR
##    OS
##    VENDOR
##    CPU
##
## If the `OS' ends with a version number then remove it. For instance,
## `freebsd3.1' would become `freebsd'

case $host_os in
  aix*)
    host_os_novers=aix
    ;;
  freebsd*)
    host_os_novers=freebsd
    ;;
  netbsd*)
    host_os_novers=netbsd
    ;;
  solaris*)
    host_os_novers=solaris
    ;;
  *)
    host_os_novers=$host_os
    ;;
esac

host_config="none"
for f in $host_cpu-$host_vendor-$host_os \
         $host_cpu-$host_vendor-$host_os_novers \
         $host_vendor-$host_os \
         $host_vendor-$host_os_novers \
         $host_cpu-$host_os \
         $host_cpu-$host_os_novers \
         $host_cpu-$host_vendor \
         $host_os \
         $host_os_novers \
         $host_vendor \
         $host_cpu ; do
  AC_MSG_CHECKING([for config $f])
  if test -f "$srcdir/config/$f"; then
    host_config=$srcdir/config/$f
    AC_MSG_RESULT([found])
    break
  fi
  AC_MSG_RESULT([no])
done
if test "X$host_config" != "Xnone"; then
  CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`"
  . $host_config
fi

## Source any special site-specific file
hname="`hostname`"
while test -n "$hname"; do
  file=$srcdir/config/site-specific/host-$hname
  AC_MSG_CHECKING([for config $file])
  if test -f "$file"; then
    . $file
    AC_MSG_RESULT([found])
    break
  fi
  AC_MSG_RESULT([no])
  hname_tmp=$hname
  hname="`echo $hname | cut -d. -f2-99`"
  test "$hname_tmp" = "$hname" && break
done

##
## Enable/disable sanitizer checks for clang compilers, initially address sanitizer
##
AC_MSG_CHECKING([for clang sanitizer checks])
AC_ARG_ENABLE([sanitize-checks],
              [AS_HELP_STRING([--enable-sanitize-checks=address],
                              [(clang/clang++ compilers only) Enable sanitize checks.
                               Address is useful for detecting issues dealing with
                               memory. See AddressSanitizer in config/sanitizer/README.md
                               for more information.
                               [default=none]
                               ])],
              [CLANG_SANITIZE_CHECKS=$enableval])

# Set default
if test "X-$CLANG_SANITIZE_CHECKS" = X- ; then
  CLANG_SANITIZE_CHECKS=none
fi

if test "X$CC_BASENAME" = "Xclang"; then
  AC_SUBST([CLANG_SANITIZE_CHECKS])

  # There are several sanitizer tools.  At present we are testing
  # and describing only -fsanitizer=address with autotools.
  case "X-$CLANG_SANITIZE_CHECKS" in
    X-no|X-none)
      CLANG_SANITIZE_CHECKS=none
      CLANG_SANITIZE_LIST=
      ;;
    *)
      CLANG_SANITIZE_LIST=$CLANG_SANITIZE_CHECKS
      ;;
  esac
  AC_MSG_RESULT([$CLANG_SANITIZE_CHECKS])

  # Other tools can be added to the list of checks
  # The clang compiler doesn't support some of them; they should be
  # checked before adding them to the list in the help message.
  # The sanitizers/sanitizers.cmake file lists these options:
  # address, memory, memoryWithOrigins, undefined, thread, leak,
  # 'address;undefined'.  Which and which combinations of these are
  #  supported varies by compiler version, but unsupported options
  # or combinations will result in configure errors reported in config.log.
  # Comma separated lists of sanitize options wil be entered intact in
  # one -fsanitize=<list> flag.  Space separated lists will be entered in
  # separate -fsanitize=<item> flags.
  # NOTE: No sanity checking done here!
  if test -n "$CLANG_SANITIZE_LIST"; then
    H5_CFLAGS="$H5_CFLAGS -fno-omit-frame-pointer"
    H5_CXXFLAGS="$H5_CXXFLAGS -fno-omit-frame-pointer"
    for sanitizer in `echo $CLANG_SANITIZE_LIST`; do
      H5_CFLAGS="$H5_CFLAGS -fsanitize=${sanitizer}"
      H5_CXXFLAGS="$H5_CXXFLAGS -fsanitize=${sanitizer}"
    done
  fi
fi

## ----------------------------------------------------------------------
## Determine build mode (debug, production, clean).
## This has to be done early since the build mode is referred to
## frequently.
##
AC_MSG_CHECKING([build mode])
AC_ARG_ENABLE([build-mode],
              [AS_HELP_STRING([--enable-build-mode=(debug|production|clean)],
                              [Sets the build mode. Debug turns on symbols, API
                               tracing, asserts, and debug optimization,
                               as well as several other minor configure options
                               that aid in debugging.
                               Production turns high optimizations on.
                               Clean turns nothing on and disables optimization
                               (i.e.: a 'clean slate' configuration).
                               All these settings can be overridden by using
                               specific configure flags.
                               [default=debug]
                               ])],
              [BUILD_MODE=$enableval])

## Set the default
## Depends on branch, set via script at branch creation time
if test "X-$BUILD_MODE" = X- ; then
    BUILD_MODE=debug
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([BUILD_MODE])

case "X-$BUILD_MODE" in
  X-clean)
    AC_MSG_RESULT([clean])
    ;;
  X-debug)
    AC_DEFINE([DEBUG_BUILD], [1], [Define if this is a debug build.])
    H5_CFLAGS="$H5_CFLAGS $DEBUG_CFLAGS"
    H5_CPPFLAGS="$H5_CPPFLAGS $DEBUG_CPPFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $DEBUG_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $DEBUG_FCFLAGS"
    AC_MSG_RESULT([debug])
    ;;
  X-production)
    H5_CFLAGS="$H5_CFLAGS $PROD_CFLAGS"
    H5_CPPFLAGS="$H5_CPPFLAGS $PROD_CPPFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $PROD_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $PROD_FCFLAGS"
    AC_MSG_RESULT([production])
    ;;
  *)
    AC_MSG_ERROR([Unrecognized build mode: $BUILD_MODE. Use debug, production, or clean.])
esac

## ----------------------------------------------------------------------
## Some built-in configure checks can only see CFLAGS (not AM_CFLAGS), so
## we need to add this in so configure works as intended. We will need to
## reset this value at the end of configure, to preserve the user's settings.
CFLAGS="${AM_CFLAGS} ${CFLAGS}"
FCFLAGS="${AM_FCFLAGS} ${FCFLAGS}"
JAVACFLAGS="${AM_JAVACFLAGS} ${JAVACFLAGS}"
JAVAFLAGS="${AM_JAVAFLAGS} ${JAVAFLAGS}"
CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}"
CPPFLAGS="${AM_CPPFLAGS} ${CPPFLAGS}"
LDFLAGS="${AM_LDFLAGS} ${LDFLAGS}"

## ----------------------------------------------------------------------
## Enable dependency tracking unless the configure options or a
## site-specific file told us not to.  This prevents configure from
## silently disabling dependencies for some compilers.
##
if test -z "${enable_dependency_tracking}"; then
  enable_dependency_tracking="yes"
fi

## ----------------------------------------------------------------------
## Check for programs.
##
AC_PROG_CC
CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`"

## ----------------------------------------------------------------------------
## Configure disallows unsupported combinations of options. However, users
## may want to override and build with unsupported combinations for their
## own use. They can use the --enable-unsupported configure flag, which
## ignores any errors from configure due to incompatible flags.
AC_MSG_CHECKING([if unsupported combinations of configure options are allowed])
AC_ARG_ENABLE([unsupported],
              [AS_HELP_STRING([--enable-unsupported],
                              [Allow unsupported combinations of configure options])],
              [ALLOW_UNSUPPORTED=$enableval])

case "X-$ALLOW_UNSUPPORTED" in
  X-|X-no)
    AC_MSG_RESULT([no])
    ;;
  X-yes)
    AC_MSG_RESULT([yes])
    ;;
  *)
    ;;
esac

## ----------------------------------------------------------------------
## Data types and their sizes.
##
AC_TYPE_OFF_T
AC_CHECK_TYPE([size_t], [],
        [AC_DEFINE_UNQUOTED([size_t], [unsigned long],
                [Define to `unsigned long' if <sys/types.h> does not define.])])
AC_CHECK_TYPE([ssize_t], [],
        [AC_DEFINE_UNQUOTED([ssize_t], [long],
                [Define to `long' if <sys/types.h> does not define.])])
AC_CHECK_TYPE([ptrdiff_t], [],
        [AC_DEFINE_UNQUOTED([ptrdiff_t], [long],
                [Define to `long' if <sys/types.h> does not define.])])
AC_C_BIGENDIAN
AC_CHECK_SIZEOF([char])
AC_CHECK_SIZEOF([short])
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([unsigned])
AC_CHECK_SIZEOF([long])
AC_CHECK_SIZEOF([long long])
AC_CHECK_SIZEOF([__int64])
AC_CHECK_SIZEOF([float])
AC_CHECK_SIZEOF([double])
AC_CHECK_SIZEOF([long double])

## ----------------------------------------------------------------------
## Check for non-standard extension __FLOAT128
##
HAVE_FLOAT128=0
HAVE_QUADMATH=0
FLT128_DIG=0
LDBL_DIG=0

AC_CHECK_SIZEOF([__float128])
AC_CHECK_SIZEOF([_Quad])
AC_CHECK_HEADERS([quadmath.h], [HAVE_QUADMATH=1], [])
PAC_FC_LDBL_DIG

AC_SUBST([PAC_C_MAX_REAL_PRECISION])

if test "$ac_cv_sizeof___float128" != 0 && test "$FLT128_DIG" != 0 ; then
  AC_DEFINE([HAVE_FLOAT128], [1], [Determine if __float128 is available])
  PAC_C_MAX_REAL_PRECISION=$FLT128_DIG
else
  PAC_C_MAX_REAL_PRECISION=$LDBL_DIG
fi
AC_DEFINE_UNQUOTED([PAC_C_MAX_REAL_PRECISION], $PAC_C_MAX_REAL_PRECISION, [Determine the maximum decimal precision in C])
AC_MSG_RESULT([$PAC_C_MAX_REAL_PRECISION])

## ----------------------------------------------------------------------
## Check if they would like the Fortran interface compiled
##

## This needs to be exposed for the library info file even if Fortran is disabled.
AC_SUBST([HDF_FORTRAN])

## Default is no Fortran
HDF_FORTRAN=no

AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES=""
AC_MSG_CHECKING([if Fortran interface enabled])
AC_ARG_ENABLE([fortran],
              [AS_HELP_STRING([--enable-fortran],
                              [Compile the Fortran interface [default=no]])],
              [HDF_FORTRAN=$enableval])

if test "X$HDF_FORTRAN" = "Xyes"; then
  echo "yes"
else
  echo "no"
fi

if test "X$HDF_FORTRAN" = "Xyes"; then

## We will output an include file for Fortran, H5config_f.inc which
## contains various configure definitions used by the Fortran Library.
## Prepend H5_ to all macro names. This avoids name conflict between HDF5 macro
## names and those generated by another software package that uses the HDF5 library.
  AC_CONFIG_HEADERS([fortran/src/H5config_f.inc],
    [cat fortran/src/H5config_f.inc | sed '1d;s%^/\* \(.*\) \*/%\1%;s/#define /#define H5_/;s/#undef /#undef H5_/' >fortran/src/H5config_f.inc.tmp; mv -f fortran/src/H5config_f.inc.tmp fortran/src/H5config_f.inc])

  AC_SUBST([FC])

  HDF5_INTERFACES="$HDF5_INTERFACES fortran"

  ## --------------------------------------------------------------------
  ## HDF5 integer variables for the H5fortran_types.f90 file.
  ##
  AC_SUBST([R_LARGE])
  AC_SUBST([R_INTEGER])
  AC_SUBST([HADDR_T])
  AC_SUBST([HSIZE_T])
  AC_SUBST([HSSIZE_T])
  AC_SUBST([HID_T])
  AC_SUBST([SIZE_T])
  AC_SUBST([OBJECT_NAMELEN_DEFAULT_F])

  ## --------------------------------------------------------------------
  ## Fortran source extention
  ##
  AC_FC_SRCEXT([f90])

  AC_SUBST([F9XSUFFIXFLAG])
  AC_SUBST([FSEARCH_DIRS])

  ## --------------------------------------------------------------------
  ## Check for a Fortran compiler and how to include modules.
  ##
  AC_PROG_FC([PAC_FC_SEARCH_LIST],)
  AC_F9X_MODS

  ## Change to the Fortran 90 language
  AC_LANG_PUSH(Fortran)

  ## Checking if the compiler supports the required Fortran 2003 features and
  ## stopping if it does not.
  PAC_PROG_FC_HAVE_F2003_REQUIREMENTS

  if test "X$HAVE_F2003_REQUIREMENTS" = "Xno"; then
    AC_MSG_ERROR([Fortran compiler lacks required Fortran 2003 features; unsupported Fortran 2003 compiler, remove --enable-fortran])
  fi

  ## --------------------------------------------------------------------
  ## Define wrappers for the C compiler to use Fortran function names
  ##
  AC_FC_WRAPPERS

  ## --------------------------------------------------------------------
  ## See if the fortran compiler supports the intrinsic function "SIZEOF"
  PAC_PROG_FC_SIZEOF

  ## See if the fortran compiler supports the intrinsic function "C_SIZEOF"
  PAC_PROG_FC_C_SIZEOF

  ## See if the fortran compiler supports the intrinsic function "STORAGE_SIZE"
  PAC_PROG_FC_STORAGE_SIZE

  ## Set the sizeof function for use later in the fortran tests
  if test "X$HAVE_STORAGE_SIZE_FORTRAN" = "Xyes";then
    FC_SIZEOF_A="STORAGE_SIZE(a, c_size_t)/STORAGE_SIZE(c_char_'a',c_size_t)"
    FC_SIZEOF_B="STORAGE_SIZE(b, c_size_t)/STORAGE_SIZE(c_char_'a',c_size_t)"
    FC_SIZEOF_C="STORAGE_SIZE(c, c_size_t)/STORAGE_SIZE(c_char_'a',c_size_t)"
  else
    if test "X$HAVE_SIZEOF_FORTRAN" = "Xyes";then
      FC_SIZEOF_A="SIZEOF(a)"
      FC_SIZEOF_B="SIZEOF(b)"
      FC_SIZEOF_C="SIZEOF(c)"
    else
      ## If neither intrinsic functions SIZEOF or STORAGE_SIZE is available then stop configure with an error
      AC_MSG_ERROR([Fortran compiler requires either intrinsic functions SIZEOF or STORAGE_SIZE])
    fi
  fi

  ## See if the fortran compiler supports the intrinsic module "ISO_FORTRAN_ENV"
  PAC_PROG_FC_ISO_FORTRAN_ENV
  ## Check KIND and size of native integer
  PAC_FC_NATIVE_INTEGER

  ## Find all available KINDs
  PAC_FC_AVAIL_KINDS
  ## Find all sizeofs for available KINDs
  PAC_FC_SIZEOF_INT_KINDS
  PAC_FC_SIZEOF_REAL_KINDS

  AC_SUBST([PAC_FC_ALL_REAL_KINDS])
  AC_SUBST([PAC_FC_MAX_REAL_PRECISION])
  AC_SUBST([PAC_FORTRAN_NUM_INTEGER_KINDS])
  AC_SUBST([PAC_FC_ALL_INTEGER_KINDS])
  AC_SUBST([PAC_FC_ALL_REAL_KINDS_SIZEOF])
  AC_SUBST([PAC_FC_ALL_INTEGER_KINDS_SIZEOF])
  AC_SUBST([PAC_FORTRAN_NATIVE_INTEGER_KIND])
  AC_SUBST([PAC_FORTRAN_NATIVE_INTEGER_SIZEOF])
  AC_SUBST([PAC_FORTRAN_NATIVE_REAL_KIND])
  AC_SUBST([PAC_FORTRAN_NATIVE_REAL_SIZEOF])
  AC_SUBST([PAC_FORTRAN_NATIVE_DOUBLE_KIND])
  AC_SUBST([PAC_FORTRAN_NATIVE_DOUBLE_SIZEOF])
  AC_SUBST([HAVE_Fortran_INTEGER_SIZEOF_16])
  AC_SUBST([FORTRAN_HAVE_C_LONG_DOUBLE])
  AC_SUBST([FORTRAN_C_LONG_DOUBLE_IS_UNIQUE])
  AC_SUBST([H5CONFIG_F_NUM_RKIND])
  AC_SUBST([H5CONFIG_F_RKIND])
  AC_SUBST([H5CONFIG_F_RKIND_SIZEOF])
  AC_SUBST([H5CONFIG_F_NUM_IKIND])
  AC_SUBST([H5CONFIG_F_IKIND])
  AC_SUBST([Fortran_COMPILER_ID])
  Fortran_COMPILER_ID=none
  AC_DEFINE_UNQUOTED([Fortran_COMPILER_ID], $Fortran_COMPILER_ID, [Define Fortran compiler ID])

