/
configure.ac
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/
configure.ac
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## Process this file with autoconf to produce configure.
##
## Copyright by The HDF Group.
## Copyright by the Board of Trustees of the University of Illinois.
## All rights reserved.
##
## This file is part of HDF5. The full HDF5 copyright notice, including
## terms governing use, modification, and redistribution, is contained in
## the files COPYING and Copyright.html. COPYING can be found at the root
## of the source code distribution tree; Copyright.html can be found at the
## root level of an installed copy of the electronic HDF5 document set and
## is linked from the top-level documents page. It can also be found at
## http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have
## access to either file, you may request a copy from help@hdfgroup.org.
## ----------------------------------------------------------------------
## Initialize configure.
##
AC_REVISION($Id: configure.ac 28279 2015-11-04 22:29:54Z lrknox $)
AC_PREREQ([2.69])
## AC_INIT takes the name of the package, the version number, and an
## email address to report bugs. AC_CONFIG_SRCDIR takes a unique file
## as its argument.
##
## NOTE: Do not forget to change the version number here when we do a
## release!!!
##
AC_INIT([HDF5], [1.8.16], [help@hdfgroup.org])
AC_CONFIG_SRCDIR([src/H5.c])
AC_CONFIG_HEADERS([src/H5config.h])
AC_CONFIG_AUX_DIR([bin])
AC_CONFIG_MACRO_DIR([m4])
## AM_INIT_AUTOMAKE takes a list of options that should be applied to
## every Makefile.am when automake is run.
AM_INIT_AUTOMAKE([foreign])
AM_SILENT_RULES([yes])
## AM_MAINTAINER_MODE turns off "rebuild rules" that contain dependencies
## for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE
## is *not* included here, these files will be rebuilt if out of date.
## This is a problem because if users try to build on a machine with
## the wrong versions of autoconf and automake, these files will be
## rebuilt with the wrong versions and bad things can happen.
## Also, CVS doesn't preserve dependencies between timestamps, so
## Makefiles will often think rebuilding needs to occur when it doesn't.
## Developers should './configure --enable-maintainer-mode' to turn on
## rebuild rules.
AM_MAINTAINER_MODE
## ----------------------------------------------------------------------
## Set prefix default (install directory) to a directory in the build area.
## This allows multiple src-dir builds within one host.
AC_PREFIX_DEFAULT([`pwd`/hdf5])
## Run post processing on files created by configure.
## src/H5pubconf.h:
## Generate src/H5pubconf.h from src/H5config.h by prepending H5_ to all
## macro names. This avoid name conflict between HDF5 macro names and those
## generated by another software package that uses the HDF5 library.
## src/libhdf5.settings:
## Remove all lines begun with "#" which are generated by CONDITIONAL's of
## configure.
AC_CONFIG_COMMANDS([pubconf], [
echo "creating src/H5pubconf.h"
sed 's/#define /#define H5_/' <src/H5config.h |\
sed 's/#undef /#undef H5_/' >pubconf
if test ! -f src/H5pubconf.h; then
/bin/mv -f pubconf src/H5pubconf.h
elif (diff pubconf src/H5pubconf.h >/dev/null); then
rm -f pubconf
echo "src/H5pubconf.h is unchanged"
else
/bin/mv -f pubconf src/H5pubconf.h
fi
echo "Post process src/libhdf5.settings"
sed '/^#/d' < src/libhdf5.settings > libhdf5.settings.TMP
cp libhdf5.settings.TMP src/libhdf5.settings
rm -f libhdf5.settings.TMP
])
## It's possible to configure for a host other than the one on which
## configure is currently running by using the --host=foo flag.
## For machines on which HDF5 is often configured, it can be convenient
## to specify the name of the machine rather than its canonical type.
##
## There are currently no hosts, but if there were they would be
## listed by hostname and the alias would point to a file in
## the config directory:
##
##case $host_alias in
## <some host>)
## host_alias=<config file in config directory>
## ;;
##esac
AC_CANONICAL_HOST
AC_SUBST([CPPFLAGS])
## H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but
## not exported to h5cc (or h5fc, etc.)
AC_SUBST([H5_CFLAGS])
AC_SUBST([H5_CPPFLAGS])
AC_SUBST([H5_FCFLAGS])
AC_SUBST([H5_CXXFLAGS])
AC_SUBST([H5_LDFLAGS])
## AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5,
## and WILL be exported to h5cc (or h5fc, etc) if set by configure.
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_FCFLAGS])
AC_SUBST([AM_CXXFLAGS])
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_LDFLAGS])
## Make sure flags are initialized.
AM_CFLAGS="${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="${LDFLAGS}"
## Configure may need to alter any of the *FLAGS variables in order for
## various checks to work correctly. Save the user's value here so it
## can be restored once all configure checks are complete.
saved_user_CFLAGS="$CFLAGS"
saved_user_CXXFLAGS="$CXXFLAGS"
saved_user_FCFLAGS="$FCFLAGS"
saved_user_LDFLAGS="$LDFLAGS"
saved_user_CPPFLAGS="$CPPFLAGS"
## Support F9X variable to define Fortran compiler if FC variable is
## not used. This should be deprecated in the future.
if test "x" = "x$FC"; then
FC=${F9X}
fi
## ----------------------------------------------------------------------
## Dump all shell variables values.
##
AC_MSG_CHECKING([shell variables initial values])
set >&AS_MESSAGE_LOG_FD
AC_MSG_RESULT([done])
## Define all symbol variables used for configure summary.
## EXTERNAL_FILTERS equals all external filters. Default none.
## MPE: whether MPE option is enabled. Default no.
## STATIC_EXEC: whether static-exec is enabled. Default no.
## HDF_FORTRAN: whether Fortran is enabled. Default no.
## HDF_FORTRAN2003: whether Fortran 2003 is enabled. Default no.
## FC: Fortran compiler.
## HDF_CXX: whether C++ is enabled. Default no.
## CXX: C++ compiler.
## HDF5_HL: whether high-level library is enabled. Default is yes.
## INSTRUMENT: whether INSTRUMENT is enabled. No default set here.
## CODESTACK: whether CODESTACK is enabled. Default no.
## HAVE_DMALLOC: whether system has dmalloc support. Default no.
## DIRECT_VFD: whether DIRECT_VFD is enabled. Default no.
## THREADSAFE: whether THREADSAFE is enabled. Default no.
## STATIC_SHARED: whether static and/or shared libraries are requested.
## enable_shared: whether shared lib is enabled.
## enable_static: whether static lib is enabled.
## UNAME_INFO: System information.
AC_SUBST([EXTERNAL_FILTERS])
AC_SUBST([MPE]) MPE=no
AC_SUBST([STATIC_EXEC]) STATIC_EXEC=no
AC_SUBST([HDF_FORTRAN]) HDF_FORTRAN=no
AC_SUBST([HDF_FORTRAN2003]) HDF_FORTRAN2003=no
AC_SUBST([FC]) HDF_FORTRAN=no
AC_SUBST([FC2003]) HDF_FORTRAN2003=no
AC_SUBST([HDF_CXX]) HDF_CXX=no
AC_SUBST([CXX]) HDF_CXX=no
AC_SUBST([HDF5_HL]) HDF5_HL=yes
AC_SUBST([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`
## ----------------------------------------------------------------------
## Some platforms have broken basename, and/or xargs programs. Check
## that it actually does what it's supposed to do. Catch this early
## since configure and scripts relies upon them heavily and there's
## no use continuing if it's broken.
##
AC_MSG_CHECKING([if basename works])
BASENAME_TEST="`basename /foo/bar/baz/qux/basename_works`"
if test $BASENAME_TEST != "basename_works"; then
AC_MSG_ERROR([basename program doesn't work])
else
AC_MSG_RESULT([yes])
fi
## xargs basename used in configure to get the CC_BASENAME value
AC_MSG_CHECKING([if xargs works])
XARGS_TEST="`echo /foo/bar/baz/qux/xargs_works | xargs basename`"
if test $XARGS_TEST != "xargs_works"; then
AC_MSG_ERROR([xargs program doesn't work])
else
AC_MSG_RESULT([yes])
fi
## ----------------------------------------------------------------------
## Check that the cache file was build on the same host as what we're
## running on now.
##
AC_CACHE_CHECK([for cached host], [hdf5_cv_host], [hdf5_cv_host="none"]);
if test $hdf5_cv_host = "none"; then
hdf5_cv_host=$host
elif test $hdf5_cv_host != $host; then
echo "The config.cache file was generated on $hdf5_cv_host but"
echo "this is $host. Please remove that file and try again."
