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author | Vailin Choi <vchoi@hdfgroup.org> | 2013-04-11 22:12:12 (GMT) |
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committer | Vailin Choi <vchoi@hdfgroup.org> | 2013-04-11 22:12:12 (GMT) |
commit | 4ce17c9aa6515c32551104516b32caf8b0ce9f02 (patch) | |
tree | ca2237566b5b729f4d6a4545ffb2909d9d31309f /configure.in | |
parent | 5185d3a76aff8288d8eaceff31b483cbf897619e (diff) | |
download | hdf5-4ce17c9aa6515c32551104516b32caf8b0ce9f02.zip hdf5-4ce17c9aa6515c32551104516b32caf8b0ce9f02.tar.gz hdf5-4ce17c9aa6515c32551104516b32caf8b0ce9f02.tar.bz2 |
[svn-r23577] Bring revisions 22708:22730 from trunk to revise_chunks.
h5committested.
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 4540 |
1 files changed, 0 insertions, 4540 deletions
diff --git a/configure.in b/configure.in deleted file mode 100644 index 7e4c9e9..0000000 --- a/configure.in +++ /dev/null @@ -1,4540 +0,0 @@ -dnl Process this file with autoconf to produce configure. -dnl -dnl Copyright by The HDF Group. -dnl Copyright by the Board of Trustees of the University of Illinois. -dnl All rights reserved. -dnl -dnl This file is part of HDF5. The full HDF5 copyright notice, including -dnl terms governing use, modification, and redistribution, is contained in -dnl the files COPYING and Copyright.html. COPYING can be found at the root -dnl of the source code distribution tree; Copyright.html can be found at the -dnl root level of an installed copy of the electronic HDF5 document set and -dnl is linked from the top-level documents page. It can also be found at -dnl http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have -dnl access to either file, you may request a copy from help@hdfgroup.org. - -dnl ---------------------------------------------------------------------- -dnl Initialize configure. -dnl -AC_REVISION($Id$) -AC_PREREQ([2.53]) - -dnl AC_INIT takes the name of the package, the version number, and an -dnl email address to report bugs. AC_CONFIG_SRCDIR takes a unique file -dnl as its argument. -dnl -dnl NOTE: Don't forget to change the version number here when we do a -dnl release!!! -dnl -AC_INIT([HDF5], [1.9.127-FA_a5], [help@hdfgroup.org]) -AC_CONFIG_SRCDIR([src/H5.c]) -AM_CONFIG_HEADER([src/H5config.h]) - -AC_CONFIG_AUX_DIR([bin]) -AC_CONFIG_MACRO_DIR([m4]) - -dnl AM_INIT_AUTOMAKE takes a list of options that should be applied to -dnl every Makefile.am when automake is run. -AM_INIT_AUTOMAKE([foreign]) -AM_SILENT_RULES([yes]) - -dnl AM_MAINTAINER_MODE turns off "rebuild rules" that contain dependencies -dnl for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE -dnl is *not* included here, these files will be rebuilt if out of date. -dnl This is a problem because if users try to build on a machine with -dnl the wrong versions of autoconf and automake, these files will be -dnl rebuilt with the wrong versions and bad things can happen. -dnl Also, CVS doesn't preserve dependencies between timestamps, so -dnl Makefiles will often think rebuilding needs to occur when it doesn't. -dnl Developers should './configure --enable-maintainer-mode' to turn on -dnl rebuild rules. -AM_MAINTAINER_MODE - -dnl Run post processing on files created by configure. -dnl src/H5pubconf.h: -dnl Generate src/H5pubconf.h from src/H5config.h by prepending H5_ to all -dnl macro names. This avoid name conflict between HDF5 macro names and those -dnl generated by another software package that uses the HDF5 library. -dnl src/libhdf5.settings: -dnl Remove all lines begun with "#" which are generated by CONDITIONAL's of -dnl configure. -AC_OUTPUT_COMMANDS([ - echo "creating src/H5pubconf.h" - sed 's/#define /#define H5_/' <src/H5config.h |\ - sed 's/#undef /#undef H5_/' >pubconf - if test ! -f src/H5pubconf.h; then - /bin/mv -f pubconf src/H5pubconf.h - elif (diff pubconf src/H5pubconf.h >/dev/null); then - rm -f pubconf - echo "src/H5pubconf.h is unchanged" - else - /bin/mv -f pubconf src/H5pubconf.h - fi - echo "Post process src/libhdf5.settings" - sed '/^#/d' < src/libhdf5.settings > libhdf5.settings.TMP - cp libhdf5.settings.TMP src/libhdf5.settings - rm -f libhdf5.settings.TMP -]) - -dnl It's possible to configure for a host other than the one on which -dnl configure is currently running by using the --host=foo flag. -dnl For machines on which HDF5 is often configured, it can be convenient -dnl to specify the name of the machine rather than its canonical type. -case $host_alias in - redstorm) - host_alias=x86_64-redstorm-linux-gnu - ;; -esac - -AC_CANONICAL_HOST -AC_SUBST([CPPFLAGS]) - -dnl H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but -dnl not exported to h5cc (or h5fc, etc.) -AC_SUBST([H5_CFLAGS]) -AC_SUBST([H5_CPPFLAGS]) -AC_SUBST([H5_FCFLAGS]) -AC_SUBST([H5_CXXFLAGS]) -AC_SUBST([H5_LDFLAGS]) - -dnl AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5, -dnl and WILL be exported to h5cc (or h5fc, etc) if set by configure. -AC_SUBST([AM_CFLAGS]) -AC_SUBST([AM_FCFLAGS]) -AC_SUBST([AM_CXXFLAGS]) -AC_SUBST([AM_CPPFLAGS]) -AC_SUBST([AM_LDFLAGS]) - -dnl Make sure flags are set to something (otherwise macros may set them later). -AM_CFLAGS="${AM_CFLAGS}" -AM_CXXFLAGS="${AM_CXXFLAGS}" -AM_FCFLAGS="${AM_FCFLAGS}" -AM_CPPFLAGS="${AM_CPPFLAGS}" -AM_LDFLAGS="${AM_LDFLAGS}" -CFLAGS="${CFLAGS}" -CXXFLAGS="${CXXFLAGS}" -FCFLAGS="${FCFLAGS}" -CPPFLAGS="${CPPFLAGS}" -LDFLAGS="${LDFLAGS}" - -dnl Configure may need to alter any of the *FLAGS variables in order for -dnl various checks to work correctly. Save the user's value here so it -dnl can be restored once all configure checks are complete. -saved_user_CFLAGS="$CFLAGS" -saved_user_CXXFLAGS="$CXXFLAGS" -saved_user_FCFLAGS="$FCFLAGS" -saved_user_LDFLAGS="$LDFLAGS" -saved_user_CPPFLAGS="$CPPFLAGS" - -dnl Different compilers may need default libraries. They are specified in -dnl the config/* files, so we put this statement here so that it'll be -dnl set by the code which follows... -dnl -DEFAULT_LIBS="" - -dnl Support F9X variable to define Fortran compiler if FC variable is -dnl not used. This should be deprecated in the future. -if test "x" = "x$FC"; then - FC=${F9X} -fi - -dnl ---------------------------------------------------------------------- -dnl Set prefix default (install directory) to a directory in the build area. -dnl This allows multiple src-dir builds within one host. -AC_PREFIX_DEFAULT([`pwd`/hdf5]) - -dnl ---------------------------------------------------------------------- -dnl Dump all shell variables values. -dnl -AC_MSG_CHECKING([shell variables initial values]) -set >&AS_MESSAGE_LOG_FD -AC_MSG_RESULT([done]) - -dnl Define all symbol variables used for configure summary. -dnl EXTERNAL_FILTERS equals all external filters. Default none. -dnl MPE: whether MPE option is enabled. Default no. -dnl STATIC_EXEC: whether static-exec is enabled. Default no. -dnl HDF_FORTRAN: whether Fortran is enabled. Default no. -dnl HDF_FORTRAN2003: whether Fortran 2003 is enabled. Default no. -dnl FC: Fortran compiler. -dnl HDF_CXX: whether C++ is enabled. Default no. -dnl CXX: C++ compiler. -dnl HDF5_HL: whether high-level library is enabled. Default is yes. -dnl GPFS: whether gpfs is enabled. Default no. -dnl LARGEFILE: whether largefile support is enabled. Default yes. -dnl INSTRUMENT: whether INSTRUMENT is enabled. No default set here. -dnl CODESTACK: whether CODESTACK is enabled. Default no. -dnl HAVE_DMALLOC: whether system has dmalloc support. Default no. -dnl DIRECT_VFD: whether DIRECT_VFD is enabled. Default no. -dnl THREADSAFE: whether THREADSAFE is enabled. Default no. -dnl STATIC_SHARED: whether static and/or shared libraries are requested. -dnl enable_shared: whether shared lib is enabled. -dnl enable_static: whether static lib is enabled. -dnl UNAME_INFO: System information. - -AC_SUBST(EXTERNAL_FILTERS) -AC_SUBST(MPE) MPE=no -AC_SUBST(STATIC_EXEC) STATIC_EXEC=no -AC_SUBST(HDF_FORTRAN) HDF_FORTRAN=no -AC_SUBST(HDF_FORTRAN2003) HDF_FORTRAN2003=no -AC_SUBST(FC) HDF_FORTRAN=no -AC_SUBST(FC2003) HDF_FORTRAN2003=no -AC_SUBST(HDF_CXX) HDF_CXX=no -AC_SUBST(CXX) HDF_CXX=no -AC_SUBST(HDF5_HL) HDF5_HL=yes -AC_SUBST(GPFS) GPFS=no -AC_SUBST(LARGEFILE) LARGEFILE=yes -AC_SUBST(INSTRUMENT) -AC_SUBST(CODESTACK) CODESTACK=no -AC_SUBST(HAVE_DMALLOC) HAVE_DMALLOC=no -AC_SUBST(DIRECT_VFD) DIRECT_VFD=no -AC_SUBST(THREADSAFE) THREADSAFE=no -AC_SUBST(STATIC_SHARED) -AC_SUBST(enable_shared) -AC_SUBST(enable_static) -AC_SUBST(UNAME_INFO) UNAME_INFO=`uname -a` - -dnl ---------------------------------------------------------------------- -dnl Some platforms have broken basename, and/or xargs programs. Check -dnl that it actually does what it's supposed to do. Catch this early -dnl since configure relies upon them heavily and there's no use continuing -dnl if it's broken. -dnl - -dnl Avoid depending upon Character Ranges. -dnl These are defined by autoconf. -dnl as_cr_letters='abcdefghijklmnopqrstuvwxyz' -dnl as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' - -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 - -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 - -dnl ---------------------------------------------------------------------- -dnl Check that the cache file was build on the same host as what we're -dnl running on now. -dnl -AC_CACHE_CHECK([for cached host], [hdf5_cv_host], [hdf5_cv_host="none"]); -if test $hdf5_cv_host = "none"; then - hdf5_cv_host=$host -elif test $hdf5_cv_host != $host; then - echo "The config.cache file was generated on $hdf5_cv_host but" - echo "this is $host. Please remove that file and try again." - AC_MSG_ERROR(config.cache file is invalid) -fi - -dnl ---------------------------------------------------------------------- -dnl Source any special files that we need. These files normally aren't -dnl present but can be used by the maintainers to fine tune things like -dnl turning on debug or profiling flags for the compiler. The search order -dnl is: -dnl -dnl CPU-VENDOR-OS -dnl VENDOR-OS -dnl CPU-OS -dnl CPU-VENDOR -dnl OS -dnl VENDOR -dnl CPU -dnl -dnl If the `OS' ends with a version number then remove it. For instance, -dnl `freebsd3.1' would become `freebsd' - -case $host_os in - aix*) - host_os_novers=aix - ;; - freebsd*) - host_os_novers=freebsd - ;; - irix5.*) - host_os_novers=irix5.x - ;; - irix6.*) - host_os_novers=irix6.x - ;; - osf4.*) - host_os_novers=osf4.x - ;; - osf5.*) - host_os_novers=osf5.x - ;; - solaris2.