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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 22697 2012-08-19 14:35:47Z hdftest $)
AC_PREREQ([2.69])
## AC_INIT takes the name of the package, the version number, and an
## email address to report bugs. AC_CONFIG_SRCDIR takes a unique file
## as its argument.
##
## NOTE: Do not forget to change the version number here when we do a
## release!!!
##
AC_INIT([HDF5], [1.9.210], [help@hdfgroup.org])
AC_CONFIG_SRCDIR([src/H5.c])
AC_CONFIG_HEADER([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## is *not* included here, these files will be rebuilt if out of date.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.
case $host_alias in
redstorm)
host_alias=x86_64-redstorm-linux-gnu
;;
esac
AC_CANONICAL_HOST
AC_SUBST([CPPFLAGS])
## H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but
## not exported to h5cc (or h5fc, etc.)
AC_SUBST([H5_CFLAGS])
AC_SUBST([H5_CPPFLAGS])
AC_SUBST([H5_FCFLAGS])
AC_SUBST([H5_CXXFLAGS])
AC_SUBST([H5_LDFLAGS])
## AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5,
## and WILL be exported to h5cc (or h5fc, etc) if set by configure.
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_FCFLAGS])
AC_SUBST([AM_CXXFLAGS])
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_LDFLAGS])
## Make sure flags are set to something (otherwise macros may set them later).
AM_CFLAGS="${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="${LDFLAGS}"
## Configure may need to alter any of the *FLAGS variables in order for
## various checks to work correctly. Save the user's value here so it
## can be restored once all configure checks are complete.
saved_user_CFLAGS="$CFLAGS"
saved_user_CXXFLAGS="$CXXFLAGS"
saved_user_FCFLAGS="$FCFLAGS"
saved_user_LDFLAGS="$LDFLAGS"
saved_user_CPPFLAGS="$CPPFLAGS"
## Different compilers may need default libraries. They are specified in
## the config/* files, so we put this statement here so that it'll be
## set by the code which follows...
##
DEFAULT_LIBS=""
## 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.
## LARGEFILE: whether largefile support is enabled. Default 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([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`
## ----------------------------------------------------------------------
## 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 relies upon them heavily and there's no use continuing
## if it's broken.
##
## Avoid depending upon Character Ranges.
## These are defined by autoconf.
## as_cr_letters='abcdefghijklmnopqrstuvwxyz'
## 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
## ----------------------------------------------------------------------
## 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 $host_os in
aix*)
host_os_novers=aix
;;
freebsd*)
host_os_novers=freebsd
;;
irix5.*)
host_os_novers=irix5.x
;;
irix6.*)
host_os_novers=irix6.x
;;
osf4.*)
host_os_novers=osf4.x
;;
osf5.*)
host_os_novers=osf5.x
;;
solaris2.*)
host_os_novers=solaris2.x
;;
*)
host_os_novers=$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`"
. $host_config
fi
## Source any special site-specific file
hname="`hostname`"
while test -n "$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-$ALLOW_UNSUPPORTED" in
X-|X-no)
AC_MSG_RESULT([no])
;;
X-yes)
AC_MSG_RESULT([yes])
;;
*)
;;
esac
## ----------------------------------------------------------------------
## Check if they would like the Fortran interface compiled
##
AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES=""
AC_MSG_CHECKING([if Fortran interface enabled])
AC_ARG_ENABLE([fortran],
[AS_HELP_STRING([--enable-fortran],
[Compile the Fortran 77/90/95 interface [default=no]])],
[HDF_FORTRAN=$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
echo "yes"
fi
HAVE_SIZEOF="no"
HAVE_C_SIZEOF="no"
HAVE_STORAGE_SIZE="no"
FORTRAN_DEFAULT_REALisDBLE="no"
if test "X$HDF_FORTRAN" = "Xyes"; then
AC_SUBST([FC]) HDF_FORTRAN=yes
AC_SUBST([HAVE_FORTRAN_2003])
HDF5_INTERFACES="$HDF5_INTERFACES fortran"
## --------------------------------------------------------------------
## Default for FORTRAN 2003 compliant compilers
##
HAVE_FORTRAN_2003="no"
HAVE_F2003_REQUIREMENTS="no"
## --------------------------------------------------------------------
## 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 9X compiler and how to include modules.
##
AC_PROG_FC([f90 pgf90 slf90 f95 g95 xlf95 efc ifort ftn],)
