mirror of
https://github.com/gcc-mirror/gcc.git
synced 2024-11-21 13:40:47 +00:00
2fb3ee3ee8
My earlier change broke Solaris testing, because @FLOCK@ isn't substituted just into libgomp/Makefile where it worked, but also the testsuite/libgomp-site-extra.exp file where Make variables aren't present and can't be substituted. The following patch instead computes the absolute srcdir path and uses it for FLOCK. 2024-01-10 Jakub Jelinek <jakub@redhat.com> PR libgomp/113192 * configure.ac (FLOCK): Use $libgomp_abs_srcdir/testsuite/flock instead of \$(abs_top_srcdir)/testsuite/flock. * configure: Regenerated.
498 lines
16 KiB
Plaintext
498 lines
16 KiB
Plaintext
# Process this file with autoconf to produce a configure script, like so:
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# aclocal -I ../config && autoconf && autoheader && automake
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AC_INIT([GNU Offloading and Multi Processing Runtime Library], 1.0,,[libgomp])
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AC_CONFIG_HEADER(config.h)
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# -------
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# Options
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# -------
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AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
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LIBGOMP_ENABLE(version-specific-runtime-libs, no, ,
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[Specify that runtime libraries should be installed in a compiler-specific directory],
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permit yes|no)
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AC_MSG_RESULT($enable_version_specific_runtime_libs)
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# We would like our source tree to be readonly. However when releases or
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# pre-releases are generated, the flex/bison generated files as well as the
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# various formats of manuals need to be included along with the rest of the
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# sources. Therefore we have --enable-generated-files-in-srcdir to do
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# just that.
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AC_MSG_CHECKING([for --enable-generated-files-in-srcdir])
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LIBGOMP_ENABLE(generated-files-in-srcdir, no, ,
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[put copies of generated files in source dir intended for creating source
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tarballs for users without texinfo bison or flex.],
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permit yes|no)
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AC_MSG_RESULT($enable_generated_files_in_srcdir)
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AM_CONDITIONAL(GENINSRC, test "$enable_generated_files_in_srcdir" = yes)
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# -------
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# -------
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# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
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#
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# You will slowly go insane if you do not grok the following fact: when
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# building this library, the top-level /target/ becomes the library's /host/.
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#
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# configure then causes --target to default to --host, exactly like any
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# other package using autoconf. Therefore, 'target' and 'host' will
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# always be the same. This makes sense both for native and cross compilers
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# just think about it for a little while. :-)
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#
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# Also, if this library is being configured as part of a cross compiler, the
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# top-level configure script will pass the "real" host as $with_cross_host.
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#
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# Do not delete or change the following two lines. For why, see
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# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
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AC_CANONICAL_SYSTEM
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target_alias=${target_alias-$host_alias}
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# Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
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# following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
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# 1.9.0: minimum required version
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# no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
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# of other PACKAGE_* variables will, however, and there's nothing
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# we can do about that; they come from AC_INIT).
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# foreign: we don't follow the normal rules for GNU packages (no COPYING
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# file in the top srcdir, etc, etc), so stop complaining.
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# no-dist: we don't want 'dist' and related rules.
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# -Wall: turns on all automake warnings...
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# -Wno-portability: ...except this one, since GNU make is required.
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# -Wno-override: ... and this one, since we do want this in testsuite.
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AM_INIT_AUTOMAKE([1.9.0 foreign no-dist -Wall -Wno-portability -Wno-override])
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AM_ENABLE_MULTILIB(, ..)
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GCC_WITH_TOOLEXECLIBDIR
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# Calculate toolexeclibdir
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# Also toolexecdir, though it's only used in toolexeclibdir
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case ${enable_version_specific_runtime_libs} in
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yes)
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# Need the gcc compiler version to know where to install libraries
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# and header files if --enable-version-specific-runtime-libs option
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# is selected.
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toolexecdir='$(libdir)/gcc/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
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;;
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no)
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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# Install a library built with a cross compiler in tooldir, not libdir.
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toolexecdir='$(exec_prefix)/$(target_alias)'
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case ${with_toolexeclibdir} in
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no)
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toolexeclibdir='$(toolexecdir)/lib'
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;;
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*)
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toolexeclibdir=${with_toolexeclibdir}
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;;
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esac
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else
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toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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toolexeclibdir='$(libdir)'
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fi
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multi_os_directory=`$CC -print-multi-os-directory`
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case $multi_os_directory in
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.) ;; # Avoid trailing /.