AC_MSG_ERROR([config.cache file is invalid])
fi
## ----------------------------------------------------------------------
## Source any special files that we need. These files normally aren't
## present but can be used by the maintainers to fine tune things like
## turning on debug or profiling flags for the compiler. The search order
## is:
##
## CPU-VENDOR-OS
## VENDOR-OS
## CPU-OS
## CPU-VENDOR
## OS
## VENDOR
## CPU
##
## If the `OS' ends with a version number then remove it. For instance,
## `freebsd3.1' would become `freebsd'
case $host_os in
aix*)
host_os_novers=aix
;;
freebsd*)
host_os_novers=freebsd
;;
solaris*)
host_os_novers=solaris
;;
*)
host_os_novers=$host_os
;;
esac
host_config="none"
for f in $host_cpu-$host_vendor-$host_os \
$host_cpu-$host_vendor-$host_os_novers \
$host_vendor-$host_os \
$host_vendor-$host_os_novers \
$host_cpu-$host_os \
$host_cpu-$host_os_novers \
$host_cpu-$host_vendor \
$host_os \
$host_os_novers \
$host_vendor \
$host_cpu ; do
AC_MSG_CHECKING([for config $f])
if test -f "$srcdir/config/$f"; then
host_config=$srcdir/config/$f
AC_MSG_RESULT([found])
break
fi
AC_MSG_RESULT([no])
done
if test "X$host_config" != "Xnone"; then
CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`"
. $host_config
fi
## Source any special site-specific file
hname="`hostname`"
while test -n "$hname"; do
file=$srcdir/config/site-specific/host-$hname
AC_MSG_CHECKING([for config $file])
if test -f "$file"; then
. $file
AC_MSG_RESULT([found])
break
fi
AC_MSG_RESULT([no])
hname_tmp=$hname
hname="`echo $hname | cut -d. -f2-99`"
test "$hname_tmp" = "$hname" && break
done
## ----------------------------------------------------------------------
## Some built-in configure checks can only see CFLAGS (not AM_CFLAGS), so
## we need to add this in so configure works as intended. We will need to
## reset this value at the end of configure, to preserve the user's settings.
CFLAGS="${AM_CFLAGS} ${CFLAGS}"
FCFLAGS="${AM_FCFLAGS} ${FCFLAGS}"
CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}"
CPPFLAGS="${AM_CPPFLAGS} ${CPPFLAGS}"
LDFLAGS="${AM_LDFLAGS} ${LDFLAGS}"
## ----------------------------------------------------------------------
## Enable dependency tracking unless the configure options or a
## site-specific file told us not to. This prevents configure from
## silently disabling dependencies for some compilers.
##
if test -z "${enable_dependency_tracking}"; then
enable_dependency_tracking="yes"
fi
## ----------------------------------------------------------------------
## Check for programs.
##
AC_PROG_CC
CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`"
## ----------------------------------------------------------------------------
## Configure disallows unsupported combinations of options. However, users
## may want to override and build with unsupported combinations for their
## own use. They can use the --enable-unsupported configure flag, which
## ignores any errors from configure due to incompatible flags.
AC_MSG_CHECKING([if unsupported combinations of configure options are allowed])
AC_ARG_ENABLE([unsupported],
[AS_HELP_STRING([--enable-unsupported],
[Allow unsupported combinations of configure options])],
[ALLOW_UNSUPPORTED=$enableval])
case "X-$ALLOW_UNSUPPORTED" in
X-|X-no)
AC_MSG_RESULT([no])
;;
X-yes)
AC_MSG_RESULT([yes])
;;
*)
;;
esac
## ----------------------------------------------------------------------
## Check if they would like the Fortran interface compiled
##
AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES=""
AC_MSG_CHECKING([if Fortran interface enabled])
AC_ARG_ENABLE([fortran],
[AS_HELP_STRING([--enable-fortran],
[Compile the Fortran 90/95 interface [default=no]])],
[HDF_FORTRAN=$enableval])
if test "X$HDF_FORTRAN" = "Xyes"; then
echo "yes"
else
echo "no"
fi
## ----------------------------------------------------------------------
## Check if they would like the Fortran 2003 interface compiled
##
AC_MSG_CHECKING([if Fortran 2003 interface enabled])
AC_ARG_ENABLE([fortran2003],
[AS_HELP_STRING([--enable-fortran2003],
[Compile the Fortran 2003 interface, must also specify --enable-fortran [default=no]])],
[HDF_FORTRAN2003=$enableval])
## ----------------------------------------------------------------------
## Check to make sure --enable-fortran is present if --enable-fortran2003
## was specified
if test "X$HDF_FORTRAN2003" = "Xyes" && test "X$HDF_FORTRAN" = "Xno"; then
echo "no"
AC_MSG_ERROR([--enable-fortran must be used with --enable-fortran2003])
else
if test "X$HDF_FORTRAN2003" = "Xyes" && test "X$HDF_FORTRAN" = "Xyes"; then
echo "yes"
else
echo "no"
fi
fi
if test "X$HDF_FORTRAN" = "Xyes"; then
AC_SUBST([FC]) HDF_FORTRAN=yes
AC_SUBST([HAVE_FORTRAN_2003])
HDF5_INTERFACES="$HDF5_INTERFACES fortran"