*) - host_os_novers=solaris2.x - ;; - *) - host_os_novers=$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`" - . $host_config -fi - -dnl Source any special site-specific file -hname="`hostname`" -while test -n "$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" = "$hname" && break -done - -dnl ---------------------------------------------------------------------- -dnl Some built-in configure checks can only see CFLAGS (not AM_CFLAGS), so -dnl we need to add this in so configure works as intended. We will need to -dnl reset this value at the end of configure, to preserve the user's settings. -CFLAGS="${AM_CFLAGS} ${CFLAGS}" -FCFLAGS="${AM_FCFLAGS} ${FCFLAGS}" -CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}" -CPPFLAGS="${AM_CPPFLAGS} ${CPPFLAGS}" -LDFLAGS="${AM_LDFLAGS} ${LDFLAGS}" - -dnl ---------------------------------------------------------------------- -dnl Enable dependency tracking unless the configure options or a -dnl site-specific file told us not to. This prevents configure from -dnl silently disabling dependencies for some compilers. -dnl -if test -z "${enable_dependency_tracking}"; then - enable_dependency_tracking="yes" -fi - -dnl ---------------------------------------------------------------------- -dnl Check for programs. -dnl -AC_PROG_CC -CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`" - -dnl ---------------------------------------------------------------------------- -dnl Configure disallows unsupported combinations of options. However, users -dnl may want to override and build with unsupported combinations for their -dnl own use. They can use the --enable-unsupported configure flag, which -dnl ignores any errors from configure due to incompatible flags. -AC_MSG_CHECKING([if unsupported combinations of configure options are allowed]) -AC_ARG_ENABLE([unsupported], - [AC_HELP_STRING([--enable-unsupported], - [Allow unsupported combinations of configure options])], - [ALLOW_UNSUPPORTED=$enableval]) - -case "X-$ALLOW_UNSUPPORTED" in - X-|X-no) - AC_MSG_RESULT([no]) - ;; - X-yes) - AC_MSG_RESULT([yes]) - ;; - *) - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Check if they would like the Fortran interface compiled -dnl -AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES="" -AC_MSG_CHECKING([if Fortran interface enabled]) -AC_ARG_ENABLE([fortran], - [AC_HELP_STRING([--enable-fortran], - [Compile the Fortran 77/90/95 interface [default=no]])], - [HDF_FORTRAN=$enableval]) - -if test "X$HDF_FORTRAN" = "Xyes"; then - echo "yes" -else - echo "no" -fi - - -dnl ---------------------------------------------------------------------- -dnl Check if they would like the Fortran 2003 interface compiled -dnl -AC_MSG_CHECKING([if Fortran 2003 interface enabled]) -AC_ARG_ENABLE([fortran2003], - [AC_HELP_STRING([--enable-fortran2003], - [Compile the Fortran 2003 interface, must also specify --enable-fortran [default=no]])], - [HDF_FORTRAN2003=$enableval]) - -dnl ---------------------------------------------------------------------- -dnl Check to make sure --enable-fortran is present if --enable-fortran2003 -dnl was specified - -if test "X$HDF_FORTRAN2003" = "Xyes" && test "X$HDF_FORTRAN" = "Xno"; then - echo "no" - AC_MSG_ERROR([--enable-fortran must be used with --enable-fortran2003]) -else - echo "yes" -fi - -HAVE_SIZEOF="no" -FORTRAN_DEFAULT_REALisDBLE="no" - -if test "X$HDF_FORTRAN" = "Xyes"; then - - AC_SUBST(FC) HDF_FORTRAN=yes - AC_SUBST([HAVE_FORTRAN_2003]) - - HDF5_INTERFACES="$HDF5_INTERFACES fortran" - - dnl -------------------------------------------------------------------- - dnl Default for FORTRAN 2003 compliant compilers - dnl - HAVE_FORTRAN_2003="no" - HAVE_F2003_REQUIREMENTS="no" - - dnl -------------------------------------------------------------------- - dnl HDF5 integer variables for the H5fortran_types.f90 file. - dnl - 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]) - - dnl -------------------------------------------------------------------- - dnl General Fortran flags - dnl - AM_FCFLAGS="${AM_FCFLAGS} ${FFLAGS}" - FCFLAGS="${FCFLAGS} ${FFLAGS}" - - dnl -------------------------------------------------------------------- - dnl Fortran source extention - dnl - AC_FC_SRCEXT([f90]) - - AC_SUBST([F9XSUFFIXFLAG]) - AC_SUBST([FSEARCH_DIRS]) - - dnl -------------------------------------------------------------------- - dnl Check for a Fortran 9X compiler and how to include modules. - dnl - AC_PROG_FC([f90 pgf90 slf90 f95 g95 xlf95 efc ifort ftn],) - AC_F9X_MODS - - dnl It seems that libtool (as of Libtool 1.5.14) is trying to - dnl configure itself for Fortran 77. - dnl Tell it that our F77 compiler is $FC (actually a F9X compiler) - F77=$FC - - dnl Change to the Fortran 90 language - AC_LANG_PUSH(Fortran) - - dnl -------------------------------------------------------------------- - dnl Define wrappers for the C compiler to use Fortran function names - dnl - AC_FC_WRAPPERS - - dnl -------------------------------------------------------------------- - dnl See if the compiler will support the "-I." option - dnl - dnl AM_FCFLAGS_saved=$AM_FCFLAGS - dnl AM_FCFLAGS="${AM_FCFLAGS} -I." - - dnl AC_MSG_CHECKING(if compiler supports -I. option) - dnl AC_TRY_FCOMPILE([ - dnl program conftest - dnl end - dnl ], AC_MSG_RESULT(yes), - dnl AC_MSG_RESULT(no) - dnl AM_FCFLAGS="$AM_FCFLAGS_saved") - - dnl -------------------------------------------------------------------- - dnl See if the fortran compiler supports the intrinsic function "SIZEOF" - - AC_MSG_CHECKING([if Fortran compiler supports intrinsic SIZEOF]) - AC_TRY_RUN([ - PROGRAM main - i = sizeof(x) - END PROGRAM - ], [AC_MSG_RESULT(yes) - HAVE_SIZEOF="yes"], - AC_MSG_RESULT(no)) - - dnl Check to see if -r8 was specified to determine if we need to - dnl compile the DOUBLE PRECISION interfaces. - - AC_MSG_CHECKING([if Fortran default REAL is DOUBLE PRECISION]) - - AC_TRY_RUN([ - MODULE type_mod - INTERFACE h5t - MODULE PROCEDURE h5t_real - MODULE PROCEDURE h5t_dble - END INTERFACE - CONTAINS - SUBROUTINE h5t_real(r) - REAL :: r - END SUBROUTINE h5t_real - SUBROUTINE h5t_dble(d) - DOUBLE PRECISION :: d - END SUBROUTINE h5t_dble - END MODULE type_mod - PROGRAM main - USE type_mod - REAL :: r - DOUBLE PRECISION :: d - CALL h5t(r) - CALL h5t(d) - END PROGRAM main - ], - AC_MSG_RESULT(no), - [AC_MSG_RESULT(yes) - FORTRAN_DEFAULT_REALisDBLE="yes"]) - - if test "X$HDF_FORTRAN2003" = "Xyes"; then - - dnl Checking if the compiler supports the required Fortran 2003 features and - dnl disable Fortran 2003 if it does not. - - AC_MSG_CHECKING([if Fortran compiler version compatible with Fortran 2003 HDF]) - HAVE_FORTRAN_2003="no" - - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[ - - USE iso_c_binding - IMPLICIT NONE - TYPE(C_PTR) :: ptr - TYPE(C_FUNPTR) :: funptr - CHARACTER(LEN=80, KIND=c_char), TARGET :: ichr - - ptr = C_LOC(ichr(1:1)) - - ])], - [AC_MSG_RESULT(yes) - HAVE_F2003_REQUIREMENTS=[yes]], - [AC_MSG_RESULT(no)]) - - if test "X$HAVE_F2003_REQUIREMENTS" = "Xno"; then - dnl echo $HAVE_FORTRAN_2003 - AC_MSG_ERROR([Fortran compiler lacks required Fortran 2003 features; unsupported Fortran 2003 compiler, remove --enable-fortran2003]) - else - HAVE_FORTRAN_2003="yes" - dnl echo $HAVE_FORTRAN_2003 - fi - - fi -else - FC="no" -fi - -dnl Change back to the C language -AC_LANG_POP(Fortran) - -AM_CONDITIONAL([FORTRAN_HAVE_SIZEOF], [test "X$HAVE_SIZEOF" = "Xyes"]) -AM_CONDITIONAL([FORTRAN_2003_CONDITIONAL_F], [test "X$HAVE_FORTRAN_2003" = "Xyes"]) -AM_CONDITIONAL([FORTRAN_DEFAULT_REALisDBLE_F], [test "X$FORTRAN_DEFAULT_REALisDBLE" = "Xyes"]) - -dnl ---------------------------------------------------------------------- -dnl Check if they would like the C++ interface compiled -dnl -dnl We need to check for a C++ compiler unconditionally, since -dnl AC_PROG_CXX defines some macros that Automake 1.9.x uses and will -dnl miss even if c++ is not enabled. - AC_PROG_CXX - AC_PROG_CXXCPP dnl this is checked for when AC_HEADER_STDC is done - -AC_MSG_CHECKING([if c++ interface enabled]) - -AC_ARG_ENABLE([cxx], - [AC_HELP_STRING([--enable-cxx], - [Compile the C++ interface [default=no]])], - [HDF_CXX=$enableval]) - -if test "X$HDF_CXX" = "Xyes"; then - echo "yes" - HDF5_INTERFACES="$HDF5_INTERFACES c++" - - dnl Change to the C++ language - AC_LANG_PUSH(C++) - - AC_MSG_CHECKING([if $CXX needs old style header files in includes]) - AC_TRY_RUN([ -#include <iostream> - -int main(void) { return 0; } - ], [ - echo no - ], [ - echo yes - CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME" - AM_CXXFLAGS="${AM_CXXFLAGS} -DOLD_HEADER_FILENAME" - ]) - - AC_MSG_CHECKING([if $CXX can handle namespaces]) - AC_TRY_RUN([ -namespace H5 { -int fnord; -} - -int main(void) { - using namespace H5; - fnord = 37; - return 0; -} - ], [ - echo yes - ], [ - echo no - CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE" - AM_CXXFLAGS="${AM_CXXFLAGS} -DH5_NO_NAMESPACE" - ]) - - AC_MSG_CHECKING([if $CXX supports std]) - AC_TRY_RUN([ -#include <string> - -using namespace std; - -int main(void) { - string myString("testing namespace std"); - return 0; -} - ], [ - echo yes - ], [ - echo no - CXXFLAGS="${CXXFLAGS} -DH5_NO_STD" - AM_CXXFLAGS="${AM_CXXFLAGS} -DH5_NO_STD" - ]) - - AC_MSG_CHECKING([if $CXX supports bool types]) - AC_TRY_RUN([ -int main(void) { - bool flag; - return 0; -} - ], [ - echo yes - ], [ - echo no - CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED" - AM_CXXFLAGS="${AM_CXXFLAGS} -DBOOL_NOTDEFINED" - ]) - - AC_MSG_CHECKING([if $CXX has offsetof extension]) - AC_TRY_COMPILE([ - #include <stdio.h> - #include <stddef.h> - ],[ - struct index_st - { - unsigned char type; - unsigned char num; - unsigned int len; - }; - typedef struct index_st index_t; - int x,y; - x = offsetof(struct index_st, len); - y = offsetof(index_t, num) - ], - AC_DEFINE([CXX_HAVE_OFFSETOF], [1], - [Define if C++ compiler recognizes offsetof]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no])) - - AC_MSG_CHECKING([if $CXX can handle static cast]) - AC_TRY_RUN([ -int main(void) { - float test_float; - int test_int; - test_float = 37.0; - test_int = static_cast <int> (test_float); - return 0; -} - ], [ - echo yes - ], [ - echo no - CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST" - AM_CXXFLAGS="${AM_CXXFLAGS} -DNO_STATIC_CAST" - ]) -else - echo "no" - CXX="no" -fi - -dnl Change back to the C language -AC_LANG_POP(C++) - -dnl ---------------------------------------------------------------------- -dnl Check if they have Perl installed on their system. We only need Perl -dnl if they're using a GNU compiler. -dnl -AC_SUBST([PERL]) PERL="" -if test "X$GCC" = "Xyes"; then - AC_CHECK_PROGS([PERL], [perl],, [$PATH]) -fi - - -dnl ---------------------------------------------------------------------- -dnl Check which archiving tool to use. This needs to be done before -dnl the AM_PROG_LIBTOOL macro. -dnl - -if test -z "$AR"; then - AC_CHECK_PROGS([AR], [ar xar], [:], [$PATH]) -fi -AC_SUBST([AR]) - -dnl Export the AR macro so that it will be placed in the libtool file -dnl correctly. -export AR - -AC_PROG_MAKE_SET -AC_PROG_INSTALL - - -dnl ---------------------------------------------------------------------- -dnl Check that the tr utility is working properly. - -AC_PATH_PROG(TR, tr) - -TR_TEST=`echo Test | ${TR} ${as_cr_letters}"," ${as_cr_LETTERS}" "` -if test "X${TR_TEST}" != "XTEST"; then - AC_MSG_ERROR([tr program doesn't work]) -fi - - -dnl ---------------------------------------------------------------------- -dnl Check that time can be used with srcdir. 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The custom - dnl macro additionally adds the appropriate defines to AM_CPPFLAGS - dnl so that later configure checks have them visible. - - dnl 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]) - - dnl Check for _LARGE_FILES - if test $ac_cv_sys_file_offset_bits = unknown; then - _AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, - ac_cv_sys_large_files, - [Define for large files, on AIX-style hosts.], - [_AC_SYS_LARGEFILE_TEST_INCLUDES]) - fi - - dnl Now actually test to see if we can create large files after we've - dnl checked for any needed defines. - AC_MSG_CHECKING([if large (64-bit) files are supported on this system.]) - AC_CACHE_VAL([hdf5_cv_have_lfs], - [AC_TRY_RUN([ - #include <stdio.h> - #include <unistd.h> - #include <stdlib.h> - #include <fcntl.h> - #define BIG_FILE (off_t)0x80000000UL - int main(void) { - int fd; - if ((fd=open("test.conf", O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) exit(1); - if (lseek(fd, BIG_FILE, SEEK_SET)!