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], [1.9.80-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]) 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 If AM_MAINTAINER_MODE dnl is *not* included here, these files will be rebuilt if out of date.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_/' 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 $host_alias in redstorm) host_alias=x86_64-redstorm-linux-gnu ;; esac AC_CANONICAL_HOST AC_SUBST([CPPFLAGS]) dnl H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but dnl not exported to h5cc (or h5fc, etc.) AC_SUBST([H5_CFLAGS]) AC_SUBST([H5_CPPFLAGS]) AC_SUBST([H5_FCFLAGS]) AC_SUBST([H5_CXXFLAGS]) dnl AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5, dnl and WILL be exported to h5cc (or h5fc, etc) if set by configure. AC_SUBST([AM_CFLAGS]) AC_SUBST([AM_FCFLAGS]) AC_SUBST([AM_CXXFLAGS]) AC_SUBST([AM_CPPFLAGS]) AC_SUBST([AM_LDFLAGS]) dnl Make sure flags are set to something (otherwise macros may set them later). AM_CFLAGS="${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 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(FC) HDF_FORTRAN=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 $host_os in aix4.*) host_os_novers=aix4.x ;; aix5.*) host_os_novers=aix5.x ;; aix6.*) host_os_novers=aix6.x ;; freebsd*) host_os_novers=freebsd ;; irix5.*) host_os_novers=irix5.x ;; irix6.*) host_os_novers=irix6.x ;; osf4.*) host_os_novers=osf4.x ;; osf5.*) host_os_novers=osf5.x ;; solaris2.*) host_os_novers=solaris2.x ;; *) host_os_novers=$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-$ALLOW_UNSUPPORTED" in X-|X-no) AC_MSG_RESULT([no]) ;; X-yes) AC_MSG_RESULT([yes]) ;; *) ;; esac dnl ---------------------------------------------------------------------- dnl Check if they would like the Fortran interface compiled dnl AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES="" AC_MSG_CHECKING([if Fortran interface enabled]) AC_ARG_ENABLE([fortran], [AC_HELP_STRING([--enable-fortran], [Compile the Fortran interface [default=no]])], [HDF_FORTRAN=$enableval]) HAVE_SIZEOF="no" FORTRAN_DEFAULT_REALisDBLE="no" if test "X$HDF_FORTRAN" = "Xyes"; then echo "yes" HDF5_INTERFACES="$HDF5_INTERFACES fortran" 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="$AM_FCFLAGS_saved") dnl -------------------------------------------------------------------- dnl See if the fortran compiler supports the intrinsic function "SIZEOF" AC_MSG_CHECKING([if Fortran compiler supports intrinsic SIZEOF]) AC_TRY_RUN([ PROGRAM main i = sizeof(x) END PROGRAM ], [AC_MSG_RESULT(yes) HAVE_SIZEOF="yes"], AC_MSG_RESULT(no)) dnl Check to see if -r8 was specified to determine if we need to dnl compile the DOUBLE PRECISION interfaces. AC_MSG_CHECKING([if Fortran default REAL is DOUBLE PRECISION]) AC_TRY_RUN([ MODULE type_mod INTERFACE h5t MODULE PROCEDURE h5t_real MODULE PROCEDURE h5t_dble END INTERFACE CONTAINS SUBROUTINE h5t_real(r) REAL :: r END SUBROUTINE h5t_real SUBROUTINE h5t_dble(d) DOUBLE PRECISION :: d END SUBROUTINE h5t_dble END MODULE type_mod PROGRAM main USE type_mod REAL :: r DOUBLE PRECISION :: d CALL h5t(r) CALL h5t(d) END PROGRAM main ], AC_MSG_RESULT(no), [AC_MSG_RESULT(yes) FORTRAN_DEFAULT_REALisDBLE="yes"]) dnl Change back to the C language AC_LANG_POP(Fortran) else echo "no" FC="no" fi AM_CONDITIONAL([FORTRAN_HAVE_SIZEOF], [test "X$HAVE_SIZEOF" = "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 $CXX needs old style header files in includes]) AC_TRY_RUN([ #include int main(void) { return 0; } ], [ echo no ], [ echo yes CXXFLAGS="${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 $CXX supports std]) AC_TRY_RUN([ #include using namespace std; int main(void) { string myString("testing namespace std"); return 0; } ], [ echo yes ], [ echo no CXXFLAGS="${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 #include ],[ 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 $CXX can handle static cast]) AC_TRY_RUN([ int main(void) { float test_float; int test_int; test_float = 37.0; test_int = static_cast (test_float); return 0; } ], [ echo yes ], [ echo no CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST" AM_CXXFLAGS="${AM_CXXFLAGS} -DNO_STATIC_CAST" ]) else echo "no" CXX="no" fi dnl Change back to the C language AC_LANG_POP(C++) dnl ---------------------------------------------------------------------- dnl Check if they have Perl installed on their system. AC_CHECK_PROGS([PERL], [perl],, [$PATH]) 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. This is okay on most systems, dnl but seems to cause problems on Cygwin. dnl The solution on Cygwin is not to record execution time for tests. AC_MSG_CHECKING([if srcdir= and time commands work together]) AC_SUBST([TIME]) TIME=time TIME_TEST=`foo="bar" ${TIME} echo 'baz' 2> /dev/null | grep baz` if test "X${TIME_TEST}" = "Xbaz"; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) TIME= fi dnl The following variables are