## --------------------------------------------------------------------
## HDF5 integer variables for the H5fortran_types.f90 file.
##
AC_SUBST([R_LARGE])
AC_SUBST([R_INTEGER])
AC_SUBST([HADDR_T])
AC_SUBST([HSIZE_T])
AC_SUBST([HSSIZE_T])
AC_SUBST([HID_T])
AC_SUBST([SIZE_T])
AC_SUBST([OBJECT_NAMELEN_DEFAULT_F])
## --------------------------------------------------------------------
## Fortran source extention
##
AC_FC_SRCEXT([f90])
AC_SUBST([F9XSUFFIXFLAG])
AC_SUBST([FSEARCH_DIRS])
## --------------------------------------------------------------------
## Check for a Fortran compiler and how to include modules.
##
AC_PROG_FC([PAC_FC_SEARCH_LIST],)
AC_F9X_MODS
## Change to the Fortran 90 language
AC_LANG_PUSH(Fortran)
## --------------------------------------------------------------------
## Define wrappers for the C compiler to use Fortran function names
##
AC_FC_WRAPPERS
## --------------------------------------------------------------------
## See if the fortran compiler supports the intrinsic function "SIZEOF"
PAC_PROG_FC_SIZEOF
## See if the fortran compiler supports the intrinsic function "C_SIZEOF"
PAC_PROG_FC_C_SIZEOF
## See if the fortran compiler supports the intrinsic function "STORAGE_SIZE"
PAC_PROG_FC_STORAGE_SIZE
## Check to see if -r8 was specified to determine if we need to
## compile the DOUBLE PRECISION interfaces.
PAC_PROG_FC_DEFAULT_REALisDBLE
if test "X$HDF_FORTRAN2003" = "Xyes"; then
## Checking if the compiler supports the required Fortran 2003 features and
## disable Fortran 2003 if it does not.
PAC_PROG_FC_HAVE_F2003_REQUIREMENTS
if test "X$HAVE_F2003_REQUIREMENTS" = "Xno"; then
AC_MSG_ERROR([Fortran compiler lacks required Fortran 2003 features; unsupported Fortran 2003 compiler, remove --enable-fortran2003])
else
HAVE_FORTRAN_2003="yes"
fi
fi
else
FC="no"
fi
## Change back to the C language
AC_LANG_POP(Fortran)
AM_CONDITIONAL([FORTRAN_HAVE_SIZEOF], [test "X$HAVE_SIZEOF_FORTRAN" = "Xyes"])
AM_CONDITIONAL([FORTRAN_HAVE_C_SIZEOF], [test "X$HAVE_C_SIZEOF_FORTRAN" = "Xyes"])
AM_CONDITIONAL([FORTRAN_HAVE_STORAGE_SIZE], [test "X$HAVE_STORAGE_SIZE_FORTRAN" = "Xyes"])
AM_CONDITIONAL([FORTRAN_2003_CONDITIONAL_F], [test "X$HAVE_FORTRAN_2003" = "Xyes"])
AM_CONDITIONAL([FORTRAN_DEFAULT_REALisDBLE_F], [test "X$FORTRAN_DEFAULT_REALisDBLE" = "Xyes"])