AC_F9X_MODS
## It seems that libtool (as of Libtool 1.5.14) is trying to
## configure itself for Fortran 77.
## Tell it that our F77 compiler is $FC (actually a F9X compiler)
F77=$FC
## 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 compiler will support the "-I." option
##
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="$AM_FCFLAGS_saved")
## --------------------------------------------------------------------
## See if the fortran compiler supports the intrinsic function "SIZEOF"
AC_MSG_CHECKING([if Fortran compiler supports intrinsic SIZEOF])
AC_TRY_RUN([
PROGRAM main
i = sizeof(x)
END PROGRAM
], [AC_MSG_RESULT([yes])
HAVE_SIZEOF="yes"],
[AC_MSG_RESULT([no])])
## See if the fortran compiler supports the intrinsic function "C_SIZEOF"
AC_MSG_CHECKING([if Fortran compiler supports intrinsic C_SIZEOF])
AC_TRY_RUN([
PROGRAM main
USE ISO_C_BINDING
INTEGER(C_INT) :: a
INTEGER(C_SIZE_T) :: result
result = C_SIZEOF(a)
END PROGRAM
], [AC_MSG_RESULT([yes])
HAVE_C_SIZEOF="yes"],
[AC_MSG_RESULT([no])])
## See if the fortran compiler supports the intrinsic function "STORAGE_SIZE"
AC_MSG_CHECKING([if Fortran compiler supports intrinsic STORAGE_SIZE])
AC_TRY_RUN([
PROGRAM main
INTEGER :: a
INTEGER :: result
result = STORAGE_SIZE(a)
END PROGRAM
], [AC_MSG_RESULT([yes])
HAVE_STORAGE_SIZE="yes"],
[AC_MSG_RESULT([no])])
## Check to see if -r8 was specified to determine if we need to
## compile the DOUBLE PRECISION interfaces.
AC_MSG_CHECKING([if Fortran default REAL is DOUBLE PRECISION])
AC_TRY_RUN([
MODULE type_mod
INTERFACE h5t
MODULE PROCEDURE h5t_real
MODULE PROCEDURE h5t_dble
END INTERFACE
CONTAINS
SUBROUTINE h5t_real(r)
REAL :: r
END SUBROUTINE h5t_real
SUBROUTINE h5t_dble(d)
DOUBLE PRECISION :: d
END SUBROUTINE h5t_dble
END MODULE type_mod
PROGRAM main
USE type_mod
REAL :: r
DOUBLE PRECISION :: d
CALL h5t(r)
CALL h5t(d)
END PROGRAM main
],
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes])
FORTRAN_DEFAULT_REALisDBLE="yes"])
if test "X$HDF_FORTRAN2003" = "Xyes"; then
## Checking if the compiler supports the required Fortran 2003 features and
## disable Fortran 2003 if it does not.
AC_MSG_CHECKING([if Fortran compiler version compatible with Fortran 2003 HDF])
HAVE_FORTRAN_2003="no"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
USE iso_c_binding
IMPLICIT NONE
TYPE(C_PTR) :: ptr
TYPE(C_FUNPTR) :: funptr
CHARACTER(LEN=80, KIND=c_char), TARGET :: ichr
ptr = C_LOC(ichr(1:1))
])],
[AC_MSG_RESULT([yes])
HAVE_F2003_REQUIREMENTS=[yes]],
[AC_MSG_RESULT([no])])
if test "X$HAVE_F2003_REQUIREMENTS" = "Xno"; then
## echo $HAVE_FORTRAN_2003
AC_MSG_ERROR([Fortran compiler lacks required Fortran 2003 features; unsupported Fortran 2003 compiler, remove --enable-fortran2003])
else
## echo $HAVE_FORTRAN_2003
HAVE_FORTRAN_2003="yes"
fi
fi
else
FC="no"
fi
## Change back to the C language
AC_LANG_POP(Fortran)
AM_CONDITIONAL([FORTRAN_HAVE_SIZEOF], [test "X$HAVE_SIZEOF" = "Xyes"])
AM_CONDITIONAL([FORTRAN_HAVE_C_SIZEOF], [test "X$HAVE_C_SIZEOF" = "Xyes"])
AM_CONDITIONAL([FORTRAN_HAVE_STORAGE_SIZE], [test "X$HAVE_STORAGE_SIZE" = "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++)
AC_MSG_CHECKING([if $CXX needs old style header files in includes])
AC_TRY_RUN([
#include <iostream>
int main(void) { return 0; }
], [
echo no
], [
echo yes
CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME"
AM_CXXFLAGS="${AM_CXXFLAGS} -DOLD_HEADER_FILENAME"
])
AC_MSG_CHECKING([if $CXX can handle namespaces])
AC_TRY_RUN([
namespace H5 {
int fnord;
}
int main(void) {
using namespace H5;
fnord = 37;
return 0;
}
], [
echo yes
], [
echo no
CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE"
AM_CXXFLAGS="${AM_CXXFLAGS} -DH5_NO_NAMESPACE"
])
AC_MSG_CHECKING([if $CXX supports std])
AC_TRY_RUN([
#include <string>
using namespace std;
int main(void) {
string myString("testing namespace std");
return 0;
}
], [
echo yes
], [
echo no
CXXFLAGS="${CXXFLAGS} -DH5_NO_STD"
AM_CXXFLAGS="${AM_CXXFLAGS} -DH5_NO_STD"
])
AC_MSG_CHECKING([if $CXX supports bool types])
AC_TRY_RUN([
int main(void) {
bool flag;
return 0;
}
], [
echo yes
], [
echo no
CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED"
AM_CXXFLAGS="${AM_CXXFLAGS} -DBOOL_NOTDEFINED"
])
AC_MSG_CHECKING([if $CXX has offsetof extension])
AC_TRY_COMPILE([
#include <stdio.h>
#include <stddef.h>
],[
struct index_st
{
unsigned char type;
unsigned char num;
unsigned int len;
};
typedef struct index_st index_t;
int x,y;
x = offsetof(struct index_st, len);
y = offsetof(index_t, num)
],
AC_DEFINE([CXX_HAVE_OFFSETOF], [1],
[Define if C++ compiler recognizes offsetof])
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no]))
AC_MSG_CHECKING([if $CXX can handle static cast])
AC_TRY_RUN([
int main(void) {
float test_float;
int test_int;
test_float = 37.0;
test_int = static_cast <int> (test_float);
return 0;
}
], [
echo yes
], [
echo no
CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST"
AM_CXXFLAGS="${AM_CXXFLAGS} -DNO_STATIC_CAST"
])
else
echo "no"
CXX="no"
fi
## Change back to the C language
AC_LANG_POP(C++)