used to distinguish between building a dnl serial and parallel library. dnl dnl HAVE_PARALLEL -- defined in H5config.h if we are building dnl a parallel library even if configure wasn't dnl able to find some header file or library that dnl might be required. This is defined if the dnl compiler looks like a parallel compiler (e.g., dnl mpicc or mpcc) or if the user explicitly states dnl that a parallel library is being built by supplying dnl the `--enable-parallel' configure switch. dnl dnl PARALLEL -- This variable is set to a non-null value if dnl configure thinks we're compiling a parallel dnl version of the library. dnl dnl RUNSERIAL -- This is a command which will be prepended to dnl the executable name to run the executable using dnl a single process. For serial versions of the dnl library this will normally be empty. For parallel dnl versions it might be something like `mpiexec -n 1'. dnl The value of this variable is substituted in *.in dnl files. dnl dnl RUNPARALLEL -- This is a command which will be prepended to dnl the executable name to run the executable on dnl multiple processors. For the serial library the dnl value will normally be the empty string. For dnl parallel library it should be something like dnl "mpiexec -n \$\${NPROCS:=6}" where NPROCS will dnl eventually contain the number of processors on which dnl to run the executable (the double dollarsigns are to dnl protect the expansion until make executes the dnl command). The value of this variable is dnl substituted in *.in files. dnl AC_SUBST([PARALLEL]) AC_SUBST([RUNSERIAL]) AC_SUBST([RUNPARALLEL]) AC_SUBST([TESTPARALLEL]) dnl ---------------------------------------------------------------------- dnl If the compiler is obviously a parallel compiler then we're building dnl a parallel version of hdf5 and should define HAVE_PARALLEL. Furthermore, dnl the name of the compiler might tell us how to run the resulting dnl executable. For `mpicc' the executable should be run with `mpiexec' from dnl the same directory as mpicc if it exists. dnl case "$CC_BASENAME" in mpicc) dnl The mpich compiler. Use mpiexec from the same directory if it dnl exists. PARALLEL=mpicc AC_MSG_CHECKING([for mpiexec]) dnl Find the path where mpicc is located. cmd="`echo $CC | cut -f1 -d' '`" if (echo $cmd | grep / >/dev/null); then path="`echo $cmd | sed 's/\(.*\)\/.*$/\1/'`" else for path in `echo $PATH | ${TR} ":" " "`; do if test -x $path/$cmd; then break fi done fi dnl Is there an mpiexec at that path? if test -x $path/mpiexec; then AC_MSG_RESULT([$path/mpiexec]) RUNSERIAL="${RUNSERIAL:-none}" if test -z "$RUNPARALLEL"; then RUNPARALLEL="$path/mpiexec -n \$\${NPROCS:=6}" fi else AC_MSG_RESULT([none]) fi ;; mpcc|mpcc_r) dnl The IBM compiler PARALLEL="$CC_BASENAME" ;; *) dnl Probably not a parallel compiler, but if `--enable-parallel' dnl is defined below then we're still building a parallel hdf5. ;; esac dnl ---------------------------------------------------------------------- dnl If the Fortran compiler is obviously a parallel compiler then we're dnl building a parallel version of hdf5 and should define HAVE_PARALLEL. dnl Furthermore, the name of the compiler might tell us how to run the dnl resulting executable. For `mpif90' the executable should be run with dnl `mpiexec' from the same directory as mpif90 if it exists. dnl if test "X$HDF_FORTRAN" = "Xyes"; then dnl Change to the Fortran 90 language AC_LANG_PUSH(Fortran) case "$FC" in *mpif90*) dnl The Fortran mpich compiler. Use mpiexec from the same directory dnl if it exists. PARALLEL=mpif90 AC_MSG_CHECKING([for mpiexec]) dnl Find the path where mpif90 is located. cmd=`echo $FC |cut -f1 -d' '` if (echo $cmd |grep / >/dev/null); then path="`echo $cmd |sed 's/\(.*\)\/.*$/\1/'`" else for path in `echo $PATH | ${TR} ":" " "`; do if test -x $path/$cmd; then break; fi done fi dnl Is there an mpiexec at that path? if test -x $path/mpiexec; then AC_MSG_RESULT([$path/mpiexec]) RUNSERIAL="${RUNSERIAL:-none}" if test -z "$RUNPARALLEL"; then RUNPARALLEL="$path/mpiexec -n \$\${NPROCS:=6}" fi else AC_MSG_RESULT([none]) fi ;; *mpxlf* | *mpxlf_r* | *mpxlf90* | *mpxlf90_r* | *mpxlf95* | *mpxlf95_r*) dnl The IBM compiler PARALLEL="$FC" ;; *) dnl Probably not a parallel compiler, but if `--enable-parallel' dnl is defined below then we're still building a parallel hdf5. ;; esac dnl Change to the C language AC_LANG_POP(Fortran) fi dnl ----------------------------------------------------------------------------- dnl If shared libraries are being used with parallel, disable them, unless the dnl user explicity enables them via the '--enable-shared' option. if test "X${enable_shared}" = "X" -a "X${enable_parallel}" = "Xyes"; then echo ' shared libraries disabled in parallel' enable_shared="no" elif test "X${enable_shared}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then echo ' shared libraries explicitly enabled by user' elif test "X${enable_shared}" = "X" -a "X${PARALLEL}" != "X"; then echo ' shared libraries disabled when a parallel compiler is being used' enable_shared="no" elif test "X${enable_shared}" = "Xyes" -a "X${PARALLEL}" != "X"; then echo ' shared libraries explicitly enabled by user' fi dnl ---------------------------------------------------------------------- dnl Many Fortran compilers don't support shared libraries. Some of these dnl compilers include: dnl pgf90 version 6.0-4 dnl Absoft 32bit Fortran 95 9.0 dnl HP F90 v2.4 dnl Intel Fortran Compiler 8.1 dnl If any of these compilers is being used, disable shared libraries for dnl Fortran. 