## ----------------------------------------------------------------------
## Check if they would like the C++ interface compiled
##
## We need to check for a C++ compiler unconditionally, since
## AC_PROG_CXX defines some macros that Automake 1.9.x uses and will
## miss even if c++ is not enabled.
AC_PROG_CXX
AC_PROG_CXXCPP ## this is checked for when AC_HEADER_STDC is done
AC_MSG_CHECKING([if c++ interface enabled])
AC_ARG_ENABLE([cxx],
[AS_HELP_STRING([--enable-cxx],
[Compile the C++ interface [default=no]])],
[HDF_CXX=$enableval])
if test "X$HDF_CXX" = "Xyes"; then
echo "yes"
HDF5_INTERFACES="$HDF5_INTERFACES c++"
## Change to the C++ language
AC_LANG_PUSH(C++)
# Checking if C++ needs old style header files in includes
PAC_PROG_CXX_HEADERS
# Checking if C++ can handle namespaces
PAC_PROG_CXX_NAMESPACE
# Checking if C++ has offsetof extension
PAC_PROG_CXX_OFFSETOF
# if C++ can handle static cast
PAC_PROG_CXX_STATIC_CAST
else
AC_MSG_RESULT([no])
CXX="no"
fi
## Change back to the C language
AC_LANG_POP(C++)
## ----------------------------------------------------------------------
## Check if they would like the High Level library compiled
##
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],
[AS_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])
## If Fortran's default real is double precision and HL is being built then configure
## should fail due to bug HDFFV-889.
if test "X$FORTRAN_DEFAULT_REALisDBLE" = "Xyes"; then
AC_MSG_ERROR([Fortran high-level routines are not supported when the default REAL is DOUBLE PRECISION, use configure option --disable-hl.])
fi
else
echo "no"
fi
## ----------------------------------------------------------------------
## Check if they have Perl installed on their system. We only need Perl
## if they're using a GNU compiler.
##
AC_SUBST([PERL]) PERL=""
if test "X$GCC" = "Xyes"; then
AC_CHECK_PROGS([PERL], [perl],, [$PATH])
fi
## ----------------------------------------------------------------------
## Check which archiving tool to use. This needs to be done before
## the AM_PROG_LIBTOOL macro.
##
if test -z "$AR"; then
AC_CHECK_PROGS([AR], [ar xar], [:], [$PATH])
fi
AC_SUBST([AR])
## Export the AR macro so that it will be placed in the libtool file
## correctly.
export AR
AC_PROG_MAKE_SET
AC_PROG_INSTALL
## ----------------------------------------------------------------------
## Set up ${TR} which is used to process DEBUG_PKG.
AC_PATH_PROG([TR], [tr])
## ----------------------------------------------------------------------
## Check that time can be used with srcdir. This is okay on most systems,
## but seems to cause problems on Cygwin.
## The solution on Cygwin is not to record execution time for tests.
##
## Note: This is still true as of Cygwin 1.7.32 (Aug 2014) on both 32-
## and 64-bit platforms. Given how long this has been true, it seems
## unlikely to change, but we should probably re-test this periodically.
AC_MSG_CHECKING([if srcdir= and time commands work together])
AC_SUBST([TIME])
TIME=time
TIME_TEST=`foo="bar" ${TIME} echo 'baz' 2> /dev/null | grep baz`
if test "X${TIME_TEST}" = "Xbaz"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
TIME=
fi
## The following variables are used to distinguish between building a
## serial and parallel library.
##
## HAVE_PARALLEL -- defined in H5config.h if we are building
## a parallel library even if configure wasn't
## able to find some header file or library that
## might be required. This is defined if the
## user explicitly states
## that a parallel library is being built by supplying
## the `--enable-parallel' configure switch.
##
## PARALLEL -- This variable is set to a non-null value if
## we're building a parallel version of the library.
##
## RUNSERIAL -- This is a command which will be prepended to
## the executable name to run the executable using
## a single process. For serial versions of the
## library this will normally be empty. For parallel
## versions it might be something like `mpiexec -n 1'.
## The value of this variable is substituted in *.in
## files.
##
## RUNPARALLEL -- This is a command which will be prepended to
## the executable name to run the executable on
## multiple processors. For the serial library the
## value will normally be the empty string. For
## parallel library it should be something like
## "mpiexec -n \$\${NPROCS:=6}" where NPROCS will
## eventually contain the number of processors on which
## to run the executable (the double dollarsigns are to
## protect the expansion until make executes the
## command). The value of this variable is
## substituted in *.in files.
##
AC_SUBST([PARALLEL])
AC_SUBST([RUNSERIAL])
AC_SUBST([RUNPARALLEL])
AC_SUBST([TESTPARALLEL])
## ----------------------------------------------------------------------
## Fortran libraries are not currently supported on Mac. Disable them.
## (this is overridable with --enable-unsupported).
##
AC_SUBST([H5_FORTRAN_SHARED])
H5_FORTRAN_SHARED="no"
if test "X${HDF_FORTRAN}" = "Xyes" && test "X${enable_shared}" != "Xno"; then
AC_MSG_CHECKING([if shared Fortran libraries are supported])
H5_FORTRAN_SHARED="yes"
## Disable fortran shared libraries on Mac. (MAM - 03/30/11)
case "`uname`" in
Darwin*)
H5_FORTRAN_SHARED="no"
CHECK_WARN="Shared Fortran libraries not currently supported on Mac."
