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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4212 |
1 files changed, 4212 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..b34355c --- /dev/null +++ b/configure.ac @@ -0,0 +1,4212 @@ +## Process this file with autoconf to produce configure. +## +## Copyright by The HDF Group. +## 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://www.hdfgroup.org/licenses. +## If you do not have access to either file, you may request a copy from +## help@hdfgroup.org. + +## ---------------------------------------------------------------------- +## Initialize configure. +## +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], [1.15.0], [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 determines the behavior of "rebuild rules" that contain +## dependencies for Makefile.in files, configure, src/H5config.h, etc. If +## AM_MAINTAINER_MODE is enabled, these files will be rebuilt if out of date. +## When disabled, the autotools build files can get out of sync and the build +## system will not complain or try to regenerate downstream files. +## +## The AM_MAINTAINER_MODE macro also determines whether the +## --(enable|disable)-maintainer-mode configure option is available. When the +## macro is present, with or without a parameter, the option will be added +## to the generated configure script. +## +## In summary: +## +## AM_MAINTAINER_MODE([enable]) +## - Build dependencies ON by default +## - Configure option exists +## +## AM_MAINTAINER_MODE([disable]) +## - Build dependencies OFF by default +## - Configure option exists +## +## AM_MAINTAINER_MODE +## - Build dependencies OFF by default +## - Configure option exists +## +## No AM_MAINTAINER_MODE macro +## - Build dependencies ON by default +## - No configure option to control build dependencies +## +## The biggest concern for us is that version control systems like git +## usually don't preserve dependencies between timestamps, so the build +## system will often think that upstream build files like Makefile.am are +## dirty and that rebuilding needs to occur when it doesn't. This is a problem +## in release branches where we provide the autotools-generated files. Users +## who don't have autoconf, automake, etc. will then have difficulty building +## release branches checked out from git. +## +## By default, maintainer mode is enabled in development branches and disabled +## in release branches. +AM_MAINTAINER_MODE([enable]) + +## ---------------------------------------------------------------------- +## 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 + 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 + 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="${AM_LDFLAGS}" + +## Flags passed in by the user +CFLAGS="${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" + +## Strip out -Werror from CFLAGS since that can cause checks to fail when +## compiling the test program fails due to warnings +CFLAGS="`echo $CFLAGS | sed -e 's/-Werror//g'`" +CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-Werror//g'`" +FCFLAGS="`echo $FCFLAGS | sed -e 's/-Werror//g'`" +JAVACFLAGS="`echo $JAVACFLAGS | sed -e 's/-Werror//g'`" +CPPFLAGS="`echo $CPPFLAGS | sed -e 's/-Werror//g'`" + +## Support F9X variable to define Fortran compiler if FC variable is +## not used. This should be deprecated in the future. +if test "x" = "x$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 + AC_MSG_ERROR([ + The config.cache file was generated on $hdf5_cv_host but + this is $host. Please remove that file and try again. + config.cache file is invalid]) +fi + +## ---------------------------------------------------------------------- +## Check if we should consider certain compiler warnings as errors +## +## We have to set WARNINGS_AS_ERRORS before sourcing a $host_config +## file, below. +## +## These should NOT be on by default as the risk of breakage is high +## when compiling HDF5 on new (or new versions) of platforms and +## compilers. It can also cause failures when header files we have no +## control over (e.g. MPI, HDFS) raise warnings. +## +AC_MSG_CHECKING([enable warnings as errors]) +AC_ARG_ENABLE([warnings-as-errors], + [AS_HELP_STRING([--enable-warnings-as-errors], + [Determines whether certain warnings will be + considered errors. This is mainly for use + by HDF5 library developers. + [default=no] + ])], + [WARNINGS_AS_ERRORS=$enableval]) + +## Set default +if test "X-$WARNINGS_AS_ERRORS" = X- ; then + WARNINGS_AS_ERRORS=no +fi + +case "X-$WARNINGS_AS_ERRORS" in + X-yes|X-no) + AC_MSG_RESULT([$WARNINGS_AS_ERRORS]) + ;; + *) + AC_MSG_ERROR([Unrecognized value: $WARNINGS_AS_ERRORS]) + ;; +esac + +## ---------------------------------------------------------------------- +## 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([$CLANG_SANITIZE_CHECKS]) + + # Other tools can be added to the list of checks + # The clang compiler doesn't support some of them; they should be + # checked before adding them to the list in the help message. + # The