# Process this file with autoconf to produce a configure script, like so:
# aclocal -I ../config && autoconf && autoheader && automake
-AC_PREREQ(2.64)
AC_INIT([GNU Offloading and Multi Processing Runtime Library], 1.0,,[libgomp])
AC_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE([1.9.0 foreign no-dist -Wall -Wno-portability -Wno-override])
AM_ENABLE_MULTILIB(, ..)
+GCC_WITH_TOOLEXECLIBDIR
+
# Calculate toolexeclibdir
# Also toolexecdir, though it's only used in toolexeclibdir
case ${enable_version_specific_runtime_libs} in
test x"$with_cross_host" != x"no"; then
# Install a library built with a cross compiler in tooldir, not libdir.
toolexecdir='$(exec_prefix)/$(target_alias)'
- toolexeclibdir='$(toolexecdir)/lib'
+ case ${with_toolexeclibdir} in
+ no)
+ toolexeclibdir='$(toolexecdir)/lib'
+ ;;
+ *)
+ toolexeclibdir=${with_toolexeclibdir}
+ ;;
+ esac
else
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
toolexeclibdir='$(libdir)'
AC_STDC_HEADERS
AC_HEADER_TIME
ACX_HEADER_STRING
-AC_CHECK_HEADERS(unistd.h semaphore.h sys/loadavg.h sys/time.h sys/time.h)
-
-GCC_HEADER_STDINT(gstdint.h)
+AC_CHECK_HEADERS(pthread.h unistd.h semaphore.h sys/loadavg.h sys/sysctl.h sys/time.h)
-# Check to see if -pthread or -lpthread is needed. Prefer the former.
-# In case the pthread.h system header is not found, this test will fail.
XPCFLAGS=""
-CFLAGS="$CFLAGS -pthread"
-AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [#include <pthread.h>
- void *g(void *d) { return NULL; }],
- [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
- [XPCFLAGS=" -Wc,-pthread"],
- [CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [#include <pthread.h>
- void *g(void *d) { return NULL; }],
- [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
- [],
- [AC_MSG_ERROR([Pthreads are required to build libgomp])])])
-
-plugin_support=yes
-AC_CHECK_LIB(dl, dlsym, , [plugin_support=no])
-if test x"$plugin_support" = xyes; then
- AC_DEFINE(PLUGIN_SUPPORT, 1,
- [Define if all infrastructure, needed for plugins, is supported.])
+case "$host" in
+ *-*-rtems*)
+ # RTEMS supports Pthreads, but the library is not available at GCC build time.
+ ;;
+ nvptx*-*-* | amdgcn*-*-*)
+ # NVPTX does not support Pthreads, has its own code replacement.
+ libgomp_use_pthreads=no
+ # NVPTX is an accelerator-only target
+ libgomp_offloaded_only=yes
+ ;;
+ *)
+ # Check to see if -pthread or -lpthread is needed. Prefer the former.
+ # In case the pthread.h system header is not found, this test will fail.
+ CFLAGS="$CFLAGS -pthread"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <pthread.h>
+ void *g(void *d) { return NULL; }],
+ [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
+ [XPCFLAGS=" -Wc,-pthread"],
+ [CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <pthread.h>
+ void *g(void *d) { return NULL; }],
+ [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
+ [],
+ [AC_MSG_ERROR([Pthreads are required to build libgomp])])])
+esac
+
+if test x$libgomp_use_pthreads != xno; then
+ AC_DEFINE(LIBGOMP_USE_PTHREADS, 1,
+ [Define to 1 if libgomp should use POSIX threads.])
fi
+if test x$libgomp_offloaded_only = xyes; then
+ AC_DEFINE(LIBGOMP_OFFLOADED_ONLY, 1,
+ [Define to 1 if building libgomp for an accelerator-only target.])
+fi
+
+if test "x$enable_offload_defaulted" = xyes; then
+ AC_DEFINE(OFFLOAD_DEFAULTED, 1,
+ [Define to 1 to if -foffload is defaulted])
+fi
+
+AC_CHECK_SIZEOF([void *])
+
+m4_include([plugin/configfrag.ac])
+
# Check for functions needed.
AC_CHECK_FUNCS(getloadavg clock_gettime strtoull)
+AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
# Check for broken semaphore implementation on darwin.
# sem_init returns: sem_init error: Function not implemented.
;;
esac
+# RTEMS specific checks
+case "$host" in
+ *-*-rtems*)
+ AC_CHECK_TYPES([struct _Mutex_Control],[],[],[#include <sys/lock.h>])
+ ;;
+esac
+
GCC_LINUX_FUTEX(:)
# Check for pthread_{,attr_}[sg]etaffinity_np.
[Define to 1 if you have the `clock_gettime' function.])])
fi
+# Check for uname.
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <string.h>
+ #include <stdlib.h>
+ #include <sys/utsname.h>],
+ [struct utsname buf;
+ volatile size_t len = 0;
+ if (!uname (buf))
+ len = strlen (buf.nodename);])],
+ AC_DEFINE(HAVE_UNAME, 1,
+[ Define if uname is supported and struct utsname has nodename field.]))
+
+# Check for gethostname.