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*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
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esac
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;;
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esac
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AC_SUBST(toolexecdir)
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AC_SUBST(toolexeclibdir)
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# Check the compiler.
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# The same as in boehm-gc and libstdc++. Have to borrow it from there.
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# We must force CC to /not/ be precious variables; otherwise
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# the wrong, non-multilib-adjusted value will be used in multilibs.
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# As a side effect, we have to subst CFLAGS ourselves.
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m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
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m4_define([_AC_ARG_VAR_PRECIOUS],[])
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AC_PROG_CC
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m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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AC_SUBST(CFLAGS)
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# In order to override CFLAGS_FOR_TARGET, all of our special flags go
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# in XCFLAGS. But we need them in CFLAGS during configury. So put them
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# in both places for now and restore CFLAGS at the end of config.
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save_CFLAGS="$CFLAGS"
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AC_ARG_ENABLE([werror],
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[AS_HELP_STRING([--disable-werror], [disable building with -Werror])])
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# Add -Wall -Werror if we are using GCC.
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AS_IF([test "x$GCC" = "xyes"],
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[XCFLAGS="$XCFLAGS -Wall"])
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AS_IF([test "x$enable_werror" != "xno" && test "x$GCC" = "xyes"],
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[XCFLAGS="$XCFLAGS -Werror"])
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# Find other programs we need.
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error)
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AC_PROG_MAKE_SET
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AC_PROG_INSTALL
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# See if makeinfo has been installed and is modern enough
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# that we can use it.
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ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
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[GNU texinfo.* \([0-9][0-9.]*\)],
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[4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
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AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes")
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# Configure libtool
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AM_PROG_LIBTOOL
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ACX_LT_HOST_FLAGS
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AC_SUBST(enable_shared)
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AC_SUBST(enable_static)
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AM_CONDITIONAL([ENABLE_DARWIN_AT_RPATH], [test x$enable_darwin_at_rpath = xyes])
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AM_MAINTAINER_MODE
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# Create a spec file, so that compile/link tests don't fail
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test -f libgfortran.spec || touch libgfortran.spec
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FCFLAGS="$FCFLAGS -L."
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# We need gfortran to compile parts of the library
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# We can't use AC_PROG_FC because it expects a fully working gfortran.
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#AC_PROG_FC(gfortran)
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case `echo $GFORTRAN` in
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-* | no* )
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FC=no ;;
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*)
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set dummy $GFORTRAN; ac_word=$2
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if test -x "$ac_word"; then
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FC="$GFORTRAN"
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else
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FC=no
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fi ;;
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esac
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AC_PROG_FC(gfortran)
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FCFLAGS="$FCFLAGS -Wall -L../libgfortran"
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# For libtool versioning info, format is CURRENT:REVISION:AGE
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libtool_VERSION=1:0:0
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AC_SUBST(libtool_VERSION)
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# Check header files.
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AC_STDC_HEADERS
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AC_HEADER_TIME
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ACX_HEADER_STRING
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AC_CHECK_HEADERS(pthread.h unistd.h semaphore.h sys/loadavg.h sys/sysctl.h sys/time.h)
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XPCFLAGS=""
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case "$host" in
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*-*-rtems*)
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# RTEMS supports Pthreads, but the library is not available at GCC build time.
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;;
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nvptx*-*-* | amdgcn*-*-*)
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# NVPTX does not support Pthreads, has its own code replacement.
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libgomp_use_pthreads=no
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# NVPTX is an accelerator-only target
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libgomp_offloaded_only=yes
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;;
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*)
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# Check to see if -pthread or -lpthread is needed. Prefer the former.
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# In case the pthread.h system header is not found, this test will fail.
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CFLAGS="$CFLAGS -pthread"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <pthread.h>
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void *g(void *d) { return NULL; }],
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[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
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[XPCFLAGS=" -Wc,-pthread"],
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[CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <pthread.h>
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void *g(void *d) { return NULL; }],
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[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
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[],
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[AC_MSG_ERROR([Pthreads are required to build libgomp])])])
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esac
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if test x$libgomp_use_pthreads != xno; then
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AC_DEFINE(LIBGOMP_USE_PTHREADS, 1,
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[Define to 1 if libgomp should use POSIX threads.])