sanitizers/sanitizers.cmake file lists these options: + # address, memory, memoryWithOrigins, undefined, thread, leak, + # 'address;undefined'. Which and which combinations of these are + # supported varies by compiler version, but unsupported options + # or combinations will result in configure errors reported in config.log. + # Comma separated lists of sanitize options will be entered intact in + # one -fsanitize=<list> flag. Space separated lists will be entered in + # separate -fsanitize=<item> flags. + # NOTE: No sanity checking done here! + if test -n "$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-$ALLOW_UNSUPPORTED" in + X-|X-no) + AC_MSG_RESULT([no]) + ;; + X-yes) + AC_MSG_RESULT([yes]) + ;; + *) + ;; +esac + +## ---------------------------------------------------------------------- +## Data types and their sizes. +## +AC_TYPE_OFF_T +AC_CHECK_TYPE([ssize_t], [], + [AC_DEFINE_UNQUOTED([ssize_t], [long], + [Define to `long' if <sys/types.h> does not define.])]) +AC_C_BIGENDIAN +AC_CHECK_SIZEOF([char]) +AC_CHECK_SIZEOF([short]) +AC_CHECK_SIZEOF([int]) +AC_CHECK_SIZEOF([unsigned]) +AC_CHECK_SIZEOF([long]) +AC_CHECK_SIZEOF([long long]) +AC_CHECK_SIZEOF([float]) +AC_CHECK_SIZEOF([double]) +AC_CHECK_SIZEOF([long double]) + +## ---------------------------------------------------------------------- +## Check if the Fortran interface should be enabled +## + +## This needs to be exposed for the library info file even if Fortran is disabled. +AC_SUBST([HDF_FORTRAN]) + +## Default is no Fortran +HDF_FORTRAN=no + +AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES="" +AC_MSG_CHECKING([if Fortran interface enabled]) +AC_ARG_ENABLE([fortran], + [AS_HELP_STRING([--enable-fortran], + [Compile the Fortran interface [default=no]])], + [HDF_FORTRAN=$enableval]) + +AC_MSG_RESULT([$HDF_FORTRAN]) + +if test "X$HDF_FORTRAN" = "Xyes"; then + +## ---------------------------------------------------------------------- +## 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]) + +## 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="$HDF5_INTERFACES fortran" + + ## -------------------------------------------------------------------- + ## HDF5 integer variables for the H5fortran_types.f90 file. + ## + AC_SUBST([R_LARGE]) + AC_SUBST([R_INTEGER]) + AC_SUBST([HADDR_T]) + AC_SUBST([HSIZE_T]) + AC_SUBST([HSSIZE_T]) + AC_SUBST([HID_T]) + AC_SUBST([SIZE_T]) + AC_SUBST([OBJECT_NAMELEN_DEFAULT_F]) + + ## -------------------------------------------------------------------- + ## Fortran source extension + ## + AC_FC_SRCEXT([f90]) + + AC_SUBST([F9XSUFFIXFLAG]) + AC_SUBST([FSEARCH_DIRS]) + + ## -------------------------------------------------------------------- + ## Check for a Fortran compiler and how to include modules. + ## + AC_PROG_FC([PAC_FC_SEARCH_LIST],) + AC_F9X_MODS + + ## Allow setting the fortran module install dir + AC_ARG_WITH([fmoddir], + [AS_HELP_STRING([--with-fmoddir=DIR], [Fortran module install directory])], + [fmoddir=$withval], + [fmoddir="\${includedir}"]) + AC_SUBST([fmoddir], [$fmoddir]) + + ## Change to the Fortran 90 language + AC_LANG_PUSH(Fortran) + + ## Checking if the compiler supports the required Fortran 2003 features and + ## stopping if it does not. + PAC_PROG_FC_HAVE_F2003_REQUIREMENTS + + if test "X$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], $H5CONFIG_F_RKIND_SIZEOF, [Define valid Fortran REAL KINDs Sizeof]) + +## Change back to the C language + AC_LANG_POP(Fortran) +else + FC="no" +fi + +## ---------------------------------------------------------------------- +## Check if they would like the C++ interface compiled +## +## This needs to be exposed for the library info file even if C++ is disabled. +AC_SUBST([HDF_CXX]) + +## Default is no C++ +HDF_CXX=no + +## We need to check for a C++ compiler unconditionally, since +## AC_PROG_CXX defines some macros that Automake 1.9.x uses and will +## miss even if c++ is not enabled. +AC_PROG_CXX +AC_PROG_CXXCPP + +AC_MSG_CHECKING([if c++ interface enabled]) + +AC_ARG_ENABLE([cxx], + [AS_HELP_STRING([--enable-cxx], + [Compile the C++ interface [default=no]])], + [HDF_CXX=$enableval]) +AC_MSG_RESULT([$HDF_CXX]) + +if test "X$HDF_CXX" = "Xyes"; then + HDF5_INTERFACES="$HDF5_INTERFACES c++" + + ## Expose the compiler for *.in files + AC_SUBST([CXX]) + + ## Change to the C++ language + AC_LANG_PUSH(C++) + +else + CXX="no" +fi + +## Change back to the C language +AC_LANG_POP(C++) + + +## ---------------------------------------------------------------------- +## Check if they would like the High Level library compiled +## + +## This needs to be exposed for the library info file even if the HL +## library is disabled. +AC_SUBST([HDF5_HL]) +AC_SUBST([HDF5_HL_TOOLS]) +AC_SUBST([HDF5_HL_GIF_TOOLS]) + +## The high-level library and high-level tools are enabled unless the build mode +## is clean. +if test "X-$BUILD_MODE" = "X-clean" ; then + HDF5_HL=no + HDF5_HL_TOOLS=no +else + HDF5_HL=yes + HDF5_HL_TOOLS=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="" +## Tools high-level library +AC_SUBST(HL_TOOLS) +HL_TOOLS="" + +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 + +## ---------------------------------------------------------------------- +## Enable new references for dimension scales +## +AC_SUBST([DIMENSION_SCALES_WITH_NEW_REF]) +AC_MSG_CHECKING([whether to use new references with dimension scales]); +AC_ARG_ENABLE([dimension-scales-with-new-ref], + [AS_HELP_STRING([--enable-dimension-scales-with-new-ref], + [Use new references when creating dimension scales. + [default=no] + ])], + [DIMENSION_SCALES_WITH_NEW_REF=$enableval]) + +## Set the default value to use old references. +if test "X-$DIMENSION_SCALES_WITH_NEW_REF" = X- ; then + DIMENSION_SCALES_WITH_NEW_REF=no +fi + +case "X-$DIMENSION_SCALES_WITH_NEW_REF" in + X-yes) + AC_MSG_RESULT([yes]) + AC_DEFINE([DIMENSION_SCALES_WITH_NEW_REF], [1], + [Define if new references for dimension scales were requested]) + + ;; + X-no) + AC_MSG_RESULT([no]) + ;; + *) + AC_MSG_ERROR([Unrecognized value: $DIMENSION_SCALES_WITH_NEW_REF]) + ;; +esac + +## ---------------------------------------------------------------------- +## Check which archiving tool to use. This needs to be done before +## the LT_INIT macro. +## +if test -z "$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${enable_shared}" != "Xno"; then + AC_MSG_RESULT([yes]) + if test "X$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=$enableval]) + +AC_MSG_RESULT([$HDF5_TESTS]) + +## These need to be exposed for some tests. +AC_SUBST([H5_UTILS_TEST_BUILDDIR]) +H5_UTILS_TEST_BUILDDIR='utils/test' +AC_SUBST([H5_TEST_BUILDDIR]) +H5_TEST_BUILDDIR='test' + +## ---------------------------------------------------------------------- +## Check what level of testing should be enabled +## + +## Default is quickest testing +TEST_EXPRESS_LEVEL_DEFAULT=3 + +AC_MSG_CHECKING([if HDF5 testing intensity level is set]) + +AC_ARG_ENABLE([test-express], + [AS_HELP_STRING([--enable-test-express=(0-3)], + [Set HDF5 testing intensity level (0-3) [0 = exhaustive testing; 3 = quicker testing; default=3] Set environment variable HDF5TestExpress to override configured setting])], + [TEST_EXPRESS_LEVEL_DEFAULT=$enableval]) + +case "X-$TEST_EXPRESS_LEVEL_DEFAULT" in + X-0|X-1|X-2|X-3) + AC_MSG_RESULT([$TEST_EXPRESS_LEVEL_DEFAULT]) + ;; + *) + AC_MSG_RESULT([error]) + AC_MSG_ERROR([$TEST_EXPRESS_LEVEL_DEFAULT is not a valid test express level]) + ;; +esac + +AC_DEFINE_UNQUOTED([TEST_EXPRESS_LEVEL_DEFAULT], [$TEST_EXPRESS_LEVEL_DEFAULT], [HDF5 testing intensity level]) + +## ---------------------------------------------------------------------- +## Check if they would like to disable building tools +## + +## This needs to be exposed for the library info file. +AC_SUBST([HDF5_TOOLS]) + +## Default is to build tests and tools +HDF5_TOOLS=yes + +AC_MSG_CHECKING([if building tools is disabled]) + +AC_ARG_ENABLE([tools], + [AS_HELP_STRING([--enable-tools], + [Compile the HDF5 tools [default=yes]])], + [HDF5_TOOLS=$enableval]) + +AC_MSG_RESULT([$HDF5_TOOLS]) + +## ---------------------------------------------------------------------- +## Check if they would like to disable building the high-level GIF +## tools (they have unfixed CVE issues) +## + +AC_MSG_CHECKING([if the high-level GIF tools are enabled]) +AC_ARG_ENABLE([hlgiftools], + [AS_HELP_STRING([--enable-hlgiftools], + [Enable the high-level GIF tools. NOTE: These have unfixed CVE issues! + [default=no] + ])], + [HDF5_HL_GIF_TOOLS=$enableval]) + +if test "X-$HDF5_TOOLS" = "X-yes" -a "X-$HDF5_HL" = "X-yes" -a "X-$HDF5_HL_GIF_TOOLS" = "X-yes"; then + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) + HDF5_HL_GIF_TOOLS="no" +fi + + +## ---------------------------------------------------------------------- +## Check if they would like to enable building doxygen files +## + +## This needs to be exposed for the library info file. +AC_SUBST([HDF5_DOXYGEN]) + +## Default is to not build DOXYGEN +HDF5_DOXYGEN=no + +AC_MSG_CHECKING([if building doxygen is enabled]) + +AC_ARG_ENABLE([doxygen], + [AS_HELP_STRING([--enable-doxygen], + [Compile the HDF5 doxygen files [default=no]])], + [HDF5_DOXYGEN=$enableval]) + +AC_MSG_RESULT([$HDF5_DOXYGEN]) + +if test "X$HDF5_DOXYGEN" = "Xyes"; then + 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_DIR]) + 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]) + AC_SUBST([DOXYGEN_EXAMPLES_DIRECTORY]) + AC_SUBST([DOXYGEN_LAYOUT_FILE]) + AC_SUBST([DOXYGEN_HTML_HEADER]) + AC_SUBST([DOXYGEN_HTML_FOOTER]) + AC_SUBST([DOXYGEN_HTML_EXTRA_STYLESHEET]) + AC_SUBST([DOXYGEN_HTML_EXTRA_FILES]) + AC_SUBST([DOXYGEN_TAG_FILE]) + AC_SUBST([DOXYGEN_SERVER_BASED_SEARCH]) + AC_SUBST([DOXYGEN_EXTERNAL_SEARCH]) + AC_SUBST([DOXYGEN_SEARCHENGINE_URL]) + AC_SUBST([DOXYGEN_STRIP_FROM_PATH]) + AC_SUBST([DOXYGEN_STRIP_FROM_INC_PATH]) + AC_SUBST([DOXYGEN_PREDEFINED]) + +# SRCDIR Environment variables used inside doxygen macro for the source location: + DOXYGEN_PACKAGE=${PACKAGE_NAME} + DOXYGEN_VERSION_STRING=${PACKAGE_VERSION} + DOXYGEN_DIR='$(SRCDIR)/doxygen' + DOXYGEN_INCLUDE_ALIASES_PATH='$(SRCDIR)/doxygen' + DOXYGEN_INCLUDE_ALIASES='$(SRCDIR)/doxygen/aliases' + DOXYGEN_VERBATIM_VARS='DOXYGEN_INCLUDE_ALIASES' + DOXYGEN_PROJECT_LOGO='$(SRCDIR)/doxygen/img/HDFG-logo.png' + DOXYGEN_PROJECT_BRIEF='API Reference' + DOXYGEN_INPUT_DIRECTORY='$(SRCDIR) $(SRCDIR)/doxygen/dox' + DOXYGEN_OPTIMIZE_OUTPUT_FOR_C=YES + DOXYGEN_MACRO_EXPANSION=YES + DOXYGEN_OUTPUT_DIRECTORY=hdf5lib_docs + DOXYGEN_EXAMPLES_DIRECTORY='$(SRCDIR)/doxygen/dox/cookbook $(SRCDIR)/doxygen/examples $(SRCDIR)/src $(SRCDIR)/examples $(SRCDIR)/test' + DOXYGEN_LAYOUT_FILE='$(SRCDIR)/doxygen/hdf5doxy_layout.xml' + DOXYGEN_HTML_HEADER='$(SRCDIR)/doxygen/hdf5_header.html' + DOXYGEN_HTML_FOOTER='$(SRCDIR)/doxygen/hdf5_footer.html' + DOXYGEN_HTML_EXTRA_STYLESHEET='$(SRCDIR)/doxygen/hdf5doxy.css' + DOXYGEN_HTML_EXTRA_FILES='$(SRCDIR)/doxygen/hdf5_navtree_hacks.js' + DOXYGEN_TAG_FILE=hdf5.tag + DOXYGEN_SERVER_BASED_SEARCH=NO + DOXYGEN_EXTERNAL_SEARCH=NO + DOXYGEN_SEARCHENGINE_URL= + DOXYGEN_STRIP_FROM_PATH='$(SRCDIR)' + DOXYGEN_STRIP_FROM_INC_PATH='$(SRCDIR)' + DOXYGEN_PREDEFINED='H5_HAVE_DIRECT H5_HAVE_LIBHDFS H5_HAVE_MAP_API H5_HAVE_PARALLEL H5_HAVE_ROS3_VFD H5_DOXYGEN H5_HAVE_SUBFILING_VFD H5_HAVE_IOC_VFD' + + DX_INIT_DOXYGEN([HDF5], [./doxygen/Doxyfile], [hdf5lib_docs]) +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=$enableval]) +AC_MSG_RESULT([$STATIC_EXEC]) + +if test "X$STATIC_EXEC" = "Xyes"; then + ## Issue a warning if -static flag is not supported. + if test "X$lt_cv_prog_compiler_static_works" = "Xno"; then + AC_MSG_WARN([-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 + 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. +## + +## Unix +AC_CHECK_HEADERS([dirent.h features.h pwd.h unistd.h]) +AC_CHECK_HEADERS([sys/file.h sys/ioctl.h sys/resource.h]) +AC_CHECK_HEADERS([sys/stat.h sys/time.h sys/types.h]) + +## Darwin +AC_SUBST([H5_IS_DARWIN]) +H5_IS_DARWIN="no" +case $host_os in + darwin*) + AC_DEFINE([HAVE_DARWIN], [1], [Define if Darwin or Mac OS X]) + H5_IS_DARWIN="yes" + ;; +esac + +## Windows +case "`uname`" in + MINGW*) + # The Winsock library + AC_CHECK_LIB([ws2_32], [GetUserName]) + ;; +esac + +# Mirror VFD networking +AC_CHECK_HEADERS([arpa/inet.h netdb.h netinet/in.h sys/socket.h]) + +## ---------------------------------------------------------------------- +## Some platforms require that all symbols are resolved when a library +## is linked. We can use the -no-undefined flag to tell libtool that +## it will be able to build shared libraries on these architectures, +## as it will not do so by default. +## +if test "X${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 + +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([bool], [], [#include <stdbool.h>]) +AC_CHECK_SIZEOF([off_t]) +AC_CHECK_SIZEOF([ptrdiff_t]) +AC_CHECK_SIZEOF([size_t]) +AC_CHECK_SIZEOF([ssize_t]) +AC_CHECK_SIZEOF([time_t], [], [#include <time.h>]) + +## 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 + ]) + +## ---------------------------------------------------------------------- +## 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([LL_PATH]) +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:$szlib_lib" + fi + + LL_PATH="$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 */ + return SZ_encoder_enabled() != 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([ + #include <stdlib.h> + #include <pthread.h> + ],[ + 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 asprintf clock_gettime fcntl flock fork]) +AC_CHECK_FUNCS([gethostname getrusage gettimeofday]) +AC_CHECK_FUNCS([lstat rand_r random setsysinfo]) +AC_CHECK_FUNCS([siglongjmp sigsetjmp sigprocmask]) +AC_CHECK_FUNCS([srandom strcasestr strdup symlink]) +AC_CHECK_FUNCS([tmpfile vasprintf waitpid]) + +## ---------------------------------------------------------------------- +## Check compiler characteristics +## +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])]) + +## ---------------------------------------------------------------------- +## 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 build diagnostics +## +AC_MSG_CHECKING([enable build diagnostics]) +AC_ARG_ENABLE([diags], + [AS_HELP_STRING([--enable-diags=(yes|no|<custom>)], + [Allow default enhanced diagnostics to the build. + This is independent of the build mode and optimization + level. + [default=no] + ])], + [DIAGS=$enableval]) + +## Set default +if test "X-$DIAGS" = X- ; then + DIAGS=no +fi + +## Allow this variable to be substituted in +## other files (src/libhdf5.settings.in, etc.) +AC_SUBST([DIAGS]) + +case "X-$DIAGS" in + X-yes) + H5_CFLAGS="$H5_CFLAGS $DIAGS_CFLAGS" + H5_CXXFLAGS="$H5_CXXFLAGS $DIAGS_CXXFLAGS" + H5_FCFLAGS="$H5_FCFLAGS $DIAGS_FCFLAGS" + AC_MSG_RESULT([yes]) + ;; + X-no) + H5_CFLAGS="$H5_CFLAGS $NO_DIAGS_CFLAGS" + H5_CXXFLAGS="$H5_CXXFLAGS $NO_DIAGS_CXXFLAGS" + H5_FCFLAGS="$H5_FCFLAGS $NO_DIAGS_FCFLAGS" + AC_MSG_RESULT([no]) + ;; + *) + H5_CFLAGS="$H5_CFLAGS $DIAGS" + H5_CXXFLAGS="$H5_CXXFLAGS $DIAGS" + H5_FCFLAGS="$H5_FCFLAGS $DIAGS" + DIAGS="custom ($DIAGS)" + AC_MSG_RESULT([$DIAGS]) + ;; +esac + + +## ---------------------------------------------------------------------- +## Check if the compiler should include symbols +## +AC_MSG_CHECKING([enable debugging symbols]) +AC_ARG_ENABLE([symbols], + [AS_HELP_STRING([--enable-symbols=(yes|no|<custom>)], + [Add debug symbols to the library (e.g.: build with -g). + This is independent of the build mode and optimization + level. The custom string allows special settings like + -ggdb, etc. to be used. + [default=yes if debug build, otherwise no] + ])], + [SYMBOLS=$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: $ASSERTS]) + ;; +esac + +## Incorporate the potentially warning-to-error promoting flags after +## feature tests. Some of the tests (e.g., `off_t`) generate compilation +## errors with the flags we chose for the HDF5 library and tools. +## +H5_CFLAGS="$H5_CFLAGS $H5_ECFLAGS" +H5_CXXFLAGS="$H5_CXXFLAGS $H5_ECXXFLAGS" + +## ---------------------------------------------------------------------- +## Check if developer warnings should be turned on +## These are warnings that provide suggestions like gcc's -Wsuggest-attribute. +## They do not indicate code problems. +## +## Note that developers don't need to build with these regularly. They +## are just handy to check once in a while (before releases, etc.). +## +AC_MSG_CHECKING([enable developer warnings]) +AC_ARG_ENABLE([developer-warnings], + [AS_HELP_STRING([--enable-developer-warnings], + [Determines whether developer warnings will be + emitted. These are usually performance suggestions + (e.g. -Wsuggest-attribute) and do not flag poor code + quality. + [default=no] + ])], + [DEV_WARNINGS=$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 $DEVELOPER_WARNING_CFLAGS" + H5_FCFLAGS="$H5_FCFLAGS $DEVELOPER_WARNING_FCFLAGS" + AC_MSG_RESULT([yes]) + ;; + X-no) + H5_CFLAGS="$H5_CFLAGS $NO_DEVELOPER_WARNING_CFLAGS" + H5_FCFLAGS="$H5_FCFLAGS $NO_DEVELOPER_WARNING_FCFLAGS" + AC_MSG_RESULT([no]) + ;; + *) + AC_MSG_ERROR([Unrecognized value: $DEV_WARNINGS]) + ;; +esac + +## ---------------------------------------------------------------------- +## Check if the compiler should use profiling flags/settings +## +AC_MSG_CHECKING([profiling]) +AC_ARG_ENABLE([profiling], + [AS_HELP_STRING([--enable-profiling=(yes|no|<custom>)], + [Enable profiling flags (e.g.: -pg). + This can be set independently from the build mode. + The custom setting can be used to pass alternative + profiling flags (e.g.: -P for using Prof with gcc). + [default=no] + ])], + [PROFILING=$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,T,Z" +all_packages="AC,B2,CX,D,F,HL,I,O,S,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: $TRACE_API]) + ;; +esac + +## ---------------------------------------------------------------------- +## Check if they would like to use a memory checking tool (like valgrind's +## 'memcheck' tool, or Rational Purify, etc) and the library should be +## more scrupulous with it's memory operations. Enabling this also +## disables the library's free space manager code. +## +AC_MSG_CHECKING([whether a memory checking tool will be used]) +AC_ARG_ENABLE([using-memchecker], + [AS_HELP_STRING([--enable-using-memchecker], + [Enable this option if a memory allocation and/or + bounds checking tool will be used on the HDF5 + library. Enabling this causes the library to be + more picky about its memory operations and also + disables the library's free space manager code. + [default=no] + ])], + [USINGMEMCHECKER=$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: $USINGMEMCHECKER]) + ;; +esac + +## Checkpoint the cache +AC_CACHE_SAVE + +## What header files and libraries do we have to look for for parallel +## support? For the most part, search paths are already specified with +## CPPFLAGS and LDFLAGS or are known to the compiler. +## +AC_ARG_ENABLE([parallel], + [AS_HELP_STRING([--enable-parallel], + [Search for MPI-IO and MPI support files])]) + +## The --enable-parallel flag is not compatible with --enable-cxx. +## If the user tried to specify both flags, throw an error, unless +## they also provided the --enable-unsupported flag. +if test "X${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${enable_parallel}" = "Xyes"; then + AC_MSG_ERROR([--enable-java and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.]) + fi +fi + +AC_MSG_CHECKING([for parallel support files]) +case "X-$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([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 + + ## ---------------------------------------------------------------------- + ## Check for the MPI 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_Ibarrier/MPI_Issend/MPI_Iprobe/MPI_Irecv functions]) + + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <mpi.h> + ]], + [[ + int flag; + MPI_Init(0, (void *) 0); + MPI_Ibarrier(0, (void *) 0); + MPI_Issend((void *) 0, 0, 0, 0, 0, 0, (void *) 0); + MPI_Iprobe(0, 0, 0, &flag, (void *) 0); + MPI_Irecv((void *) 0, 0, 0, 0, 0, 0, (void *) 0); + ]] + )], + [AC_MSG_RESULT([yes]) + PARALLEL_FILTERED_WRITES=yes + AC_DEFINE([HAVE_PARALLEL_FILTERED_WRITES], [1], [Define if we have support for writing to filtered datasets in parallel])], + [AC_MSG_RESULT([no]) + AC_MSG_WARN([A simple MPI program using the MPI_Ibarrier, MPI_Issend, MPI_Iprobe and MPI_Irecv 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 + +## ---------------------------------------------------------------------- + +## Build parallel tools if parallel tools, parallel, and build tools options +## are all enabled. +## +AC_SUBST([PARALLEL_TOOLS]) + +## Default is no parallel tools +PARALLEL_TOOLS=no + +AC_MSG_CHECKING([parallel tools]) +AC_ARG_ENABLE([parallel-tools], + [AS_HELP_STRING([--enable-parallel-tools], + [Enable building parallel tools. + [default=no]])], + [PARALLEL_TOOLS=$enableval]) + +if test "X${PARALLEL_TOOLS}" = "Xyes"; then + if test "X${HDF5_TOOLS}" != "Xyes"; then + AC_MSG_ERROR([--enable-tools is required for --enable-parallel-tools]) + fi + if test "X${PARALLEL}" != "Xyes"; then + AC_MSG_ERROR([--enable-parallel is required for --enable-parallel-tools]) + fi +fi + +case "X-$PARALLEL_TOOLS" in + X-|X-no) + AC_MSG_RESULT([no]) + ;; + X-yes) + AC_MSG_RESULT([yes]) + ;; + *) + ;; +esac + +if test "X${PARALLEL_TOOLS}" = "Xyes"; then + ## Is the mpiFileUtils library (libmfu) required and available? + ## + AC_SUBST([H5DWALK_LDFLAGS]) + AC_SUBST([H5DWALK_LIBS]) + AC_SUBST([H5DWALK_CPPFLAGS]) + + H5DWALK_LDFLAGS="${H5DWALK_LDFLAGS}" + + ## Default is not present + HAVE_LIBMFU=no + + AC_ARG_WITH([libmfu], + [AS_HELP_STRING([--with-libmfu=DIR], + [Use the libmfu library [default=no]])],, + [withval=no]) + + case "X-$withval" in + X-yes) + HAVE_LIBMFU="yes" + AC_CHECK_HEADERS([mfu.h],, [unset HAVE_LIBMFU]) + if test "x$HAVE_LIBMFU" = "xyes"; then + AC_CHECK_LIB([mfu], [mfu_init], [H5DWALK_LIBS="-lmfu"], [unset HAVE_LIBMFU]) + fi + if test -z "$HAVE_LIBMFU" -a -n "$HDF5_CONFIG_ABORT"; then + AC_MSG_ERROR([couldn't find libmfu library]) + fi + ;; + X-|X-no|X-none) + HAVE_LIBMFU="no" + AC_MSG_CHECKING([for libmfu library]) + AC_MSG_RESULT([suppressed]) + ;; + *) + HAVE_LIBMFU="yes" + case "$withval" in + *,*) + libmfu_inc="`echo $withval |cut -f1 -d,`" + libmfu_lib="`echo $withval |cut -f2 -d, -s`" + ;; + *) + if test -n "$withval"; then + libmfu_inc="$withval/include" + libmfu_lib="$withval/lib64" + libcircle_lib="$withval/lib" + fi + ;; + esac + + saved_CPPFLAGS="$CPPFLAGS" + saved_AM_CPPFLAGS="$AM_CPPFLAGS" + saved_LDFLAGS="$LDFLAGS" + saved_AM_LDFLAGS="$AM_LDFLAGS" + + ## For these checks we need the libmfu locations added to CPPFLAGS, + ## AM_CPPFLAGS, LDFLAGS, and AM_LDFLAGS. The third param should set them + ## back to these saved values. If the checks pass, then normally these four + ## flag variables would be updated, but in this case we put the changes in + ## variables specific to H5DWALK since they aren't used elsewhere. + if test -n "$libmfu_inc"; then + CPPFLAGS="$CPPFLAGS -I$libmfu_inc" + AM_CPPFLAGS="$AM_CPPFLAGS -I$libmfu_inc" + fi + + if test -n "$libmfu_lib"; then + LDFLAGS="$LDFLAGS -L$libmfu_lib -L$libcircle_lib" + AM_LDFLAGS="$AM_LDFLAGS -L$libmfu_lib -L$libcircle_lib" + fi + + if test "x$HAVE_LIBMFU" = "xyes"; then + AC_CHECK_LIB([mfu], [mfu_init],[H5DWALK_LIBS="-lmfu"], [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_LIBMFU]) + if test -n "$HAVE_LIBMFU"; then + AC_CHECK_HEADERS([mfu.h],[H5DWALK_CPPFLAGS="-I$libmfu_inc"],[CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_LIBMFU]) + fi + fi + + if test -z "$HAVE_LIBMFU" -a -n "$HDF5_CONFIG_ABORT"; then + AC_MSG_ERROR([couldn't find libmfu library]) + else + H5DWALK_LDFLAGS="-L$libmfu_lib -L$libcircle_lib" + fi + + if test -z "$LD_LIBRARY_PATH"; then + export LD_LIBRARY_PATH="$libmfu_lib:$libcircle_lib" + else + export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$libmfu_lib:$libcircle_lib" + fi + + LL_PATH="$LD_LIBRARY_PATH" + ;; + esac +fi + +## +AM_CONDITIONAL([PARALLEL_TOOLS_CONDITIONAL], [test "X$HAVE_LIBMFU" = "Xyes"]) + +## ---------------------------------------------------------------------- +## 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 Subfiling I/O driver is enabled by --enable-subfiling-vfd +## +AC_SUBST([SUBFILING_VFD]) +AC_SUBST([HAVE_MERCURY]) + +## Default is no subfiling VFD +SUBFILING_VFD=no +HAVE_MERCURY="no" + +## Always include subfiling directory so public header files are available +CPPFLAGS="$CPPFLAGS -I$ac_abs_confdir/src/H5FDsubfiling" +AM_CPPFLAGS="$AM_CPPFLAGS -I$ac_abs_confdir/src/H5FDsubfiling" + +AC_MSG_CHECKING([if the subfiling I/O virtual file driver (VFD) is enabled]) + +AC_ARG_ENABLE([subfiling-vfd], + [AS_HELP_STRING([--enable-subfiling-vfd], + [Build the subfiling I/O virtual file driver (VFD). Requires --enable-parallel. + [default=no]])], + [SUBFILING_VFD=$enableval], [SUBFILING_VFD=no]) + +if test "X$SUBFILING_VFD" = "Xyes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_SUBFILING_VFD], [1], + [Define if the subfiling I/O virtual file driver (VFD) should be compiled]) + AC_DEFINE([HAVE_IOC_VFD], [1], + [Define if the I/O Concentrator virtual file driver (VFD) should