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AC_MSG_CHECKING([if large (64-bit) files are supported on this system.]) AC_CACHE_VAL([hdf5_cv_have_lfs], [AC_TRY_RUN([ #include #include #include #include #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 defines dnl __USE_POSIX, which is required to get the prototype for fdopen dnl defined correctly in . 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. HDfdopen dnl is used only by H5_debug_mask which is used only when debugging in dnl H5_init_library (all in H5.c). When the flag was removed this was dnl the only compile failure noted; however, defining the Macro dnl makes available the functionality from the POSIX.1 standard as well dnl as all or the ISO C facilities, according to a discussion of dnl defining the _POSIX_SOURCE, _BSD_SOURCE, and _POSIX_C_SOURCE Macros dnl and their interaction found at dnl http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html. H5_CPPFLAGS="-D_POSIX_SOURCE $H5_CPPFLAGS" dnl Also add BSD support on Linux systems, so defines dnl __USE_BSD, which is required to get the prototype for strdup dnl defined correctly in and snprintf & vsnprintf defined dnl correctly in AM_CPPFLAGS="-D_BSD_SOURCE $AM_CPPFLAGS" ;; esac dnl Need to add AM_CPPFLAGS into CPPFLAGS to make them visible for configure checks. dnl Note: CPPFLAGS will be restored by the end of configure. 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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 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_SZIP_CONDITIONAL], [test "X$USE_FILTER_SZIP" = "Xyes"]) dnl Checkpoint the cache AC_CACHE_SAVE dnl ---------------------------------------------------------------------- dnl Is the Pthreads library present? It has a header file `pthread.h' and dnl a library `-lpthread' and their locations might be specified with the dnl `--with-pthread' command-line switch. The value is an include path dnl and/or a library path. If the library path is specified then it must dnl be preceded by a comma. dnl AC_SUBST([PTHREAD]) PTHREAD=yes AC_ARG_WITH([pthread], [AC_HELP_STRING([--with-pthread=DIR], [Use the Pthreads library [default=no]])],, withval=no) case "$withval" in yes) AC_CHECK_HEADERS([pthread.h]) AC_CHECK_LIB([pthread], [pthread_create],, [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_create],, [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset PTHREAD]) else AC_CHECK_LIB([pthread], [pthread_create],, [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_create()], [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 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 #include ], [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 #include ], [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 #include ], [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 #include #include ], [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 #include 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 ],[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 ],[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 ],[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 #include #include 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 $LDFLAGS | sed -e 's/-L/:/g' -e 's/ //g'`" export LD_LIBRARY_PATH for hdf5_cv_printf_ll in l ll L q unknown; do AC_TRY_RUN([ #include #include #include int main(void) { char *s = malloc(128); long long x = (long long)1048576 * (long long)1048576; sprintf(s,"%${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 #include #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 ], [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="$H5_CPPFLAGS -UH5_DEBUG_API" ;; esac dnl ---------------------------------------------------------------------- dnl Enable instrumenting of the library's internal operations dnl This must come after the enable-debug since it depends on debug. dnl AC_SUBST([INSTRUMENT_LIBRARY]) AC_MSG_CHECKING([for instrumented library]); AC_ARG_ENABLE([instrument], [AC_HELP_STRING([--enable-instrument], [Enable library instrumentation of optimization tracing. Default=no if debug is disabled.])], INSTRUMENT=$enableval) dnl Default to no if debug is disabled if test "X-$INSTRUMENT" = X- ; then if test -z "$DEBUG_PKG" ; then INSTRUMENT=no else INSTRUMENT=yes fi fi case "X-$INSTRUMENT" in