=BIG_FILE) exit(1); - if (5!=write(fd, "hello", (size_t)5)) exit(1); - if (lseek(fd, 2*BIG_FILE, SEEK_SET) != 2*BIG_FILE) exit(1); - if (5!=write(fd, "hello", (size_t)5)) exit(1); - if (unlink("test.conf") < 0) exit(1); - exit(0); - } - ],[hdf5_cv_have_lfs=yes],[hdf5_cv_have_lfs=no],)]) - - if test "X${hdf5_cv_have_lfs}" = "Xyes"; then - AC_MSG_RESULT([yes]) - LARGEFILE="yes" - fi - if test "X${hdf5_cv_have_lfs}" = "Xno"; then - AC_MSG_RESULT([no]) - LARGEFILE="no" - fi - -else - LARGEFILE="no" - AC_MSG_RESULT(no) -fi - -dnl ---------------------------------------------------------------------- -dnl Add necessary defines for Linux Systems. -dnl -case "$host_cpu-$host_vendor-$host_os" in - *linux*) - dnl If largefile support is enabled, then make available various - dnl LFS-related routines using the following _LARGEFILE*_SOURCE macros. - if test "X$LARGEFILE" != "Xno"; then - AM_CPPFLAGS="-D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $AM_CPPFLAGS" - fi - - dnl Add POSIX support on Linux systems, so <features.h> defines - dnl __USE_POSIX, which is required to get the prototype for fdopen - dnl defined correctly in <stdio.h>. - dnl This flag was removed from h5cc as of 2009-10-17 when it was found - dnl that the flag broke compiling netCDF-4 code with h5cc, but kept in - dnl H5_CPPFLAGS because fdopen and HDfdopen fail without it. 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When the flag was removed this was - dnl the only compile failure noted. - dnl This was originally defined as _POSIX_SOURCE which was updated to - dnl _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX - dnl functionality so clock_gettime and CLOCK_MONOTONIC are defined - dnl correctly. - dnl POSIX feature information can be found in the gcc manual at: - dnl http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html - H5_CPPFLAGS="-D_POSIX_C_SOURCE=199506L $H5_CPPFLAGS" - - dnl Also add BSD support on Linux systems, so <features.h> defines - dnl __USE_BSD, which is required to get the prototype for strdup - dnl defined correctly in <string.h> and snprintf & vsnprintf defined - dnl correctly in <stdio.h> - dnl Linking to the bsd-compat library is required as per the gcc manual: - dnl http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html - dnl however, we do not do this since it breaks the big test on some - dnl older platforms. - AM_CPPFLAGS="-D_BSD_SOURCE $AM_CPPFLAGS" - ;; -esac - -dnl Need to add the AM_ and H5_ into CPFLAGS/CPPFLAGS to make them visible -dnl for configure checks. -dnl Note: Both will be restored by the end of configure. -CPPFLAGS="$H5_CPPFLAGS $AM_CPPFLAGS $CPPFLAGS" -CFLAGS="$H5_CFLAGS $AM_CFLAGS $CFLAGS" - -AC_TRY_COMPILE([#include <sys/types.h>], - [off64_t n = 0;], - [AC_CHECK_FUNCS([lseek64 fseeko64 ftello64 ftruncate64])], - [AC_MSG_RESULT([skipping test for lseek64(), fseeko64 , ftello64, ftruncate64() because off64_t is not defined])]) -AC_CHECK_FUNCS(fseeko ftello) -AC_TRY_COMPILE([ -#include <sys/types.h> -#include <sys/stat.h>], -[struct stat64 sb;], -[AC_CHECK_FUNCS([stat64 fstat64])], -[AC_MSG_RESULT([skipping test for stat64() and fstat64()])]) - -dnl ---------------------------------------------------------------------- -dnl Data types and their sizes. -dnl -AC_TYPE_OFF_T -AC_CHECK_TYPE([size_t], [unsigned long]) -AC_CHECK_TYPE([ssize_t], [long]) -AC_CHECK_TYPE([ptrdiff_t], [long]) -AC_C_BIGENDIAN -AC_CHECK_SIZEOF([char], [1]) -AC_CHECK_SIZEOF([short], [2]) -AC_CHECK_SIZEOF([int], [4]) -AC_CHECK_SIZEOF([unsigned], [4]) -AC_CHECK_SIZEOF([long], [4]) -AC_CHECK_SIZEOF([long long], [8]) -AC_CHECK_SIZEOF([__int64], [8]) -AC_CHECK_SIZEOF([float], [4]) -AC_CHECK_SIZEOF([double], [8]) -AC_CHECK_SIZEOF([long double], [8]) - -dnl Checkpoint the cache -AC_CACHE_SAVE - -dnl Posix.1g types (C9x) -cat >>confdefs.h <<\EOF -#include <sys/types.h> -EOF - -if test "X$C9x" = "Xyes"; then - cat >>confdefs.h <<\EOF -#include <stdint.h> -EOF -fi - -AC_CHECK_SIZEOF( int8_t, [1]) -AC_CHECK_SIZEOF( uint8_t, [1]) -AC_CHECK_SIZEOF( int_least8_t, [1]) -AC_CHECK_SIZEOF( uint_least8_t, [1]) -AC_CHECK_SIZEOF( int_fast8_t, [1]) -AC_CHECK_SIZEOF( uint_fast8_t, [1]) - -AC_CHECK_SIZEOF( int16_t, [2]) -AC_CHECK_SIZEOF( uint16_t, [2]) -AC_CHECK_SIZEOF( int_least16_t, [2]) -AC_CHECK_SIZEOF(uint_least16_t, [2]) -AC_CHECK_SIZEOF( int_fast16_t, [2]) -AC_CHECK_SIZEOF( uint_fast16_t, [2]) - -AC_CHECK_SIZEOF( int32_t, [4]) -AC_CHECK_SIZEOF( uint32_t, [4]) -AC_CHECK_SIZEOF( int_least32_t, [4]) -AC_CHECK_SIZEOF(uint_least32_t, [4]) -AC_CHECK_SIZEOF( int_fast32_t, [4]) -AC_CHECK_SIZEOF( uint_fast32_t, [4]) - -AC_CHECK_SIZEOF( int64_t, [8]) -AC_CHECK_SIZEOF( uint64_t, [8]) -AC_CHECK_SIZEOF( int_least64_t, [8]) -AC_CHECK_SIZEOF(uint_least64_t, [8]) -AC_CHECK_SIZEOF( int_fast64_t, [8]) -AC_CHECK_SIZEOF( uint_fast64_t, [8]) - -AC_CHECK_SIZEOF([size_t], [4]) -AC_CHECK_SIZEOF([ssize_t], [4]) -AC_CHECK_SIZEOF([ptrdiff_t], [4]) - -cat >>confdefs.h <<\EOF -#include <sys/types.h> /*for off_t definition*/ -EOF -AC_CHECK_SIZEOF([off_t], [4]) -AC_CHECK_SIZEOF([off64_t], [8]) - -dnl Checkpoint the cache -AC_CACHE_SAVE - -dnl ---------------------------------------------------------------------- -dnl Check if the dev_t type is a scalar type (must come after the check for -dnl sys/types.h) -AC_MSG_CHECKING([if dev_t is scalar]) -AC_TRY_COMPILE([ -#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) -) - -dnl ---------------------------------------------------------------------- -dnl Fake --with-xxx option to allow us to create a help message for the -dnl following --with-xxx options which can take either a =DIR or =INC,LIB -dnl specifier. -dnl -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 - ]) - -dnl ---------------------------------------------------------------------- -dnl Is the dmalloc present? It has a header file `dmalloc.h' and a library -dnl `-ldmalloc' and their locations might be specified with the `--with-dmalloc' -dnl command-line switch. The value is an include path and/or a library path. -dnl If the library path is specified then it must be preceded by a comma. -dnl -AC_ARG_WITH([dmalloc], - [AC_HELP_STRING([--with-dmalloc=DIR], - [Use dmalloc memory debugging aid [default=no]])],, - withval=no) - -case $withval in - yes) - HAVE_DMALLOC="yes" - AC_CHECK_HEADERS(dmalloc.h) - AC_CHECK_LIB(dmalloc, dmalloc_shutdown,, unset HAVE_DMALLOC) - - if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then - AC_MSG_ERROR(couldn't find dmalloc library) - fi - ;; - no) - HAVE_DMALLOC="no" - AC_MSG_CHECKING(for dmalloc library) - AC_MSG_RESULT(suppressed) - ;; - *) - HAVE_DMALLOC="yes" - case "$withval" in - *,*) - dmalloc_inc="`echo $withval |cut -f1 -d,`" - dmalloc_lib="`echo $withval |cut -f2 -d, -s`" - ;; - *) - if test -n "$withval"; then - dmalloc_inc="$withval/include" - dmalloc_lib="$withval/lib" - fi - ;; - esac - - dnl Trying to include -I/usr/include and -L/usr/lib is redundant and - dnl can mess some compilers up. - if test "X$dmalloc_inc" = "X/usr/include"; then - dmalloc_inc="" - fi - if test "X$dmalloc_lib" = "X/usr/lib"; then - dmalloc_lib="" - fi - - saved_CPPFLAGS="$CPPFLAGS" - saved_AM_CPPFLAGS="$AM_CPPFLAGS" - saved_LDFLAGS="$LDFLAGS" - saved_AM_LDFLAGS="$AM_LDFLAGS" - - if test -n "$dmalloc_inc"; then - CPPFLAGS="$CPPFLAGS -I$dmalloc_inc" - AM_CPPFLAGS="$AM_CPPFLAGS -I$dmalloc_inc" - fi - - AC_CHECK_HEADERS(dmalloc.h,,CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS") - - if test -n "$dmalloc_lib"; then - LDFLAGS="$LDFLAGS -L$dmalloc_lib" - AM_LDFLAGS="$AM_LDFLAGS -L$dmalloc_lib" - fi - - AC_CHECK_LIB(dmalloc, dmalloc_shutdown,, LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_DMALLOC) - - if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then - AC_MSG_ERROR(couldn't find dmalloc library) - fi - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Is the GNU zlib present? It has a header file `zlib.h' and a library -dnl `-lz' and their locations might be specified with the `--with-zlib' -dnl command-line switch. The value is an include path and/or a library path. -dnl If the library path is specified then it must be preceded by a comma. -dnl -AC_SUBST(USE_FILTER_DEFLATE) USE_FILTER_DEFLATE="no" -AC_ARG_WITH([zlib], - [AC_HELP_STRING([--with-zlib=DIR], - [Use zlib library for external deflate I/O - filter [default=yes]])],, - withval=yes) - -case $withval in - yes) - HAVE_ZLIB="yes" - AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H="yes"]) - AC_CHECK_LIB([z], [compress2],, [unset HAVE_ZLIB]) - AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"]) - - if test -z "$HAVE_ZLIB" -a -n "$HDF5_CONFIG_ABORT"; then - AC_MSG_ERROR([couldn't find zlib library]) - fi - ;; - no) - HAVE_ZLIB="no" - AC_MSG_CHECKING([for GNU zlib]) - AC_MSG_RESULT([suppressed]) - ;; - *) - HAVE_ZLIB="yes" - case "$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 - - dnl Trying to include -I/usr/include and -L/usr/lib is redundant and - dnl can mess some compilers up. - if test "X$zlib_inc" = "X/usr/include"; then - zlib_inc="" - fi - if test "X$zlib_lib" = "X/usr/lib"; then - zlib_lib="" - fi - - 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="$saved_AM_CPPFLAGS"]) - - if test -n "$zlib_lib"; then - LDFLAGS="$LDFLAGS -L$zlib_lib" - AM_LDFLAGS="$AM_LDFLAGS -L$zlib_lib" - fi - - AC_CHECK_LIB([z], [compress2],, - [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_ZLIB]) - AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"]) - - if test -z "$HAVE_ZLIB" -a -n "$HDF5_CONFIG_ABORT"; then - AC_MSG_ERROR([couldn't find zlib library]) - fi - ;; -esac - -if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes" -a "x$HAVE_COMPRESS2" = "xyes"; then - AC_DEFINE([HAVE_FILTER_DEFLATE], [1], [Define if support for deflate (zlib) filter is enabled]) - USE_FILTER_DEFLATE="yes" - - dnl Add "deflate" to external filter list - if test "X$EXTERNAL_FILTERS" != "X"; then - EXTERNAL_FILTERS="${EXTERNAL_FILTERS}," - fi - EXTERNAL_FILTERS="${EXTERNAL_FILTERS}deflate(zlib)" -fi - - -dnl ---------------------------------------------------------------------- -dnl Is the szlib present? It has a header file `szlib.h' and a library -dnl `-lsz' and their locations might be specified with the `--with-szlib' -dnl command-line switch. The value is an include path and/or a library path. -dnl If the library path is specified then it must be preceded by a comma. -dnl -AC_SUBST(USE_FILTER_SZIP) USE_FILTER_SZIP="no" -AC_ARG_WITH([szlib], - [AC_HELP_STRING([--with-szlib=DIR], - [Use szlib library for external szlib I/O - filter [default=no]])],, - withval=no) - -case $withval in - yes) - HAVE_SZLIB="yes" - AC_CHECK_HEADERS([szlib.h], [HAVE_SZLIB_H="yes"]) - AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, [unset HAVE_SZLIB]) - - if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then - AC_MSG_ERROR([couldn't find szlib library]) - fi - ;; - no) - HAVE_SZLIB="no" - AC_MSG_CHECKING([for szlib]) - AC_MSG_RESULT([suppressed]) - ;; - *) - HAVE_SZLIB="yes" - case "$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 - - dnl Trying to include -I/usr/include and -L/usr/lib is