;;
esac
## Report results of check(s)
if test "X${H5_FORTRAN_SHARED}" = "Xno"; then
AC_MSG_RESULT([no])
AC_MSG_WARN([$CHECK_WARN])
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
AC_MSG_WARN([Disabling shared Fortran libraries.])
AC_MSG_WARN([To override this behavior, please use --enable-unsupported configure option.])
if test "X${enable_static}" = "Xno"; then
AC_MSG_ERROR([both static and shared Fortran libraries are disabled])
fi
else
AC_MSG_WARN([Allowing unsupported Fortran shared libraries due to use of --enable-unsupported flag])
H5_FORTRAN_SHARED="yes"
fi
else
AC_MSG_RESULT([yes])
fi
fi
AM_CONDITIONAL([FORTRAN_SHARED_CONDITIONAL], [test "X$H5_FORTRAN_SHARED" = "Xyes"])
## ----------------------------------------------------------------------
## Create libtool. If shared/static libraries are going to be enabled
## or disabled, it should happen before these macros.
LT_PREREQ([2.2])
## ----------------------------------------------------------------------
## dlopen - This will use an improved version of libtool
## win32-dll - This will build clean dlls on win32 platforms.
LT_INIT([dlopen,win32-dll])
## ----------------------------------------------------------------------
## Check if we should install only statically linked executables.
## This check needs to occur after libtool is initialized because
## we check a libtool cache value and may issue a warning based
## on its result.
AC_MSG_CHECKING([if we should install only statically linked executables])
AC_ARG_ENABLE([static_exec],
[AS_HELP_STRING([--enable-static-exec],
[Install only statically linked executables
[default=no]])],
[STATIC_EXEC=$enableval])
if test "X$STATIC_EXEC" = "Xyes"; then
echo "yes"
## Issue a warning if -static flag is not supported.
if test "X$lt_cv_prog_compiler_static_works" = "Xno"; then
echo " warning: -static flag not supported on this system; executable won't statically link shared system libraries."
LT_STATIC_EXEC=""
else
LT_STATIC_EXEC="-all-static"
fi
else
echo "no"
LT_STATIC_EXEC=""
fi
AM_CONDITIONAL([USE_PLUGINS_CONDITIONAL], [test "X$LT_STATIC_EXEC" = X])
AC_SUBST([LT_STATIC_EXEC])
## Fix up the INSTALL macro if it's a relative path. We want the
## full-path to the binary instead.
case "$INSTALL" in
*install-sh*)
INSTALL='\${top_srcdir}/bin/install-sh -c'
;;
esac
## ----------------------------------------------------------------------
## Some users have reported problems with libtool's use of '-Wl,-rpath' to
## link shared libraries in nondefault directories. Allow users to
## disable embedding the rpath information in the executables and to
## instead solely rely on the information in LD_LIBRARY_PATH.
AC_MSG_CHECKING([if -Wl,-rpath should be used to link shared libs in nondefault directories])
AC_ARG_ENABLE([sharedlib-rpath],
[AS_HELP_STRING([--disable-sharedlib-rpath],
[Disable use of the '=Wl,-rpath' linker option])],
[RPATH=$enableval])
case "X-$RPATH" in
X-no)
AC_MSG_RESULT([no])
runpath_var=
hardcode_libdir_flag_spec=
hardcode_libdir_flag_spec_ld=
hardcode_into_libs=no
;;
X-|X-yes)
AC_MSG_RESULT([yes])
;;
*)
AC_MSG_RESULT([error])
AC_MSG_ERROR([\'$enableval\' is not a valid rpath type])
;;
esac
## ----------------------------------------------------------------------
## pmake will throw an error if variables are undefined in a Makefile.
## These errors can be changed to warnings using the -V flag.
##
AC_SUBST([AM_MAKEFLAGS]) AM_MAKEFLAGS=""
## Don't run test if MAKE is defined but is the empty string
if test -n "${MAKE-make}"; then
AC_MSG_CHECKING([whether make will build with undefined variables])
cat >maketest <<EOF
foo: \$(UNDEFINED) \$(UNDEFINED2)
@echo \$(UNDEFINED3) works
EOF
if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no, setting -V flag])
AM_MAKEFLAGS="\-V"
fi
rm maketest
fi
## ----------------------------------------------------------------------
## Production flags? Save the value in $CONFIG_MODE so we have it for
## the record.
##
AC_MSG_CHECKING([for production mode])
AC_ARG_ENABLE([production],
[AS_HELP_STRING([--enable-production],
[Determines how to run the compiler.])])