X-yes) AC_MSG_RESULT([yes]) INSTRUMENT_LIBRARY=yes AC_DEFINE([HAVE_INSTRUMENTED_LIBRARY], [1], [Define if library will contain instrumentation to detect correct optimization operation]) ;; X-no|*) AC_MSG_RESULT([no]) INSTRUMENT_LIBRARY=no ;; esac dnl ---------------------------------------------------------------------- dnl Check if they would like to securely clear file buffers before they are dnl written. dnl AC_SUBST([CLEARFILEBUF]) AC_MSG_CHECKING([whether to clear file buffers]) AC_ARG_ENABLE([clear-file-buffers], [AC_HELP_STRING([--enable-clear-file-buffers], [Securely clear file buffers before writing to file. Default=yes.])], [CLEARFILEBUF=$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-$USINGMEMCHECKER" in X-yes) USINGMEMCHECKER=yes AC_MSG_RESULT([yes]) AC_DEFINE([USING_MEMCHECKER], [1], [Define if a memory checking tool will be used on the library, to cause library to be very picky about memory operations and also disable the internal free list manager code.]) ;; *) USINGMEMCHECKER=no AC_MSG_RESULT([no]) ;; esac dnl Checkpoint the cache AC_CACHE_SAVE dnl What header files and libraries do we have to look for for parallel dnl support? For the most part, search paths are already specified with dnl CPPFLAGS and LDFLAGS or are known to the compiler. If the user says dnl `--disable-parallel' but specifies a known parallel compiler (like mpicc dnl or mpcc) then parallel support is enabled but configure doesn't search dnl for any parallel header files or libraries. dnl AC_ARG_ENABLE([parallel], [AC_HELP_STRING([--enable-parallel], [Search for MPI-IO and MPI support files])]) dnl The --enable-parallel flag is not compatible with --enable-cxx. dnl If the user tried to specify both flags, throw an error, unless dnl they also provided the --enable-unsupported flag. if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then if test "X${HDF_CXX}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then AC_MSG_ERROR([--enable-cxx and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.]) fi fi dnl --enable-parallel is also incompatible with --enable-threadsafe, unless dnl --enable-unsupported has been specified on the configure line. if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then if test "X${THREADSAFE}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then AC_MSG_ERROR([--enable-threadsafe and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.]) fi fi dnl It's possible to build in parallel by specifying a parallel compiler dnl without using the --enable-parallel flag. This isn't allowed with dnl C++ or threadsafe, either, unless the --enable-unsupported flag dnl has also been specified. if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then if test "X${PARALLEL}" != "X" -a "X${enable_cxx}" = "Xyes" ; then AC_MSG_ERROR([An MPI compiler is being used; --enable-cxx is not allowed. Use --enable-unsupported to override this error.]) fi if test "X${PARALLEL}" != "X" -a "X${THREADSAFE}" = "Xyes"; then AC_MSG_ERROR([An MPI compiler is being used; --enable-threadsafe is not allowed. Use --enable-unsupported to override this error.]) fi fi AC_MSG_CHECKING([for parallel support files]) case "X-$enable_parallel" in X-|X-no|X-none) dnl Either we are not compiling for parallel or the header and dnl library files and locations are known to the compiler (this is dnl the case for a correct installation of mpicc for instance). AC_MSG_RESULT([skipped]) ;; X-yes) dnl We want to compile a parallel library with a compiler that dnl may already know how to link with MPI and MPI-IO. AC_MSG_RESULT([provided by compiler]) PARALLEL=yes dnl Try link a simple MPI program. If fail, try again with -lmpi and dnl -lmpich. AC_TRY_LINK(, MPI_Init(),, \ AC_CHECK_LIB(mpi, MPI_Init,, \ AC_CHECK_LIB(mpich, MPI_Init,, PARALLEL=no))) dnl Then try link a simple MPI-IO program. If fail, try again with dnl -lmpio. if test "X$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$HDF_FORTRAN" = "Xyes"; then ADD_PARALLEL_FILES="yes" AC_MSG_CHECKING([for MPI_Comm_c2f and MPI_Comm_f2c functions]) AC_TRY_LINK([#include ], [MPI_Comm c_comm; MPI_Comm_c2f(c_comm)], AC_DEFINE([HAVE_MPI_MULTI_LANG_Comm], [1], [Define if `MPI_Comm_c2f' and `MPI_Comm_f2c' exists]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) ) AC_MSG_CHECKING([for MPI_Info_c2f and MPI_Info_f2c functions]) AC_TRY_LINK([#include ], [MPI_Info c_info; MPI_Info_c2f(c_info)], AC_DEFINE([HAVE_MPI_MULTI_LANG_Info], [1], [Define if `MPI_Info_c2f' and `MPI_Info_f2c' exists]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) ) fi dnl -------------------------------------------------------------------- dnl Do we want MPE instrumentation feature on? dnl dnl This must be done after enable-parallel is checked since it depends dnl on a mpich compiler. dnl MPE=yes AC_ARG_WITH([mpe], [AC_HELP_STRING([--with-mpe=DIR], [Use MPE instrumentation [default=no]])],, [withval=no]) case "X-$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 