redundant and - dnl can mess some compilers up. - if test "X$szlib_inc" = "X/usr/include"; then - szlib_inc="" - fi - if test "X$szlib_lib" = "X/usr/lib"; then - szlib_lib="" - fi - - 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$szlib_inc" - fi - - AC_CHECK_HEADERS([szlib.h], - [HAVE_SZLIB_H="yes"], - [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"]) - - if test -n "$szlib_lib"; then - LDFLAGS="$LDFLAGS -L$szlib_lib" - AM_LDFLAGS="$AM_LDFLAGS -L$szlib_lib" - fi - - AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, - [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_SZLIB]) - - 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 - dnl SZLIB library is available. Check if it can encode - AC_MSG_CHECKING([for szlib encoder]) - - dnl Set LD_LIBRARY_PATH so encoder test can find the library and run. - dnl Also add LL_PATH substitution to Makefiles so they can use the - dnl path as well, for testing examples. - if test -z "$LD_LIBRARY_PATH"; then - export LD_LIBRARY_PATH="$szlib_lib" - else - export LD_LIBRARY_PATH="$szlib_lib:$LD_LIBRARY_PATH" - fi - - AC_SUBST([LL_PATH]) LL_PATH="$LD_LIBRARY_PATH" - - AC_CACHE_VAL([hdf5_cv_szlib_can_encode], - [AC_TRY_RUN([ - #include <szlib.h> - - int main(void) - { - /* SZ_encoder_enabled returns 1 if encoder is present */ - if(SZ_encoder_enabled() == 1) - exit(0); - else - exit(1); - } - ], [hdf5_cv_szlib_can_encode=yes], [hdf5_cv_szlib_can_encode=no],)]) - - AC_DEFINE(HAVE_FILTER_SZIP, 1, - [Define if support for szip filter is enabled]) - USE_FILTER_SZIP="yes" - - if test ${hdf5_cv_szlib_can_encode} = "yes"; then - AC_MSG_RESULT([yes]) - fi - if test ${hdf5_cv_szlib_can_encode} = "no"; then - AC_MSG_RESULT([no]) - fi - - dnl 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"]) - -dnl Checkpoint the cache -AC_CACHE_SAVE - -dnl ---------------------------------------------------------------------- -dnl Is the Pthreads library present? It has a header file `pthread.h' and -dnl a library `-lpthread' and their locations might be specified with the -dnl `--with-pthread' command-line switch. The value is an include path -dnl and/or a library path. If the library path is specified then it must -dnl be preceded by a comma. -dnl -AC_SUBST([PTHREAD]) PTHREAD=yes -AC_ARG_WITH([pthread], - [AC_HELP_STRING([--with-pthread=DIR], - [Use the Pthreads library [default=no]])],, - withval=no) - -case "$withval" in - yes) - AC_CHECK_HEADERS([pthread.h]) - AC_CHECK_LIB([pthread], [pthread_self],, [unset PTHREAD]) - ;; - no) - AC_MSG_CHECKING([for pthread]) - AC_MSG_RESULT([suppressed]) - unset PTHREAD - ;; - *) - case "$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 - - dnl Trying to include -I/usr/include and -L/usr/lib is redundant and - dnl can mess some compilers up. - if test "X$pthread_inc" = "X/usr/include"; then - pthread_inc="" - fi - if test "X$pthread_lib" = "X/usr/lib"; then - pthread_lib="" - fi - - 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="$saved_AM_CPPFLAGS"; unset PTHREAD]) - else - AC_CHECK_HEADERS([pthread.h],, [unset PTHREAD]) - fi - - if test -n "$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 PTHREAD]) - - else - AC_CHECK_LIB([pthread], [pthread_self],, [unset PTHREAD]) - fi - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Enable thread-safe version of library. It requires Pthreads support. -dnl -AC_MSG_CHECKING([for thread safe support]) -AC_ARG_ENABLE([threadsafe], - [AC_HELP_STRING([--enable-threadsafe], - [Enable thread safe capability])], - THREADSAFE=$enableval) - -case "X-$THREADSAFE" in - X-|X-no) - AC_MSG_RESULT([no]) - ;; - X-yes) - dnl Check that we can link a simple Pthread program. - AC_TRY_LINK(, [pthread_self()], - [AC_MSG_RESULT([yes]); THREADSAFE=yes], - [AC_MSG_ERROR([needed pthread library not available])]) - ;; - *) - 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]) -fi - -dnl ---------------------------------------------------------------------- -dnl Check for MONOTONIC_TIMER support (used in clock_gettime). This has -dnl to be done after any POSIX/BSD defines to ensure that the test gets -dnl the correct POSIX level on linux. -AC_CHECK_DECL(CLOCK_MONOTONIC,[have_clock_monotonic="yes"],[have_clock_monotonic="no"],[[#include <time.h>]]) - -dnl ---------------------------------------------------------------------- -dnl How does one figure out the local time zone? Anyone know of a -dnl Posix way to do this? -dnl - -dnl First check if `struct tm' has a `tm_gmtoff' member. -AC_MSG_CHECKING([for tm_gmtoff in struct tm]) -AC_TRY_COMPILE([ -#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])) - -dnl check if `struct tm' has a `__tm_gmtoff' member. -AC_MSG_CHECKING([for __tm_gmtoff in struct tm]) -AC_TRY_COMPILE([ -#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])) - -dnl 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_TRY_LINK([ - #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 - -dnl Check whether `struct timezone' is defined. -AC_STRUCT_TIMEZONE -AC_MSG_CHECKING([for struct timezone]) -AC_TRY_COMPILE([ -#include <sys/types.h> -#include <sys/time.h> -#include <time.h>], [struct timezone tz; tz.tz_minuteswest=0;], -AC_DEFINE([HAVE_STRUCT_TIMEZONE], [1], - [Define if `struct timezone' is defined]) -have_struct_tz="yes" -AC_MSG_RESULT([yes]), -AC_MSG_RESULT([no])) - -dnl If gettimeofday() is going to be used, make sure it uses the timezone struct - -if test "$have_gettime" = "yes" -a "$have_struct_tz" = "yes"; then - AC_MSG_CHECKING(whether gettimeofday() gives timezone) - AC_CACHE_VAL([hdf5_cv_gettimeofday_tz], - [AC_TRY_RUN([ - #include <time.h> - #include <sys/time.h> - int main(void) - { - struct timeval tv; - struct timezone tz; - tz.tz_minuteswest = 7777; /* Initialize to an unreasonable number */ - tz.tz_dsttime = 7; - gettimeofday(&tv, &tz); - /* Check whether the function returned any value at all */ - if(tz.tz_minuteswest == 7777 && tz.tz_dsttime == 7) - exit(1); - else exit (0); - }], [hdf5_cv_gettimeofday_tz=yes], [hdf5_cv_gettimeofday_tz=no],)]) - - if test ${hdf5_cv_gettimeofday_tz} = "yes"; then - AC_MSG_RESULT([yes]) - AC_DEFINE([GETTIMEOFDAY_GIVES_TZ], [1], - [Define if gettimeofday() populates the tz pointer passed in]) - else - AC_MSG_RESULT([no]) - fi -fi - -dnl ---------------------------------------------------------------------- -dnl Does the struct stat have the st_blocks field? This field is not Posix. -dnl -AC_MSG_CHECKING([for st_blocks in struct stat]) -AC_TRY_COMPILE([ -#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])) - -dnl ---------------------------------------------------------------------- -dnl How do we figure out the width of a tty in characters? -dnl -AC_CHECK_FUNCS(_getvideoconfig gettextinfo GetConsoleScreenBufferInfo) -AC_CHECK_FUNCS(_scrsize ioctl) - -AC_MSG_CHECKING([for struct videoconfig]) -AC_TRY_COMPILE(,[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_TRY_COMPILE(, [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_TRY_COMPILE([#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_TRY_COMPILE([#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])) - - -dnl ---------------------------------------------------------------------- -dnl Check for functions. -dnl -AC_CHECK_FUNCS(alarm BSDgettimeofday fork frexpf frexpl) -AC_CHECK_FUNCS(gethostname getpwuid getrusage lstat) -AC_CHECK_FUNCS(rand_r random setsysinfo) -AC_CHECK_FUNCS(signal longjmp setjmp siglongjmp sigsetjmp sigprocmask) -AC_CHECK_FUNCS(snprintf srandom strdup symlink system) -AC_CHECK_FUNCS(tmpfile vasprintf waitpid) - -dnl Check for vsnprintf() separately, so we can detect situations where it -dnl doesn't return the correct size for formatted strings that are too large -dnl for the buffer provided -AC_CHECK_FUNCS(vsnprintf, - - dnl Check if vsnprintf() returns correct size for strings that don't fit - dnl into the size allowed. If vsnprintf() works correctly on this platform, - dnl it should return a value of 42 for the test below - dnl - dnl Note that vsnprintf fails in two different ways: - dnl - In IRIX64, calls to vnsprintf() with a formatted string that - dnl is larger than the buffer size allowed incorrectly - dnl return the size of the buffer minus one. - dnl - In HP/UX, calls to vsnprintf() with a formatted string that - dnl is larger than the buffer size allowed incorrectly - dnl return (-1) - AC_MSG_CHECKING([if vsnprintf returns correct value]) - - AC_CACHE_VAL([hdf5_cv_vsnprintf_works], - AC_TRY_RUN([ -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> - -int test_vsnprintf(const char *fmt,...) -{ - va_list ap; - char *s = malloc(16); - int ret; - - va_start(ap, fmt); - ret=vsnprintf(s,16,"%s",ap); - va_end(ap); - - return(ret!=42 ? 1 : 0); -} - -int main(void) -{ - exit(test_vsnprintf("%s","A string that is longer than 16 characters")); -} - ],[hdf5_cv_vsnprintf_works=yes],[hdf5_cv_vsnprintf_works=no],)) - - if test ${hdf5_cv_vsnprintf_works} = "yes"; then - AC_MSG_RESULT([yes]) - AC_DEFINE([VSNPRINTF_WORKS], [1], - [Define if vsnprintf() returns the correct value for formatted strings that don't fit into size allowed]) - else - AC_MSG_RESULT([no]) - fi - ,) - -dnl ---------------------------------------------------------------------- -dnl Check that a lone colon can be used as an argument -dnl This is not true on Cray X1, which interprets a lone colon as a -dnl system command. -dnl -AC_CACHE_CHECK([if lone colon can be used as an argument], - [hdf5_cv_lone_colon], - [ - echo "int main(int argc, char * argv[]) {return 0;}" > conftest.c - $CC $CFLAGS conftest.c > /dev/null 2> /dev/null - echo "./a.out :" > conftest.sh - chmod 700 conftest.sh - - ./conftest.sh 2> conftest.out - rm a.out - TEST_OUTPUT=`cat conftest.out` - - if test "X$TEST_OUTPUT" = "X"; then - hdf5_cv_lone_colon=yes - else - hdf5_cv_lone_colon=no - fi - ]) - -AC_SUBST(H5_LONE_COLON) H5_LONE_COLON="$hdf5_cv_lone_colon" - -dnl ---------------------------------------------------------------------- -dnl Check compiler characteristics -dnl -AC_C_CONST -AC_C_INLINE - -AC_MSG_CHECKING([for __attribute__ extension]) -AC_TRY_COMPILE(,[int __attribute__((unused)) x], - AC_DEFINE([HAVE_ATTRIBUTE], [1], - [Define if the __attribute__(()) extension is present]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no])) - -AC_MSG_CHECKING([for __func__ extension]) -AC_TRY_COMPILE(,[ const char *fname = __func__; ], - AC_DEFINE([HAVE_C99_FUNC], [1], - [Define if the compiler understands the __func__ keyword]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no])) -AC_MSG_CHECKING([for __FUNCTION__ extension]) -AC_TRY_COMPILE(,[ const char *fname = __FUNCTION__; ], - AC_DEFINE([HAVE_FUNCTION], [1], - [Define if the compiler understands the __FUNCTION__ keyword]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no])) -AC_MSG_CHECKING([for C99 designated initialization support]) -AC_TRY_COMPILE(,[ - typedef struct { - int x; - union { - int i; - double d; - } u; - } di_struct_t; - di_struct_t x = {0, { .d = 0.0}}; ], - AC_DEFINE([HAVE_C99_DESIGNATED_INITIALIZER], [1], - [Define if the compiler understands C99 designated initialization of structs and unions]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no])) - -dnl ---------------------------------------------------------------------- -dnl Try to figure out how to print `long long'. Some machines use `%lld' -dnl and others use `%qd'. There may be