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fi
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if test x$libgomp_offloaded_only = xyes; then
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AC_DEFINE(LIBGOMP_OFFLOADED_ONLY, 1,
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[Define to 1 if building libgomp for an accelerator-only target.])
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fi
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if test "x$enable_offload_defaulted" = xyes; then
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AC_DEFINE(OFFLOAD_DEFAULTED, 1,
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[Define to 1 to if -foffload is defaulted])
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fi
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AC_CHECK_SIZEOF([void *])
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m4_include([plugin/configfrag.ac])
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# Check for functions needed.
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AC_CHECK_FUNCS(getloadavg clock_gettime strtoull)
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AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
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# Check for broken semaphore implementation on darwin.
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# sem_init returns: sem_init error: Function not implemented.
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case "$host" in
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*-darwin*)
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AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
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Define if the POSIX Semaphores do not work on your system.)
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;;
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esac
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# RTEMS specific checks
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case "$host" in
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*-*-rtems*)
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AC_CHECK_TYPES([struct _Mutex_Control],[],[],[#include <sys/lock.h>])
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;;
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esac
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GCC_LINUX_FUTEX(:)
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# Check for pthread_{,attr_}[sg]etaffinity_np.
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#define _GNU_SOURCE
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#include <pthread.h>],
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[cpu_set_t cpuset;
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pthread_attr_t attr;
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pthread_getaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
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if (CPU_ISSET (0, &cpuset))
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CPU_SET (1, &cpuset);
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else
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CPU_ZERO (&cpuset);
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pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
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pthread_attr_init (&attr);
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pthread_attr_getaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);
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pthread_attr_setaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);])],
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AC_DEFINE(HAVE_PTHREAD_AFFINITY_NP, 1,
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[ Define if pthread_{,attr_}{g,s}etaffinity_np is supported.]))
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# At least for glibc, clock_gettime is in librt. But don't pull that
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# in if it still doesn't give us the function we want.
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if test $ac_cv_func_clock_gettime = no; then
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AC_CHECK_LIB(rt, clock_gettime,
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[LIBS="-lrt $LIBS"
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AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
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[Define to 1 if you have the `clock_gettime' function.])])
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fi
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# Check for uname.
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <string.h>
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#include <stdlib.h>
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#include <sys/utsname.h>],
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[struct utsname buf;
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volatile size_t len = 0;
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if (!uname (buf))
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len = strlen (buf.nodename);])],
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AC_DEFINE(HAVE_UNAME, 1,
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[ Define if uname is supported and struct utsname has nodename field.]))
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# Check for gethostname.
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <unistd.h>],
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[
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changequote(,)dnl
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char buf[256];
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if (gethostname (buf, sizeof (buf) - 1) == 0)
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buf[255] = '\0';
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changequote([,])dnl
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])],
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AC_DEFINE(HAVE_GETHOSTNAME, 1,
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[ Define if gethostname is supported.]))
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# Check for getpid.
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <unistd.h>],
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[int pid = getpid ();])],
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AC_DEFINE(HAVE_GETPID, 1,
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[ Define if getpid is supported.]))
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# See if we support thread-local storage.
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GCC_CHECK_TLS
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# See if we have emulated thread-local storage.
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GCC_CHECK_EMUTLS
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# See what sort of export controls are available.
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LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY
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LIBGOMP_CHECK_ATTRIBUTE_DLLEXPORT
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LIBGOMP_CHECK_ATTRIBUTE_ALIAS
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LIBGOMP_ENABLE_SYMVERS
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if test $enable_symvers = gnu; then
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AC_DEFINE(LIBGOMP_GNU_SYMBOL_VERSIONING, 1,
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[Define to 1 if GNU symbol versioning is used for libgomp.])
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fi
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# Determine cpu count to limit testsuite parallelism.
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AX_COUNT_CPUS
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AC_SUBST(CPU_COUNT)
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AC_MSG_NOTICE([checking for flock implementation])
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AC_CHECK_PROGS(FLOCK, flock)
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# Fallback if 'perl' is available.