dnl ---------------------------------------------------------------------- dnl Check to see whether the complicate MPI derived datatype works. dnl In Dec. 20th, 2004, we found that IBM's MPIO implemention didn't dnl handle with the displacement of the complicate MPI type derived datatype dnl correctly. So we add the check here. dnl IBM fixed this bug in their new version that supported MPI-IO around spring 2005. dnl We find that mpich 1.2.5 has the similar bug. The same dnl bug also occurs at SGI IRIX 6.5 C with compiler version lower than or equal to 7.3. dnl In case people still use the old compiler, we keep this flag. AC_MSG_CHECKING([if irregular hyperslab optimization code works inside MPI-IO]) AC_CACHE_VAL([hdf5_cv_mpi_complex_derived_datatype_works],[hdf5_cv_mpi_complex_derived_datatype_works=yes]) if test ${hdf5_cv_mpi_complex_derived_datatype_works} = "yes"; then AC_DEFINE([MPI_COMPLEX_DERIVED_DATATYPE_WORKS], [1], [Define if your system can handle complicated MPI derived datatype correctly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Check to see whether MPI-IO can do collective IO successfully when one or more processes don't do dnl any IOs. dnl Up to now(Feb. 8th, 2006), we find that it will cause program hung with mpich 1.2.x version dnl and SGI altix. For those systems, we have to turn off this feature and use independent IO instead. dnl AC_MSG_CHECKING([if MPI-IO can do collective IO when one or more processes don't do IOs]) AC_CACHE_VAL([hdf5_cv_mpi_special_collective_io_works],[hdf5_cv_mpi_special_collective_io_works=yes]) if test ${hdf5_cv_mpi_special_collective_io_works} = "yes"; then AC_DEFINE([MPI_SPECIAL_COLLECTIVE_IO_WORKS], [1], [Define if your system can handle special collective IO properly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi fi dnl ---------------------------------------------------------------------- dnl Turn on internal I/O filters by setting macros in header files dnl Internal I/O filters are contained entirely within the library and do dnl not depend on external headers or libraries. The shuffle filter is dnl an example of an internal filter, while the gzip filter is an example of dnl an external filter. Each external filter is controlled with an dnl "--with-foo=" configure flag. dnl AC_SUBST([FILTERS]) AC_SUBST(USE_FILTER_SHUFFLE) USE_FILTER_SHUFFLE="no" AC_SUBST(USE_FILTER_FLETCHER32) USE_FILTER_FLETCHER32="no" AC_SUBST(USE_FILTER_NBIT) USE_FILTER_NBIT="no" AC_SUBST(USE_FILTER_SCALEOFFSET) USE_FILTER_SCALEOFFSET="no" AC_MSG_CHECKING([for I/O filters]) AC_ARG_ENABLE([filters], [AC_HELP_STRING([--enable-filters=all], [Turn on all internal I/O filters. One may also specify a comma-separated list of filters or the word no. The default is all internal I/O filters.])], [FILTERS=$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 #include #include 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 #include 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. (This flag should be set for dnl all machines, except for Mac OS 10.4, when the bit sequences are 003fff..., dnl 007fff..., 00ffff..., 01ffff..., ..., 7fffff..., the converted values are twice dnl as big as they should be. dnl AC_MSG_CHECKING([if correctly converting (unsigned) long long to long double values]) if test ${ac_cv_sizeof_long_double} = 0; then hdf5_cv_llong_to_ldouble_correct=${hdf5_cv_llong_to_ldouble_correct=no} else AC_CACHE_VAL([hdf5_cv_llong_to_ldouble_correct], [AC_TRY_RUN([ int main(void) { long double ld; long long ll; unsigned long long ull; unsigned char s[16]; int flag=0, ret=0; /*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 long)==8) { ll = 0x01ffffffffffffffLL; ld = (long double)ll; memcpy(s, &ld, 16); /*Check if the bit sequence is as supposed to be*/ if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff || s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff || s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00) ret = 1; } if(flag==1 && sizeof(unsigned long long)==8) { ull = 0x01ffffffffffffffULL; ld = (long double)ull; memcpy(s, &ld, 16); if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff || s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff || s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00) ret = 1; } done: exit(ret); } ], [hdf5_cv_llong_to_ldouble_correct=yes], [hdf5_cv_llong_to_ldouble_correct=no],)]) fi if test ${hdf5_cv_llong_to_ldouble_correct} = "yes"; then AC_DEFINE([LLONG_TO_LDOUBLE_CORRECT], [1], [Define if your system can convert (unsigned) long long to long double values correctly.