more! The final `l' is a -dnl default in case none of the others work. -dnl Need to patch up LD_LIBRARY_PATH so that the execution can find all -dnl the dynamic library. The correct way to do it should be updating -dnl LD_LIBRARY_PATH along with LDFLAGS or do it with the AC_TRY_RUN macro. -dnl -AC_MSG_CHECKING([how to print long long]) -AC_CACHE_VAL([hdf5_cv_printf_ll], -LD_LIBRARY_PATH="$LD_LIBRARY_PATH`echo $AM_LDFLAGS $LDFLAGS | sed -e 's/-L/:/g' -e 's/ //g'`" -export LD_LIBRARY_PATH - -for hdf5_cv_printf_ll in l ll L q unknown; do - AC_TRY_RUN([ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -int main(void) -{ - char *s = malloc(128); - long long x = (long long)1048576 * (long long)1048576; - sprintf(s,"%${hdf5_cv_printf_ll}d",x); - exit(strcmp(s,"1099511627776")); -} - ], break,,continue) -done)dnl - -AC_MSG_RESULT([%${hdf5_cv_printf_ll}d and %${hdf5_cv_printf_ll}u]) -AC_DEFINE_UNQUOTED([PRINTF_LL_WIDTH], ["$hdf5_cv_printf_ll"], - [Width for printf() for type `long long' or `__int64', use `ll']) - -dnl ---------------------------------------------------------------------- -dnl Check if pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) -dnl is supported on this system -dnl -AC_MSG_CHECKING([Threads support system scope]) -AC_CACHE_VAL([hdf5_cv_system_scope_threads], -[AC_TRY_RUN([ -#if STDC_HEADERS -#include <stdlib.h> -#include <pthread.h> -#endif - -int main(void) -{ - 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],)]) - -if test ${hdf5_cv_system_scope_threads} = "yes"; then - AC_DEFINE([SYSTEM_SCOPE_THREADS], [1], - [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Checking to see if GPFS is available on this filesystem -dnl -AC_ARG_ENABLE([gpfs], - [AC_HELP_STRING([--enable-gpfs], - [Enable GPFS hints for the MPI/POSIX file - driver. [default=no]])],, - [enableval=no]) - -case "X-$enableval" in - X-yes) - AC_CHECK_HEADERS([gpfs.h], - AC_MSG_CHECKING([for GPFS support]) - AC_TRY_COMPILE([#include <gpfs.h>], - [int fd = 0; gpfs_fcntl(fd, (void *)0);], - AC_DEFINE(HAVE_GPFS, 1, - [Define if we have GPFS support]) - AC_MSG_RESULT([yes]) - LIBS="$LIBS -lgpfs" - GPFS="yes", - AC_MSG_RESULT([no]) - GPFS="no")) - ;; - X-no|*) - AC_MSG_CHECKING([for gpfs]) - AC_MSG_RESULT([suppressed]) - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Turn on debugging by setting compiler flags -dnl This must come after the enable-production since it depends on production. -dnl -AC_MSG_CHECKING(for debug flags) -AC_ARG_ENABLE([debug], - [AC_HELP_STRING([--enable-debug=all], - [Turn on debugging in all packages. One may - also specify a comma-separated list of - package names without the leading H5 or - the word no. The default is most packages - if production is disabled; no if it is enabled. - ])], - [DEBUG_PKG=$enableval]) - -dnl Default to no if producton is enabled -if test "X-$DEBUG_PKG" = X- ; then - if test "$enable_production" = yes ; then - DEBUG_PKG=no - else - DEBUG_PKG=yes - fi -fi - -AC_SUBST([DEBUG_PKG]) -all_packages="ac,b,b2,d,e,f,g,hg,hl,i,mf,mm,o,p,s,t,v,z" -case "X-$DEBUG_PKG" in - X-yes) - DEBUG_PKG="d,e,f,g,hg,i,mm,o,p,s,t,v,z" - H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG" - AC_MSG_RESULT([default ($DEBUG_PKG)]) - ;; - X-all) - DEBUG_PKG=$all_packages - H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG" - AC_MSG_RESULT([all ($DEBUG_PKG)]) - ;; - X-no|X-none) - AC_MSG_RESULT([none]) - DEBUG_PKG= - H5_CPPFLAGS="$H5_CPPFLAGS -DNDEBUG" - ;; - *) - AC_MSG_RESULT([$DEBUG_PKG]) - ;; -esac - -if test -n "$DEBUG_PKG"; then - for pkg in `echo $DEBUG_PKG | ${TR} ${as_cr_letters}"," ${as_cr_LETTERS}" "`; do - H5_CPPFLAGS="$H5_CPPFLAGS -DH5${pkg}_DEBUG" - done -fi - -dnl ---------------------------------------------------------------------- -dnl Check if they would like the function stack support compiled in -dnl -AC_MSG_CHECKING([whether function stack tracking is enabled]) -AC_ARG_ENABLE([codestack], - [AC_HELP_STRING([--enable-codestack], - [Enable the function stack tracing (for developer debugging).])], - [CODESTACK=$enableval]) - -case "X-$CODESTACK" in - X-yes) - CODESTACK=yes - AC_MSG_RESULT([yes]) - AC_DEFINE([HAVE_CODESTACK], [1], - [Define if the function stack tracing code is to be compiled in]) - ;; - *) - CODESTACK=no - AC_MSG_RESULT([no]) - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Check if they would like the metadata trace file code compiled in -dnl -AC_MSG_CHECKING([whether metadata trace file code is enabled]) -AC_ARG_ENABLE([metadata-trace-file], - [AC_HELP_STRING([--enable-metadata-trace-file], - [Enable metadata trace file collection.])], - [METADATATRACEFILE=$enableval]) - -case "X-$METADATATRACEFILE" in - X-yes) - METADATATRACEFILE=yes - AC_MSG_RESULT([yes]) - AC_DEFINE([METADATA_TRACE_FILE], [1], - [Define if the metadata trace file code is to be compiled in]) - ;; - *) - METADATATRACEFILE=no - AC_MSG_RESULT([no]) - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Enable tracing of the API -dnl This must come after the enable-debug since it depends on debug. -dnl -AC_SUBST([TRACE_API]) -AC_MSG_CHECKING([for API tracing]); -AC_ARG_ENABLE([trace], - [AC_HELP_STRING([--enable-trace], - [Enable API tracing capability. Default=no - if debug is disabled.])], - TRACE=$enableval) - -dnl Default to no if debug is disabled -if test "X-$TRACE" = X- ; then - if test -z "$DEBUG_PKG" ; then - TRACE=no - else - TRACE=yes - fi -fi - -case "X-$TRACE" in - X-yes) - AC_MSG_RESULT([yes]) - TRACE_API=yes - H5_CPPFLAGS="$H5_CPPFLAGS -DH5_DEBUG_API" - ;; - X-no|*) - AC_MSG_RESULT([no]) - TRACE_API=no - H5_CPPFLAGS="$H5_CPPFLAGS -UH5_DEBUG_API" - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Enable instrumenting of the library's internal operations -dnl This must come after the enable-debug since it depends on debug. -dnl -AC_SUBST([INSTRUMENT_LIBRARY]) -AC_MSG_CHECKING([for instrumented library]); -AC_ARG_ENABLE([instrument], - [AC_HELP_STRING([--enable-instrument], - [Enable library instrumentation of optimization - tracing. 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Default=yes.])], - [CLEARFILEBUF=$enableval]) - -case "X-$CLEARFILEBUF" in - *) - CLEARFILEBUF=yes - AC_MSG_RESULT([yes]) - AC_DEFINE([CLEAR_MEMORY], [1], - [Define if the memory buffers being written to disk should be - cleared before writing.]) - ;; - X-no) - CLEARFILEBUF=no - AC_MSG_RESULT([no]) - ;; -esac - -dnl ---------------------------------------------------------------------- -dnl Check if they would like to use a memory checking tool (like valgrind's -dnl 'memcheck' tool, or Rational Purify, etc) and the library should be -dnl more scrupulous with it's memory operations. Enabling this also -dnl disables the library's free space manager code. -dnl -AC_SUBST([USINGMEMCHECKER]) -AC_MSG_CHECKING([whether a memory checking tool will be used]) -AC_ARG_ENABLE([using-memchecker], - [AC_HELP_STRING([--enable-using-memchecker], - [Enable this option if a memory allocation and/or - bounds checking tool will be used on the HDF5 - library. Enabling this causes the library to be - more picky about it's memory operations and also - disables the library's free space manager code. - Default=no.])], - [USINGMEMCHECKER=$enableval]) - -case "X-$USINGMEMCHECKER" in - X-yes) - USINGMEMCHECKER=yes - AC_MSG_RESULT([yes]) - AC_DEFINE([USING_MEMCHECKER], [1], - [Define if a memory checking tool will be used on the library, - to cause library to be very picky about memory operations and - also disable the internal free list manager code.]) - ;; - *) - USINGMEMCHECKER=no - AC_MSG_RESULT([no]) - ;; -esac - -dnl Checkpoint the cache -AC_CACHE_SAVE - -dnl What header files and libraries do we have to look for for parallel -dnl support? For the most part, search paths are already specified with -dnl CPPFLAGS and LDFLAGS or are known to the compiler. 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If fail, try again with -lmpi and - dnl -lmpich. - AC_TRY_LINK(, MPI_Init(),, \ - AC_CHECK_LIB(mpi, MPI_Init,, \ - AC_CHECK_LIB(mpich, MPI_Init,, PARALLEL=no))) - - dnl Then try link a simple MPI-IO program. If fail, try again with - dnl -lmpio. - if test "X$PARALLEL" = "Xyes"; then - AC_TRY_LINK(, [MPI_File_open()],, - [AC_CHECK_LIB([mpio], [MPI_File_open],, [PARALLEL=no])]) - fi - - if test "X$HDF_FORTRAN" = "Xyes"; then - dnl Change to the Fortran 90 language - AC_LANG_PUSH(Fortran) - - dnl Try link a simple MPI program. If fail, try again with -lmpi. - AC_LINK_IFELSE([ - program main - include 'mpif.h' - integer:: ierr - call mpi_file_open( ierr ) - end],, - AC_CHECK_LIB(mpi, [ - include 'mpif.h' - integer:: ierr - call mpi_file_open( ierr )],, PARALLEL=no)) - - dnl Then try link a simple MPI-IO program. If fail, try again with - dnl -lmpio. - if test "X$PARALLEL" = "Xyes"; then - AC_LINK_IFELSE([ - program main - include 'mpif.h' - integer:: ierr - call mpi_file_open( ierr ) - end],, - AC_CHECK_LIB(mpio, [ - include 'mpif.h' - integer:: ierr - call mpi_file_open( ierr )],, PARALLEL=no)) - fi - - dnl Change to the C language - AC_LANG_POP(Fortran) - fi - - dnl Set RUNPARALLEL to mpiexec if not set yet. - dnl Check for building on Cray if RUNPARALLEL is not yet set by checking - dnl for 'aprun' command (which is the parallel job launcher, like mpiexec). - if test "X$PARALLEL" = "Xyes" -a -z "$RUNPARALLEL"; then - dnl Find the path where aprun is located. - for path in `echo $PATH | ${TR} ":" " "`; do - if test -x $path/aprun; then - RUNPARALLEL="aprun -q -n \$\${NPROCS:=6}" - break; - fi - done - fi - - dnl Set RUNPARALLEL to mpiexec if not set yet. - if test "X$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 - -dnl ---------------------------------------------------------------------- -dnl Print some other parallel information and do some sanity checks. -dnl -AC_SUBST([ADD_PARALLEL_FILES]) ADD_PARALLEL_FILES="no" - -if test -n "$PARALLEL"; then - dnl The 'testpar' directory should participate in the build - TESTPARALLEL=testpar - - dnl We are building a parallel library - AC_DEFINE([HAVE_PARALLEL], [1], [Define if we have parallel support]) - - dnl Display what we found about running programs - AC_MSG_CHECKING([prefix for running on one processor]) - AC_MSG_RESULT([$RUNSERIAL]) - AC_MSG_CHECKING([prefix for running in parallel]) - AC_MSG_RESULT([$RUNPARALLEL]) - - dnl Check that we can link a simple MPI and MPI-IO application - AC_MSG_CHECKING([whether a simple MPI-IO program can be linked]) - AC_TRY_LINK(, [MPI_Init(); MPI_File_open();], - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no]) - AC_MSG_ERROR([unable to link a simple MPI-IO application])) - - dnl There *must* be some way to run in parallel even if it's just the - dnl word `none'. - if test -z "$RUNPARALLEL"; then - AC_MSG_ERROR([no way to run a parallel program]) - fi - - dnl If RUNSERIAL or RUNPARALLEL is the word `none' then replace it with - dnl the empty string. - if test "X$RUNSERIAL" = "Xnone"; then - RUNSERIAL="" - fi - if test "X$RUNPARALLEL" = "Xnone"; then - RUNPARALLEL="" - fi - - if test "X$HDF_FORTRAN" = "Xyes"; then - ADD_PARALLEL_FILES="yes" - AC_MSG_CHECKING([for MPI_Comm_c2f and MPI_Comm_f2c functions]) - - AC_TRY_LINK([#include <mpi.h>], - [MPI_Comm c_comm; MPI_Comm_c2f(c_comm)], - AC_DEFINE([HAVE_MPI_MULTI_LANG_Comm], [1], - [Define if `MPI_Comm_c2f' and `MPI_Comm_f2c' exists]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no]) - ) - - AC_MSG_CHECKING([for