be compiled]) + + if test "X${PARALLEL}" != "Xyes"; then + AC_MSG_ERROR([--enable-parallel is required for --enable-subfiling-vfd]) + fi + + ## ---------------------------------------------------------------------- + ## Check for MPI_Comm_split_type availability + ## + AC_MSG_CHECKING([for MPI_Comm_split_type function]) + + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <mpi.h> + ]], + [[ + MPI_Comm intra_comm; + MPI_Init(0, (void *) 0); + MPI_Comm_split_type(MPI_COMM_WORLD, MPI_COMM_TYPE_SHARED, 0, MPI_INFO_NULL, &intra_comm); + ]] + )], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + AC_MSG_ERROR([unable to link MPI program that uses MPI_Comm_split_type]) + ] + ) + + # Set-up mercury + HAVE_MERCURY="yes" + mercury_dir="$ac_abs_confdir/src/H5FDsubfiling/mercury" + mercury_inc="$mercury_dir/src/util" + + CPPFLAGS="$CPPFLAGS -I$mercury_inc" + AM_CPPFLAGS="$AM_CPPFLAGS -I$mercury_inc" + + HAVE_STDATOMIC_H="yes" + AC_CHECK_HEADERS([stdatomic.h],,[HAVE_STDATOMIC_H="no"]) + if test "x$HAVE_STDATOMIC_H" = "xno"; then + AC_MSG_ERROR([Subfiling VFD requires atomic operations support. C11 stdatomic.h NOT available.]) + fi + + # Checks for libraries. + AC_SEARCH_LIBS([shm_open], [rt]) + AC_CHECK_LIB([pthread], [pthread_self],[], [echo "Error: Required library pthread not found." && exit 1]) + +else + AC_MSG_RESULT([no]) +fi + +## Subfiling and IOC VFD files are not built if not required. +AM_CONDITIONAL([SUBFILING_VFD_CONDITIONAL], [test "X$SUBFILING_VFD" = "Xyes"]) +# IOC VFD is currently only built when subfiling is enabled +AM_CONDITIONAL([IOC_VFD_CONDITIONAL], [test "X$SUBFILING_VFD" = "Xyes"]) +# Mercury is currently only needed if subfiling is enabled +AM_CONDITIONAL([HAVE_MERCURY_CONDITIONAL], [test "X$HAVE_MERCURY" = "Xyes"]) + + +## ---------------------------------------------------------------------- +## Check if Direct I/O driver is enabled by --enable-direct-vfd +## +AC_SUBST([DIRECT_VFD]) + +## Default is no direct VFD +DIRECT_VFD=no + +AC_CACHE_VAL([hdf5_cv_direct_io], + AC_CHECK_DECL([O_DIRECT], [hdf5_cv_direct_io=yes], [hdf5_cv_direct_io=no], [[#include <fcntl.h>]])) +AC_CACHE_VAL([hdf5_cv_posix_memalign], + AC_CHECK_FUNC([posix_memalign], [hdf5_cv_posix_memalign=yes], [hdf5_cv_posix_memalign=no])) + +AC_MSG_CHECKING([if the direct I/O virtual file driver (VFD) is enabled]) + +AC_ARG_ENABLE([direct-vfd], + [AS_HELP_STRING([--enable-direct-vfd], + [Build the direct I/O virtual file driver (VFD). + This is based on the POSIX (sec2) VFD and + requires the open() call to take the O_DIRECT + flag. [default=no]])], + [DIRECT_VFD=$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 preferred 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 preferred 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.md file. +H5_VERSION="`cut -d' ' -f3 $srcdir/README.md | head -1`" +AC_SUBST([H5_VERSION]) + +## Configuration date +AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`" + +## User doing the configuration +AC_SUBST([CONFIG_USER]) CONFIG_USER="`whoami`@`hostname`" +if test -n "$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]) +AC_MSG_RESULT([$BUILD_ALL]) +AM_CONDITIONAL([BUILD_ALL_CONDITIONAL], [test "X$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-$DEPREC_SYMBOLS" in + X-yes) + AC_MSG_RESULT([yes]) + DEPRECATED_SYMBOLS=yes + ;; + X-no|*) + AC_MSG_RESULT([no]) + DEPRECATED_SYMBOLS=no + AC_DEFINE([NO_DEPRECATED_SYMBOLS], [1], + [Define if deprecated public API symbols are disabled]) + ;; +esac + +## -------------------------------------------------------------------------- +## Which version of the public APIs should the 'base' versioned symbols use? +## + +AC_SUBST([DEFAULT_API_VERSION]) +AC_MSG_CHECKING([which version of public symbols to use by default]) +AC_ARG_WITH([default-api-version], + [AS_HELP_STRING([--with-default-api-version=(default|v16|v18|v110|v112|v114|v116)], + [Specify default release version of public symbols + [default=v116]])],, + [withval=v116]) + +## Allowing "default" allows the GitHub CI to check that we didn't forget +## to change the defaults when creating a new major version +if test "X$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]) +elif test "X$withval" = "Xv116" -o "X$withval" = "Xdefault"; then + AC_MSG_RESULT([v116]) + DEFAULT_API_VERSION=v116 + AC_DEFINE([USE_116_API_DEFAULT], [1], + [Define using v1.16 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}" != "Xv116" -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 "${enable_embedded_libinfo}" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_EMBEDDED_LIBINFO], [1], + [Define if library information should be embedded in the executables]) + else + AC_MSG_RESULT([no]) + fi + + +## ---------------------------------------------------------------------- +## Restore user's CFLAGS. +CFLAGS="$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_TOOLS_HL_GIF_CONDITIONAL], [test "X$HDF5_HL_GIF_TOOLS" = "Xyes"]) +AM_CONDITIONAL([BUILD_DOXYGEN_CONDITIONAL], [test "X$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/test_abort_fail.sh + test/test_check_version.sh + test/test_error.sh + test/test_external_env.sh + test/test_flush_refresh.sh + test/test_libinfo.sh + test/test_links_env.sh + test/test_mirror.sh + test/test_plugin.sh + test/test_swmr.sh + test/test_use_cases.sh + test/test_vds_env.sh + test/test_vds_swmr.sh + testpar/Makefile + testpar/testpflush.sh + utils/Makefile + utils/mirror_vfd/Makefile + utils/test/Makefile + utils/tools/Makefile + utils/tools/h5dwalk/Makefile + utils/tools/test/Makefile + utils/tools/test/h5dwalk/Makefile + utils/tools/test/h5dwalk/copy_demo_files.sh + utils/tools/test/h5dwalk/testh5dwalk.sh + 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 + tools/test/h5import/Makefile + tools/test/h5import/h5importtestutil.sh + tools/test/h5diff/Makefile + tools/test/h5diff/h5diff_plugin.sh + tools/test/h5diff/testh5diff.sh + tools/test/h5diff/testph5diff.sh + tools/src/h5format_convert/Makefile + tools/test/h5format_convert/Makefile + tools/test/h5format_convert/testh5fc.sh + tools/test/h5jam/Makefile + tools/test/h5jam/testh5jam.sh + tools/test/h5repack/Makefile + tools/test/h5repack/h5repack.sh + tools/test/h5repack/h5repack_plugin.sh + tools/test/h5copy/Makefile + tools/test/h5copy/testh5copy.sh + tools/test/misc/Makefile + tools/test/misc/testh5clear.sh + tools/test/misc/testh5mkgrp.sh + tools/test/misc/testh5repart.sh + tools/test/misc/vds/Makefile + tools/test/h5stat/Makefile + tools/test/h5stat/testh5stat.sh + tools/src/h5perf/Makefile + tools/test/perform/Makefile + examples/Makefile + examples/run-c-ex.sh + examples/testh5cc.sh + bin/h5cc + bin/Makefile + c++/Makefile + c++/src/Makefile + c++/src/h5c++ + c++/test/Makefile + c++/test/H5srcdir_str.h + c++/examples/Makefile + c++/examples/run-c++-ex.sh + c++/examples/testh5c++.sh + fortran/Makefile + fortran/src/h5fc + fortran/src/Makefile + fortran/src/H5fort_type_defines.h + fortran/test/Makefile + fortran/testpar/Makefile + fortran/examples/Makefile + fortran/examples/run-fortran-ex.sh + fortran/examples/testh5fc.sh + java/Makefile + java/src/Makefile + java/src/jni/Makefile + java/test/Makefile + java/test/junit.sh + java/examples/Makefile + java/examples/intro/Makefile + java/examples/intro/JavaIntroExample.sh + java/examples/datasets/Makefile + java/examples/datasets/JavaDatasetExample.sh + java/examples/datatypes/Makefile + java/examples/datatypes/JavaDatatypeExample.sh + java/examples/groups/Makefile + java/examples/groups/JavaGroupExample.sh + hl/Makefile + hl/src/Makefile + hl/test/Makefile + hl/test/H5srcdir_str.h + hl/tools/Makefile + hl/tools/gif2h5/Makefile + hl/tools/gif2h5/h52giftest.sh + hl/tools/h5watch/Makefile + hl/tools/h5watch/testh5watch.sh + hl/examples/Makefile + hl/examples/run-hlc-ex.sh + hl/c++/Makefile + hl/c++/src/Makefile + hl/c++/test/Makefile + hl/c++/examples/Makefile + hl/c++/examples/run-hlc++-ex.sh + hl/fortran/Makefile + hl/fortran/src/Makefile + hl/fortran/test/Makefile + hl/fortran/examples/Makefile + hl/fortran/examples/run-hlfortran-ex.sh]) + +AC_CONFIG_FILES([utils/subfiling_vfd/h5fuse.sh], [chmod +x utils/subfiling_vfd/h5fuse.sh]) + +AC_CONFIG_COMMANDS([.classes], [], [$MKDIR_P java/src/.classes; + $MKDIR_P java/test/.classes; + $MKDIR_P java/examples/intro/.classes; + $MKDIR_P java/examples/datasets/.classes; + $MKDIR_P java/examples/datatypes/.classes; + $MKDIR_P java/examples/groups/.classes]) + +AC_OUTPUT + +chmod 755 bin/h5cc +if test "X$HDF_CXX" = "Xyes"; then + chmod 755 c++/src/h5c++ +fi + + +if test "X$HDF_FORTRAN" = "Xyes"; then + chmod 755 fortran/src/h5fc + ## libtool does not pass the correct argument linker (wl=) for the Intel Fortran compiler + ## on OS X, which is needed when building shared libraries on OS X. This script + ## replaces the 3rd occurrence, which is for Fortran, of wl="" with wl="-Wl," (HDFFV-2772) + case "`uname`" in + Darwin*) + cat libtool | awk '/wl=\"/{c++;if(c==3){sub("wl=\"\"","wl=\"-Wl,\"");c=0}}1' > libtool.tmp && mv -f libtool.tmp libtool && chmod 755 libtool + ;; + esac + + ### libtool does not pass the correct argument linking (-Wl,-Wl,,) for the NAG Fortran compiler + ### on Linux (other OSs have not been tested). + ### Therefore, detect if we are using the NAG Fortran compiler, and replace the wl="-Wl," for Fortran to + ### wl="-Wl,-Wl,," in the libtool file. (HDFFV-10037) + case "`uname`" in + Linux*) + if test "X$FC_BASENAME" = "Xnagfor"; then + cat libtool | awk '/BEGIN LIBTOOL TAG CONFIG: FC/{flag=1}flag&&/wl=/{$NF="wl=\"-Wl,-Wl,,\"";flag=0}1' > libtool.tmp && mv -f libtool.tmp libtool && chmod 755 libtool + fi + ;; + esac +fi + +## HDF5 configure code created by autotools with gcc 4.9.2 is adding problematic +## linker flags: -l with no library name; -l <libname>, specifically gfortran or m. +## This sed script corrects "-l <libname>" first and then "-l " with no library name. +## If the order is not preserved, all instances of "-l " will be removed. +sed -e '/^postdeps/ s/-l \([a-zA-Z]\)/-l\1/g' -e '/^postdeps/ s/-l //g' -i libtool + +## show the configure settings +cat src/libhdf5.settings |