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if test -z "$FLOCK"; then
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# These need to be absolute paths, yet at the same time need to
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# canonicalize only relative paths, because then amd will not unmount
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# drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
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case $srcdir in
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changequote(,)dnl
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[\\/$]* | ?:[\\/]*) libgomp_abs_srcdir=${srcdir} ;;
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changequote([,])dnl
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*) libgomp_abs_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
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esac
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AC_CHECK_PROG(FLOCK, perl, $libgomp_abs_srcdir/testsuite/flock)
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fi
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AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
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# Get target configury.
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. ${srcdir}/configure.tgt
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CFLAGS="$save_CFLAGS $XCFLAGS"
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# Check for __sync_val_compare_and_swap, but only after the target has
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# had a chance to set XCFLAGS.
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LIBGOMP_CHECK_SYNC_BUILTINS
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XCFLAGS="$XCFLAGS$XPCFLAGS"
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# Add CET specific flags if CET is enabled
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GCC_CET_FLAGS(CET_FLAGS)
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XCFLAGS="$XCFLAGS $CET_FLAGS"
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FCFLAGS="$FCFLAGS $CET_FLAGS"
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AC_SUBST(config_path)
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AC_SUBST(XCFLAGS)
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AC_SUBST(XLDFLAGS)
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# Conditionalize the makefile for this target machine.
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tmake_file_=
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for f in ${tmake_file}
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do
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if test -f ${srcdir}/config/$f
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then
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tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
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fi
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done
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tmake_file="${tmake_file_}"
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AC_SUBST(tmake_file)
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# Cleanup and exit.
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CFLAGS="$save_CFLAGS"
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AC_CACHE_SAVE
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if test ${multilib} = yes; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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# Set up the set of libraries that we need to link against for libgomp.
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# Note that the GOMP_SELF_SPEC in gcc.c may force -pthread,
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# which will force linkage against -lpthread (or equivalent for the system).
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# That's not 100% ideal, but about the best we can do easily.
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if test $enable_shared = yes; then
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link_gomp="-lgomp %{static: $LIBS${DL_LIBS:+ $DL_LIBS}}"
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else
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link_gomp="-lgomp $LIBS${DL_LIBS:+ $DL_LIBS}"
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fi
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AC_SUBST(link_gomp)
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AM_CONDITIONAL([USE_FORTRAN], [test "$ac_cv_fc_compiler_gnu" = yes])
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# ??? 2006-01-24: Paulo committed to asking autoconf folk to document
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# and export AC_COMPUTE_INT. If that happens, then we'll need to remove
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# the underscore here and update the PREREQ. If it doesn't, then we'll
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# need to copy this macro to our acinclude.m4.
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save_CFLAGS="$CFLAGS"
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for i in $config_path; do
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if test -f $srcdir/config/$i/omp-lock.h; then
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CFLAGS="$CFLAGS -include confdefs.h -include $srcdir/config/$i/omp-lock.h"
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break
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fi
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done
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_AC_COMPUTE_INT([sizeof (__INTPTR_TYPE__)], [INTPTR_T_KIND])
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_AC_COMPUTE_INT([sizeof (__int128)], [OMP_INT128_SIZE],,[OMP_INT128_SIZE=0])
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_AC_COMPUTE_INT([2*sizeof (__INTPTR_TYPE__)], [OMP_DEPEND_KIND],,
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[OMP_DEPEND_KIND=0])
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_AC_COMPUTE_INT([sizeof (omp_lock_t)], [OMP_LOCK_SIZE],,
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[AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_t)])])
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_AC_COMPUTE_INT([__alignof (omp_lock_t)], [OMP_LOCK_ALIGN])
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_AC_COMPUTE_INT([sizeof (omp_nest_lock_t)], [OMP_NEST_LOCK_SIZE])
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_AC_COMPUTE_INT([__alignof (omp_nest_lock_t)], [OMP_NEST_LOCK_ALIGN])
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_AC_COMPUTE_INT([sizeof (omp_lock_25_t)], [OMP_LOCK_25_SIZE],,
|
|
[AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_25_t)])])
|
|
_AC_COMPUTE_INT([__alignof (omp_lock_25_t)], [OMP_LOCK_25_ALIGN])
|
|
_AC_COMPUTE_INT([sizeof (omp_nest_lock_25_t)], [OMP_NEST_LOCK_25_SIZE])
|
|
_AC_COMPUTE_INT([__alignof (omp_nest_lock_25_t)], [OMP_NEST_LOCK_25_ALIGN])