  ## Setting definition if there is a 16 byte fortran integer
  if `echo $PAC_FC_ALL_INTEGER_KINDS_SIZEOF | grep '16' >/dev/null`; then
    HAVE_Fortran_INTEGER_SIZEOF_16="1"
    AC_DEFINE([HAVE_Fortran_INTEGER_SIZEOF_16], [1], [Determine if INTEGER*16 is available])
  else
    HAVE_Fortran_INTEGER_SIZEOF_16="0"
    AC_DEFINE([HAVE_Fortran_INTEGER_SIZEOF_16], [0], [Determine if INTEGER*16 is available])
  fi

  if test "X$HAVE_STORAGE_SIZE_FORTRAN" = "Xyes"; then
    AC_DEFINE([FORTRAN_HAVE_STORAGE_SIZE], [1], [Define if we have Fortran intrinsic STORAGE_SIZE])
  fi

  if test "X$HAVE_C_SIZEOF_FORTRAN" = "Xyes"; then
    AC_DEFINE([FORTRAN_HAVE_C_SIZEOF], [1], [Define if we have Fortran intrinsic C_SIZEOF])
  fi

  if test "X$HAVE_SIZEOF_FORTRAN" = "Xyes"; then
    AC_DEFINE([FORTRAN_HAVE_SIZEOF], [1], [Define if we have Fortran intrinsic SIZEOF])
  fi

  ## See if C_LONG_DOUBLE is available
  PAC_PROG_FC_HAVE_C_LONG_DOUBLE

  FORTRAN_HAVE_C_LONG_DOUBLE="0"
  if test "X$HAVE_C_LONG_DOUBLE_FORTRAN" = "Xyes"; then
    FORTRAN_HAVE_C_LONG_DOUBLE="1"
    AC_DEFINE([FORTRAN_HAVE_C_LONG_DOUBLE], [1], [Define if we have Fortran C_LONG_DOUBLE])
  fi

  ## Is C_LONG_DOUBLE different from C_DOUBLE
  FORTRAN_C_LONG_DOUBLE_IS_UNIQUE="0"
  if test "$FORTRAN_HAVE_C_LONG_DOUBLE" = "1"; then
    PAC_PROG_FC_C_LONG_DOUBLE_EQ_C_DOUBLE
    if test "X$C_LONG_DOUBLE_IS_UNIQUE_FORTRAN" = "Xyes"; then
      FORTRAN_C_LONG_DOUBLE_IS_UNIQUE="1"
      AC_DEFINE([FORTRAN_C_LONG_DOUBLE_IS_UNIQUE], [1], [Define if Fortran C_LONG_DOUBLE is different from C_DOUBLE])
    else
      FORTRAN_C_LONG_DOUBLE_IS_UNIQUE="0"
    fi
  fi

  FORTRAN_SIZEOF_LONG_DOUBLE=${ac_cv_sizeof_long_double}
  AC_DEFINE_UNQUOTED([FORTRAN_SIZEOF_LONG_DOUBLE], ["${ac_cv_sizeof_long_double}"], [Determine the size of C long double])

  dnl get the largest sizeof for REAL kinds
  max_real_fortran_sizeof="`echo $PAC_FC_ALL_REAL_KINDS_SIZEOF | sed -ne 's/.*,\([[0-9]]*\)}/\1/p'`"
  max_real_fortran_kind="`echo $PAC_FC_ALL_REAL_KINDS | sed -ne 's/.*,\([[0-9]]*\)}/\1/p'`"

  dnl remove the invalid kind from the list
  if test "$ac_cv_sizeof___float128" != 0;then
    if test "$ac_cv_sizeof___float128" != "$max_real_fortran_sizeof" &&
       test "${ac_cv_sizeof_long_double}" != "$max_real_fortran_sizeof" &&
       dnl account for the fact that the C compiler can have 16-byte __float128 and the Fortran compiler only has 8-byte doubles,
       dnl so we don't want to remove the 8-byte Fortran doubles. This is sometimes the case if different C and Fortran vendors
       dnl are used (for example gnu and pgi).
       test "${ac_cv_sizeof_double}" != "$max_real_fortran_sizeof" ; then
          AC_MSG_WARN([
           Fortran REAL(KIND=$max_real_fortran_kind) is $max_real_fortran_sizeof Bytes, but no corresponding C float type exists of that size
                     !!! Fortran interfaces will not be generated for REAL(KIND=$max_real_fortran_kind) !!!
          ])
      PAC_FC_ALL_REAL_KINDS="`echo $PAC_FC_ALL_REAL_KINDS | sed -e 's/,[[0-9]]\+}/}/g'`"
      PAC_FC_ALL_REAL_KINDS_SIZEOF="`echo $PAC_FC_ALL_REAL_KINDS_SIZEOF | sed -e 's/,[[0-9]]\+}/}/g'`"

    fi
  fi
  AC_MSG_CHECKING([for Fortran interoperable KINDS with C])
  AC_MSG_RESULT([$PAC_FC_ALL_REAL_KINDS])

  dnl count the number of real kinds
  H5CONFIG_F_NUM_RKIND="INTEGER, PARAMETER :: num_rkinds = `echo \"[$]PAC_FC_ALL_REAL_KINDS\" |  tr -d -c ',\n' | awk '{ print length + 1; }'`"
  H5CONFIG_F_RKIND="INTEGER, DIMENSION(1:num_rkinds) :: rkind = (/`echo $PAC_FC_ALL_REAL_KINDS | sed -e 's/{//g' | sed -e 's/}//g' | sed -e 's/ /,/g'`/)"
  H5CONFIG_F_RKIND_SIZEOF="INTEGER, DIMENSION(1:num_rkinds) :: rkind_sizeof = (/`echo $PAC_FC_ALL_REAL_KINDS_SIZEOF | sed -e 's/{//g' | sed -e 's/}//g'| sed -e 's/ /,/g'`/)"

  AC_DEFINE_UNQUOTED([H5CONFIG_F_NUM_RKIND], $H5CONFIG_F_NUM_RKIND, [Define number of valid Fortran REAL KINDs])
  AC_DEFINE_UNQUOTED([H5CONFIG_F_RKIND], $H5CONFIG_F_RKIND, [Define valid Fortran REAL KINDs])
  AC_DEFINE_UNQUOTED([H5CONFIG_F_RKIND_SIZEOF], $H5CONFIG_F_RKIND_SIZEOF, [Define valid Fortran REAL KINDs Sizeof])

## Change back to the C language
  AC_LANG_POP(Fortran)
else
  FC="no"
fi

## ----------------------------------------------------------------------
## Check if they would like the C++ interface compiled
##
## This needs to be exposed for the library info file even if C++ is disabled.
AC_SUBST([HDF_CXX])

## Default is no C++
HDF_CXX=no

## We need to check for a C++ compiler unconditionally, since
## AC_PROG_CXX defines some macros that Automake 1.9.x uses and will
## miss even if c++ is not enabled.
AC_PROG_CXX
AC_PROG_CXXCPP    ## this is checked for when AC_HEADER_STDC is done

AC_MSG_CHECKING([if c++ interface enabled])

AC_ARG_ENABLE([cxx],
              [AS_HELP_STRING([--enable-cxx],
                              [Compile the C++ interface [default=no]])],
              [HDF_CXX=$enableval])

if test "X$HDF_CXX" = "Xyes"; then
  echo "yes"
  HDF5_INTERFACES="$HDF5_INTERFACES c++"

  ## Expose the compiler for *.in files
  AC_SUBST([CXX])

  ## Change to the C++ language
  AC_LANG_PUSH(C++)

  ## Checking if C++ needs old style header files in includes
  PAC_PROG_CXX_HEADERS

  ## Checking if C++ can handle namespaces
  PAC_PROG_CXX_NAMESPACE

  ## if C++ can handle static cast
  PAC_PROG_CXX_STATIC_CAST

  ## Checking if C++ has offsetof extension,
  ## note: this test has to be the last of the C++ tests because it sets a definition
  ## which would be used in the other tests, causing them to fail.
  PAC_PROG_CXX_OFFSETOF

else
  AC_MSG_RESULT([no])
  CXX="no"
fi

## Change back to the C language
AC_LANG_POP(C++)


## ----------------------------------------------------------------------
## Check if they would like the High Level library  compiled
##

## This needs to be exposed for the library info file even if the HL
## library is disabled.
AC_SUBST([HDF5_HL])

## The high-level library is enabled unless the build mode is clean.
if test "X-$BUILD_MODE" = "X-clean" ; then
  HDF5_HL=no
else
  HDF5_HL=yes
fi

## high-level library directories (set when needed, blank until then)
##
## main high-level library
AC_SUBST(HL)
HL=""
## Fortran high-level library
AC_SUBST(HL_FOR)
HL_FOR=""

AC_MSG_CHECKING([if the high-level library is enabled])
AC_ARG_ENABLE([hl],
     [AS_HELP_STRING([--enable-hl],
                     [Enable the high-level library.
                     [default=yes (unless build mode = clean)]
                     ])],
     [HDF5_HL=$enableval])

if test "X-$HDF5_HL" = "X-yes"; then
 AC_MSG_RESULT([yes])
 HL="hl"
 AC_DEFINE([INCLUDE_HL], [1],
           [Define if the high-level library headers should be included in hdf5.h])
else
  AC_MSG_RESULT([no])
fi


## ----------------------------------------------------------------------
## Check which archiving tool to use. This needs to be done before
## the AM_PROG_LIBTOOL macro.
##
if test -z "$AR"; then
  AC_CHECK_PROGS([AR], [ar xar], [:], [$PATH])
fi
AC_SUBST([AR])

# Set the default ar flags to cr
# The Automake default is to use cru and the 'u' causes ar
# to emit warnings on some platforms.
AR_FLAGS=cr


## Export the AR macro so that it will be placed in the libtool file
## correctly.
export AR

AC_PROG_MAKE_SET
AC_PROG_INSTALL


## ----------------------------------------------------------------------
## Set up ${TR} which is used to process the package list for extra
## debugging output in the C library.

AC_PATH_PROG([TR], [tr])


## ----------------------------------------------------------------------
## Check that time can be used with srcdir.  This is okay on most systems,
## but seems to cause problems on Cygwin.
## The solution on Cygwin is not to record execution time for tests.
##
## Note: This is still true as of Cygwin 1.7.32 (Aug 2014) on both 32-
## and 64-bit platforms. Given how long this has been true, it seems
## unlikely to change, but we should probably re-test this periodically.

AC_MSG_CHECKING([if srcdir= and time commands work together])

AC_SUBST([TIME])
TIME=time
TIME_TEST=`foo="bar" ${TIME} echo 'baz' 2> /dev/null | grep baz`

if test "X${TIME_TEST}" = "Xbaz"; then
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
  TIME=
fi


## The following variables are used to distinguish between building a
## serial and parallel library.
##
##    HAVE_PARALLEL    -- defined in H5config.h if we are building
##               a parallel library even if configure wasn't
##               able to find some header file or library that
##               might be required. This is defined if the
##               user explicitly states
##               that a parallel library is being built by supplying
##               the `--enable-parallel' configure switch.
##
##    PARALLEL        -- This variable is set to a non-null value if
##               we're building a parallel version of the library.
##
##    RUNSERIAL            -- This is a command which will be prepended to
##               the executable name to run the executable using
##               a single process. For serial versions of the
##               library this will normally be empty. For parallel
##               versions it might be something like `mpiexec -n 1'.
##               The value of this variable is substituted in *.in
##               files.
##
##    RUNPARALLEL    -- This is a command which will be prepended to
##               the executable name to run the executable on
##               multiple processors. For the serial library the
##               value will normally be the empty string. For
##               parallel library it should be something like
##               "mpiexec -n \$\${NPROCS:=6}" where NPROCS will
##               eventually contain the number of processors on which
##               to run the executable (the double dollarsigns are to
##               protect the expansion until make executes the
##               command).  The value of this variable is
##               substituted in *.in files.
##
AC_SUBST([PARALLEL])
AC_SUBST([RUNSERIAL])
AC_SUBST([RUNPARALLEL])
AC_SUBST([TESTPARALLEL])

## ----------------------------------------------------------------------
## Check if they would like the Java native interface (JNI) compiled
##

## This needs to be exposed for the library info file even if Java is disabled.
AC_SUBST([HDF_JAVA])

## Default is no Java
HDF_JAVA=no

AC_SUBST([H5_CLASSPATH]) H5_CLASSPATH=""
AC_MSG_CHECKING([if Java JNI interface enabled])

AC_ARG_ENABLE([java],
              [AS_HELP_STRING([--enable-java],
                              [Compile the Java JNI interface [default=no]])],
              [HDF_JAVA=$enableval])

if test "X$HDF_JAVA" = "Xyes"; then
  if test "X${enable_shared}" != "Xno"; then
    echo "yes"
    if test "X$CLASSPATH" = "X"; then
      H5_CLASSPATH=".:$srcdir/java/lib"
    else
      H5_CLASSPATH=".:$CLASSPATH:$srcdir/java/lib"
    fi
    ## Checks for programs.
    AX_JAVA_OPTIONS
    H5_JAVACFLAGS=$JAVACFLAGS
    H5_JAVAFLAGS=$JAVAFLAGS
    AX_PROG_JAVAC
    AX_PROG_JAVA
    AX_PROG_JAR
    AX_PROG_JAVADOC
    ## Find the include directories needed for building JNI code
    AX_JNI_INCLUDE_DIR()
    for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
    do
      JNIFLAGS="$JNIFLAGS -I$JNI_INCLUDE_DIR"
    done
    ## Find junit for testing the JNI code
    AX_CHECK_CLASSPATH()
    CLASSPATH_ENV=$H5_CLASSPATH
    AX_CHECK_JUNIT()
    AX_CHECK_JAVA_HOME

    AC_MSG_RESULT([yes])
  else
    AC_MSG_ERROR([Java requires shared libraries to be built])
    HDF_JAVA="no"
    AC_MSG_RESULT([no])
  fi
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Fortran libraries are not currently supported on Mac. Disable them.
## (this is overridable with --enable-unsupported).
##
AC_SUBST([H5_FORTRAN_SHARED])
H5_FORTRAN_SHARED="no"
if test "X${HDF_FORTRAN}" = "Xyes" && test "X${enable_shared}" != "Xno"; then
  AC_MSG_CHECKING([if shared Fortran libraries are supported])
  H5_FORTRAN_SHARED="yes"
  ## tell libtool to do the right thing with COMMON symbols, this fixes
  ## corrupt values with COMMON and EQUIVALENCE when building shared
  ## Fortran libraries on OSX with gnu and Intel compilers (HDFFV-2772).
  case "`uname`" in
    Darwin*)
    H5_LDFLAGS="$H5_LDFLAGS -Wl,-commons,use_dylibs"
    ;;
  esac

  ## Report results of check(s)

  if test "X${H5_FORTRAN_SHARED}" = "Xno"; then
    AC_MSG_RESULT([no])
    AC_MSG_WARN([$CHECK_WARN])
    if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
      AC_MSG_WARN([Disabling shared Fortran libraries.])
      AC_MSG_WARN([To override this behavior, please use --enable-unsupported configure option.])
        if test "X${enable_static}" = "Xno"; then
          AC_MSG_ERROR([both static and shared Fortran libraries are disabled])
        fi
    else
      AC_MSG_WARN([Allowing unsupported Fortran shared libraries due to use of --enable-unsupported flag])
      H5_FORTRAN_SHARED="yes"
    fi
  else
    AC_MSG_RESULT([yes])
  fi
fi

AM_CONDITIONAL([FORTRAN_SHARED_CONDITIONAL], [test "X$H5_FORTRAN_SHARED" = "Xyes"])

## ----------------------------------------------------------------------
## Check if they would like to disable building tests
##

## This needs to be exposed for the library info file.
AC_SUBST([HDF5_TESTS])

## Default is to build tests
HDF5_TESTS=yes

AC_MSG_CHECKING([if building tests is disabled])

AC_ARG_ENABLE([tests],
              [AS_HELP_STRING([--enable-tests],
                              [Compile the HDF5 tests [default=yes]])],
              [HDF5_TESTS=$enableval])

if test "X$HDF5_TESTS" = "Xno"; then
  AC_MSG_RESULT([yes])
  echo "Building HDF5 tests is disabled"
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Check if they would like to disable building tools
##

## This needs to be exposed for the library info file.
AC_SUBST([HDF5_TOOLS])

## Default is to build tests and tools
HDF5_TOOLS=yes

AC_MSG_CHECKING([if building tools is disabled])

AC_ARG_ENABLE([tools],
              [AS_HELP_STRING([--enable-tools],
                              [Compile the HDF5 tools [default=yes]])],
              [HDF5_TOOLS=$enableval])

if test "X$HDF5_TOOLS" = "Xno"; then
  AC_MSG_RESULT([yes])
  echo "Building HDF5 tools is disabled"
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Check if they would like to enable building doxygen files
##

## This needs to be exposed for the library info file.
AC_SUBST([HDF5_DOXYGEN])

## Default is to not build DOXYGEN
HDF5_DOXYGEN=no

AC_MSG_CHECKING([if building doxygen is enabled])

AC_ARG_ENABLE([doxygen],
              [AS_HELP_STRING([--enable-doxygen],
                              [Compile the HDF5 doxygen files [default=no]])],
              [HDF5_DOXYGEN=$enableval])

if test "X$HDF5_DOXYGEN" = "Xyes"; then
  AC_MSG_RESULT([yes])
  DX_DOXYGEN_FEATURE(ON)
  DX_DOT_FEATURE(OFF)
  DX_HTML_FEATURE(ON)
  DX_CHM_FEATURE(OFF)
  DX_CHI_FEATURE(OFF)
  DX_MAN_FEATURE(ON)
  DX_RTF_FEATURE(OFF)
  DX_XML_FEATURE(OFF)
  DX_PDF_FEATURE(OFF)
  DX_PS_FEATURE(OFF)