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set the flag to indicate that the machine generates bad code dnl for the H5V_log2_gen() routine in src/H5Vprivate.h dnl (This flag should be set to no for all machines, except for SGI IRIX64, dnl where the cache value is set to yes in it's config file) dnl AC_MSG_CHECKING([if bad code for log2 routine is generated]) AC_CACHE_VAL([hdf5_cv_bad_log2_code_generated], [hdf5_cv_bad_log2_code_generated=no]) if test ${hdf5_cv_bad_log2_code_generated} = "yes"; then AC_DEFINE([BAD_LOG2_CODE_GENERATED], [1], [Define if your system generates wrong code for log2 routine.]) AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Set some variables for general configuration information to be saved dnl and installed with the libraries. dnl dnl HDF5 version from the first line of the README.txt file. H5_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`" AC_SUBST([H5_VERSION]) dnl Configuration date AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`" dnl User doing the configuration AC_SUBST([CONFIG_USER]) CONFIG_USER="`whoami`@`hostname`" if test -n "$ORGANIZATION"; then CONFIG_USER="$CONFIG_USER at $ORGANIZATION" fi dnl Configuration mode (production, development, profile, etc) saved above. AC_SUBST([CONFIG_MODE]) dnl Byte sex from the AC_C_BIGENDIAN macro. AC_SUBST([BYTESEX]) if test "X$ac_cv_c_bigendian" = "Xyes"; then BYTESEX="big-endian" else BYTESEX="little-endian" fi if test "X$ac_cv_c_bigendian" = "Xyes"; then WORDS_BIGENDIAN="yes" else WORDS_BIGENDIAN="no" fi AC_SUBST([WORDS_BIGENDIAN]) dnl Parallel support? (set above except empty if none) PARALLEL=${PARALLEL:-no} dnl Compiler with version information. This consists of the full path dnl name of the compiler and the reported version number. AC_SUBST([CC_VERSION]) dnl Strip anything that looks like a flag off of $CC CC_NOFLAGS=`echo $CC | sed 's/ -.*//'` if `echo $CC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then CC_VERSION="$CC" else CC_VERSION="$CC"; for x in `echo $PATH | sed -e 's/:/ /g'`; do if test -x $x/$CC_NOFLAGS; then CC_VERSION="$x/$CC" break fi done fi if test -n "$cc_version_info"; then CC_VERSION="$CC_VERSION ( $cc_version_info)" fi AC_SUBST([FC_VERSION]) dnl Strip anything that looks like a flag off of $CC FC_NOFLAGS=`echo $FC | sed 's/ -.*//'` if `echo $FC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then FC_VERSION="$FC" else FC_VERSION="$FC"; for x in `echo $PATH | sed -e 's/:/ /g'`; do if test -x $x/$FC_NOFLAGS; then FC_VERSION="$x/$FC" break fi done fi if test -n "$fc_version_info"; then FC_VERSION="$FC_VERSION ( $fc_version_info)" fi AC_SUBST([CXX_VERSION]) dnl Strip anything that looks like a flag off of $CC CXX_NOFLAGS=`echo $CXX | sed 's/ -.*//'` if `echo $CXX_NOFLAGS | grep ^/ >/dev/null 2>&1`; then CXX_VERSION="$CXX" else CXX_VERSION="$FC"; for x in `echo $PATH | sed -e 's/:/ /g'`; do if test -x $x/$CXX_NOFLAGS; then CXX_VERSION="$x/$CXX" break fi done fi if test -n "$cxx_version_info"; then CXX_VERSION="$CXX_VERSION ( $cxx_version_info)" fi dnl ---------------------------------------------------------------------- dnl Where is the root of the source tree. Give an absolute address so dnl we can find it no matter which directory of the distribution is our dnl current directory. The built-in pwd fails on some systems, but the dnl /bin/pwd version works OK. dnl if test -x /bin/pwd; then pwd=/bin/pwd else pwd=pwd fi AC_SUBST([ROOT]) ROOT="`$pwd`" dnl ---------------------------------------------------------------------- dnl Move any compiler-specific libraries into the main LIBS varaible. dnl LIBS="$DEFAULT_LIBS $LIBS" dnl ---------------------------------------------------------------------- dnl Determine the runtime libraries we may need to include in the dnl libtools command so that executables will find the correct dynamic dnl libraries. dnl AC_SUBST([DYNAMIC_DIRS]) DYNAMIC_DIRS="" if test -n "$AM_LDFLAGS $LDFLAGS"; then for d in $AM_LDFLAGS $LDFLAGS ; do case "$d" in -L*) d="`echo $d | sed -e 's/-L//g'`" case "$d" in .*) dnl If the path isn't absolute, make it so by dnl prepending the ROOT directory to it. d=${ROOT}/$d ;; esac DYNAMIC_DIRS="-R${d} $DYNAMIC_DIRS" ;; esac done fi if test -n "$AM_CPPFLAGS"; then TEMP_CPPFLAGS="" for d in $AM_CPPFLAGS ; do case "$d" in -I.*) dnl If the path isn't absolute, make it so by prepending dnl the ROOT directory to it. d="`echo $d | sed -e 's/-I//g'`" d="-I${ROOT}/${d}" ;; esac TEMP_CPPFLAGS="$d $TEMP_CPPFLAGS" done AM_CPPFLAGS=$TEMP_CPPFLAGS fi dnl ---------------------------------------------------------------------- dnl Check if they would like the High Level library compiled dnl AC_SUBST(HL) HL="" # name of fortran folder inside "hl", if FORTRAN compile is requested AC_SUBST(HL_FOR) HL_FOR="" AC_MSG_CHECKING([if high level library is enabled]) AC_ARG_ENABLE([hl], [AC_HELP_STRING([--enable-hl], [Enable the high level library [default=yes]])], [HDF5_HL=$enableval], [HDF5_HL=yes]) if test "X$HDF5_HL" = "Xyes"; then echo "yes" HL="hl" AC_DEFINE([INCLUDE_HL], [1], [Define if HDF5's high-level library headers should be included in hdf5.h]) else echo "no" fi dnl ---------------------------------------------------------------------- dnl Some programs shouldn't be built by default (e.g., programs to generate dnl data files used