|
|
|
|
# If the lock fits in an integer, then arrange for Fortran to use that
|
|
# integer. If it doesn't, then arrange for Fortran to use a pointer.
|
|
# Except that we don't have a way at present to multi-lib the installed
|
|
# Fortran modules, so we assume 8 bytes for pointers, regardless of the
|
|
# actual target.
|
|
OMP_LOCK_KIND=$OMP_LOCK_SIZE
|
|
OMP_NEST_LOCK_KIND=$OMP_NEST_LOCK_SIZE
|
|
if test $OMP_LOCK_SIZE -gt 8 || test $OMP_LOCK_ALIGN -gt $OMP_LOCK_SIZE; then
|
|
OMP_LOCK_KIND=8
|
|
fi
|
|
if test $OMP_NEST_LOCK_SIZE -gt 8 || test $OMP_NEST_LOCK_ALIGN -gt $OMP_NEST_LOCK_SIZE; then
|
|
OMP_NEST_LOCK_KIND=8
|
|
fi
|
|
OMP_LOCK_25_KIND=$OMP_LOCK_25_SIZE
|
|
OMP_NEST_LOCK_25_KIND=$OMP_NEST_LOCK_25_SIZE
|
|
if test $OMP_LOCK_25_SIZE -gt 8 || test $OMP_LOCK_25_ALIGN -gt $OMP_LOCK_25_SIZE; then
|
|
OMP_LOCK_25_KIND=8
|
|
fi
|
|
if test $OMP_NEST_LOCK_25_SIZE -gt 8 || test $OMP_NEST_LOCK_25_ALIGN -gt $OMP_NEST_LOCK_25_SIZE; then
|
|
OMP_NEST_LOCK_25_KIND=8
|
|
fi
|
|
if test "$ac_cv_fc_compiler_gnu" = yes; then
|
|
if test $OMP_DEPEND_KIND -eq 16; then
|
|
if test $OMP_INT128_SIZE -ne 16; then
|
|
AC_MSG_ERROR([unsupported system, cannot find Fortran int kind=16, needed for omp_depend_kind])
|
|
fi
|
|
else
|
|
if test $OMP_DEPEND_KIND -ne 8; then
|
|
AC_MSG_ERROR([unsupported system, cannot find Fortran integer kind for omp_depend_kind])
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
AC_SUBST(INTPTR_T_KIND)
|
|
AC_SUBST(OMP_LOCK_SIZE)
|
|
AC_SUBST(OMP_LOCK_ALIGN)
|
|
AC_SUBST(OMP_NEST_LOCK_SIZE)
|
|
AC_SUBST(OMP_NEST_LOCK_ALIGN)
|
|
AC_SUBST(OMP_LOCK_KIND)
|
|
AC_SUBST(OMP_NEST_LOCK_KIND)
|
|
AC_SUBST(OMP_LOCK_25_SIZE)
|
|
AC_SUBST(OMP_LOCK_25_ALIGN)
|
|
AC_SUBST(OMP_NEST_LOCK_25_SIZE)
|
|
AC_SUBST(OMP_NEST_LOCK_25_ALIGN)
|
|
AC_SUBST(OMP_LOCK_25_KIND)
|
|
AC_SUBST(OMP_NEST_LOCK_25_KIND)
|
|
AC_SUBST(OMP_DEPEND_KIND)
|
|
CFLAGS="$save_CFLAGS"
|
|
|
|
# Determine what GCC version number to use in filesystem paths.
|
|
GCC_BASE_VER
|
|
|
|
AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h)
|
|
AC_CONFIG_FILES(Makefile testsuite/Makefile libgomp.spec)
|
|
AC_CONFIG_FILES([testsuite/libgomp-test-support.pt.exp:testsuite/libgomp-test-support.exp.in])
|
|
AC_CONFIG_FILES([testsuite/libgomp-site-extra.exp])
|
|
AC_OUTPUT
|