  AC_SUBST([DOXYGEN_PACKAGE])
  AC_SUBST([DOXYGEN_VERSION_STRING])
  AC_SUBST([DOXYGEN_INCLUDE_ALIASES])
  AC_SUBST([DOXYGEN_PROJECT_LOGO])
  AC_SUBST([DOXYGEN_PROJECT_BRIEF])
  AC_SUBST([DOXYGEN_INPUT_DIRECTORY])
  AC_SUBST([DOXYGEN_OPTIMIZE_OUTPUT_FOR_C])
  AC_SUBST([DOXYGEN_MACRO_EXPANSION])
  AC_SUBST([DOXYGEN_OUTPUT_DIRECTORY])

  DOXYGEN_PACKAGE=${PACKAGE_NAME}
  DOXYGEN_VERSION_STRING=${PACKAGE_VERSION}
  DOXYGEN_INCLUDE_ALIASES='$(SRCDIR)/doxygen/aliases'
  DOXYGEN_PROJECT_LOGO='$(SRCDIR)/doxygen/img/HDFG-logo.png'
  DOXYGEN_PROJECT_BRIEF="C-API Reference"
  DOXYGEN_INPUT_DIRECTORY='$(SRCDIR) $(SRCDIR)/doxygen/dox'
  DOXYGEN_OPTIMIZE_OUTPUT_FOR_C=YES
  DOXYGEN_MACRO_EXPANSION=YES
  DOXYGEN_OUTPUT_DIRECTORY=hdf5lib_docs

  DX_INIT_DOXYGEN([HDF5], [../doxygen/Doxyfile], [hdf5lib_docs])

else
  AC_MSG_RESULT([no])
  echo "Doxygen support is disabled"
fi


## ----------------------------------------------------------------------
## Create libtool.  If shared/static libraries are going to be enabled
## or disabled, it should happen before these macros.
LT_PREREQ([2.2])

## ----------------------------------------------------------------------
## dlopen - This will use an improved version of libtool
## win32-dll - This will build clean dlls on win32 platforms.
LT_INIT([dlopen,win32-dll])

## ----------------------------------------------------------------------
## Check if we should install only statically linked executables.
##   This check needs to occur after libtool is initialized because
##   we check a libtool cache value and may issue a warning based
##   on its result.
AC_SUBST([STATIC_EXEC])

## Default is no
STATIC_EXEC=no

AC_MSG_CHECKING([if we should install only statically linked executables])
AC_ARG_ENABLE([static_exec],
              [AS_HELP_STRING([--enable-static-exec],
                              [Install only statically linked executables
                               [default=no]])],
              [STATIC_EXEC=$enableval])

if test "X$STATIC_EXEC" = "Xyes"; then
  echo "yes"
  ## Issue a warning if -static flag is not supported.
  if test "X$lt_cv_prog_compiler_static_works" = "Xno"; then
    echo "    warning: -static flag not supported on this system; executable won't statically link shared system libraries."
    LT_STATIC_EXEC=""
  else
    LT_STATIC_EXEC="-all-static"
  fi
else
  echo "no"
  LT_STATIC_EXEC=""
fi
AM_CONDITIONAL([USE_PLUGINS_CONDITIONAL], [test "X$LT_STATIC_EXEC" = X])

AC_SUBST([LT_STATIC_EXEC])

## Fix up the INSTALL macro if it's a relative path. We want the
## full-path to the binary instead.
case "$INSTALL" in
  *install-sh*)
    INSTALL='\${top_srcdir}/bin/install-sh -c'
    ;;
esac

## ----------------------------------------------------------------------
## Some users have reported problems with libtool's use of '-Wl,-rpath' to
## link shared libraries in nondefault directories. Allow users to
## disable embedding the rpath information in the executables and to
## instead solely rely on the information in LD_LIBRARY_PATH.
AC_MSG_CHECKING([if -Wl,-rpath should be used to link shared libs in nondefault directories])
AC_ARG_ENABLE([sharedlib-rpath],
              [AS_HELP_STRING([--disable-sharedlib-rpath],
               [Disable use of the '=Wl,-rpath' linker option])],
              [RPATH=$enableval])

case "X-$RPATH" in
  X-no)
    AC_MSG_RESULT([no])
    runpath_var=
    hardcode_libdir_flag_spec=
    hardcode_libdir_flag_spec_ld=
    hardcode_into_libs=no
    ;;
  X-|X-yes)
    AC_MSG_RESULT([yes])
    ;;
  *)
    AC_MSG_RESULT([error])
    AC_MSG_ERROR([\'$enableval\' is not a valid rpath type])
    ;;
esac

## ----------------------------------------------------------------------
## Check for system libraries. "dl" stands for dynamically loaded library
##
AC_CHECK_LIB([m], [ceil])
AC_CHECK_LIB([dl], [dlopen])

## ----------------------------------------------------------------------
## Check for system header files.
##
AC_HEADER_STDC
AC_HEADER_TIME

## Unix
AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h])
AC_CHECK_HEADERS([sys/socket.h sys/types.h sys/file.h])
AC_CHECK_HEADERS([stddef.h setjmp.h features.h])
AC_CHECK_HEADERS([dirent.h])
AC_CHECK_HEADERS([stdint.h], [C9x=yes])
AC_CHECK_HEADERS([stdbool.h])
AC_CHECK_HEADERS([netdb.h netinet/in.h arpa/inet.h])

## Darwin
AC_SUBST([H5_IS_DARWIN])
H5_IS_DARWIN="no"
case $host_os in
  darwin*)
    AC_DEFINE([HAVE_DARWIN], [1], [Define if Darwin or Mac OS X])
    H5_IS_DARWIN="yes"
    ;;
esac

## Windows
case "`uname`" in
  CYGWIN*)
    AC_CHECK_HEADERS([io.h sys/timeb.h])
    UNAME_CYGWIN="yes"
    ;;
  MINGW*)
    AC_CHECK_HEADERS([io.h winsock2.h sys/timeb.h])
    AC_HAVE_LIBRARY([ws2_32])
    ;;
  *)
    AC_CHECK_HEADERS([io.h winsock2.h sys/timeb.h])
    ;;
esac

## ----------------------------------------------------------------------
## Some platforms require that all symbols are resolved when a library
## is linked. We can use the -no-undefined flag to tell libtool that
## it will be able to build shared libraries on these architectures,
## as it will not do so by default.
##
if test "X${enable_shared}" = "Xyes"; then
  AC_MSG_CHECKING([if libtool needs -no-undefined flag to build shared libraries])
  case "`uname`" in
    CYGWIN*|MINGW*|AIX*)
      ## Add in the -no-undefined flag to LDFLAGS for libtool.
      AC_MSG_RESULT([yes])
      H5_LDFLAGS="$H5_LDFLAGS -no-undefined"
      ;;
    *)
      ## Don't add in anything.
      AC_MSG_RESULT([no])
      ;;
  esac
fi

## ----------------------------------------------------------------------
## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
## that might need to be set for largefile support to behave
## correctly. This macro is defined in acsite.m4 and overrides
## the version provided by Autoconf (as of v2.65). The custom
## macro additionally adds the appropriate defines to AM_CPPFLAGS
## so that later configure checks have them visible.

## Check for _FILE_OFFSET_BITS
_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
  [ac_cv_sys_file_offset_bits],
  [Number of bits in a file offset, on hosts where this is settable.],
  [_AC_SYS_LARGEFILE_TEST_INCLUDES])

## Check for _LARGE_FILES
if test "$ac_cv_sys_file_offset_bits" = unknown; then
  _AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
    [ac_cv_sys_large_files],
    [Define for large files, on AIX-style hosts.],
    [_AC_SYS_LARGEFILE_TEST_INCLUDES])
fi

## ----------------------------------------------------------------------
## Add necessary defines for Linux Systems.
##
case "$host_cpu-$host_vendor-$host_os" in
  *linux*)
    ## Add POSIX support on Linux systems, so <features.h> defines
    ## __USE_POSIX, which is required to get the prototype for fdopen
    ## defined correctly in <stdio.h>.
    ##
    ## This flag was removed from h5cc as of 2009-10-17 when it was found
    ## that the flag broke compiling netCDF-4 code with h5cc, but kept in
    ## H5_CPPFLAGS because fdopen and HDfdopen fail without it. HDfdopen
    ## is used only by H5_debug_mask which is used only when debugging in
    ## H5_init_library (all in H5.c).  When the flag was removed this was
    ## the only compile failure noted.
    ##
    ## This was originally defined as _POSIX_SOURCE which was updated to
    ## _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX
    ## functionality so clock_gettime and CLOCK_MONOTONIC are defined
    ## correctly. This was later updated to 200112L so that
    ## posix_memalign() is visible for the direct VFD code on Linux
    ## systems. Even later, this was changed to 200809L to support
    ## pread/pwrite in VFDs.
    ##
    ## POSIX feature information can be found in the gcc manual at:
    ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
    H5_CPPFLAGS="-D_POSIX_C_SOURCE=200809L $H5_CPPFLAGS"

    ## Need to add this so that O_DIRECT is visible for the direct
    ## VFD on Linux systems.
    H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS"
    ;;

esac

## Need to add the AM_ and H5_ into CFLAGS/CPPFLAGS to make them visible
## for configure checks.
## Note: Both will be restored by the end of configure.
CPPFLAGS="$H5_CPPFLAGS $AM_CPPFLAGS $CPPFLAGS"
CFLAGS="$H5_CFLAGS $AM_CFLAGS $CFLAGS"

## Checkpoint the cache
AC_CACHE_SAVE

## Posix.1g types (C9x)
cat >>confdefs.h <<\EOF
#include <sys/types.h>
EOF

if test "X$C9x" = "Xyes"; then
  cat >>confdefs.h <<\EOF
#include <stdint.h>
EOF
fi

AC_CHECK_SIZEOF(        [int8_t])
AC_CHECK_SIZEOF(       [uint8_t])
AC_CHECK_SIZEOF(  [int_least8_t])
AC_CHECK_SIZEOF( [uint_least8_t])
AC_CHECK_SIZEOF(   [int_fast8_t])
AC_CHECK_SIZEOF(  [uint_fast8_t])

AC_CHECK_SIZEOF(       [int16_t])
AC_CHECK_SIZEOF(      [uint16_t])
AC_CHECK_SIZEOF( [int_least16_t])
AC_CHECK_SIZEOF([uint_least16_t])
AC_CHECK_SIZEOF(  [int_fast16_t])
AC_CHECK_SIZEOF( [uint_fast16_t])

AC_CHECK_SIZEOF(       [int32_t])
AC_CHECK_SIZEOF(      [uint32_t])
AC_CHECK_SIZEOF( [int_least32_t])
AC_CHECK_SIZEOF([uint_least32_t])
AC_CHECK_SIZEOF(  [int_fast32_t])
AC_CHECK_SIZEOF( [uint_fast32_t])

AC_CHECK_SIZEOF(       [int64_t])
AC_CHECK_SIZEOF(      [uint64_t])
AC_CHECK_SIZEOF( [int_least64_t])
AC_CHECK_SIZEOF([uint_least64_t])
AC_CHECK_SIZEOF(  [int_fast64_t])
AC_CHECK_SIZEOF( [uint_fast64_t])

AC_CHECK_SIZEOF([size_t])
AC_CHECK_SIZEOF([ssize_t])
AC_CHECK_SIZEOF([ptrdiff_t])

cat >>confdefs.h <<\EOF
#include <sys/types.h> /*for off_t definition*/
EOF
AC_CHECK_SIZEOF([off_t])

if test "X$C9x" = "Xyes"; then
  cat >>confdefs.h <<\EOF
#ifdef HAVE_STDBOOL_H
#include <stdbool.h> /* for bool definition */
#else
#define bool _Bool
#endif
EOF
AC_CHECK_SIZEOF([bool])
fi

AC_CHECK_SIZEOF(time_t, [], [
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
])

## Checkpoint the cache
AC_CACHE_SAVE

## ----------------------------------------------------------------------
## Check if the dev_t type is a scalar type (must come after the check for
## sys/types.h)
AC_MSG_CHECKING([if dev_t is scalar])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
  ]],
  [[dev_t d1, d2; if(d1==d2) return 0;]])],
  [AC_DEFINE([DEV_T_IS_SCALAR], [1],
            [Define if dev_t is a scalar])
  AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

## ----------------------------------------------------------------------
## Fake --with-xxx option to allow us to create a help message for the
## following --with-xxx options which can take either a =DIR or =INC,LIB
## specifier.
##
AC_ARG_WITH([fnord],
  [
 For the following --with-xxx options, you can specify where the header
 files and libraries are in two different ways:

    --with-xxx=INC,LIB - Specify individually the include directory and
                         library directory separated by a comma
    --with-xxx=DIR     - Specify only the directory which contains the
                         include/ and lib/ subdirectories
  ])

## ----------------------------------------------------------------------
## Is dmalloc (debug malloc library) requested? It has a header file
## `dmalloc.h' and a library `-ldmalloc' and their locations might be
## specified with the `--with-dmalloc' command-line switch. The value
## is an include path and/or a library path. If the library path is
## specified then it must be preceded by a comma.
##
AC_SUBST([HAVE_DMALLOC])

## Default is not present
HAVE_DMALLOC=no

AC_ARG_WITH([dmalloc],
            [AS_HELP_STRING([--with-dmalloc=DIR],
                            [Use dmalloc memory debugging aid [default=no]])],,
            [withval=no])

case "X-$withval" in
  X-yes)
    HAVE_DMALLOC="yes"
    AC_CHECK_HEADERS([dmalloc.h],, [unset HAVE_DMALLOC])
    if test "x$HAVE_DMALLOC" = "xyes"; then
      AC_CHECK_LIB([dmalloc], [dmalloc_shutdown],, [unset HAVE_DMALLOC])
    fi
    if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find dmalloc library])
    fi
    ;;
  X-|X-no|X-none)
    HAVE_DMALLOC="no"
    AC_MSG_CHECKING([for dmalloc library])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_DMALLOC="yes"
    case "$withval" in
      *,*)
        dmalloc_inc="`echo $withval |cut -f1 -d,`"
        dmalloc_lib="`echo $withval |cut -f2 -d, -s`"
        ;;
      *)
        if test -n "$withval"; then
          dmalloc_inc="$withval/include"
          dmalloc_lib="$withval/lib"
        fi
        ;;
    esac

    saved_CPPFLAGS="$CPPFLAGS"
    saved_AM_CPPFLAGS="$AM_CPPFLAGS"
    saved_LDFLAGS="$LDFLAGS"
    saved_AM_LDFLAGS="$AM_LDFLAGS"

    if test -n "$dmalloc_inc"; then
      CPPFLAGS="$CPPFLAGS -I$dmalloc_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$dmalloc_inc"
    fi

    AC_CHECK_HEADERS([dmalloc.h],,[CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"] [unset HAVE_DMALLOC])

    if test "x$HAVE_DMALLOC" = "xyes"; then
      if test -n "$dmalloc_lib"; then
        LDFLAGS="$LDFLAGS -L$dmalloc_lib"
        AM_LDFLAGS="$AM_LDFLAGS -L$dmalloc_lib"
      fi

      AC_CHECK_LIB([dmalloc], [dmalloc_shutdown],, [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_DMALLOC])
    fi

    if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find dmalloc library])
    fi
    ;;
esac

## ----------------------------------------------------------------------
## Make the external filters list available to *.in files
## At this point it's unset (no external filters by default) but it
## will be filled in during the deflate (zlib) and szip processing
## below.
##
AC_SUBST([EXTERNAL_FILTERS])

## ----------------------------------------------------------------------
## Is the GNU zlib present? It has a header file `zlib.h' and a library
## `-lz' and their locations might be specified with the `--with-zlib'
## command-line switch. The value is an include path and/or a library path.
## If the library path is specified then it must be preceded by a comma.
##
AC_SUBST([USE_FILTER_DEFLATE]) USE_FILTER_DEFLATE="no"
AC_ARG_WITH([zlib],
            [AS_HELP_STRING([--with-zlib=DIR],
                            [Use zlib library for external deflate I/O
                             filter [default=yes]])],,
            [withval=yes])

case "X-$withval" in
  X-yes)
    HAVE_ZLIB="yes"
    AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H="yes"], [unset HAVE_ZLIB])
    if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes"; then
      AC_CHECK_LIB([z], [compress2],, [unset HAVE_ZLIB])
    fi
    if test -z "$HAVE_ZLIB"; then
      if test -n "$HDF5_CONFIG_ABORT"; then
        AC_MSG_ERROR([couldn't find zlib library])
      fi
    else
      AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"])
    fi
    ;;
  X-|X-no|X-none)
    HAVE_ZLIB="no"
    AC_MSG_CHECKING([for zlib])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_ZLIB="yes"
    case "$withval" in
      *,*)
        zlib_inc="`echo $withval | cut -f1 -d,`"
        zlib_lib="`echo $withval | cut -f2 -d, -s`"
        ;;
      *)
        if test -n "$withval"; then
          zlib_inc="$withval/include"
          zlib_lib="$withval/lib"
        fi
        ;;
    esac

    saved_CPPFLAGS="$CPPFLAGS"
    saved_AM_CPPFLAGS="$AM_CPPFLAGS"
    saved_LDFLAGS="$LDFLAGS"
    saved_AM_LDFLAGS="$AM_LDFLAGS"

    if test -n "$zlib_inc"; then
      CPPFLAGS="$CPPFLAGS -I$zlib_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$zlib_inc"
    fi