by tests, some optional tests). dnl Check if they want such programs built anyway. dnl AC_MSG_CHECKING([additional programs should be built]) AC_ARG_ENABLE([build-all], [AC_HELP_STRING([--enable-build-all], [Build helper programs that only developers should need [default=no]])], [BUILD_ALL=$enableval], [BUILD_ALL=no]) if test "X$BUILD_ALL" = "Xyes"; then echo "yes" else echo "no" fi AM_CONDITIONAL([BUILD_ALL_CONDITIONAL], [test "X$BUILD_ALL" = "Xyes"]) dnl ---------------------------------------------------------------------- dnl Enable deprecated public API symbols dnl AC_SUBST([DEPRECATED_SYMBOLS]) AC_MSG_CHECKING([if deprecated public symbols are available]); AC_ARG_ENABLE([deprecated-symbols], [AC_HELP_STRING([--enable-deprecated-symbols], [Enable deprecated public API symbols [default=yes]])], [DEPREC_SYMBOLS=$enableval], [DEPREC_SYMBOLS=yes]) case "X-$DEPREC_SYMBOLS" in X-yes) AC_MSG_RESULT([yes]) DEPRECATED_SYMBOLS=yes ;; X-no|*) AC_MSG_RESULT([no]) DEPRECATED_SYMBOLS=no AC_DEFINE([NO_DEPRECATED_SYMBOLS], [1], [Define if deprecated public API symbols are disabled]) ;; esac dnl -------------------------------------------------------------------------- dnl Which version of the public APIs should the 'base' versioned symbols use? dnl AC_SUBST([DEFAULT_API_VERSION]) AC_MSG_CHECKING([which version of public symbols to use by default]) AC_ARG_WITH([default-api-version], [AC_HELP_STRING([--with-default-api-version=(v16|v18|v110)], [Specify default release version of public symbols [default=v110]])],, withval=v110) if test "X$withval" = "Xv16"; then AC_MSG_RESULT([v16]) DEFAULT_API_VERSION=v16 AC_DEFINE([USE_16_API_DEFAULT], [1], [Define using v1.6 public API symbols by default]) elif test "X$withval" = "Xv18"; then AC_MSG_RESULT([v18]) DEFAULT_API_VERSION=v18 elif test "X$withval" = "Xv110"; then AC_MSG_RESULT([v110]) DEFAULT_API_VERSION=v110 else AC_MSG_ERROR([invalid version of public symbols given]) fi dnl It's an error to try to disable deprecated public API symbols while dnl choosing an older version of the public API as the default. However, dnl if the user insists on doing this via the --enable-unsupported configure dnl flag, we'll let them. if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then if test "X${DEFAULT_API_VERSION}" != "Xv110" -a "X${DEPRECATED_SYMBOLS}" = "Xno" ; then AC_MSG_ERROR([Removing old public API symbols not allowed when using them as default public API symbols. Use --enable-unsupported to override this error.]) fi fi dnl ---------------------------------------------------------------------- dnl Enable strict file format checks dnl AC_SUBST([STRICT_FORMAT_CHECKS]) AC_MSG_CHECKING([Whether to perform strict file format checks]); AC_ARG_ENABLE([strict-format-checks], [AC_HELP_STRING([--enable-strict-format-checks], [Enable strict file format checks, default=yes if debug flag is enabled, no otherwise])], [STRICT_CHECKS=$enableval]) dnl Default to yes if debug is enabled if test "X-$STRICT_CHECKS" = X- ; then if test -z "$DEBUG_PKG" ; then STRICT_CHECKS=no else STRICT_CHECKS=yes fi fi case "X-$STRICT_CHECKS" in X-yes) AC_MSG_RESULT([yes]) STRICT_FORMAT_CHECKS=yes AC_DEFINE([STRICT_FORMAT_CHECKS], [1], [Define if strict file format checks are enabled]) ;; X-no|*) AC_MSG_RESULT([no]) STRICT_FORMAT_CHECKS=no ;; esac dnl ---------------------------------------------------------------------- dnl Enable embedded library information dnl AC_MSG_CHECKING([Whether to have library information embedded in the executables]) AC_ARG_ENABLE([embedded-libinfo], [AC_HELP_STRING([--enable-embedded-libinfo], [Enable embedded library information [default=yes]])], [enable_embedded_libinfo=$enableval], [enable_embedded_libinfo=yes]) if test "${enable_embedded_libinfo}" = "yes"; then AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_EMBEDDED_LIBINFO], [1], [Define if library information should be embedded in the executables]) else AC_MSG_RESULT([no]) fi dnl ---------------------------------------------------------------------- dnl Check if pointer alignments are enforced dnl AC_MSG_CHECKING([if alignment restrictions are strictly enforced]) AC_RUN_IFELSE([ AC_LANG_PROGRAM([ #include #include typedef struct { size_t len; void *p; } hvl_t; ], [ char *chp = "beefs"; char **chpp = malloc (2 * sizeof (char *)); char **chpp2; hvl_t vl = { 12345, (void *) chp }; hvl_t *vlp; hvl_t *vlp2; memcpy ((void *) ((char *) chpp + 1), &chp, sizeof (char *)); chpp2 = (char **) ((char *) chpp + 1); if (strcmp (*chpp2, chp)) { free (chpp); return 1; } free (chpp); vlp = malloc (2 * sizeof (hvl_t)); memcpy ((void *) ((char *) vlp + 1), &vl, sizeof (hvl_t)); vlp2 = (hvl_t *) ((char *) vlp + 1); if (vlp2->len != vl.len || vlp2->p != vl.p) { free (vlp); return 1; } free (vlp); ]) ], [ AC_DEFINE([NO_ALIGNMENT_RESTRICTIONS], [1], [Define if we can violate pointer alignment restrictions]) AC_MSG_RESULT([no]) ], [ AC_MSG_RESULT([yes]) ], [ AC_MSG_RESULT([unknown, assuming