MPI_Info_c2f and MPI_Info_f2c functions]) - AC_TRY_LINK([#include <mpi.h>], - [MPI_Info c_info; MPI_Info_c2f(c_info)], - AC_DEFINE([HAVE_MPI_MULTI_LANG_Info], [1], - [Define if `MPI_Info_c2f' and `MPI_Info_f2c' exists]) - AC_MSG_RESULT([yes]), - AC_MSG_RESULT([no]) - ) - fi - - dnl -------------------------------------------------------------------- - dnl Do we want MPE instrumentation feature on? - dnl - dnl This must be done after enable-parallel is checked since it depends - dnl on a mpich compiler. - dnl - MPE=yes - AC_ARG_WITH([mpe], - [AC_HELP_STRING([--with-mpe=DIR], - [Use MPE instrumentation [default=no]])],, - [withval=no]) - - case "X-$withval" in - X-|X-no|X-none) - AC_MSG_CHECKING([for MPE]) - AC_MSG_RESULT([suppressed]) - unset MPE - ;; - X-yes) - AC_CHECK_HEADERS([mpe.h],, [unset MPE]) - AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE]) - AC_CHECK_LIB([lmpe], [CLOG_Init],, [unset MPE]) - ;; - *) - case "$withval" in - *,*) - mpe_inc="`echo $withval | cut -f1 -d,`" - mpe_lib="`echo $withval | cut -f2 -d, -s`" - ;; - *) - if test -n "$withval"; then - mpe_inc="$withval/include" - mpe_lib="$withval/lib" - fi - ;; - esac - - dnl Trying to include -I/usr/include and -L/usr/lib is redundant and - dnl can mess some compilers up. - if test "X$mpe_inc" = "X/usr/include"; then - mpe_inc="" - fi - if test "X$mpe_lib" = "X/usr/lib"; then - mpe_lib="" - fi - - if test -n "$mpe_inc"; then - saved_CPPFLAGS="$CPPFLAGS" - saved_AM_CPPFLAGS="$AM_CPPFLAGS" - CPPFLAGS="$CPPFLAGS -I$mpe_inc" - AM_CPPFLAGS="$AM_CPPFLAGS -I$mpe_inc" - AC_CHECK_HEADERS([mpe.h],, [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; unset MPE]) - else - AC_CHECK_HEADERS([mpe.h],, [unset MPE]) - fi - - if test -n "$mpe_lib"; then - saved_LDFLAGS="$LDFLAGS" - saved_AM_LDFLAGS="$AM_LDFLAGS" - LDFLAGS="$LDFLAGS -L$mpe_lib" - AM_LDFLAGS="$AM_LDFLAGS -L$mpe_lib" - AC_CHECK_LIB([mpe], [MPE_Init_log],, - [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset MPE]) - AC_CHECK_LIB([lmpe], [CLOG_Init],, - [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset MPE]) - - else - AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE]) - AC_CHECK_LIB([lmpe], [CLOG_Init],, [unset MPE]) - fi - ;; - esac - - if test "X-$MPE" = "X-yes"; then - AC_DEFINE([HAVE_MPE], [1], [Define if we have MPE support]) - fi - - dnl ---------------------------------------------------------------------- - dnl Set the flag to indicate that the MPI_File_set_size() function - dnl works with files over 2GB, unless it's already set in the cache. - dnl (This flag should be set for all machines, except for ASCI Red, where - dnl the cache value is set in it's config file) - dnl - AC_MSG_CHECKING([if MPI_File_set_size works for files over 2GB]) - AC_CACHE_VAL([hdf5_cv_mpi_file_set_size_big], [hdf5_cv_mpi_file_set_size_big=yes]) - - if test ${hdf5_cv_mpi_file_set_size_big} = "yes"; then - AC_DEFINE([MPI_FILE_SET_SIZE_BIG], [1], - [Define if your system's `MPI_File_set_size' function works for files over 2GB.]) - AC_MSG_RESULT([yes]) - else - AC_MSG_RESULT([no]) - fi - - dnl ---------------------------------------------------------------------- - dnl Set the flag to indicate that the MPI_File_get_size() function - dnl works. The default is enabled unless the user knows the function - dnl doesn't work on the system and disables it. (This flag should be set - dnl for all machines except for SGI Altix Propack 4 where the function - dnl doesn't return correct file size.) - dnl - AC_ARG_ENABLE([mpi-size], - [AC_HELP_STRING([--enable-mpi-size], - [Some systems (only SGI Altix Propack 4 so far) return wrong value - from MPI_File_get_size. By disabling this function, the library - will replace it with stat to get the correct file size. - [default=yes]])], - [MPI_GET_SIZE=$enableval]) - - AC_MSG_CHECKING([if MPI_File_get_size is enabled]) - - AC_SUBST(MPI_GET_SIZE) - case "X-$MPI_GET_SIZE" in - X-no) - AC_MSG_RESULT([no]) - MPI_GET_SIZE=no - ;; - X-yes|*) - AC_MSG_RESULT([yes]) - MPI_GET_SIZE=yes - AC_DEFINE([HAVE_MPI_GET_SIZE], [1], - [Define if MPI_File_get_size works correctly]) - ;; - esac -fi - -dnl ---------------------------------------------------------------------- -dnl Turn on internal I/O filters by setting macros in header files -dnl Internal I/O filters are contained entirely within the library and do -dnl not depend on external headers or libraries. The shuffle filter is -dnl an example of an internal filter, while the gzip filter is an example of -dnl an external filter. Each external filter is controlled with an -dnl "--with-foo=" configure flag. -dnl -AC_SUBST([FILTERS]) -AC_SUBST(USE_FILTER_SHUFFLE) USE_FILTER_SHUFFLE="no" -AC_SUBST(USE_FILTER_FLETCHER32) USE_FILTER_FLETCHER32="no" -AC_SUBST(USE_FILTER_NBIT) USE_FILTER_NBIT="no" -AC_SUBST(USE_FILTER_SCALEOFFSET) USE_FILTER_SCALEOFFSET="no" -AC_MSG_CHECKING([for I/O filters]) -AC_ARG_ENABLE([filters], - [AC_HELP_STRING([--enable-filters=all], - [Turn on all internal I/O filters. One may - also specify a comma-separated list of filters - or the word no. The default is all internal - I/O filters.])], - [FILTERS=$enableval]) - -dnl Eventually: all_filters="shuffle,foo,bar,baz" -all_filters="shuffle,fletcher32,nbit,scaleoffset" -case "X-$FILTERS" in - X-|X-all) - FILTERS=$all_filters - AC_MSG_RESULT([all ($FILTERS)]) - ;; - X-no|X-none) - AC_MSG_RESULT([none]) - FILTERS="none" - ;; - *) - AC_MSG_RESULT([$FILTERS]) - ;; -esac - -if test -n "$FILTERS"; then - for filter in `echo $FILTERS | tr ${as_cr_letters}',' ${as_cr_LETTERS}' '`; do - dnl ------------------------------------------------------------------ - dnl Have to use separate 'if' construct for each filter, so that - dnl autoheader can detect the AC_DEFINE for each one... - dnl - if test $filter = "SHUFFLE"; then - AC_DEFINE([HAVE_FILTER_SHUFFLE], [1], - [Define if support for shuffle filter is enabled]) - USE_FILTER_SHUFFLE="yes" - fi - if test $filter = "FLETCHER32"; then - AC_DEFINE([HAVE_FILTER_FLETCHER32], [1], - [Define if support for Fletcher32 checksum is enabled]) - USE_FILTER_FLETCHER32="yes" - fi - if test $filter = "NBIT"; then - AC_DEFINE([HAVE_FILTER_NBIT], [1], - [Define if support for nbit filter is enabled]) - USE_FILTER_NBIT="yes" - fi - if test $filter = "SCALEOFFSET"; then - AC_DEFINE([HAVE_FILTER_SCALEOFFSET], [1], - [Define if support for scaleoffset filter is enabled]) - USE_FILTER_SCALEOFFSET="yes" - fi - done -fi - -dnl ---------------------------------------------------------------------- -dnl This is defined only when we're using CodeWarrior, since it has a -dnl broken "open()" call. -dnl -if test 1 = 2; then - AC_DEFINE([NO_SHARED_WRITING], [1], - [Define if shared writing must be disabled (CodeWarrior only)]) -fi - -dnl -------------------------------------------------------------------------- -dnl Should the Default Virtual File Driver be compiled? -dnl - -AC_MSG_CHECKING([for Default Virtual File Driver definition]) -AC_ARG_WITH([default-vfd], - [AC_HELP_STRING([--with-default-vfd=driver], - [Specify default file driver - [default=sec2]])],, - withval=sec2) - -if test "X$withval" = "Xsec2"; then - AC_MSG_RESULT([yes]) - default_vfd=yes - vfd_define=H5FD_SEC2 -elif test "X$withval" = "Xstdio"; then - AC_MSG_RESULT([yes]) - default_vfd=yes - vfd_define=H5FD_STDIO -else - AC_MSG_RESULT([no]) - default_vfd=no -fi - -if test "X$default_vfd" = "Xyes"; then - AC_DEFINE_UNQUOTED([DEFAULT_VFD], [$vfd_define], - [Define the default virtual file driver to compile]) -fi - -dnl ---------------------------------------------------------------------- -dnl Check if Direct I/O driver is enabled by --enable-direct-vfd -dnl - -AC_MSG_CHECKING([for Direct Virtual File Driver support]) - -AC_ARG_ENABLE([direct-vfd], - [AC_HELP_STRING([--enable-direct-vfd], - [Build the Direct I/O Virtual File Driver - [default=yes]])], - [DIRECT_VFD=$enableval], [DIRECT_VFD=yes]) - -if test "$DIRECT_VFD" = "yes"; then - AC_CACHE_VAL([hdf5_cv_direct_io], - [AC_TRY_RUN([ - #include <sys/types.h> - #include <sys/stat.h> - #include <fcntl.h> - int main(void) - { - int fid; - if((fid=open("tst_file", O_CREAT | O_TRUNC | O_DIRECT, 0755))<0) - exit(1); - close(fid); - remove("tst_file"); - exit (0); - }], AC_TRY_LINK(, [posix_memalign()], [hdf5_cv_direct_io=yes], [hdf5_cv_direct_io=no]), [hdf5_cv_direct_io=no],)]) - - if test ${hdf5_cv_direct_io} = "yes"; then - AC_MSG_RESULT([yes]) - AC_DEFINE([HAVE_DIRECT], [1], - [Define if the direct I/O virtual file driver should be compiled]) - else - AC_MSG_RESULT([no]) - DIRECT_VFD=no - fi -else - AC_MSG_RESULT([suppressed]) -fi - -AM_CONDITIONAL([DIRECT_VFD_CONDITIONAL], [test "X$DIRECT_VFD" = "Xyes"]) - -dnl ---------------------------------------------------------------------- -dnl Decide whether the presence of user's exception handling functions is -dnl checked and data conversion exceptions are returned. This is mainly -dnl for the speed optimization of hard conversions. Soft conversions can -dnl actually benefit little. -dnl -AC_MSG_CHECKING([whether exception handling functions is checked during data conversions]) -AC_ARG_ENABLE([dconv-exception], - [AC_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 - -dnl ---------------------------------------------------------------------- -dnl Decide whether the data accuracy has higher priority during data -dnl conversions. If not, some hard conversions will still be prefered even -dnl though the data may be wrong (for example, some compilers don't -dnl support denormalized floating values) to maximize speed. -dnl -AC_MSG_CHECKING([whether data accuracy is guaranteed during data conversions]) -AC_ARG_ENABLE([dconv-accuracy], - [AC_HELP_STRING([--enable-dconv-accuracy], - [if data accuracy is guaranteed during - data conversions [default=yes]])], - [DATA_ACCURACY=$enableval], [DATA_ACCURACY=yes]) - -if test "$DATA_ACCURACY" = "yes"; then - AC_MSG_RESULT([yes]) - AC_DEFINE([WANT_DATA_ACCURACY], [1], - [Data accuracy is prefered to speed during data conversions]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can handle converting -dnl denormalized floating-point values. -dnl (This flag should be set for all machines, except for the Crays, where -dnl the cache value is set in it's config file) -dnl -AC_MSG_CHECKING([if converting denormalized floating-point values is possible]) -AC_CACHE_VAL([hdf5_cv_convert_denormal_float], [hdf5_cv_convert_denormal_float=yes]) - -if test ${hdf5_cv_convert_denormal_float} = "yes"; then - AC_DEFINE([CONVERT_DENORMAL_FLOAT], [1], - [Define if your system can handle converting denormalized floating-point values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can handle converting -dnl floating-point to long long values. -dnl (This flag should be _unset_ for all machines, except for Windows, where -dnl it's set in the custom Windows H5pubconf.h file) -dnl -AC_MSG_CHECKING([if converting floating-point values to long long is not working]) -AC_CACHE_VAL([hdf5_cv_convert_float_llong_not_works], [hdf5_cv_convert_float_llong_not_works=no]) - -if test ${hdf5_cv_convert_float_llong_not_works} = "yes"; then - AC_DEFINE([HW_FP_TO_LLONG_NOT_WORKS], [1], - [Define if your system can't handle converting floating-point values to long long.]) - AC_MSG_RESULT([true]) -else - AC_MSG_RESULT([false]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine has window style pathname, -dnl that is, "drive-letter:\" (e.g. "C:") or "drive-letter:/" (e.g. "C:/"). -dnl (This flag should be _unset_ for all machines, except for Windows, where -dnl it's set in the custom Windows H5pubconf.h file) -dnl -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 - -dnl ----------------------------------------------------------------------- -dnl Set flag to indicate that the machine can handle conversion from -dnl long double to integers accurately. This flag should be set "yes" for -dnl all machines except all SGIs. For SGIs, some conversions are -dnl incorrect and its cache value is set "no" in its config/irix6.x and -dnl irix5.x. -dnl -AC_MSG_CHECKING([if converting from long double to integers is accurate]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_integer_accurate=${hdf5_cv_ldouble_to_integer_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_accurate], [hdf5_cv_ldouble_to_integer_accurate=yes]) -fi - -if test "${hdf5_cv_ldouble_to_integer_accurate}" = "yes"; then - AC_DEFINE([LDOUBLE_TO_INTEGER_ACCURATE], [1], - [Define if your system can convert long double to integers accurately.