    AC_CHECK_HEADERS([zlib.h],
                     [HAVE_ZLIB_H="yes"],
                     [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"] [unset HAVE_ZLIB])

    if test -n "$zlib_lib"; then
      LDFLAGS="$LDFLAGS -L$zlib_lib"
      AM_LDFLAGS="$AM_LDFLAGS -L$zlib_lib"
    fi

    if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes"; then
      AC_CHECK_LIB([z], [compress2],,
                   [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_ZLIB])
    fi

    if test -z "$HAVE_ZLIB"; then
      if test -n "$HDF5_CONFIG_ABORT"; then
        AC_MSG_ERROR([couldn't find zlib library])
      fi
    else
      AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"])
    fi
    ;;
esac

if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes" -a "x$HAVE_COMPRESS2" = "xyes"; then
  AC_DEFINE([HAVE_FILTER_DEFLATE], [1], [Define if support for deflate (zlib) filter is enabled])
  USE_FILTER_DEFLATE="yes"

  ## Add "deflate" to external filter list
  if test "X$EXTERNAL_FILTERS" != "X"; then
    EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
  fi
    EXTERNAL_FILTERS="${EXTERNAL_FILTERS}deflate(zlib)"
fi


## ----------------------------------------------------------------------
## Is the szlib present? It has a header file `szlib.h' and a library
## `-lsz' and their locations might be specified with the `--with-szlib'
## command-line switch. The value is an include path and/or a library path.
## If the library path is specified then it must be preceded by a comma.
##
AC_SUBST([USE_FILTER_SZIP]) USE_FILTER_SZIP="no"
AC_ARG_WITH([szlib],
            [AS_HELP_STRING([--with-szlib=DIR],
                            [Use szlib library for external szlib I/O
                             filter [default=no]])],,
            [withval=no])

case "X-$withval" in
  X-yes)
    HAVE_SZLIB="yes"
    AC_CHECK_HEADERS([szlib.h], [HAVE_SZLIB_H="yes"], [unset HAVE_SZLIB])
    if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then
      AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, [unset HAVE_SZLIB])
    fi
    if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find szlib library])
    fi
    ;;
  X-|X-no|X-none)
    HAVE_SZLIB="no"
    AC_MSG_CHECKING([for szlib])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_SZLIB="yes"
    case "$withval" in
      *,*)
        szlib_inc="`echo $withval |cut -f1 -d,`"
        szlib_lib="`echo $withval |cut -f2 -d, -s`"
        ;;
      *)
        if test -n "$withval"; then
          szlib_inc="$withval/include"
          szlib_lib="$withval/lib"
        fi
        ;;
    esac

    saved_CPPFLAGS="$CPPFLAGS"
    saved_AM_CPPFLAGS="$AM_CPPFLAGS"
    saved_LDFLAGS="$LDFLAGS"
    saved_AM_LDFLAGS="$AM_LDFLAGS"

    if test -n "$szlib_inc"; then
      CPPFLAGS="$CPPFLAGS -I$szlib_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$szlib_inc"
    fi

    if test -n "$szlib_lib"; then
      LDFLAGS="$LDFLAGS -L$szlib_lib"
      AM_LDFLAGS="$AM_LDFLAGS -L$szlib_lib"
    fi

    if test "x$HAVE_SZLIB" = "xyes"; then
      AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],,
                   [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_SZLIB])
      if test -n "$HAVE_SZLIB"; then
        AC_CHECK_HEADERS([szlib.h],
                         [HAVE_SZLIB_H="yes"],
                         [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"] [unset HAVE_SZLIB])
      else
        AC_MSG_RESULT([Using SZ_BufftoBuffCompress from libsz in $szlib_lib failed.  Szip not enabled.])
      fi
    fi

    if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find szlib library])
    fi
    ;;
esac

if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then
  ## SZLIB library is available.  Check if it can encode
  AC_MSG_CHECKING([for szlib encoder])

  ## Set LD_LIBRARY_PATH so encoder test can find the library and run.
  ## Also add LL_PATH substitution to Makefiles so they can use the
  ## path as well, for testing examples.
  if test -z "$LD_LIBRARY_PATH"; then
    export LD_LIBRARY_PATH="$szlib_lib"
  else
    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$szlib_lib"
  fi

  AC_SUBST([LL_PATH]) LL_PATH="$LD_LIBRARY_PATH"

  AC_CACHE_VAL([hdf5_cv_szlib_can_encode],
        [AC_RUN_IFELSE(
            [AC_LANG_PROGRAM([
                #include "szlib.h"
            ],[[
                /* SZ_encoder_enabled returns 1 if encoder is present */
                if(SZ_encoder_enabled() == 1)
                    exit(0);
                else
                    exit(1);
            ]])]
        , [hdf5_cv_szlib_can_encode=yes], [hdf5_cv_szlib_can_encode=no],)]
   )

  AC_DEFINE([HAVE_FILTER_SZIP], [1],
            [Define if support for szip filter is enabled])
  USE_FILTER_SZIP="yes"

  if test ${hdf5_cv_szlib_can_encode} = "yes"; then
    AC_MSG_RESULT([yes])
  fi
  if test ${hdf5_cv_szlib_can_encode} = "no"; then
    AC_MSG_RESULT([no])
  fi

  ## Add "szip" to external filter list
  if test ${hdf5_cv_szlib_can_encode} = "yes"; then
    if test "X$EXTERNAL_FILTERS" != "X"; then
      EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
    fi
      EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(encoder)"
  fi
  if test ${hdf5_cv_szlib_can_encode} = "no"; then
    if test "X$EXTERNAL_FILTERS" != "X"; then
      EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
    fi
      EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(no encoder)"
  fi
fi

AM_CONDITIONAL([BUILD_SHARED_SZIP_CONDITIONAL], [test "X$USE_FILTER_SZIP" = "Xyes" && test "X$LL_PATH" != "X"])

## Checkpoint the cache
AC_CACHE_SAVE

## ----------------------------------------------------------------------
## Enable thread-safe version of library.  It requires Pthreads support
## on POSIX systems.
##
AC_SUBST([THREADSAFE])

## Default is no thread-safety
THREADSAFE=no

AC_MSG_CHECKING([for thread safe support])
AC_ARG_ENABLE([threadsafe],
              [AS_HELP_STRING([--enable-threadsafe],
                              [Enable thread-safe capability. Not compatible with the high-level library, Fortran, or C++ wrappers.
                              [default=no]])],
              [THREADSAFE=$enableval])

## The high-level, C++, Fortran and Java interfaces are not compatible
## with the thread-safety option because the lock is not hoisted
## into the higher-level API calls.

## --enable-threadsafe is incompatible with --enable-hl unless
## --enable-unsupported has been specified on the configure line.
##
## Note that the high-level library is enabled by default so most
## users will have to add --disable-hl to the configure options.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF5_HL}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([The thread-safe library is incompatible with the high-level library. --disable-hl can be used to prevent building the high-level library (recommended). Alternatively, --enable-unsupported will allow building the high-level library, though this configuration is not supported by The HDF Group.])
  fi
fi

## The --enable-threadsafe flag is not compatible with --enable-cxx.
## If the user tried to specify both flags, throw an error, unless
## they also provided the --enable-unsupported flag.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_CXX}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([--enable-cxx and --enable-threadsafe flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

## --enable-threadsafe is also incompatible with --enable-fortran unless
## --enable-unsupported has been specified on the configure line.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_FORTRAN}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([--enable-fortran and --enable-threadsafe flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

## --enable-threadsafe is also incompatible with --enable-java unless
## --enable-unsupported has been specified on the configure line.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_JAVA}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([--enable-java and --enable-threadsafe flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi


case "X-$THREADSAFE" in
  X-|X-no)
    AC_MSG_RESULT([no])
    ;;
  X-yes)
    THREADSAFE=yes
    AC_MSG_RESULT([yes])
    ;;
  *)
    AC_MSG_RESULT([error])
    AC_MSG_ERROR([\'$enableval\' is not a valid threadsafe type])
    ;;
esac

if test "X$THREADSAFE" = "Xyes"; then
    AC_DEFINE([HAVE_THREADSAFE], [1], [Define if we have thread safe support])

    ## ----------------------------------------------------------------------
    ## Is the Pthreads library present?  It has a header file `pthread.h' and
    ## a library `-lpthread' and their locations might be specified with the
    ## `--with-pthread' command-line switch.  The value is an include path
    ## and/or a library path.  If the library path is specified then it must
    ## be preceded by a comma.
    ##
    ## Thread-safety in HDF5 only uses Pthreads via configure, so the
    ## default is "check", though this only has an effect when
    ## --enable-threadsafe is specified.
    AC_SUBST([HAVE_PTHREAD]) HAVE_PTHREAD=yes
    AC_ARG_WITH([pthread],
                [AS_HELP_STRING([--with-pthread=DIR],
                                [Specify alternative path to Pthreads library when
                                thread-safe capability is built.])],,
                [withval=check])

    case "$withval" in
      check | yes)
        AC_CHECK_HEADERS([pthread.h],, [unset HAVE_PTHREAD])
        if test "x$HAVE_PTHREAD" = "xyes"; then
          AC_CHECK_LIB([pthread], [pthread_self],, [unset HAVE_PTHREAD])
        fi
        ;;
      no)
        AC_MSG_ERROR([Must use Pthreads with thread safety])
        ;;
      *)
        case "$withval" in
          *,*)
            pthread_inc="`echo $withval | cut -f1 -d,`"
            pthread_lib="`echo $withval | cut -f2 -d, -s`"
            ;;
          *)
            if test -n "$withval"; then
              pthread_inc="$withval/include"
              pthread_lib="$withval/lib"
            fi
            ;;
        esac

        if test -n "$pthread_inc"; then
          saved_CPPFLAGS="$CPPFLAGS"
          saved_AM_CPPFLAGS="$AM_CPPFLAGS"
          CPPFLAGS="$CPPFLAGS -I$pthread_inc"
          AM_CPPFLAGS="$AM_CPPFLAGS -I$pthread_inc"
          AC_CHECK_HEADERS([pthread.h],, [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; unset HAVE_PTHREAD])
        else
          AC_CHECK_HEADERS([pthread.h],, [unset HAVE_PTHREAD])
        fi

        if test "x$HAVE_PTHREAD" = "xyes"; then
          if test -n "$pthread_lib"; then
            saved_LDFLAGS="$LDFLAGS"
            saved_AM_LDFLAGS="$AM_LDFLAGS"
            LDFLAGS="$LDFLAGS -L$pthread_lib"
            AM_LDFLAGS="$AM_LDFLAGS -L$pthread_lib"
            AC_CHECK_LIB([pthread], [pthread_self],,
                         [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_PTHREAD])
          else
            AC_CHECK_LIB([pthread], [pthread_self],, [unset HAVE_PTHREAD])
          fi
        fi
        ;;
    esac

    ## ----------------------------------------------------------------------
    ## Check if pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM)
    ## is supported on this system
    ##
    ## Unfortunately, this probably needs to be an AC_RUN_IFELSE since
    ## it's impossible to determine if PTHREAD_SCOPE_SYSTEM is
    ## supported a priori. POSIX.1-2001 requires that a conformant
    ## system need only support one of SYSTEM or PROCESS scopes.
    ##
    ## For cross-compiling, we've added a pessimistic 'no'. You can
    ## hand-hack the config file if you know otherwise.
    AC_MSG_CHECKING([Pthreads supports system scope])
    AC_CACHE_VAL([hdf5_cv_system_scope_threads],
      [AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([
            #if STDC_HEADERS
            #include <stdlib.h>
            #include <pthread.h>
            #endif
        ],[
              pthread_attr_t attribute;
              int ret;

              pthread_attr_init(&attribute);
              ret=pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM);
              exit(ret==0 ? 0 : 1);
        ])]
      , [hdf5_cv_system_scope_threads=yes], [hdf5_cv_system_scope_threads=no], [hdf5_cv_system_scope_threads=no])])

    if test ${hdf5_cv_system_scope_threads} = "yes"; then
      AC_DEFINE([SYSTEM_SCOPE_THREADS], [1],
                [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.])
      AC_MSG_RESULT([yes])
    else
      AC_MSG_RESULT([no])
      AC_MSG_NOTICE([Always 'no' if cross-compiling. Edit the config file if your platform supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM).])
    fi
fi

## ----------------------------------------------------------------------
## Check for MONOTONIC_TIMER support (used in clock_gettime).  This has
## to be done after any POSIX defines to ensure that the test gets
## the correct POSIX level on linux.
AC_CHECK_DECL([CLOCK_MONOTONIC],[have_clock_monotonic="yes"],[have_clock_monotonic="no"],[[#include <time.h>]])

## ----------------------------------------------------------------------
## How does one figure out the local time zone?  Anyone know of a
## Posix way to do this?
##

## First check if `struct tm' has a `tm_gmtoff' member.
AC_MSG_CHECKING([for tm_gmtoff in struct tm])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  #include <sys/time.h>
  #include <time.h>
]], [[struct tm tm; tm.tm_gmtoff=0;]])],
  [AC_DEFINE([HAVE_TM_GMTOFF], [1],
          [Define if tm_gmtoff is a member of struct tm])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

## Check whether the global variable `timezone' is defined.
AC_MSG_CHECKING([for global timezone variable])

case "`uname`" in
  CYGWIN*)
    AC_MSG_RESULT([disabled in CYGWIN])
    ;;
  *)
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
    #include <sys/time.h>
    #include <time.h>]], [[timezone=0;]])],
    [AC_DEFINE([HAVE_TIMEZONE], [1],
              [Define if timezone is a global variable])
      AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])])
    ;;
esac


## ----------------------------------------------------------------------
## Does the struct stat have the st_blocks field?  This field is not Posix.
##
AC_MSG_CHECKING([for st_blocks in struct stat])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM[[
  #include <sys/stat.h>]],[[struct stat sb; sb.st_blocks=0;]])],
  [AC_DEFINE([HAVE_STAT_ST_BLOCKS], [1],
          [Define if struct stat has the st_blocks field])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

## ----------------------------------------------------------------------
## How do we figure out the width of a tty in characters?
##
AC_CHECK_FUNCS([_getvideoconfig gettextinfo])
case "`uname`" in
  CYGWIN*)
    ;;
  *)
    AC_CHECK_FUNCS([GetConsoleScreenBufferInfo getpwuid])
    ;;
esac
AC_CHECK_FUNCS([_scrsize ioctl])

AC_MSG_CHECKING([for struct videoconfig])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[struct videoconfig w; w.numtextcols=0;]])],
  [AC_DEFINE([HAVE_STRUCT_VIDEOCONFIG], [1],
          [Define if struct videoconfig is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for struct text_info])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[struct text_info w; w.screenwidth=0;]])],
  [AC_DEFINE([HAVE_STRUCT_TEXT_INFO], [1],
          [Define if struct text_info is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for TIOCGWINSZ])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/ioctl.h>
]],[[int w=TIOCGWINSZ;]])],
  [AC_DEFINE([HAVE_TIOCGWINSZ], [1],
          [Define if the ioctl TIOGWINSZ is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for TIOCGETD])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/ioctl.h>
]],[[int w=TIOCGETD;]])],
  [AC_DEFINE([HAVE_TIOCGETD], [1],
          [Define if the ioctl TIOCGETD is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])


## ----------------------------------------------------------------------
## Check for functions.
##
## NOTE: clock_gettime may require linking to the rt or posix4 library
##       so we'll search for it before calling AC_CHECK_FUNCS.
AC_SEARCH_LIBS([clock_gettime], [rt posix4])
AC_CHECK_FUNCS([alarm clock_gettime difftime fcntl flock fork frexpf])
AC_CHECK_FUNCS([frexpl gethostname getrusage gettimeofday])
AC_CHECK_FUNCS([lstat rand_r random setsysinfo])
AC_CHECK_FUNCS([signal longjmp setjmp siglongjmp sigsetjmp sigprocmask])
AC_CHECK_FUNCS([snprintf srandom strdup symlink system])
AC_CHECK_FUNCS([strtoll strtoull])
AC_CHECK_FUNCS([tmpfile asprintf vasprintf vsnprintf waitpid])
AC_CHECK_FUNCS([roundf lroundf llroundf round lround llround])

## ----------------------------------------------------------------------
## Check compiler characteristics
##
AC_C_CONST

AC_MSG_CHECKING([if the compiler understands  __inline__])
AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([[static __inline__ void f(void){return;};]])],
    [AC_DEFINE([HAVE___INLINE__], [1], [Define if the compiler understands __inline__]) AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([if the compiler understands __inline])
AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([[static __inline void f(void){return;};]])],
    [AC_DEFINE([HAVE___INLINE], [1], [Define if the compiler understands __inline]) AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([if the compiler understands inline])
AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([[static inline void f(void){return;};]])],
    [AC_DEFINE([HAVE_INLINE], [1], [Define if the compiler understands inline]) AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([for __attribute__ extension])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[int __attribute__((unused)) x]])],
               [AC_DEFINE([HAVE_ATTRIBUTE], [1],
                         [Define if the __attribute__(()) extension is present])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for __func__ extension])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[ const char *fname = __func__; ]])],
               [AC_DEFINE([HAVE_C99_FUNC], [1],
                         [Define if the compiler understands the __func__ keyword])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for __FUNCTION__ extension])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],,[[ const char *fname = __FUNCTION__; ]])],
               [AC_DEFINE([HAVE_FUNCTION], [1],
                         [Define if the compiler understands the __FUNCTION__ keyword])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for C99 designated initialization support])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
                typedef struct {
                    int x;
                    union {
                        int i;
                        double d;
                    } u;
                } di_struct_t;
                di_struct_t x = {0, { .d = 0.0}}; ]])],
               [AC_DEFINE([HAVE_C99_DESIGNATED_INITIALIZER], [1],
                         [Define if the compiler understands C99 designated initialization of structs and unions])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])

## ----------------------------------------------------------------------
## Try to figure out how to print `long long'.  Some machines use `%lld'
## and others use `%qd'.  There may be more!  The final `l' is a
## default in case none of the others work.
##
AC_MSG_CHECKING([how to print long long])
AC_CACHE_VAL([hdf5_cv_printf_ll], [

for hdf5_cv_printf_ll in ll l L q unknown; do
   AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([
            #include <stdio.h>
            #include <stdlib.h>
            #include <string.h>
        ],[[
            char *s = malloc(128);
            long long x = (long long)1048576 * (long long)1048576;
            sprintf(s,"%${hdf5_cv_printf_ll}d",x);
            exit(strcmp(s,"1099511627776"));
        ]])]
   , [break],,[continue])
done])

AC_MSG_RESULT([%${hdf5_cv_printf_ll}d and %${hdf5_cv_printf_ll}u])
AC_DEFINE_UNQUOTED([PRINTF_LL_WIDTH], ["$hdf5_cv_printf_ll"],
                   [Width for printf() for type `long long' or `__int64', use `ll'])

## ----------------------------------------------------------------------
## Remove old ways of determining debug/production build.
## These were used in 1.8.x and earlier. We should probably keep these checks
## around to help people migrate to 1.10.x and newer versions.
##
AC_ARG_ENABLE([debug],
              [AS_HELP_STRING([--enable-debug], [OPTION CHANGE: use --enable-build-mode=debug])],
              [AC_MSG_ERROR([--enable-debug is no longer supported, use --enable-build-mode=debug instead.])])