yes]) ]) dnl ---------------------------------------------------------------------- dnl Restore user's CFLAGS. CFLAGS="$saved_user_CFLAGS" FCFLAGS="$saved_user_FCFLAGS" CXXFLAGS="$saved_user_CXXFLAGS" CPPFLAGS="$saved_user_CPPFLAGS" LDFLAGS="$saved_user_LDFLAGS" dnl ---------------------------------------------------------------------- dnl Create automake conditionals to tell automake makefiles which directories dnl need to be compiled AM_CONDITIONAL([BUILD_CXX_CONDITIONAL], [test "X$HDF_CXX" = "Xyes"]) AM_CONDITIONAL([BUILD_PARALLEL_CONDITIONAL], [test -n "$TESTPARALLEL"]) AM_CONDITIONAL([BUILD_FORTRAN_CONDITIONAL], [test "X$HDF_FORTRAN" = "Xyes"]) AM_CONDITIONAL([BUILD_HDF5_HL_CONDITIONAL], [test "X$HDF5_HL" = "Xyes"]) dnl ---------------------------------------------------------------------- dnl Build the Makefiles. dnl dnl The directory search list AC_SUBST([SEARCH]) SEARCH='$(srcdir) $(top_builddir)/src $(top_srcdir)/src' cmd='echo $SEARCH |sed "s/ /'$SEARCH_SEP'/g"' SEARCH="$SEARCH_RULE`eval $cmd`" export SEARCH dnl We don't need to say when we're entering directories if we're using dnl GNU make because make does it for us. if test "X$GMAKE" = "Xyes"; then AC_SUBST([SETX]) SETX=":" else AC_SUBST([SETX]) SETX="set -x" fi dnl Some cleanup stuff rm -f conftest conftest.o conftest.c dummy.o *.mod dnl Build config.status, touch the stamp files, and build all the Makefiles. dnl The order is such that the first `make' does not need to update any dnl configuration information. See config/commence.in for the order in which dnl things need to be done. # First the stamp1 file for H5config.h.in mkdir ./config >/dev/null 2>&1 touch ./config/stamp1 # Then the config.status file (but not makefiles) saved_no_create=$no_create no_create=yes PARALLEL_MAKE="" FORTRAN_PARALLEL_MAKE="" if test -n "$TESTPARALLEL"; then PARALLEL_MAKE="$TESTPARALLEL/Makefile $TESTPARALLEL/testph5.sh" if test "X$HDF_FORTRAN" = "Xyes"; then FORTRAN_PARALLEL_MAKE=fortran/$TESTPARALLEL/Makefile fi fi AC_CONFIG_FILES([src/libhdf5.settings Makefile src/Makefile test/Makefile test/testcheck_version.sh test/testerror.sh test/testflushrefresh.sh test/H5srcdir_str.h test/testlibinfo.sh test/testlinks_env.sh testpar/Makefile testpar/testph5.sh perform/Makefile tools/Makefile tools/h5dump/Makefile tools/h5dump/testh5dump.sh tools/h5dump/testh5dumpxml.sh tools/h5ls/testh5ls.sh tools/h5import/Makefile tools/h5diff/Makefile tools/h5jam/Makefile tools/h5jam/testh5jam.sh tools/h5repack/Makefile tools/h5repack/h5repack.sh tools/h5ls/Makefile tools/h5copy/Makefile tools/lib/Makefile tools/misc/Makefile tools/misc/h5cc tools/misc/testh5repart.sh tools/h5stat/testh5stat.sh tools/h5stat/Makefile examples/Makefile examples/run-c-ex.sh examples/testh5cc.sh c++/Makefile c++/src/Makefile c++/src/h5c++ c++/test/Makefile c++/test/H5srcdir_str.h c++/examples/Makefile c++/examples/run-c++-ex.sh c++/examples/testh5c++.sh fortran/Makefile fortran/src/h5fc fortran/src/Makefile fortran/test/Makefile fortran/testpar/Makefile fortran/examples/Makefile fortran/examples/run-fortran-ex.sh fortran/examples/testh5fc.sh hl/Makefile hl/src/Makefile hl/test/Makefile hl/test/H5srcdir_str.h hl/tools/Makefile hl/tools/gif2h5/Makefile hl/examples/Makefile hl/examples/run-hlc-ex.sh hl/c++/Makefile hl/c++/src/Makefile hl/c++/test/Makefile hl/c++/examples/Makefile hl/c++/examples/run-hlc++-ex.sh hl/fortran/Makefile hl/fortran/src/Makefile hl/fortran/test/Makefile hl/fortran/examples/Makefile hl/fortran/examples/run-hlfortran-ex.sh]) AC_OUTPUT no_create=$saved_no_create # Then the stamp2 file for H5config.h touch ./config/stamp2 # Finally the makefiles test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 dnl Are we compiling static libraries, shared libraries, or both? This dnl is only used for the libhdf5.settings file. We can't just look at dnl $enable_static and $enable_shared because if they're yes the ltconfig dnl might have decided that one or the other is simply not possible. dnl Therefore we have to ask the generated `libtool' shell script dnl which 'features' it has enabled. if (./libtool --features | grep '^enable shared libraries' > /dev/null); then enable_shared=yes else enable_shared=no fi if (./libtool --features | grep '^enable static libraries' > /dev/null); then enable_static=yes else enable_static=no fi if test "X$enable_static" = "Xyes" && test "X$enable_shared" = "Xyes"; then STATIC_SHARED="static, shared" elif test "X$enable_static" = "Xyes"; then STATIC_SHARED="static" elif test "X$enable_shared" = "Xyes"; then STATIC_SHARED="shared" else STATIC_SHARED="none" fi chmod 755 tools/misc/h5cc if test "X$HDF_FORTRAN" = "Xyes"; then chmod 755 fortran/src/h5fc fi if test "X$HDF_CXX" = "Xyes"; then chmod 755 c++/src/h5c++ fi dnl We don't want inline defined for C++ compilers dnl Don't worry about the C++ ifdef wrappers in the H5pubconf file, since dnl 'H5_inline' isn't a C++ keyword. cat >> src/H5config.h <