## ----------------------------------------------------------------------
## Check if they have Perl installed on their system. We only need Perl
## if they're using a GNU compiler.
##
AC_SUBST([PERL]) PERL=""
if test "X$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
## ----------------------------------------------------------------------
## 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
## ----------------------------------------------------------------------
## 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.
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
## compiler looks like a parallel compiler (e.g.,
## mpicc or mpcc) or 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
## configure thinks we're compiling 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])
## ----------------------------------------------------------------------
## If the compiler is obviously a parallel compiler then we're building
## a parallel version of hdf5 and should define HAVE_PARALLEL. Furthermore,
## the name of the compiler might tell us how to run the resulting
## executable. For `mpicc' the executable should be run with `mpiexec' from
## the same directory as mpicc if it exists.
##
case "$CC_BASENAME" in
mpicc)
## The mpich compiler. Use mpiexec from the same directory if it
## exists.
PARALLEL=mpicc
AC_MSG_CHECKING([for mpiexec])
## 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
## 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="$path/mpiexec -n \$\${NPROCS:=6}"
fi
else
AC_MSG_RESULT([none])
fi
;;
mpcc|mpcc_r)
## The IBM compiler
PARALLEL="$CC_BASENAME"
;;
*)
## Probably not a parallel compiler, but if `--enable-parallel'
## is defined below then we're still building a parallel hdf5.
;;
esac
## ----------------------------------------------------------------------
## If the Fortran compiler is obviously a parallel compiler then we're
## building a parallel version of hdf5 and should define HAVE_PARALLEL.
## Furthermore, the name of the compiler might tell us how to run the
## resulting executable. For `mpif90' the executable should be run with
## `mpiexec' from the same directory as mpif90 if it exists.
##
if test "X$HDF_FORTRAN" = "Xyes" ; then
## Change to the Fortran 90 language
AC_LANG_PUSH(Fortran)
case "$FC" in
*mpif90*)
## The Fortran mpich compiler. Use mpiexec from the same directory
## if it exists.
PARALLEL=mpif90
AC_MSG_CHECKING([for mpiexec])
## 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
## 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="$path/mpiexec -n \$\${NPROCS:=6}"
fi
else
AC_MSG_RESULT([none])
fi
;;
*mpxlf* | *mpxlf_r* | *mpxlf90* | *mpxlf90_r* | *mpxlf95* | *mpxlf95_r*)
## The IBM compiler
PARALLEL="$FC"
;;
*)
## Probably not a parallel compiler, but if `--enable-parallel'
## is defined below then we're still building a parallel hdf5.
;;
esac
## Change to the C language
AC_LANG_POP(Fortran)
fi
## -----------------------------------------------------------------------------
## If shared libraries are being used with parallel, disable them, unless the
## 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
## ----------------------------------------------------------------------
## 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$H5_FORTRAN_SHARED" = "Xyes"])
## ----------------------------------------------------------------------
## Disable C++ shared libraries if +DD64 flag is detected.
##
AC_SUBST([H5_CXX_SHARED])
H5_CXX_SHARED="no"
if test "X${HDF_CXX}" = "Xyes" && test "X${enable_shared}" != "Xno"; then
AC_MSG_CHECKING([if shared C++ libraries are supported])
H5_CXX_SHARED="yes"
## Disable C++ shared libraries if DD64 flag is being used.
if (echo dummy ${CXX} ${CXXLD} ${CFLAGS} ${CXXFLAGS} ${LDFLAGS} | grep 'DD64') > /dev/null; then
H5_CXX_SHARED="no"
CHECK_WARN="Shared C++ libraries not currently supported with +DD64 flag."