AC_ARG_ENABLE([production],
              [AS_HELP_STRING([--enable-production], [OPTION CHANGE: use --enable-build-mode=production])],
              [AC_MSG_ERROR([--enable-production is no longer supported, use --enable-build-mode=production instead.])])


## ----------------------------------------------------------------------
## Check if the compiler should include symbols
##
AC_MSG_CHECKING([enable debugging symbols])
AC_ARG_ENABLE([symbols],
              [AS_HELP_STRING([--enable-symbols=(yes|no|<custom>)],
                              [Add debug symbols to the library (e.g.: build with -g).
                               This is independent of the build mode and optimization
                               level. The custom string allows special settings like
                               -ggdb, etc. to be used.
                               [default=yes if debug build, otherwise no]
                               ])],
              [SYMBOLS=$enableval])

## Set default
if test "X-$SYMBOLS" = X- ; then
  if test "X-$BUILD_MODE" = "X-debug" ; then
    SYMBOLS=yes
  else
    SYMBOLS=no
  fi
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([SYMBOLS])

case "X-$SYMBOLS" in
  X-yes)
    H5_CFLAGS="$H5_CFLAGS $SYMBOLS_CFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $SYMBOLS_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $SYMBOLS_FCFLAGS"
    AC_MSG_RESULT([yes])
    ;;
  X-no)
    H5_CFLAGS="$H5_CFLAGS $NO_SYMBOLS_CFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $NO_SYMBOLS_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $NO_SYMBOLS_FCFLAGS"
    AC_MSG_RESULT([no])
    ;;
  *)
    H5_CFLAGS="$H5_CFLAGS $SYMBOLS"
    H5_CXXFLAGS="$H5_CXXFLAGS $SYMBOLS"
    H5_FCFLAGS="$H5_FCFLAGS $SYMBOLS"
    SYMBOLS="custom ($SYMBOLS)"
    AC_MSG_RESULT([$SYMBOLS])
    ;;
esac

## ----------------------------------------------------------------------
## Check if the assert macro should be enabled
##
AC_MSG_CHECKING([enable asserts])
AC_ARG_ENABLE([asserts],
              [AS_HELP_STRING([--enable-asserts],
                              [Determines whether NDEBUG is defined or not, which
                               controls assertions.
                               This is independent of the build mode and presence
                               of debugging symbols.
                               [default=yes if debug build, otherwise no]
                               ])],
              [ASSERTS=$enableval])

## Set default
if test "X-$ASSERTS" = X- ; then
  if test "X-$BUILD_MODE" = "X-debug" ; then
    ASSERTS=yes
  else
    ASSERTS=no
  fi
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([ASSERTS])

case "X-$ASSERTS" in
  X-yes)
    H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG"
    AC_MSG_RESULT([yes])
    ;;
  X-no)
    H5_CPPFLAGS="$H5_CPPFLAGS -DNDEBUG"
    AC_MSG_RESULT([no])
    ;;
  *)
    AC_MSG_ERROR([Unrecognized value: $ASSERTS])
    ;;
esac

## ----------------------------------------------------------------------
## Check if developer warnings should be turned on
## These are warnings that provide suggestions like gcc's -Wsuggest-attribute.
## They do not indicate code problems.
##
## Note that developers don't need to build with these regularly. They
## are just handy to check once in a while (before releases, etc.).
##
AC_MSG_CHECKING([enable developer warnings])
AC_ARG_ENABLE([developer-warnings],
              [AS_HELP_STRING([--enable-developer-warnings],
                              [Determines whether developer warnings will be
                               emitted. These are usually performance suggestions
                               (e.g. -Wsuggest-attribute) and do not flag poor code
                               quality.
                               [default=no]
                               ])],
              [DEV_WARNINGS=$enableval])

## Set default
if test "X-$DEV_WARNINGS" = X- ; then
  DEV_WARNINGS=no
fi

case "X-$DEV_WARNINGS" in
  X-yes)
    H5_CFLAGS="$H5_CFLAGS $DEVELOPER_WARNING_CFLAGS"
    AC_MSG_RESULT([yes])
    ;;
  X-no)
    H5_CFLAGS="$H5_CFLAGS $NO_DEVELOPER_WARNING_CFLAGS"
    AC_MSG_RESULT([no])
    ;;
  *)
    AC_MSG_ERROR([Unrecognized value: $DEV_WARNINGS])
    ;;
esac

## ----------------------------------------------------------------------
## Check if we should consider certain compiler warnings as errors
##
## These should NOT be on by default as the risk of breakage is high
## when compiling HDF5 on new (or new versions) of platforms and
## compilers. It can also cause failures when header files we have no
## control over (e.g. MPI, HDFS) raise warnings.
##
AC_MSG_CHECKING([enable warnings as errors])
AC_ARG_ENABLE([warnings-as-errors],
              [AS_HELP_STRING([--enable-warnings-as-errors],
                              [Determines whether certain warnings will be
                               considered errors. This is mainly for use
                               by HDF5 library developers.
                               [default=no]
                               ])],
              [WARNINGS_AS_ERRORS=$enableval])

## Set default
if test "X-$WARNINGS_AS_ERRORS" = X- ; then
  WARNINGS_AS_ERRORS=no
fi

case "X-$WARNINGS_AS_ERRORS" in
  X-yes)
    H5_CFLAGS="$H5_CFLAGS $H5_ECFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $H5_ECXXFLAGS"
    AC_MSG_RESULT([yes])
    ;;
  X-no)
    AC_MSG_RESULT([no])
    ;;
  *)
    AC_MSG_ERROR([Unrecognized value: $WARNINGS_AS_ERRORS])
    ;;
esac

## ----------------------------------------------------------------------
## Check if the compiler should use profiling flags/settings
##
AC_MSG_CHECKING([profiling])
AC_ARG_ENABLE([profiling],
              [AS_HELP_STRING([--enable-profiling=(yes|no|<custom>)],
                              [Enable profiling flags (e.g.: -pg).
                               This can be set independently from the build mode.
                               The custom setting can be used to pass alternative
                               profiling flags (e.g.: -P for using Prof with gcc).
                               [default=no]
                               ])],
              [PROFILING=$enableval])

## Default is no profiling
if test "X-$PROFILING" = X- ; then
    PROFILING=no
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([PROFILING])

case "X-$PROFILING" in
  X-yes)
    H5_CFLAGS="$H5_CFLAGS $PROFILE_CFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $PROFILE_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $PROFILE_FCFLAGS"
    AC_MSG_RESULT([yes])
    ;;
  X-no)
    AC_MSG_RESULT([no])
    ;;
  *)
    H5_CFLAGS="$H5_CFLAGS $PROFILING"
    H5_CXXFLAGS="$H5_CXXFLAGS $PROFILING"
    H5_FCFLAGS="$H5_FCFLAGS $PROFILING"
    PROFILING="custom ($PROFILING)"
    AC_MSG_RESULT([$PROFILING])
    ;;
esac

## ----------------------------------------------------------------------
## Check if the compiler should use a particular optimization setting
##
AC_MSG_CHECKING([optimization level])
AC_ARG_ENABLE([optimization],
              [AS_HELP_STRING([--enable-optimization=(high|debug|none|<custom>)],
                              [Enable optimization flags/settings (e.g.: -O3).
                               This can be set independently from the build mode.
                               Optimizations for a given compiler can be specified
                               at several levels: High, with aggressive optimizations
                               turned on; debug, with optimizations that are
                               unlikely to interfere with debugging or profiling;
                               and none, with no optimizations at all.
                               See the compiler-specific config/*-flags file for more
                               details.
                               Alternatively, optimization options can
                               be specified directly by specifying them as a
                               string value. These custom optimzation flags will
                               completely replace all other optimization flags.
                               [default depends on build mode: debug=debug,
                                production=high, clean=none]
                               ])],
              [OPTIMIZATION=$enableval])

## Set the default optimization level. This depends on the compiler mode.
if test "X-$OPTIMIZATION" = X- ; then
  case "X-$BUILD_MODE" in
  X-debug)
    OPTIMIZATION=debug
    ;;
  X-production)
    OPTIMIZATION=high
    ;;
  X-clean)
    OPTIMIZATION=none
    ;;
  esac
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([OPTIMIZATION])

case "X-$OPTIMIZATION" in
  X-high)
    H5_CFLAGS="$H5_CFLAGS $HIGH_OPT_CFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $HIGH_OPT_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $HIGH_OPT_FCFLAGS"
    AC_MSG_RESULT([high])
    ;;
  X-debug)
    H5_CFLAGS="$H5_CFLAGS $DEBUG_OPT_CFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $DEBUG_OPT_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $DEBUG_OPT_FCFLAGS"
    AC_MSG_RESULT([debug])
    ;;
  X-none)
    H5_CFLAGS="$H5_CFLAGS $NO_OPT_CFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $NO_OPT_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $NO_OPT_FCFLAGS"
    AC_MSG_RESULT([none])
    ;;
  *)
    H5_CFLAGS="$H5_CFLAGS $OPTIMIZATION"
    H5_CXXFLAGS="$H5_CXXFLAGS $OPTIMIZATION"
    H5_FCFLAGS="$H5_FCFLAGS $OPTIMIZATION"
    OPTIMIZATION="custom ($OPTIMIZATION)"
    AC_MSG_RESULT([$OPTIMIZATION])
    ;;
esac

## ----------------------------------------------------------------------
## Check if file locking should be used
##
AC_MSG_CHECKING([enable file locking])
AC_ARG_ENABLE([file-locking],
              [AS_HELP_STRING([--enable-file-locking=(yes|no|best-effort)],
                              [Sets the default for whether or not to use file
                               locking when opening files. Can be overridden
                               with the HDF5_USE_FILE_LOCKING environment variable
                               and the H5Pset_file_locking() API call.
                               best-effort attempts to use file locking but does
                               not fail when file locks have been disabled on
                               the file system (useful with Lustre).
                               [default=best-effort]
                               ])],
              [DESIRED_FILE_LOCKING=$enableval])

## Set defaults
if test "X-$DESIRED_FILE_LOCKING" = X- ; then
  DESIRED_FILE_LOCKING=best-effort
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([DESIRED_FILE_LOCKING])
AC_SUBST([USE_FILE_LOCKING])
AC_SUBST([IGNORE_DISABLED_FILE_LOCKS])

case "X-$DESIRED_FILE_LOCKING" in
  X-best-effort)
      AC_MSG_RESULT([best-effort])
      AC_DEFINE([USE_FILE_LOCKING], [1],
                [Define if the library will use file locking])
      AC_DEFINE([IGNORE_DISABLED_FILE_LOCKS], [1],
                [Define if the library will ignore file locks when disabled])
    ;;
  X-yes)
      AC_MSG_RESULT([yes])
      AC_DEFINE([USE_FILE_LOCKING], [1],
                [Define if the library will use file locking])
    ;;
  X-no)
      AC_MSG_RESULT([no])
    ;;
  *)
      AC_MSG_ERROR([Unrecognized value: $USE_FILE_LOCKING])
    ;;
esac


## ----------------------------------------------------------------------
## Enable/disable internal package-level debugging output
##
AC_MSG_CHECKING([for internal debug output])
AC_ARG_ENABLE([internal-debug],
              [AS_HELP_STRING([--enable-internal-debug=(yes|all|no|none|<pkg list>)],
                              [Enable extra debugging output on HDF5 library
                               errors. One may also specify a comma-separated
                               list of package names without the leading H5.
                               This is independent of the build mode
                               and is mainly of interest to HDF Group developers.
                               Yes/all and no/none are synonymous.
                               [default=all if debug build, otherwise none]
                               ])],
              [INTERNAL_DEBUG_OUTPUT=$enableval])

## Set default
if test "X-$INTERNAL_DEBUG_OUTPUT" = X- ; then
  if test "X-$BUILD_MODE" = "X-debug" ; then
    INTERNAL_DEBUG_OUTPUT=all
  else
    INTERNAL_DEBUG_OUTPUT=none
  fi
fi

AC_SUBST([INTERNAL_DEBUG_OUTPUT])

## These are all the packages that use H5*_DEBUG.
## There is no harm in specifying a package not in this list;
## you'll just get an unused H5<pkg>_DEBUG symbol.
##
## Some packages that define debug checks or output are
## too specialized or have huge performance hits. These
## are not listed in the "all" packages list.
##
## all_packages="AC,B,B2,D,F,FA,FL,FS,HL,I,O,S,ST,T,Z"
all_packages="AC,B2,CX,D,F,HL,I,O,S,ST,T,Z"

case "X-$INTERNAL_DEBUG_OUTPUT" in
  X-yes|X-all)
    INTERNAL_DEBUG_OUTPUT=$all_packages
    DEBUG_PKG_LIST=$all_packages
    ;;
  X-no|X-none)
    INTERNAL_DEBUG_OUTPUT=none
    DEBUG_PKG_LIST=
    ;;
  *)
    DEBUG_PKG_LIST=$INTERNAL_DEBUG_OUTPUT
    ;;
esac
AC_MSG_RESULT([$INTERNAL_DEBUG_OUTPUT])

## Define H5*_DEBUG symbols that control package output
## NOTE: No sanity checking done here!
if test -n "$DEBUG_PKG_LIST"; then
  for pkg in `echo $DEBUG_PKG_LIST | ${TR} ${as_cr_letters}"," ${as_cr_LETTERS}" "`; do
    H5_CPPFLAGS="$H5_CPPFLAGS -DH5${pkg}_DEBUG"
  done
fi

## ----------------------------------------------------------------------
## Check if they would like the function stack support compiled in
##
AC_MSG_CHECKING([whether function stack tracking is enabled])
AC_ARG_ENABLE([codestack],
              [AS_HELP_STRING([--enable-codestack],
                              [Enable the function stack tracing (for developer debugging).
                               [default=no]
                              ])],
              [CODESTACK=$enableval])

## Set the default level.
if test "X-$CODESTACK" = X- ; then
  CODESTACK=no
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([CODESTACK])

case "X-$CODESTACK" in
  X-yes)
      AC_MSG_RESULT([yes])
      AC_DEFINE([HAVE_CODESTACK], [1],
                [Define if the function stack tracing code is to be compiled in])
    ;;
  X-no)
      AC_MSG_RESULT([no])
    ;;
  *)
      AC_MSG_ERROR([Unrecognized value: $CODESTACK])
    ;;
esac

## ----------------------------------------------------------------------
## Enable tracing of the API
##
AC_MSG_CHECKING([for API tracing]);
AC_ARG_ENABLE([trace],
              [AS_HELP_STRING([--enable-trace],
                              [Enable HDF5 API tracing capability.
                               [default=yes if debug build, otherwise no]
                               ])],
              [TRACE_API=$enableval])

## Set the default level.
if test "X-$TRACE_API" = X- ; then
  if test "X-$BUILD_MODE" = "X-debug" ; then
    TRACE_API=yes
  else
    TRACE_API=no
  fi
fi

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([TRACE_API])

case "X-$TRACE_API" in
  X-yes)
    AC_MSG_RESULT([yes])
    H5_CPPFLAGS="$H5_CPPFLAGS -DH5_DEBUG_API"
    ;;
  X-no)
    AC_MSG_RESULT([no])
    H5_CPPFLAGS="$H5_CPPFLAGS -UH5_DEBUG_API"
    ;;
  *)
    AC_MSG_ERROR([Unrecognized value: $TRACE_API])
    ;;
esac

## ----------------------------------------------------------------------
## Check if they would like to use a memory checking tool (like valgrind's
##     'memcheck' tool, or Rational Purify, etc) and the library should be
##     more scrupulous with it's memory operations.  Enabling this also
##     disables the library's free space manager code.
##
AC_MSG_CHECKING([whether a memory checking tool will be used])
AC_ARG_ENABLE([using-memchecker],
              [AS_HELP_STRING([--enable-using-memchecker],
                              [Enable this option if a memory allocation and/or
                              bounds checking tool will be used on the HDF5
                              library.  Enabling this causes the library to be
                              more picky about its memory operations and also
                              disables the library's free space manager code.
                              This option is orthogonal to the
                              --enable-memory-alloc-sanity-check option.
                              [default=no]
                              ])],
              [USINGMEMCHECKER=$enableval])