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ----------------------------------------------------------------------- -dnl Set flag to indicate that the machine can do conversion from -dnl long double to integers regardless of accuracy. This flag should be -dnl set "yes" for all machines except HP-UX 11.00. For HP-UX 11.00, the -dnl compiler has 'floating exception' when converting 'long double' to all -dnl integers except 'unsigned long long'. Other HP-UX systems are unknown -dnl yet. (1/8/05 - SLU) - -AC_MSG_CHECKING([if converting from long double to integers works]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_integer_works=${hdf5_cv_ldouble_to_integer_works=no} -else - AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_works], - [AC_TRY_RUN([ - int main(void) - { - void *align; - long double ld= 9701917572145405952.00L; - unsigned char v1; - short v2; - unsigned int v3; - int ret = 0; - - align = (void*)malloc(sizeof(long double)); - memcpy(align, &ld, sizeof(long double)); - - /*For HU-UX11.00, there's floating exception(core dump) when doing some of casting - *from 'long double' to integers*/ - v1=(unsigned char)(*((long double*)align)); - v2=(short)(*((long double*)align)); - v3=(unsigned int)(*((long double*)align)); - - done: - exit(ret); - } - ], [hdf5_cv_ldouble_to_integer_works=yes], [hdf5_cv_ldouble_to_integer_works=no],)]) -fi - -if test ${hdf5_cv_ldouble_to_integer_works} = "yes"; then - AC_DEFINE([LDOUBLE_TO_INTEGER_WORKS], [1], - [Define if your system can convert from long double to integer values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ----------------------------------------------------------------------- -dnl Set flag to indicate that the machine can handle conversion from -dnl integers to long double. (This flag should be set "yes" for all -dnl machines except all SGIs, where some conversions are -dnl incorrect and its cache value is set "no" in its config/irix6.x and -dnl irix5.x) -dnl -AC_MSG_CHECKING([if accurately converting from integers to long double]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_integer_to_ldouble_accurate=${hdf5_cv_integer_to_ldouble_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_integer_to_ldouble_accurate], [hdf5_cv_integer_to_ldouble_accurate=yes]) -fi - -if test ${hdf5_cv_integer_to_ldouble_accurate} = "yes"; then - AC_DEFINE([INTEGER_TO_LDOUBLE_ACCURATE], [1], - [Define if your system can accurately convert from integers to long double values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl 'unsigned long' to 'float' values. -dnl (This flag should be set for all machines, except for Pathscale compiler -dnl on Sandia's Linux machine where the compiler interprets 'unsigned long' -dnl values as negative when the first bit of 'unsigned long' is on during -dnl the conversion to float.) -dnl -AC_MSG_CHECKING([if accurately converting unsigned long to float values]) - -AC_CACHE_VAL([hdf5_cv_ulong_to_float_accurate], - [AC_TRY_RUN([ - int main(void) - { - int ret = 0; - unsigned long l1; - unsigned long l2; - unsigned long l3; - float f1; - float f2; - float f3; - - - if(sizeof(unsigned long)==8) { - l1 = 0xffffffffffffffffUL; - l2 = 0xffffffffffff0000UL; - l3 = 0xf000000000000000UL; - - f1 = (float)l1; - f2 = (float)l2; - f3 = (float)l3; - - if((f1 < 0) || (f2 < 0) || (f3 < 0)) - ret = 1; - } - -done: - exit(ret); - } - ], [hdf5_cv_ulong_to_float_accurate=yes], [hdf5_cv_ulong_to_float_accurate=no],)]) - -if test ${hdf5_cv_ulong_to_float_accurate} = "yes"; then - AC_DEFINE([ULONG_TO_FLOAT_ACCURATE], [1], - [Define if your system accurately converting unsigned long to float values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl 'unsigned (long) long' values to 'float' and 'double' values. -dnl (This flag should be set for all machines, except for the SGIs, where -dnl the cache value is set in the config/irix6.x config file) and Solaris -dnl 64-bit machines, where the short program below tests if round-up is -dnl correctly handled. -dnl -AC_MSG_CHECKING([if accurately converting unsigned long long to floating-point values]) - -if test ${host_os_novers} = "solaris2.x"; then - AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate], - [AC_TRY_RUN([ - int main(void) - { - unsigned long l1; - unsigned long l2; - unsigned long l3; - unsigned long l4; - unsigned long long ld1; - unsigned long long ld2; - unsigned long long ld3; - unsigned long long ld4; - double d1, d2, d3, d4; - unsigned char s[8]; - int ret = 0; - - if(sizeof(unsigned long)==8) { - l1 = 0xf000000000000b00UL; /*Round-down case*/ - l2 = 0xf000000000000401UL; /*Round-up case*/ - l3 = 0xf000000000000400UL; /*Round-down case*/ - l4 = 0xf000000000000c00UL; /*Round-up case*/ - - d1 = (double)l1; - d2 = (double)l2; - d3 = (double)l3; - d4 = (double)l4; - } else if(sizeof(unsigned long long)==8) { - ld1 = 0xf000000000000b00ULL; /*Round-down case*/ - ld2 = 0xf000000000000401ULL; /*Round-up case*/ - ld3 = 0xf000000000000400ULL; /*Round-down case*/ - ld4 = 0xf000000000000c00ULL; /*Round-up case*/ - - d1 = (double)ld1; - d2 = (double)ld2; - d3 = (double)ld3; - d4 = (double)ld4; - } else { - ret = 1; - goto done; - } - - memcpy(s, &d1, 8); - if(s[7]!=1) - ret = 1; - - memcpy(s, &d2, 8); - if(s[7]!=1) - ret = 1; - - memcpy(s, &d3, 8); - if(s[7]!=0) - ret = 1; - - memcpy(s, &d4, 8); - if(s[7]!=2) - ret = 1; - -done: - exit(ret); - } - ], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=no],)]) -else - AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes]) -fi - -if test ${hdf5_cv_ulong_to_fp_bottom_bit_accurate} = "yes"; then - AC_DEFINE([ULONG_TO_FP_BOTTOM_BIT_ACCURATE], [1], - [Define if your system can accurately convert unsigned (long) long values to floating-point values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl 'float' or 'double' to 'unsigned long long' values. -dnl (This flag should be set for all machines, except for PGI compiler -dnl where round-up happens when the fraction of float-point value is greater -dnl than 0.5. -dnl -AC_MSG_CHECKING([if accurately roundup converting floating-point to unsigned long long values]) - -AC_CACHE_VAL([hdf5_cv_fp_to_ullong_accurate], - [AC_TRY_RUN([ - int main(void) - { - float f = 111.60f; - double d = 222.55L; - unsigned long long l1 = (unsigned long long)f; - unsigned long long l2 = (unsigned long long)d; - int ret = 0; - - if(l1 == 112) - ret = 1; - if(l2 == 223) - ret = 1; - -done: - exit(ret); - } - ], [hdf5_cv_fp_to_ullong_accurate=yes], [hdf5_cv_fp_to_ullong_accurate=no],)]) - -if test ${hdf5_cv_fp_to_ullong_accurate} = "yes"; then - AC_DEFINE([FP_TO_ULLONG_ACCURATE], [1], - [Define if your system roundup accurately converting floating-point to unsigned long long values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl 'float', 'double' or 'long double' to 'unsigned long long' values. -dnl (This flag should be set for all machines, except for HP-UX machines -dnl where the maximal number for unsigned long long is 0x7fffffffffffffff -dnl during conversion. -dnl -AC_MSG_CHECKING([if right maximum converting floating-point to unsigned long long values]) - -AC_CACHE_VAL([hdf5_cv_fp_to_ullong_right_maximum], - [AC_TRY_RUN([ - int main(void) - { - float f = 9701917572145405952.00f; - double d1 = 9701917572145405952.00L; - long double d2 = 9701917572145405952.00L; - double d3 = 2e40L; - unsigned long long l1 = (unsigned long long)f; - unsigned long long l2 = (unsigned long long)d1; - unsigned long long l3 = (unsigned long long)d2; - unsigned long long l4; - unsigned long long l5 = 0x7fffffffffffffffULL; - int ret = 0; - - if(l1 <= l5 || l2 <= l5 || l3 <= l5) - ret = 1; - - l4 = (unsigned long long)d3; - if(l4 <= l5) - ret = 1; - -done: - exit(ret); - } - ], [hdf5_cv_fp_to_ullong_right_maximum=yes], [hdf5_cv_fp_to_ullong_right_maximum=no],)]) - -if test ${hdf5_cv_fp_to_ullong_right_maximum} = "yes"; then - AC_DEFINE([FP_TO_ULLONG_RIGHT_MAXIMUM], [1], - [Define if your system has right maximum convert floating-point to unsigned long long values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl 'long double' to 'unsigned int' values. (This flag should be set for -dnl all machines, except for some Intel compilers on some Linux.) -dnl -AC_MSG_CHECKING([if correctly converting long double to unsigned int values]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_uint_accurate=${hdf5_cv_ldouble_to_uint_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_ldouble_to_uint_accurate], - [AC_TRY_RUN([ - int main(void) - { - long double ld = 2733248032.9183987530L; - unsigned int i; - int ret = 0; - - i = (unsigned int)ld; - if(i!=2733248032 && i!=2733248031 && i!=2733248033) - ret = 1; - - done: - exit(ret); - } - ], [hdf5_cv_ldouble_to_uint_accurate=yes], [hdf5_cv_ldouble_to_uint_accurate=no],)]) -fi - -if test ${hdf5_cv_ldouble_to_uint_accurate} = "yes"; then - AC_DEFINE([LDOUBLE_TO_UINT_ACCURATE], [1], - [Define if your system can convert long double to unsigned int values correctly.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can _compile_ -dnl 'unsigned long long' to 'float' and 'double' typecasts. -dnl (This flag should be set for all machines, except for under Windows when -dnl compiled with Visual Studio 6, where the macro value is set in the -dnl src/H5pubconf.h file) -dnl -AC_MSG_CHECKING([if compiling unsigned long long to floating-point typecasts work]) -AC_CACHE_VAL([hdf5_cv_ullong_to_fp_cast_works], [hdf5_cv_ullong_to_fp_cast_works=yes]) - -if test ${hdf5_cv_ullong_to_fp_cast_works} = "yes"; then - AC_DEFINE([ULLONG_TO_FP_CAST_WORKS], [1], - [Define if your system can compile unsigned long long to floating-point casts.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can _compile_ -dnl 'long long' to 'float' and 'double' typecasts. -dnl (This flag should be set for all machines, except for under Windows when -dnl compiled with Visual Studio 6, where the macro value is set in the -dnl src/H5pubconf.h file) -dnl -AC_MSG_CHECKING([if compiling long long to floating-point typecasts work]) -AC_CACHE_VAL([hdf5_cv_llong_to_fp_cast_works], [hdf5_cv_llong_to_fp_cast_works=yes]) - -if test ${hdf5_cv_llong_to_fp_cast_works} = "yes"; then - AC_DEFINE([LLONG_TO_FP_CAST_WORKS], [1], - [Define if your system can compile long long to floating-point casts.