case "X-$enable_production" in
X-|X-yes)
enable_production="yes"
AC_MSG_RESULT([production])
CONFIG_MODE=production
H5_CFLAGS="$H5_CFLAGS $PROD_CFLAGS"
H5_CPPFLAGS="$H5_CPPFLAGS $PROD_CPPFLAGS"
H5_CXXFLAGS="$H5_CXXFLAGS $PROD_CXXFLAGS"
H5_FCFLAGS="$H5_FCFLAGS $PROD_FCFLAGS"
;;
X-no)
enable_production="no"
AC_MSG_RESULT([development])
CONFIG_MODE=development
H5_CFLAGS="$H5_CFLAGS $DEBUG_CFLAGS"
H5_CPPFLAGS="$H5_CPPFLAGS $DEBUG_CPPFLAGS"
H5_CXXFLAGS="$H5_CXXFLAGS $DEBUG_CXXFLAGS"
H5_FCFLAGS="$H5_FCFLAGS $DEBUG_FCFLAGS"
;;
X-pg|X-profile)
enable_production="profile"
AC_MSG_RESULT([profile])
CONFIG_MODE=profile
H5_CFLAGS="$H5_CFLAGS $PROFILE_CFLAGS"
H5_CPPFLAGS="$H5_CPPFLAGS $PROFILE_CPPFLAGS"
H5_CXXFLAGS="$H5_CXXFLAGS $PROFILE_CXXFLAGS"
H5_FCFLAGS="$H5_FCFLAGS $PROFILE_FCFLAGS"
;;
*)
enable_production="user-defined"
AC_MSG_RESULT([user-defined])
CONFIG_MODE="$enableval"
;;
esac
## ----------------------------------------------------------------------
## Check for system libraries. "dl" stands for dynamically loaded library
##
AC_CHECK_LIB([m], [ceil])
AC_CHECK_LIB([dl], [dlopen])
## ----------------------------------------------------------------------
## Check for system header files.
##
AC_HEADER_STDC
AC_HEADER_TIME
## Unix
AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h])
AC_CHECK_HEADERS([sys/socket.h sys/types.h])
AC_CHECK_HEADERS([stddef.h setjmp.h features.h])
AC_CHECK_HEADERS([dirent.h])
AC_CHECK_HEADERS([stdint.h], [C9x=yes])
## Darwin
AC_CHECK_HEADERS([mach/mach_time.h])
## Also need to detect Darwin for pubconf
case $host_os in
darwin*)
AC_DEFINE([HAVE_DARWIN], [1], [Define if Darwin or Mac OS X])
;;
esac
## Windows
case "`uname`" in
CYGWIN*)
AC_CHECK_HEADERS([io.h sys/timeb.h])
;;
MINGW*)
AC_CHECK_HEADERS([io.h winsock2.h sys/timeb.h])
AC_HAVE_LIBRARY([ws2_32])
;;
*)
AC_CHECK_HEADERS([io.h winsock2.h sys/timeb.h])
;;
esac
## ----------------------------------------------------------------------
## Some platforms require that all symbols are resolved when a library
## is linked. We can use the -no-undefined flag to tell libtool that
## it will be able to build shared libraries on these architectures,
## as it will not do so by default.
##
if test "X${enable_shared}" = "Xyes"; then
AC_MSG_CHECKING([if libtool needs -no-undefined flag to build shared libraries])
case "`uname`" in
CYGWIN*|MINGW*|AIX*)
## Add in the -no-undefined flag to LDFLAGS for libtool.
AC_MSG_RESULT([yes])
H5_LDFLAGS="$H5_LDFLAGS -no-undefined"
;;
*)
## Don't add in anything.
AC_MSG_RESULT([no])
;;