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([USINGMEMCHECKER])

## Set the default level.
if test "X-$USINGMEMCHECKER" = X- ; then
  USINGMEMCHECKER=no
fi

case "X-$USINGMEMCHECKER" in
  X-yes)
      AC_DEFINE([USING_MEMCHECKER], [1],
                [Define if a memory checking tool will be used on the library,
                to cause library to be very picky about memory operations and
                also disable the internal free list manager code.])
      AC_MSG_RESULT([yes])
    ;;
  X-no)
      AC_MSG_RESULT([no])
    ;;
  *)
      AC_MSG_ERROR([Unrecognized value: $USINGMEMCHECKER])
    ;;
esac

## ----------------------------------------------------------------------
## Check if they would like to enable the internal memory allocation sanity
##     checking code.
##
AC_MSG_CHECKING([whether internal memory allocation sanity checking is used])
AC_ARG_ENABLE([memory-alloc-sanity-check],
              [AS_HELP_STRING([--enable-memory-alloc-sanity-check],
                              [Enable this option to turn on internal memory
                              allocation sanity checking.  This could cause
                              more memory use and somewhat slower allocation.
                              This option is orthogonal to the
                              --enable-using-memchecker option.
                               [default=yes if debug build, otherwise no]
                              ])],
              [MEMORYALLOCSANITYCHECK=$enableval])

## Allow this variable to be substituted in
## other files (src/libhdf5.settings.in, etc.)
AC_SUBST([MEMORYALLOCSANITYCHECK])

## Set default
if test "X-$MEMORYALLOCSANITYCHECK" = X- ; then
  if test "X-$BUILD_MODE" = "X-debug" ; then
    MEMORYALLOCSANITYCHECK=yes
  else
    MEMORYALLOCSANITYCHECK=no
  fi
fi

case "X-$MEMORYALLOCSANITYCHECK" in
  X-yes)
      AC_DEFINE([MEMORY_ALLOC_SANITY_CHECK], [1],
                [Define to enable internal memory allocation sanity checking.])
      AC_MSG_RESULT([yes])
    ;;
  X-no)
      AC_MSG_RESULT([no])
    ;;
  *)
      AC_MSG_ERROR([Unrecognized value: $MEMORYALLOCSANITYCHECK])
    ;;
esac

## Checkpoint the cache
AC_CACHE_SAVE

## What header files and libraries do we have to look for for parallel
## support?  For the most part, search paths are already specified with
## CPPFLAGS and LDFLAGS or are known to the compiler.
##
AC_ARG_ENABLE([parallel],
              [AS_HELP_STRING([--enable-parallel],
                              [Search for MPI-IO and MPI support files])])

## The --enable-parallel flag is not compatible with --enable-cxx.
## If the user tried to specify both flags, throw an error, unless
## they also provided the --enable-unsupported flag.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_CXX}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then
    AC_MSG_ERROR([--enable-cxx and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

## The --enable-parallel flag is not compatible with --enable-java.
## If the user tried to specify both flags, throw an error, unless
## they also provided the --enable-unsupported flag.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_JAVA}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then
    AC_MSG_ERROR([--enable-java and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

## --enable-parallel is also incompatible with --enable-threadsafe, unless
## --enable-unsupported has been specified on the configure line.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${THREADSAFE}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then
    AC_MSG_ERROR([--enable-threadsafe and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

AC_MSG_CHECKING([for parallel support files])
case "X-$enable_parallel" in
  X-|X-no|X-none)
    ## We are not compiling for parallel.
    AC_MSG_RESULT([skipped])
    ;;

  X-yes)
    ## We want to compile a parallel library with a compiler that
    ## may already know how to link with MPI and MPI-IO.
    AC_MSG_RESULT([provided by compiler])
    PARALLEL=yes

    ## Try link a simple MPI program.
    AC_MSG_CHECKING([whether a simple MPI-IO C program can be linked])
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <mpi.h>]],
                   [[ MPI_Init(0, (void *)0);
            MPI_File_open(0, (void *)0, 0, 0, (void *)0);]])],
        [AC_MSG_RESULT([yes])],
            [AC_MSG_RESULT([no])
            AC_MSG_ERROR([unable to link a simple MPI-IO C program])])

    if test "X$HDF_FORTRAN" = "Xyes"; then
      PAC_PROG_FC_MPI_CHECK
    fi

    ## Set RUNPARALLEL to mpiexec if not set yet.
    if test "X$PARALLEL" = "Xyes" -a -z "$RUNPARALLEL"; then
      RUNPARALLEL="mpiexec -n \$\${NPROCS:=6}"
    fi
    ;;

  *)
    AC_MSG_RESULT([error])
    AC_MSG_ERROR([\'$enable_parallel\' is not a valid parallel search type])
    ;;
esac

## ----------------------------------------------------------------------
## Print some other parallel information and do some sanity checks.
## Needs to be done outside of the PARALLEL block since the serial
## build also needs to have values defined.
##
AC_SUBST([ADD_PARALLEL_FILES]) ADD_PARALLEL_FILES="no"
AC_SUBST([MPE]) MPE=no
AC_SUBST([INSTRUMENT_LIBRARY]) INSTRUMENT_LIBRARY=no
AC_SUBST([PARALLEL_FILTERED_WRITES])
AC_SUBST([LARGE_PARALLEL_IO])

if test -n "$PARALLEL"; then
  if test "X$HDF5_TESTS" = "Xyes"; then
    ## The 'testpar' directory should participate in the build
    TESTPARALLEL=testpar
  fi

  ## We are building a parallel library
  AC_DEFINE([HAVE_PARALLEL], [1], [Define if we have parallel support])

  ## Display what we found about running programs
  AC_MSG_CHECKING([prefix for running on one processor])
  AC_MSG_RESULT([$RUNSERIAL])
  AC_MSG_CHECKING([prefix for running in parallel])
  AC_MSG_RESULT([$RUNPARALLEL])

  ## There *must* be some way to run in parallel even if it's just the
  ## word `none'.
  if test -z "$RUNPARALLEL"; then
    AC_MSG_ERROR([no way to run a parallel program])
  fi

  ## If RUNSERIAL or RUNPARALLEL is the word `none' then replace it with
  ## the empty string. This means that no launch commands were requested,
  ## so we will not use any launch commands.
  if test "X$RUNSERIAL" = "Xnone"; then
    RUNSERIAL=""
  fi
  if test "X$RUNPARALLEL" = "Xnone"; then
    RUNPARALLEL=""
  fi

  if test "X$HDF_FORTRAN" = "Xyes"; then
    ADD_PARALLEL_FILES="yes"
    AC_MSG_CHECKING([for MPI_Comm_c2f and MPI_Comm_f2c functions])

    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
    #include <mpi.h>
    ]],
      [[MPI_Comm c_comm; MPI_Comm_c2f(c_comm)]])],
      [AC_DEFINE([HAVE_MPI_MULTI_LANG_Comm], [1],
                 [Define if MPI_Comm_c2f and MPI_Comm_f2c exist])
                 AC_MSG_RESULT([yes])],
                 [AC_MSG_RESULT([no])]
    )

    AC_MSG_CHECKING([for MPI_Info_c2f and MPI_Info_f2c functions])
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <mpi.h>]],
      [[MPI_Info c_info; MPI_Info_c2f(c_info)]])],
      [AC_DEFINE([HAVE_MPI_MULTI_LANG_Info], [1],
                [Define if MPI_Info_c2f and MPI_Info_f2c exist])
                AC_MSG_RESULT([yes])],
                [AC_MSG_RESULT([no])]
    )
  fi

  ## ----------------------------------------------------------------------
  ## Enable instrumenting of the library's internal operations
  ## in parallel builds.
  ##

  ## Set default
  if test "X-$BUILD_MODE" = "X-debug" ; then
    INSTRUMENT_LIBRARY=yes
  else
    INSTRUMENT_LIBRARY=no
  fi

  AC_MSG_CHECKING([for instrumented library]);
  AC_ARG_ENABLE([instrument],
                [AS_HELP_STRING([--enable-instrument],
                                [Enable library instrumentation of optimization
                                  tracing (only used with parallel builds).
                                  [default=yes if a parallel debug build, otherwise no]
                                ])],
                [INSTRUMENT_LIBRARY=$enableval])

  ## Allow this variable to be substituted in
  ## other files (src/libhdf5.settings.in, etc.)
  AC_SUBST([INSTRUMENT_LIBRARY])

  case "X-$INSTRUMENT_LIBRARY" in
    X-yes)
      AC_DEFINE([HAVE_INSTRUMENTED_LIBRARY], [1],
                [Define if parallel library will contain instrumentation to detect correct optimization operation])
      AC_MSG_RESULT([yes])
      ;;
    X-no)
      AC_MSG_RESULT([no])
      ;;
    *)
      AC_MSG_ERROR([Unrecognized value: $INSTRUMENT_LIBRARY])
      ;;
  esac

  ## --------------------------------------------------------------------
  ## Do we want MPE instrumentation feature on?
  ##
  ## This must be done after enable-parallel is checked since it depends
  ## on a mpich compiler.
  ##
  MPE=yes
  AC_ARG_WITH([mpe],
              [AS_HELP_STRING([--with-mpe=DIR],
                              [Use MPE instrumentation [default=no]])],,
              [withval=no])

  case "X-$withval" in
    X-|X-no|X-none)
      AC_MSG_CHECKING([for MPE])
      AC_MSG_RESULT([suppressed])
      unset MPE
      ;;
    X-yes)
      AC_CHECK_HEADERS([mpe.h],, [unset MPE])
      AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE])
      ;;
    *)
      case "$withval" in
        *,*)
          mpe_inc="`echo $withval | cut -f1 -d,`"
          mpe_lib="`echo $withval | cut -f2 -d, -s`"
          ;;
        *)
          if test -n "$withval"; then
            mpe_inc="$withval/include"
            mpe_lib="$withval/lib"
          fi
          ;;
      esac

      if test -n "$mpe_inc"; then
        saved_CPPFLAGS="$CPPFLAGS"
        saved_AM_CPPFLAGS="$AM_CPPFLAGS"
        CPPFLAGS="$CPPFLAGS -I$mpe_inc"
        AM_CPPFLAGS="$AM_CPPFLAGS -I$mpe_inc"
        AC_CHECK_HEADERS([mpe.h],, [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; unset MPE])
      else
        AC_CHECK_HEADERS([mpe.h],, [unset MPE])
      fi

      if test -n "$mpe_lib"; then
        saved_LDFLAGS="$LDFLAGS"
        saved_AM_LDFLAGS="$AM_LDFLAGS"
        LDFLAGS="$LDFLAGS -L$mpe_lib"
        AM_LDFLAGS="$AM_LDFLAGS -L$mpe_lib"
        AC_CHECK_LIB([mpe], [MPE_Init_log],,
                     [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset MPE])
      else
        AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE])
      fi
      ;;
  esac

  if test "X-$MPE" = "X-yes"; then
    AC_DEFINE([HAVE_MPE], [1], [Define if we have MPE support])
  fi

  ## ----------------------------------------------------------------------
  ## Check for the MPI-3 functions necessary for the Parallel Compression
  ## feature. If these are not present, issue a warning that Parallel
  ## Compression will be disabled.
  ##
  AC_MSG_CHECKING([for MPI_Mprobe and MPI_Imrecv functions])

  AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
          [[
              #include <mpi.h>
          ]],
          [[
              MPI_Message message;
              MPI_Init(0, (void *) 0);
              MPI_Mprobe(0, 0, 0, &message, (void *) 0);
              MPI_Imrecv((void *) 0, 0, 0, (void *) 0, (void *) 0);
          ]]
      )],
      [AC_MSG_RESULT([yes])
       PARALLEL_FILTERED_WRITES=yes],
      [AC_MSG_RESULT([no])
       AC_MSG_WARN([A simple MPI program using the MPI_Mprobe and MPI_Imrecv functions could not be compiled and linked.
                    Parallel writes of filtered data will be disabled.])
       PARALLEL_FILTERED_WRITES=no]
  )

  ## ----------------------------------------------------------------------
  ## Check for the MPI-3 functions necessary for the big I/O feature.
  ## If these are not present, issue a warning that the big I/O feature
  ## will be disabled.
  ##
  AC_MSG_CHECKING([for MPI_Get_elements_x and MPI_Type_size_x functions])

  AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
          [[
              #include <mpi.h>
          ]],
          [[
              MPI_Count count;
              MPI_Init(0, (void *) 0);
              MPI_Get_elements_x(0, 0, &count);
              MPI_Type_size_x(0, &count);
          ]]
      )],
      [AC_MSG_RESULT([yes])
       LARGE_PARALLEL_IO=yes],
      [AC_MSG_RESULT([no])
       AC_MSG_WARN([A simple MPI program using the MPI_Get_elements_x and MPI_Type_size_x functions could not be compiled and linked.
                    Reading/Writing >2GB of data in a single parallel I/O operation will be disabled.])
       LARGE_PARALLEL_IO=no]
  )

fi

## ----------------------------------------------------------------------
## Check if the map API is enabled by --enable-map-api
##
AC_SUBST([MAP_API])

## Default is no map API
MAP_API=no

AC_MSG_CHECKING([if the map API (H5M) is enabled])

AC_ARG_ENABLE([map-api],
              [AS_HELP_STRING([--enable-map-api],
                              [Build the map API (H5M).
                               This is not yet supported in the native file format
                               and requires a VOL connector that supports it.
                               [default=no]])],
              [MAP_API=$enableval], [MAP_API=no])

if test "X$MAP_API" = "Xyes"; then
    AC_MSG_RESULT([yes])
    AC_DEFINE([HAVE_MAP_API], [1],
            [Define if the map API (H5M) should be compiled])
else
    AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Check if Direct I/O driver is enabled by --enable-direct-vfd
##
AC_SUBST([DIRECT_VFD])

## Default is no direct VFD
DIRECT_VFD=no

AC_CACHE_VAL([hdf5_cv_direct_io],
    AC_CHECK_DECL([O_DIRECT], [hdf5_cv_direct_io=yes], [hdf5_cv_direct_io=no], [[#include <fcntl.h>]]))
AC_CACHE_VAL([hdf5_cv_posix_memalign],
    AC_CHECK_FUNC([posix_memalign], [hdf5_cv_posix_memalign=yes], [hdf5_cv_posix_memalign=no]))

AC_MSG_CHECKING([if the direct I/O virtual file driver (VFD) is enabled])

AC_ARG_ENABLE([direct-vfd],
              [AS_HELP_STRING([--enable-direct-vfd],
                              [Build the direct I/O virtual file driver (VFD).
                               This is based on the POSIX (sec2) VFD and
                               requires the open() call to take the O_DIRECT
                               flag. [default=no]])],
              [DIRECT_VFD=$enableval], [DIRECT_VFD=no])

if test "X$DIRECT_VFD" = "Xyes"; then
    if test ${hdf5_cv_direct_io} = "yes" && test ${hdf5_cv_posix_memalign} = "yes" ; then
        AC_MSG_RESULT([yes])
        AC_DEFINE([HAVE_DIRECT], [1],
                [Define if the direct I/O virtual file driver (VFD) should be compiled])
    else
        AC_MSG_RESULT([no])
        DIRECT_VFD=no
        AC_MSG_ERROR([The direct VFD was requested but cannot be built. This is either
                     due to O_DIRECT not being found in fcntl.h or a lack of
                     posix_memalign() on your system. Please re-configure without
                     specifying --enable-direct-vfd.])
    fi
else
    AC_MSG_RESULT([no])
fi

## Direct VFD files are not built if not required.
AM_CONDITIONAL([DIRECT_VFD_CONDITIONAL], [test "X$DIRECT_VFD" = "Xyes"])

## ----------------------------------------------------------------------
## Check whether the Mirror VFD can be built.
## Auto-enabled if the required libraries are present.
##
AC_SUBST([MIRROR_VFD])

## Default is no Mirror VFD
MIRROR_VFD=no

AC_ARG_ENABLE([mirror-vfd],
              [AS_HELP_STRING([--enable-mirror-vfd],
                              [Build the socket-based Mirror virtual file driver (VFD).
                               [default=no]])],
              [MIRROR_VFD=$enableval], [MIRROR_VFD=no])

if test "X$MIRROR_VFD" = "Xyes"; then

    AC_CHECK_HEADERS([arpa/inet.h],, [unset MIRROR_VFD])
    AC_CHECK_HEADERS([netinet/in.h],, [unset MIRROR_VFD])
    AC_CHECK_HEADERS([netdb.h],, [unset MIRROR_VFD])
    AC_CHECK_HEADERS([sys/socket.h],, [unset MIRROR_VFD])
    AC_CHECK_FUNC([fork], [], [unset MIRROR_VFD])

    AC_MSG_CHECKING([if the Mirror virtual file driver (VFD) can be built])
    if test "X$MIRROR_VFD" = "Xyes"; then
        AC_DEFINE([HAVE_MIRROR_VFD], [1],
                [Define whether the Mirror virtual file driver (VFD) will be compiled])
        AC_MSG_RESULT([yes])
    else
        AC_MSG_RESULT([no])
        MIRROR_VFD=no
        AC_MSG_ERROR([The Mirror VFD cannot be built.
                      Missing one or more of: arpa/inet.h, netinet/in.h,
                      netdb.h, sys/socket.h, fork().])
    fi
else
    AC_MSG_CHECKING([if the Mirror virtual file driver (VFD) is enabled])
    AC_MSG_RESULT([no])
    MIRROR_VFD=no
fi