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can convert from -dnl 'unsigned long long' to 'long double' without precision loss. -dnl (This flag should be set for all machines, except for FreeBSD(sleipnir) -dnl where the last 2 bytes of mantissa are lost when compiler tries to do -dnl the conversion, and Cygwin where compiler doesn't do rounding correctly.) -dnl -AC_MSG_CHECKING([if converting unsigned long long to long double with precision]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ullong_to_ldouble_precision=${hdf5_cv_ullong_to_ldouble_precision=no} -else - AC_CACHE_VAL([hdf5_cv_ullong_to_ldouble_precision], - [AC_TRY_RUN([ - #include <stdlib.h> - #include <string.h> - - int main(void) - { - /* General variables */ - int endian; - int tst_value = 1; - int ret = 0; - - /* For FreeBSD */ - unsigned long long l = 0xa601e80bda85fcefULL; - long double ld; - unsigned char *c1, *c2; - size_t size; - - /* For Cygwin */ - unsigned long long l_cyg = 0xfffffffffffffff0ULL; - long double ld_cyg; - unsigned char *c2_cyg; - size_t size_cyg; - - - /* Determine this system's endianess */ - c1 = (unsigned char*)calloc(1, sizeof(int)); - memcpy((void*)c1, &tst_value, sizeof(int)); - if(c1[0]==1) - endian = 0; /* little endian */ - else - endian = 1; /* big endian */ - - /* For FreeBSD */ - size = sizeof(long double); - memset(&ld, 0, size); - ld = (long double)l; - - c2 = (unsigned char*)calloc(1, size); - memcpy((void*)c2, &ld, size); - - /* Test if the last 2 bytes of mantissa are lost. Mainly for FreeBSD on Intel - * architecture(sleipnir) where it happens. */ - /*if(endian==0 && c2[0]==0 && c2[1]==0)*/ /*little endian*/ - if(endian==0 && c2[0]==0) { /*little endian*/ - ret = 1; - goto done; - } - - /* For Cygwin */ - size_cyg = sizeof(long double); - memset(&ld_cyg, 0, size); - ld_cyg = (long double)l_cyg; - - c2_cyg = (unsigned char*)calloc(1, size_cyg); - memcpy((void*)c2_cyg, &ld_cyg, size_cyg); - - /* Test if the last 4 bytes(roughly) of mantissa are rounded up. Mainly for Cygwin - * where the values like 0xffffffffffffffff, 0xfffffffffffffffe, ..., - * 0xfffffffffffff000 ... are rounded up as 0x0000403f8000000000000000 - * instead of 0x0000403effffffffffffffff, 0x0000403efffffffffffffffe, ..., - * 0x0000403efffffffffffff000 ... - */ - if(endian==0 && c2_cyg[0]==0 && c2_cyg[1]==0 && c2_cyg[2]==0 && c2_cyg[3]==0) - ret = 1; - - done: - if(c1) - free(c1); - if(c2) - free(c2); - if(c2_cyg) - free(c2_cyg); - exit(ret); - } - ], [hdf5_cv_ullong_to_ldouble_precision=yes], [hdf5_cv_ullong_to_ldouble_precision=no],)]) -fi - -if test ${hdf5_cv_ullong_to_ldouble_precision} = "yes"; then - AC_DEFINE([ULLONG_TO_LDOUBLE_PRECISION], [1], - [Define if your system can convert unsigned long long to long double with correct precision.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can handle overflow converting -dnl all floating-point to all integer types. -dnl (This flag should be set for all machines, except for Cray X1 where -dnl floating exception is generated when the floating-point value is greater -dnl than the maximal integer value). -dnl -AC_MSG_CHECKING([if overflows normally converting floating-point to integer values]) - -AC_CACHE_VAL([hdf5_cv_fp_to_integer_overflow_works], - [AC_TRY_RUN([ - int main(void) - { - float f = 2147483648.0f; - int i; - - i = (int)f; - -done: - exit(0); - } - ], [hdf5_cv_fp_to_integer_overflow_works=yes], [hdf5_cv_fp_to_integer_overflow_works=no],)]) - -if test ${hdf5_cv_fp_to_integer_overflow_works} = "yes"; then - AC_DEFINE([FP_TO_INTEGER_OVERFLOW_WORKS], [1], - [Define if your system can handle overflow converting floating-point to integer values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine is using a special algorithm to convert -dnl 'long double' to '(unsigned) long' values. (This flag should only be set for -dnl the IBM Power6 Linux. When the bit sequence of long double is -dnl 0x4351ccf385ebc8a0bfcc2a3c3d855620, the converted value of (unsigned)long -dnl is 0x004733ce17af227f, not the same as the library's conversion to 0x004733ce17af2282. -dnl The machine's conversion gets the correct value. We define the macro and disable -dnl this kind of test until we figure out what algorithm they use. -dnl -AC_MSG_CHECKING([if using special algorithm to convert long double to (unsigned) long values]) - -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_TRY_RUN([ - int main(void) - { - long double ld = 20041683600089727.779961L; - long ll; - unsigned long ull; - unsigned char s[16]; - unsigned char s2[8]; - int ret = 1; - - if(sizeof(long double) == 16 && sizeof(long) == 8) { - /*make sure the long double type has 16 bytes in size and - * 11 bits of exponent. If it is, - *the bit sequence should be like below. It's not - *a decent way to check but this info isn't available. */ - memcpy(s, &ld, 16); - if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 && - s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 && - s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) { - - /* Assign the hexadecimal value of long double type. */ - s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3; - s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0; - s[8]=0xbf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c; - s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20; - - memcpy(&ld, s, 16); - - ll = (long)ld; - memcpy(s2, &ll, 8); - - /* The library's algorithm converts it to 0x 00 47 33 ce 17 af 22 82 - * and gets wrong value 20041683600089730 on the IBM Power6 Linux. - * But the IBM Power6 Linux converts it to 0x00 47 33 ce 17 af 22 7f - * and gets the correct value 20041683600089727. It uses some special - * algorithm. We're going to define the macro and skip the test until - * we can figure out how they do it. */ - if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce && - s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f) - ret = 0; - - ull = (unsigned long)ld; - memcpy(s2, &ull, 8); - - /* The unsigned long is the same as signed long. */ - if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce && - s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f) - ret = 0; - } - } - - done: - exit(ret); - } - ], [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 - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine is using a special algorithm -dnl to convert some values of '(unsigned) long' to 'long double' values. -dnl (This flag should be off for all machines, except for IBM Power6 Linux, -dnl when the bit sequences are 003fff..., 007fff..., 00ffff..., 01ffff..., -dnl ..., 7fffff..., the compiler uses a unknown algorithm. We define a -dnl macro and skip the test for now until we know about the algorithm. -dnl -AC_MSG_CHECKING([if using special algorithm to convert (unsigned) long to long double values]) - -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_TRY_RUN([ - int main(void) - { - long double ld; - long ll; - unsigned long ull; - unsigned char s[16]; - int flag=0, ret=1; - - /*Determine if long double has 16 byte in size, 11 bit exponent, and - *the bias is 0x3ff */ - if(sizeof(long double) == 16) { - ld = 1.0L; - memcpy(s, &ld, 16); - if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 && - s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00) - flag = 1; - } - - if(flag==1 && sizeof(long)==8) { - ll = 0x003fffffffffffffL; - ld = (long double)ll; - memcpy(s, &ld, 16); - /* The library converts the value to 0x434fffffffffffff8000000000000000. - * In decimal it is 18014398509481982.000000, one value short of the original. - * The IBM Power6 Linux converts it to 0x4350000000000000bff0000000000000. - * The value is correct in decimal. It uses some special - * algorithm. We're going to define the macro and skip the test until - * we can figure out how they do it. */ - if(s[0]==0x43 && s[1]==0x50 && s[2]==0x00 && s[3]==0x00 && - s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 && - s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 && - s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00) - ret = 0; - } - if(flag==1 && sizeof(unsigned long)==8) { - ull = 0xffffffffffffffffUL; - ld = (long double)ull; - memcpy(s, &ld, 16); - /* Use a different value from signed long to test. The problem is the same - * for both long and unsigned long. The value is 18446744073709551615. - * The library converts the value to 0x43effffffffffffffe000000000000000. - * In decimal it's 18446744073709548544.000000, very different from the original. - * The IBM Power6 Linux converts it to 0x43f0000000000000bff0000000000000. - * The value is correct in decimal. It uses some special - * algorithm. We're going to define the macro and skip the test until - * we can figure out how they do it. */ - if(s[0]==0x43 && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 && - s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 && - s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 && - s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00) - ret = 0; - } - done: - exit(ret); - } - ], [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 - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl 'long double' to '(unsigned) long long' values. (This flag should be set for -dnl all machines, except for Mac OS 10.4 and SGI IRIX64 6.5. When the bit sequence -dnl of long double is 0x4351ccf385ebc8a0bfcc2a3c..., the values of (unsigned)long long -dnl start to go wrong on these two machines. Adjusting it higher to -dnl 0x4351ccf385ebc8a0dfcc... or 0x4351ccf385ebc8a0ffcc... will make the converted -dnl values wildly wrong. This test detects this wrong behavior and disable the test. -dnl -AC_MSG_CHECKING([if correctly converting long double to (unsigned) long long values]) - -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_TRY_RUN([ - int main(void) - { - long double ld = 20041683600089727.779961L; - long long ll; - unsigned long long ull; - unsigned char s[16]; - int ret = 0; - - if(sizeof(long double) == 16) { - /*make sure the long double type is the same as the failing type - *which has 16 bytes in size and 11 bits of exponent. If it is, - *the bit sequence should be like below. It's not - *a decent way to check but this info isn't available. */ - memcpy(s, &ld, 16); - if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 && - s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 && - s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) { - - /*slightly adjust the bit sequence (s[8]=0xdf). The converted - *values will go wild on Mac OS 10.4 and IRIX64 6.5.*/ - s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3; - s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0; - s[8]=0xdf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c; - s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20; - - memcpy(&ld, s, 16); - ll = (long long)ld; - ull = (unsigned long long)ld; - - if(ll != 20041683600089728 || ull != 20041683600089728) - ret = 1; - } - } - done: - exit(ret); - } - ], [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 - - -dnl ---------------------------------------------------------------------- -dnl Set the flag to indicate that the machine can accurately convert -dnl '(unsigned) long long' to 'long double' values. 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