esac
fi
## ----------------------------------------------------------------------
## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
## that might need to be set for largefile support to behave
## correctly. This macro is defined in acsite.m4 and overrides
## the version provided by Autoconf (as of v2.65). The custom
## macro additionally adds the appropriate defines to AM_CPPFLAGS
## so that later configure checks have them visible.
## Check for _FILE_OFFSET_BITS
_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
[ac_cv_sys_file_offset_bits],
[Number of bits in a file offset, on hosts where this is settable.],
[_AC_SYS_LARGEFILE_TEST_INCLUDES])
## Check for _LARGE_FILES
if test "$ac_cv_sys_file_offset_bits" = unknown; then
_AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
[ac_cv_sys_large_files],
[Define for large files, on AIX-style hosts.],
[_AC_SYS_LARGEFILE_TEST_INCLUDES])
fi
## ----------------------------------------------------------------------
## Add necessary defines for Linux Systems.
##
case "$host_cpu-$host_vendor-$host_os" in
*linux*)
## Make available various LFS-related routines using the following
## _LARGEFILE*_SOURCE macros.
AM_CPPFLAGS="-D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $AM_CPPFLAGS"
## Add POSIX support on Linux systems, so <features.h> defines
## __USE_POSIX, which is required to get the prototype for fdopen
## defined correctly in <stdio.h>.
##
## This flag was removed from h5cc as of 2009-10-17 when it was found
## that the flag broke compiling netCDF-4 code with h5cc, but kept in
## H5_CPPFLAGS because fdopen and HDfdopen fail without it. HDfdopen
## is used only by H5_debug_mask which is used only when debugging in
## H5_init_library (all in H5.c). When the flag was removed this was
## the only compile failure noted.
##
## This was originally defined as _POSIX_SOURCE which was updated to
## _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX
## functionality so clock_gettime and CLOCK_MONOTONIC are defined
## correctly. This was later updated to 200112L so that
## posix_memalign() is visible for the direct VFD code on Linux
## systems.
##
## POSIX feature information can be found in the gcc manual at:
## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
## Need to add this so that O_DIRECT is visible for the direct
## VFD on Linux systems.
H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS"
;;
esac
## Need to add the AM_ and H5_ into CFLAGS/CPPFLAGS to make them visible
## for configure checks.
## Note: Both will be restored by the end of configure.
CPPFLAGS="$H5_CPPFLAGS $AM_CPPFLAGS $CPPFLAGS"
CFLAGS="$H5_CFLAGS $AM_CFLAGS $CFLAGS"
AC_TRY_COMPILE([#include <sys/types.h>],
[off64_t n = 0;],
[AC_CHECK_FUNCS([lseek64 fseeko64 ftello64 ftruncate64])],
[AC_MSG_RESULT([skipping test for lseek64(), fseeko64 , ftello64, ftruncate64() because off64_t is not defined])])
AC_CHECK_FUNCS([fseeko ftello])
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/stat.h>],
[struct stat64 sb;],
[AC_CHECK_FUNCS([stat64 fstat64])],
[AC_MSG_RESULT([skipping test for stat64() and fstat64()])])
## ----------------------------------------------------------------------
## Data types and their sizes.
##
AC_TYPE_OFF_T
AC_CHECK_TYPE([size_t], [],
[AC_DEFINE_UNQUOTED([size_t], [unsigned long],
[Define to `unsigned long' if <sys/types.h> does not define.])])
AC_CHECK_TYPE([ssize_t], [],
[AC_DEFINE_UNQUOTED([ssize_t], [long],
[Define to `long' if <sys/types.h> does not define.])])
AC_CHECK_TYPE([ptrdiff_t], [],
[AC_DEFINE_UNQUOTED([ptrdiff_t], [long],
[Define to `long' if <sys/types.h> does not define.])])
AC_C_BIGENDIAN
AC_CHECK_SIZEOF([char], [1])
AC_CHECK_SIZEOF([short], [2])
AC_CHECK_SIZEOF([int], [4])
AC_CHECK_SIZEOF([unsigned], [4])
AC_CHECK_SIZEOF([long], [4])
AC_CHECK_SIZEOF([long long], [8])
AC_CHECK_SIZEOF([__int64], [8])
AC_CHECK_SIZEOF([float], [4])
AC_CHECK_SIZEOF([double], [8])
AC_CHECK_SIZEOF([long double], [8])
## Checkpoint the cache
AC_CACHE_SAVE
## Posix.1g types (C9x)
cat >>confdefs.h <<\EOF
#include <sys/types.h>
EOF
if test "X$C9x" = "Xyes"; then
cat >>confdefs.h <<\EOF
#include <stdint.h>
EOF