## Mirror VFD files built only if able.
AM_CONDITIONAL([MIRROR_VFD_CONDITIONAL], [test "X$MIRROR_VFD" = "Xyes"])

## ----------------------------------------------------------------------
## Check if Read-Only S3 virtual file driver is enabled by --enable-ros3-vfd
##
AC_SUBST([ROS3_VFD])

## Default is no Read-Only S3 VFD
ROS3_VFD=no

AC_ARG_ENABLE([ros3-vfd],
              [AS_HELP_STRING([--enable-ros3-vfd],
                              [Build the Read-Only S3 virtual file driver (VFD).
                               [default=no]])],
              [ROS3_VFD=$enableval], [ROS3_VFD=no])

if test "X$ROS3_VFD" = "Xyes"; then
    AC_CHECK_HEADERS([curl/curl.h],, [unset ROS3_VFD])
    AC_CHECK_HEADERS([openssl/evp.h],, [unset ROS3_VFD])
    AC_CHECK_HEADERS([openssl/hmac.h],, [unset ROS3_VFD])
    AC_CHECK_HEADERS([openssl/sha.h],, [unset ROS3_VFD])
    if test "X$ROS3_VFD" = "Xyes"; then
        AC_CHECK_LIB([curl], [curl_global_init],, [unset ROS3_VFD])
        AC_CHECK_LIB([crypto], [EVP_sha256],, [unset ROS3_VFD])
    fi

    AC_MSG_CHECKING([if the Read-Only S3 virtual file driver (VFD) is enabled])
    if test "X$ROS3_VFD" = "Xyes"; then
        AC_DEFINE([HAVE_ROS3_VFD], [1],
                [Define whether the Read-Only S3 virtual file driver (VFD) should be compiled])
        AC_MSG_RESULT([yes])
    else
        AC_MSG_RESULT([no])
        ROS3_VFD=no
        AC_MSG_ERROR([The Read-Only S3 VFD was requested but cannot be built.
                      Please check that openssl and cURL are available on your
                      system, and/or re-configure without option
                      --enable-ros3-vfd.])
    fi
else
    AC_MSG_CHECKING([if the Read-Only S3 virtual file driver (VFD) is enabled])
    AC_MSG_RESULT([no])
    ROS3_VFD=no

fi

## Read-only S3 files are not built if not required.
AM_CONDITIONAL([ROS3_VFD_CONDITIONAL], [test "X$ROS3_VFD" = "Xyes"])


## ----------------------------------------------------------------------
## Is libhdfs (Hadoop Distributed File System) present?
## It might be specified with the `--with-libhdfs' command-line switch.
## If found, enables the HDFS VFD.
##
AC_SUBST([HAVE_LIBHDFS])
AC_ARG_WITH([libhdfs],
            [AS_HELP_STRING([--with-libhdfs=DIR],
                            [Provide libhdfs library to enable HDFS virtual file driver (VFD) [default=no]])],,
            [withval=no])

case $withval in
  no)
    HAVE_LIBHDFS="no"
    AC_MSG_CHECKING([for libhdfs])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_LIBHDFS="yes"
    case "$withval" in
      *,*)
        libhdfs_inc="`echo $withval |cut -f1 -d,`"
        libhdfs_lib="`echo $withval |cut -f2 -d, -s`"
        ;;
      yes)
        libhdfs_inc="$HADOOP_HOME/include"
        libhdfs_lib="$HADOOP_HOME/lib"
        ;;
      *)
        if test -n "$withval"; then
          libhdfs_inc="$withval/include"
          libhdfs_lib="$withval/lib"
        fi
        ;;
    esac

    if test -n "$libhdfs_inc"; then
      CPPFLAGS="$CPPFLAGS -I$libhdfs_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$libhdfs_inc"
    fi
    AC_CHECK_HEADERS([hdfs.h],,
                     [unset HAVE_LIBHDFS])

    if test "x$HAVE_LIBHDFS" = "xyes"; then
      dnl Check for '-ljvm' needed by libhdfs
      JNI_LDFLAGS=""
      if test $JAVA_HOME != ""
      then
        JNI_LDFLAGS="-L$JAVA_HOME/jre/lib/$OS_ARCH -L$JAVA_HOME/jre/lib/$OS_ARCH/server"
      fi
      ldflags_bak=$LDFLAGS
      LDFLAGS="$LDFLAGS $JNI_LDFLAGS"
      AC_CHECK_LIB([jvm], [JNI_GetCreatedJavaVMs])
      LDFLAGS=$ldflags_bak
      AC_SUBST([JNI_LDFLAGS])
      if test -n "$libhdfs_lib"; then
        ## Hadoop distribution hides libraries down one level in 'lib/native'
        libhdfs_lib="$libhdfs_lib/native"
        LDFLAGS="$LDFLAGS -L$libhdfs_lib $JNI_LDFLAGS"
        AM_LDFLAGS="$AM_LDFLAGS -L$libhdfs_lib $JNI_LDFLAGS"
      fi
      AC_CHECK_LIB([hdfs], [hdfsConnect],,
                   [unset HAVE_LIBHDFS])
    fi

    if test -z "$HAVE_LIBHDFS"; then
      AC_MSG_ERROR([Set to use libhdfs library, but could not find or use
                    libhdfs. Please verify that the path to HADOOP_HOME is
                    valid, and/or reconfigure without --with-libhdfs.])
    fi
    ;;
esac

if test "x$HAVE_LIBHDFS" = "xyes"; then
  AC_DEFINE([HAVE_LIBHDFS], [1],
            [Proceed to build with libhdfs])
fi

## Read-only HDFS files are not built if not required.
AM_CONDITIONAL([HDFS_VFD_CONDITIONAL], [test "X$HAVE_LIBHDFS" = "Xyes"])

## Checkpoint the cache
AC_CACHE_SAVE

## ----------------------------------------------------------------------
## Use custom examples path.
##
AC_MSG_CHECKING([for custom examples path definition])
AC_ARG_WITH([examplesdir],
            [AS_HELP_STRING([--with-examplesdir=location],
                            [Specify path for examples
                            [default="DATAROOTDIR/hdf5_examples"]])],,
            withval="${datarootdir}/hdf5_examples")

if test "X$withval" = "X"; then
    AC_MSG_RESULT([default])
    examplesdir="${datarootdir}/hdf5_examples"
else
    AC_MSG_RESULT([$withval])
    examplesdir=$withval
fi

AC_SUBST([examplesdir])
AC_DEFINE_UNQUOTED([EXAMPLESDIR], ["$examplesdir"],
            [Define the examples directory])

## ----------------------------------------------------------------------
## Enable custom plugin default path for library.  It requires SHARED support.
##
AC_MSG_CHECKING([for custom plugin default path definition])
AC_ARG_WITH([default-plugindir],
            [AS_HELP_STRING([--with-default-plugindir=location],
                            [Specify default location for plugins
                            [default="/usr/local/hdf5/lib/plugin"]])],,
            withval="/usr/local/hdf5/lib/plugin")

if test "X$withval" = "X"; then
    AC_MSG_RESULT([default])
    default_plugindir="/usr/local/hdf5/lib/plugin"
else
    AC_MSG_RESULT([$withval])
    default_plugindir=$withval
fi

AC_DEFINE_UNQUOTED([DEFAULT_PLUGINDIR], ["$default_plugindir"],
            [Define the default plugins path to compile])

## ----------------------------------------------------------------------
## Decide whether the presence of user's exception handling functions is
## checked and data conversion exceptions are returned.  This is mainly
## for the speed optimization of hard conversions.  Soft conversions can
## actually benefit little.
##
AC_MSG_CHECKING([whether exception handling functions is checked during data conversions])
AC_ARG_ENABLE([dconv-exception],
              [AS_HELP_STRING([--enable-dconv-exception],
                              [if exception handling functions is checked during
                              data conversions [default=yes]])],
              [DCONV_EXCEPTION=$enableval], [DCONV_EXCEPTION=yes])

if test "$DCONV_EXCEPTION" = "yes"; then
  AC_MSG_RESULT([yes])
  AC_DEFINE([WANT_DCONV_EXCEPTION], [1],
            [Check exception handling functions during data conversions])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Decide whether the data accuracy has higher priority during data
## conversions.  If not, some hard conversions will still be prefered even
## though the data may be wrong (for example, some compilers don't
## support denormalized floating values) to maximize speed.
##
AC_MSG_CHECKING([whether data accuracy is guaranteed during data conversions])
AC_ARG_ENABLE([dconv-accuracy],
              [AS_HELP_STRING([--enable-dconv-accuracy],
                              [if data accuracy is guaranteed during
                              data conversions [default=yes]])],
              [DATA_ACCURACY=$enableval], [DATA_ACCURACY=yes])

if test "$DATA_ACCURACY" = "yes"; then
  AC_MSG_RESULT([yes])
  AC_DEFINE([WANT_DATA_ACCURACY], [1],
            [Data accuracy is prefered to speed during data conversions])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine has window style pathname,
## that is, "drive-letter:\" (e.g. "C:") or "drive-letter:/" (e.g. "C:/").
## (This flag should be _unset_ for all machines, except for Windows, where
## it's set in the custom Windows H5pubconf.h file)
##
AC_MSG_CHECKING([if the machine has window style path name])

case "`uname`" in
  MINGW*)
    AC_DEFINE([HAVE_WINDOW_PATH], [1],
              [Define if your system has window style path name.])
    AC_MSG_RESULT([yes])
    ;;
  *)
    AC_MSG_RESULT([no])
    ;;
esac

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine is using a special algorithm to convert
## 'long double' to '(unsigned) long' values.  (This flag should only be set for
## the IBM Power6 Linux.  When the bit sequence of long double is
## 0x4351ccf385ebc8a0bfcc2a3c3d855620, the converted value of (unsigned)long
## is 0x004733ce17af227f, not the same as the library's conversion to 0x004733ce17af2282.
## The machine's conversion gets the correct value.  We define the macro and disable
## this kind of test until we figure out what algorithm they use.
##
AC_MSG_CHECKING([if using special algorithm to convert long double to (unsigned) long values])

## NOTE: Place all configure test programs into cmake's source file, then use a preprocessor directive
## to select the proper test program. This is done by echoing the #define and cat'ing the cmake
## source file. (HDFFV-9467)

TEST_SRC="`(echo \"#define H5_LDOUBLE_TO_LONG_SPECIAL_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_ldouble_to_long_special=${hdf5_cv_ldouble_to_long_special=no}
else
   AC_CACHE_VAL([hdf5_cv_ldouble_to_long_special],
        [AC_RUN_IFELSE(
            [AC_LANG_SOURCE([$TEST_SRC])]
    , [hdf5_cv_ldouble_to_long_special=yes], [hdf5_cv_ldouble_to_long_special=no],)])
fi

if test ${hdf5_cv_ldouble_to_long_special} = "yes"; then
  AC_DEFINE([LDOUBLE_TO_LONG_SPECIAL], [1],
            [Define if your system converts long double to (unsigned) long values with special algorithm.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine is using a special algorithm
## to convert some values of '(unsigned) long' to 'long double' values.
## (This flag should be off for all machines, except for IBM Power6 Linux,
## when the bit sequences are 003fff..., 007fff..., 00ffff..., 01ffff...,
## ..., 7fffff..., the compiler uses a unknown algorithm.  We define a
## macro and skip the test for now until we know about the algorithm.
##
AC_MSG_CHECKING([if using special algorithm to convert (unsigned) long to long double values])

TEST_SRC="`(echo \"#define H5_LONG_TO_LDOUBLE_SPECIAL_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_long_to_ldouble_special=${hdf5_cv_long_to_ldouble_special=no}
else
   AC_CACHE_VAL([hdf5_cv_long_to_ldouble_special],
        [AC_RUN_IFELSE(
            [AC_LANG_SOURCE([$TEST_SRC])]
    , [hdf5_cv_long_to_ldouble_special=yes], [hdf5_cv_long_to_ldouble_special=no],)])
fi

if test ${hdf5_cv_long_to_ldouble_special} = "yes"; then
  AC_DEFINE([LONG_TO_LDOUBLE_SPECIAL], [1],
            [Define if your system can convert (unsigned) long to long double values with special algorithm.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine can accurately convert
## 'long double' to '(unsigned) long long' values.  (This flag should
## be set for all machines, except for Mac OS 10.4, SGI IRIX64 6.5 and
## Powerpc Linux using XL compilers.
## When the bit sequence of long double is 0x4351ccf385ebc8a0bfcc2a3c...,
## the values of (unsigned)long long start to go wrong on these
## two machines.  Adjusting it higher to 0x4351ccf385ebc8a0dfcc... or
## 0x4351ccf385ebc8a0ffcc... will make the converted values wildly wrong.
## This test detects this wrong behavior and disable the test.
##
AC_MSG_CHECKING([if correctly converting long double to (unsigned) long long values])

TEST_SRC="`(echo \"#define H5_LDOUBLE_TO_LLONG_ACCURATE_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_ldouble_to_llong_accurate=${hdf5_cv_ldouble_to_llong_accurate=no}
else
   AC_CACHE_VAL([hdf5_cv_ldouble_to_llong_accurate],
        [AC_RUN_IFELSE([AC_LANG_SOURCE([$TEST_SRC])],
        [hdf5_cv_ldouble_to_llong_accurate=yes], [hdf5_cv_ldouble_to_llong_accurate=no],[])])
fi

if test ${hdf5_cv_ldouble_to_llong_accurate} = "yes"; then
  AC_DEFINE([LDOUBLE_TO_LLONG_ACCURATE], [1],
            [Define if your system can convert long double to (unsigned) long long values correctly.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi


## ----------------------------------------------------------------------
## Set the flag to indicate that the machine can accurately convert
## '(unsigned) long long' to 'long double' values.  (This flag should be
## set for all machines, except for Mac OS 10.4 and Powerpc Linux using
## XL compilers.
## When the bit sequences are 003fff..., 007fff..., 00ffff..., 01ffff...,
## ..., 7fffff..., the converted values are twice as big as they should be.
##
AC_MSG_CHECKING([if correctly converting (unsigned) long long to long double values])

TEST_SRC="`(echo \"#define H5_LLONG_TO_LDOUBLE_CORRECT_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_llong_to_ldouble_correct=${hdf5_cv_llong_to_ldouble_correct=no}
else
   AC_CACHE_VAL([hdf5_cv_llong_to_ldouble_correct],
        [AC_RUN_IFELSE([AC_LANG_SOURCE([$TEST_SRC])],
        [hdf5_cv_llong_to_ldouble_correct=yes], [hdf5_cv_llong_to_ldouble_correct=no],[])])
fi

if test ${hdf5_cv_llong_to_ldouble_correct} = "yes"; then
  AC_DEFINE([LLONG_TO_LDOUBLE_CORRECT], [1],
            [Define if your system can convert (unsigned) long long to long double values correctly.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine is IBM ppc64le and cannot
## accurately convert some long double values.
##
AC_MSG_CHECKING([if the system is IBM ppc64le and cannot correctly convert some long double values])

TEST_SRC="`(echo \"#define H5_DISABLE_SOME_LDOUBLE_CONV_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_disable_some_ldouble_conv=${hdf5_cv_disable_some_ldouble_conv=no}
else
   AC_CACHE_VAL([hdf5_cv_disable_some_ldouble_conv],
        [AC_RUN_IFELSE([AC_LANG_SOURCE([$TEST_SRC])],
        [hdf5_cv_disable_some_ldouble_conv=yes], [hdf5_cv_disable_some_ldouble_conv=no],[])])
fi

if test ${hdf5_cv_disable_some_ldouble_conv} = "yes"; then
  AC_DEFINE([DISABLE_SOME_LDOUBLE_CONV], [1],
            [Define if your system is IBM ppc64le and cannot convert some long double values correctly.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set some variables for general configuration information to be saved
## and installed with the libraries (used to generate libhdf5.settings).
##

## HDF5 version from the first line of the README.txt file.
H5_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`"
AC_SUBST([H5_VERSION])

## Configuration date
AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`"

## User doing the configuration
AC_SUBST([CONFIG_USER]) CONFIG_USER="`whoami`@`hostname`"
if test -n "$ORGANIZATION"; then
  CONFIG_USER="$CONFIG_USER at $ORGANIZATION"
fi

## Configuration mode (production, debug, etc.) saved above.
AC_SUBST([CONFIG_MODE])

## Byte sex from the AC_C_BIGENDIAN macro.
AC_SUBST([BYTESEX])
if test "X$ac_cv_c_bigendian" = "Xyes"; then
  BYTESEX="big-endian"
else
  BYTESEX="little-endian"
fi


if test "X$ac_cv_c_bigendian" = "Xyes"; then
  WORDS_BIGENDIAN="yes"
else
  WORDS_BIGENDIAN="no"
fi
AC_SUBST([WORDS_BIGENDIAN])

## Parallel support? (set above except empty if none)
PARALLEL=${PARALLEL:-no}

## Parallel writes to filtered datasets support?
PARALLEL_FILTERED_WRITES=${PARALLEL_FILTERED_WRITES:-no}

## >2GB writes in parallel support?
LARGE_PARALLEL_IO=${LARGE_PARALLEL_IO:-no}

## Compiler with version information. This consists of the full path
## name of the compiler and the reported version number.
AC_SUBST([CC_VERSION])
## Strip anything that looks like a flag off of $CC
CC_NOFLAGS=`echo $CC | sed 's/ -.*//'`

if `echo $CC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  CC_VERSION="$CC"
else
  CC_VERSION="$CC";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$CC_NOFLAGS; then
      CC_VERSION="$x/$CC"
      break
    fi
  done
fi
if test -n "$cc_version_info"; then
  CC_VERSION="$CC_VERSION ( $cc_version_info)"
fi