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <unistd.h>],
+ [
+changequote(,)dnl
+ char buf[256];
+ if (gethostname (buf, sizeof (buf) - 1) == 0)
+ buf[255] = '\0';
+changequote([,])dnl
+ ])],
+ AC_DEFINE(HAVE_GETHOSTNAME, 1,
+[ Define if gethostname is supported.]))
+
+# Check for getpid.
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <unistd.h>],
+ [int pid = getpid ();])],
+ AC_DEFINE(HAVE_GETPID, 1,
+[ Define if getpid is supported.]))
+
# See if we support thread-local storage.
GCC_CHECK_TLS
[Define to 1 if GNU symbol versioning is used for libgomp.])
fi
+# Determine cpu count to limit testsuite parallelism.
+AX_COUNT_CPUS
+AC_SUBST(CPU_COUNT)
+
# Get target configury.
. ${srcdir}/configure.tgt
CFLAGS="$save_CFLAGS $XCFLAGS"
XCFLAGS="$XCFLAGS$XPCFLAGS"
+# Add CET specific flags if CET is enabled
+GCC_CET_FLAGS(CET_FLAGS)
+XCFLAGS="$XCFLAGS $CET_FLAGS"
+FCFLAGS="$FCFLAGS $CET_FLAGS"
+
AC_SUBST(config_path)
AC_SUBST(XCFLAGS)
AC_SUBST(XLDFLAGS)
+# Conditionalize the makefile for this target machine.
+tmake_file_=
+for f in ${tmake_file}
+do
+ if test -f ${srcdir}/config/$f
+ then
+ tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
+ fi
+done
+tmake_file="${tmake_file_}"
+AC_SUBST(tmake_file)
+
# Cleanup and exit.
CFLAGS="$save_CFLAGS"
AC_CACHE_SAVE
multilib_arg=
fi
-# Get accel target and path to install tree of accel compiler
-offload_additional_options=
-offload_additional_lib_paths=
-offload_targets=
-if test x"$enable_offload_targets" != x; then
- for tgt in `echo $enable_offload_targets | sed -e 's#,# #g'`; do
- tgt_dir=`echo $tgt | grep '=' | sed 's/.*=//'`
- tgt=`echo $tgt | sed 's/=.*//'`
- case $tgt in
- *-intelmic-* | *-intelmicemul-*)
- tgt_name="intelmic" ;;
- *)
- AC_MSG_ERROR([unknown offload target specified]) ;;
- esac
- if test x"$offload_targets" = x; then
- offload_targets=$tgt_name
- else
- offload_targets=$offload_targets,$tgt_name
- fi
- if test x"$tgt_dir" != x; then
- offload_additional_options="$offload_additional_options -B$tgt_dir/libexec/gcc/\$(target_alias)/\$(gcc_version) -B$tgt_dir/bin"
- offload_additional_lib_paths="$offload_additional_lib_paths:$tgt_dir/lib64:$tgt_dir/lib:$tgt_dir/lib32"
- else
- offload_additional_options="$offload_additional_options -B\$(libexecdir)/gcc/\$(target_alias)/\$(gcc_version) -B\$(bindir)"
- offload_additional_lib_paths="$offload_additional_lib_paths:$toolexeclibdir"
- fi
- done
-fi
-AC_DEFINE_UNQUOTED(OFFLOAD_TARGETS, "$offload_targets",
- [Define to hold the list of target names suitable for offloading.])
-AC_SUBST(offload_targets)
-AC_SUBST(offload_additional_options)
-AC_SUBST(offload_additional_lib_paths)
-
# Set up the set of libraries that we need to link against for libgomp.
# Note that the GOMP_SELF_SPEC in gcc.c may force -pthread,
# which will force linkage against -lpthread (or equivalent for the system).
fi
done
+_AC_COMPUTE_INT([sizeof (__INTPTR_TYPE__)], [INTPTR_T_KIND])
+_AC_COMPUTE_INT([sizeof (__int128)], [OMP_INT128_SIZE],,[OMP_INT128_SIZE=0])
+_AC_COMPUTE_INT([2*sizeof (__INTPTR_TYPE__)], [OMP_DEPEND_KIND],,
+ [OMP_DEPEND_KIND=0])
_AC_COMPUTE_INT([sizeof (omp_lock_t)], [OMP_LOCK_SIZE],,
[AC_MSG_ERROR([unsupported system, cannot find sizeof (omp_lock_t)])])
_AC_COMPUTE_INT([__alignof (omp_lock_t)], [OMP_LOCK_ALIGN])
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 $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 $OMP_DEPEND_KIND -ne 8; then
+ AC_MSG_ERROR([unsupported system, cannot find Fortran integer kind for omp_depend_kind])
+ fi
+fi
+AC_SUBST(INTPTR_T_KIND)
AC_SUBST(OMP_LOCK_SIZE)
AC_SUBST(OMP_LOCK_ALIGN)
AC_SUBST(OMP_NEST_LOCK_SIZE)
AC_SUBST(OMP_NEST_LOCK_25_ALIGN)
AC_SUBST(OMP_LOCK_25_KIND)
AC_SUBST(OMP_NEST_LOCK_25_KIND)
+AC_SUBST(OMP_DEPEND_KIND)
CFLAGS="$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
projects / thirdparty / gcc.git / blobdiff