AC_SUBST([FC_VERSION])
## Strip anything that looks like a flag off of $FC
FC_NOFLAGS=`echo $FC | sed 's/ -.*//'`

if `echo $FC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  FC_VERSION="$FC"
else
  FC_VERSION="$FC";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$FC_NOFLAGS; then
      FC_VERSION="$x/$FC"
      break
    fi
  done
fi
if test -n "$fc_version_info"; then
  FC_VERSION="$FC_VERSION ( $fc_version_info)"
fi

AC_SUBST([CXX_VERSION])
## Strip anything that looks like a flag off of $CXX
CXX_NOFLAGS=`echo $CXX | sed 's/ -.*//'`

if `echo $CXX_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  CXX_VERSION="$CXX"
else
  CXX_VERSION="$CXX";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$CXX_NOFLAGS; then
      CXX_VERSION="$x/$CXX"
      break
    fi
  done
fi
if test -n "$cxx_version_info"; then
  CXX_VERSION="$CXX_VERSION ( $cxx_version_info)"
fi

AC_SUBST([JAVA_VERSION])
## Strip anything that looks like a flag off of $JAVA
JAVA_NOFLAGS=`echo $JAVA | sed 's/ -.*//'`

if `echo $JAVA_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  JAVA_VERSION="$JAVA"
else
  JAVA_VERSION="$JAVA";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$JAVA_NOFLAGS; then
      JAVA_VERSION="$x/$JAVA"
      break
    fi
  done
fi
java_version_info=`$JAVA -version 2>&1 |\
  grep 'version' | sed -e 's/version "//' | sed -e 's/"//'`
if test -n "$java_version_info"; then
  JAVA_VERSION="$JAVA_VERSION ($java_version_info)"
fi

## ----------------------------------------------------------------------
## Where is the root of the source tree. Give an absolute address so
## we can find it no matter which directory of the distribution is our
## current directory. The built-in pwd fails on some systems, but the
## /bin/pwd version works OK.
##
if test -x /bin/pwd; then
  pwd=/bin/pwd
else
  pwd=pwd
fi
AC_SUBST([ROOT]) ROOT="`$pwd`"

## ----------------------------------------------------------------------
## Some programs shouldn't be built by default (e.g., programs to generate
## data files used by tests, some optional tests).
## Check if they want such programs built anyway.
##
AC_MSG_CHECKING([additional programs should be built])
AC_ARG_ENABLE([build-all],
     [AS_HELP_STRING([--enable-build-all],
                     [Build helper programs that only developers should need [default=no]])],
     [BUILD_ALL=$enableval],
     [BUILD_ALL=no])

if test "X$BUILD_ALL" = "Xyes"; then
 echo "yes"
else
 echo "no"
fi
AM_CONDITIONAL([BUILD_ALL_CONDITIONAL], [test "X$BUILD_ALL" = "Xyes"])

## ----------------------------------------------------------------------
## Enable deprecated public API symbols
##

## Enabled unless the build mode is clean.
if test "X-$BUILD_MODE" = "X-clean" ; then
  DEPREC_SYMBOLS=no
else
  DEPREC_SYMBOLS=yes
fi

AC_SUBST([DEPRECATED_SYMBOLS])
AC_MSG_CHECKING([if deprecated public symbols are available]);
AC_ARG_ENABLE([deprecated-symbols],
              [AS_HELP_STRING([--enable-deprecated-symbols],
                     [Enable deprecated public API symbols.
                     [default=yes (unless build mode = clean)]
                     ])],
              [DEPREC_SYMBOLS=$enableval])

case "X-$DEPREC_SYMBOLS" in
  X-yes)
    AC_MSG_RESULT([yes])
    DEPRECATED_SYMBOLS=yes
    ;;
  X-no|*)
    AC_MSG_RESULT([no])
    DEPRECATED_SYMBOLS=no
    AC_DEFINE([NO_DEPRECATED_SYMBOLS], [1],
              [Define if deprecated public API symbols are disabled])
    ;;
esac

## --------------------------------------------------------------------------
## Which version of the public APIs should the 'base' versioned symbols use?
##

AC_SUBST([DEFAULT_API_VERSION])
AC_MSG_CHECKING([which version of public symbols to use by default])
AC_ARG_WITH([default-api-version],
            [AS_HELP_STRING([--with-default-api-version=(v16|v18|v110|v112|v114)],
                            [Specify default release version of public symbols
                             [default=v114]])],,
            [withval=v114])

if test "X$withval" = "Xv16"; then
    AC_MSG_RESULT([v16])
    DEFAULT_API_VERSION=v16
    AC_DEFINE([USE_16_API_DEFAULT], [1],
              [Define using v1.6 public API symbols by default])
elif test "X$withval" = "Xv18"; then
    AC_MSG_RESULT([v18])
    DEFAULT_API_VERSION=v18
    AC_DEFINE([USE_18_API_DEFAULT], [1],
              [Define using v1.8 public API symbols by default])
elif test "X$withval" = "Xv110"; then
    AC_MSG_RESULT([v110])
    DEFAULT_API_VERSION=v110
    AC_DEFINE([USE_110_API_DEFAULT], [1],
              [Define using v1.10 public API symbols by default])
elif test "X$withval" = "Xv112"; then
    AC_MSG_RESULT([v112])
    DEFAULT_API_VERSION=v112
    AC_DEFINE([USE_112_API_DEFAULT], [1],
              [Define using v1.12 public API symbols by default])
elif test "X$withval" = "Xv114"; then
    AC_MSG_RESULT([v114])
    DEFAULT_API_VERSION=v114
    AC_DEFINE([USE_114_API_DEFAULT], [1],
              [Define using v1.14 public API symbols by default])
else
    AC_MSG_ERROR([invalid version of public symbols given])
fi

## It's an error to try to disable deprecated public API symbols while
## choosing an older version of the public API as the default. However,
## if the user insists on doing this via the --enable-unsupported configure
## flag, we'll let them.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${DEFAULT_API_VERSION}" != "Xv114" -a "X${DEPRECATED_SYMBOLS}" = "Xno" ; then
    AC_MSG_ERROR([Removing old public API symbols not allowed when using them as default public API symbols. Use --enable-unsupported to override this error.])
  fi
fi

## ----------------------------------------------------------------------
## Enable strict file format checks
##
AC_SUBST([STRICT_FORMAT_CHECKS])
AC_MSG_CHECKING([whether to perform strict file format checks]);
AC_ARG_ENABLE([strict-format-checks],
              [AS_HELP_STRING([--enable-strict-format-checks],
                     [Enable strict file format checks.
                      [default=yes if debug build, otherwise no]
                     ])],
             [STRICT_FORMAT_CHECKS=$enableval])

## Set the default level. This depends on the compiler mode.
if test "X-$STRICT_FORMAT_CHECKS" = X- ; then
  if test "X-$BUILD_MODE" = "X-debug" ; then
    STRICT_FORMAT_CHECKS=yes
  else
    STRICT_FORMAT_CHECKS=no
  fi
fi

case "X-$STRICT_FORMAT_CHECKS" in
  X-yes)
    AC_MSG_RESULT([yes])
    AC_DEFINE([STRICT_FORMAT_CHECKS], [1],
              [Define if strict file format checks are enabled])
    ;;
  X-no)
    AC_MSG_RESULT([no])
    ;;
  *)
    AC_MSG_ERROR([Unrecognized value: $STRICT_FORMAT_CHECKS])
    ;;
esac


## ----------------------------------------------------------------------
## Enable use of pread/pwrite instead of read/write in certain VFDs.
##
AC_SUBST([PREADWRITE])

## Check these first to avoid interspersed output in the AC_ARG_ENABLE line
## below. (Probably overkill to check for both, but we'll be extra careful)
PREADWRITE_HAVE_BOTH=yes
AC_CHECK_FUNC([pread], [], [PREADWRITE_HAVE_BOTH=no])
AC_CHECK_FUNC([pwrite], [], [PREADWRITE_HAVE_BOTH=no])

AC_MSG_CHECKING([whether to use pread/pwrite instead of read/write in certain VFDs])
AC_ARG_ENABLE([preadwrite],
              [AS_HELP_STRING([--enable-preadwrite],
                              [Enable using pread/pwrite instead of read/write in sec2/log/core VFDs.
                              [default=yes if pread/pwrite are present]])],
              [PREADWRITE=$enableval])

## Set the default level.
if test "X-$PREADWRITE" = X- ; then
  PREADWRITE=yes
fi

case "X-$PREADWRITE" in
  X-yes)
      if test "X-$PREADWRITE_HAVE_BOTH" = "X-yes"; then
        AC_DEFINE([HAVE_PREADWRITE], [1], [Define if both pread and pwrite exist.])
        AC_MSG_RESULT([yes])
      else
        AC_MSG_RESULT([no])
      fi
    ;;
  X-no)
      AC_MSG_RESULT([no])
    ;;
  *)
      AC_MSG_ERROR([Unrecognized value: $PREADWRITE])
    ;;
esac


## ----------------------------------------------------------------------
## Enable embedded library information
##
AC_MSG_CHECKING([whether to have library information embedded in the executables])
AC_ARG_ENABLE([embedded-libinfo],
    [AS_HELP_STRING([--enable-embedded-libinfo],
    [Enable embedded library information [default=yes]])],
    [enable_embedded_libinfo=$enableval],
    [enable_embedded_libinfo=yes])

   if test "${enable_embedded_libinfo}" = "yes"; then
      AC_MSG_RESULT([yes])
      AC_DEFINE([HAVE_EMBEDDED_LIBINFO], [1],
                [Define if library information should be embedded in the executables])
   else
      AC_MSG_RESULT([no])
    fi


## ----------------------------------------------------------------------
## Check if pointer alignments are enforced
##
AC_MSG_CHECKING([if alignment restrictions are strictly enforced])

TEST_SRC="`(echo \"#define H5_NO_ALIGNMENT_RESTRICTIONS_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"

AC_RUN_IFELSE([
    AC_LANG_SOURCE([$TEST_SRC])
    ], [
    AC_DEFINE([NO_ALIGNMENT_RESTRICTIONS], [1], [Define if we can violate pointer alignment restrictions])
    AC_MSG_RESULT([no])
    ], [
    AC_MSG_RESULT([yes])
    ], [
    AC_MSG_RESULT([unknown, assuming yes])
    ])


## ----------------------------------------------------------------------
## Restore user's CFLAGS.
CFLAGS="$saved_user_CFLAGS"
FCFLAGS="$saved_user_FCFLAGS"
CXXFLAGS="$saved_user_CXXFLAGS"
CPPFLAGS="$saved_user_CPPFLAGS"
JAVACFLAGS="$saved_user_JAVACFLAGS"
JAVAFLAGS="$saved_user_JAVAFLAGS"
LDFLAGS="$saved_user_LDFLAGS"


## ----------------------------------------------------------------------
## Create automake conditionals to tell automake makefiles which directories
## need to be compiled

AM_CONDITIONAL([BUILD_CXX_CONDITIONAL], [test "X$HDF_CXX" = "Xyes"])
AM_CONDITIONAL([BUILD_PARALLEL_CONDITIONAL], [test "X$PARALLEL" = "Xyes"])
AM_CONDITIONAL([BUILD_FORTRAN_CONDITIONAL], [test "X$HDF_FORTRAN" = "Xyes"])
AM_CONDITIONAL([BUILD_JAVA_CONDITIONAL], [test "X$HDF_JAVA" = "Xyes"])
AM_CONDITIONAL([BUILD_HDF5_HL_CONDITIONAL], [test "X$HDF5_HL" = "Xyes"])
AM_CONDITIONAL([BUILD_TESTS_CONDITIONAL], [test "X$HDF5_TESTS" = "Xyes"])
AM_CONDITIONAL([BUILD_TESTS_PARALLEL_CONDITIONAL], [test -n "$TESTPARALLEL"])
AM_CONDITIONAL([BUILD_TOOLS_CONDITIONAL], [test "X$HDF5_TOOLS" = "Xyes"])
AM_CONDITIONAL([BUILD_DOXYGEN_CONDITIONAL], [test "X$HDF5_DOXYGEN" = "Xyes"])

## ----------------------------------------------------------------------
## Build the Makefiles.
##

## The directory search list
AC_SUBST([SEARCH]) SEARCH='$(srcdir) $(top_builddir)/src $(top_srcdir)/src'
export SEARCH

## Some cleanup stuff
rm -f conftest conftest.o conftest.c dummy.o *.mod

## Build config.status, touch the stamp files, and build all the Makefiles.
## The order is such that the first `make' does not need to update any
## configuration information. See config/commence.in for the order in which
## things need to be done.

## First the stamp1 file for H5config.h.in
mkdir ./config >/dev/null 2>&1
touch ./config/stamp1

## Then the config.status file (but not makefiles)
saved_no_create=$no_create
no_create=yes

PARALLEL_MAKE=""
FORTRAN_PARALLEL_MAKE=""

if test -n "$TESTPARALLEL"; then
  PARALLEL_MAKE="$TESTPARALLEL/Makefile"

  if test "X$HDF_FORTRAN" = "Xyes"; then
    FORTRAN_PARALLEL_MAKE=fortran/$TESTPARALLEL/Makefile
  fi
fi
LT_OUTPUT
no_create=$saved_no_create

## Then the stamp2 file for H5config.h
touch ./config/stamp2

## Finally the makefiles
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1

## Are we compiling static libraries, shared libraries, or both?  This
## is only used for the libhdf5.settings file. We can't just look at
## $enable_static and $enable_shared because if they're yes the ltconfig
## might have decided that one or the other is simply not possible.
## Therefore we have to ask the generated `libtool' shell script
## which 'features' it has enabled.
if (./libtool --features | grep '^enable shared libraries' > /dev/null); then
  enable_shared=yes
else
  enable_shared=no
fi

if (./libtool --features | grep '^enable static libraries' > /dev/null); then
  enable_static=yes
else
  enable_static=no
fi

## Expose things for *.in markup
AC_SUBST([STATIC_SHARED])
AC_SUBST([enable_shared])
AC_SUBST([enable_static])

if test "X$enable_static" = "Xyes" && test "X$enable_shared" = "Xyes"; then
  STATIC_SHARED="static, shared"
elif test "X$enable_static" = "Xyes"; then
  STATIC_SHARED="static"
elif test "X$enable_shared" = "Xyes"; then
  STATIC_SHARED="shared"
else
  STATIC_SHARED="none"
fi

if test "X$HDF_FORTRAN" = "Xyes"; then

  ### libtool does not pass the correct argument linking (-Wl,-Wl,,) for the NAG Fortran compiler
  ### on Linux (other OSs have not been tested).
  ### Therefore, detect if we are using the NAG Fortran compiler, and replace the wl="-Wl," for Fortran to
  ### wl="-Wl,-Wl,," in the libtool file. (HDFFV-10037)
  case "`uname`" in
    Linux*)

    fortran_linux_linker_option="-Wl,"
    if test "X$FC_BASENAME" = "Xnagfor"; then
       fortran_linux_linker_option="-Wl,-Wl,,"
    fi

    ## Set the correct linker option for use in h5fc.in markup
    AC_SUBST([fortran_linux_linker_option])
    ;;
  esac

fi

## ----------------------------------------------------------------------
## Set a macro if shared library is enabled.
##
AM_CONDITIONAL([HAVE_SHARED_CONDITIONAL], [test "X$enable_shared" = "Xyes"])

AC_CONFIG_FILES([src/libhdf5.settings
                 Makefile
                 doxygen/Doxyfile
                 src/Makefile
                 test/Makefile
                 test/H5srcdir_str.h
                 test/testabort_fail.sh
                 test/testcheck_version.sh
                 test/testerror.sh
                 test/testexternal_env.sh
                 test/testflushrefresh.sh
                 test/testlibinfo.sh
                 test/testlinks_env.sh
                 test/testswmr.sh
                 test/testvds_env.sh
                 test/testvdsswmr.sh
                 test/test_filter_plugin.sh
                 test/test_mirror.sh
                 test/test_usecases.sh
                 test/test_vol_plugin.sh
                 testpar/Makefile
                 testpar/testpflush.sh
                 utils/Makefile
                 utils/mirror_vfd/Makefile
                 tools/Makefile
                 tools/lib/Makefile
                 tools/libtest/Makefile
                 tools/src/Makefile
                 tools/src/h5dump/Makefile
                 tools/src/h5import/Makefile
                 tools/src/h5diff/Makefile
                 tools/src/h5jam/Makefile
                 tools/src/h5repack/Makefile
                 tools/src/h5ls/Makefile
                 tools/src/h5copy/Makefile
                 tools/src/misc/Makefile
                 tools/src/h5stat/Makefile
                 tools/test/Makefile
                 tools/test/h5dump/Makefile
                 tools/test/h5dump/h5dump_plugin.sh
                 tools/test/h5dump/testh5dump.sh
                 tools/test/h5dump/testh5dumppbits.sh
                 tools/test/h5dump/testh5dumpvds.sh
                 tools/test/h5dump/testh5dumpxml.sh
                 tools/test/h5ls/Makefile
                 tools/test/h5ls/h5ls_plugin.sh
                 tools/test/h5ls/testh5ls.sh
                 tools/test/h5ls/testh5lsvds.sh