# Process this file with autoconf to produce a configure script, like so:
# aclocal -I ../config && autoconf && autoheader && automake
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
AC_INIT([GNU OpenMP Runtime Library], 1.0,,[libgomp])
AC_CONFIG_HEADER(config.h)
permit yes|no)
AC_MSG_RESULT($enable_version_specific_runtime_libs)
-AC_MSG_CHECKING([for --enable-linux-futex])
-LIBGOMP_ENABLE(linux-futex, default, ,
- [Use the Linux futex system call],
- permit yes|no|default)
-AC_MSG_RESULT($enable_linux_futex)
-
# We would like our source tree to be readonly. However when releases or
# pre-releases are generated, the flex/bison generated files as well as the
# various formats of manuals need to be included along with the rest of the
# we can do about that; they come from AC_INIT).
# foreign: we don't follow the normal rules for GNU packages (no COPYING
# file in the top srcdir, etc, etc), so stop complaining.
+# no-dist: we don't want 'dist' and related rules.
# -Wall: turns on all automake warnings...
# -Wno-portability: ...except this one, since GNU make is required.
# -Wno-override: ... and this one, since we do want this in testsuite.
-AM_INIT_AUTOMAKE([1.9.0 foreign -Wall -Wno-portability -Wno-override])
+AM_INIT_AUTOMAKE([1.9.0 foreign no-dist -Wall -Wno-portability -Wno-override])
AM_ENABLE_MULTILIB(, ..)
# Calculate toolexeclibdir
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
AC_PROG_MAKE_SET
AC_PROG_INSTALL
+# See if makeinfo has been installed and is modern enough
+# that we can use it.
+ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
+ [GNU texinfo.* \([0-9][0-9.]*\)],
+ [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
+AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes")
+
+
# Configure libtool
AM_PROG_LIBTOOL
AC_SUBST(enable_shared)
# We need gfortran to compile parts of the library
# We can't use AC_PROG_FC because it expects a fully working gfortran.
#AC_PROG_FC(gfortran)
-FC="$GFORTRAN"
+case `echo $GFORTRAN` in
+ -* | no* )
+ FC=no ;;
+ *)
+ set dummy $GFORTRAN; ac_word=$2
+ if test -x "$ac_word"; then
+ FC="$GFORTRAN"
+ else
+ FC=no
+ fi ;;
+esac
AC_PROG_FC(gfortran)
FCFLAGS="$FCFLAGS -Wall"
# Check header files.
AC_STDC_HEADERS
AC_HEADER_TIME
-AC_CHECK_HEADERS(unistd.h semaphore.h sys/loadavg.h sys/time.h)
+ACX_HEADER_STRING
+AC_CHECK_HEADERS(unistd.h semaphore.h sys/loadavg.h sys/time.h sys/time.h)
GCC_HEADER_STDINT(gstdint.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=""
-
-# Darwin doesn't need the -pthread option since threads are in libSystem
+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);])],
- [case $host in
- *-darwin*)
- ;;
- default)
- XPCFLAGS=" -Wc,-pthread"
- ;;
- esac],
+ [XPCFLAGS=" -Wc,-pthread"],
[CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[AC_MSG_ERROR([Pthreads are required to build libgomp])])])
# Check for functions needed.
-AC_CHECK_FUNCS(getloadavg clock_gettime)
+AC_CHECK_FUNCS(getloadavg clock_gettime strtoull)
# Check for broken semaphore implementation on darwin.
# sem_init returns: sem_init error: Function not implemented.
AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
Define if the POSIX Semaphores do not work on your system.)
;;
- *-linux*)
- case "$enable_linux_futex" in
- default)
- # If headers don't have gettid/futex syscalls definition, then
- # default to no, otherwise there will be compile time failures.
- # Otherwise, default to yes. If we don't detect we are
- # compiled/linked against NPTL and not cross-compiling, check
- # if programs are run by default against NPTL and if not, issue
- # a warning.
- enable_linux_futex=no
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [#include <sys/syscall.h>
- int lk;],
- [syscall (SYS_gettid); syscall (SYS_futex, &lk, 0, 0, 0);])],
- [AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [#ifndef _GNU_SOURCE
- #define _GNU_SOURCE 1
- #endif
- #include <pthread.h>
- pthread_t th; void *status;],
- [pthread_tryjoin_np (th, &status);])],[enable_linux_futex=yes],
- [if test x$cross_compiling = xno; then
- if getconf GNU_LIBPTHREAD_VERSION 2>/dev/null \
- | LC_ALL=C grep -i NPTL > /dev/null 2>/dev/null; then
- AC_MSG_WARN([The kernel might not support futex or gettid syscalls.
-If so, please configure with --disable-linux-futex])
- fi
- fi
- enable_linux_futex=yes])])
- ;;
- yes)
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [#include <sys/syscall.h>
- int lk;],
- [syscall (SYS_gettid); syscall (SYS_futex, &lk, 0, 0, 0);])],[],
- [AC_MSG_ERROR([SYS_gettid and SYS_futex required for --enable-linux-futex])])
- ;;
- esac
- ;;
esac
+GCC_LINUX_FUTEX(:)
+
+# Check for pthread_{,attr_}[sg]etaffinity_np.
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#define _GNU_SOURCE
+ #include <pthread.h>],
+ [cpu_set_t cpuset;
+ pthread_attr_t attr;
+ pthread_getaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
+ if (CPU_ISSET (0, &cpuset))
+ CPU_SET (1, &cpuset);
+ else
+ CPU_ZERO (&cpuset);
+ pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
+ pthread_attr_init (&attr);
+ pthread_attr_getaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);
+ pthread_attr_setaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);])],
+ AC_DEFINE(HAVE_PTHREAD_AFFINITY_NP, 1,
+[ Define if pthread_{,attr_}{g,s}etaffinity_np is supported.]))
+
# At least for glibc, clock_gettime is in librt. But don't pull that
# in if it still doesn't give us the function we want.
if test $ac_cv_func_clock_gettime = no; then
LIBGOMP_CHECK_ATTRIBUTE_ALIAS
LIBGOMP_ENABLE_SYMVERS
+if test $enable_symvers = gnu; then
+ AC_DEFINE(LIBGOMP_GNU_SYMBOL_VERSIONING, 1,
+ [Define to 1 if GNU symbol versioning is used for libgomp.])
+fi
+
# Get target configury.
. ${srcdir}/configure.tgt
CFLAGS="$save_CFLAGS $XCFLAGS"
save_CFLAGS="$CFLAGS"
for i in $config_path; do
if test -f $srcdir/config/$i/omp-lock.h; then
- CFLAGS="$CFLAGS -include $srcdir/config/$i/omp-lock.h"
+ CFLAGS="$CFLAGS -include confdefs.h -include $srcdir/config/$i/omp-lock.h"
break
fi
done
_AC_COMPUTE_INT([__alignof (omp_lock_t)], [OMP_LOCK_ALIGN])
_AC_COMPUTE_INT([sizeof (omp_nest_lock_t)], [OMP_NEST_LOCK_SIZE])
_AC_COMPUTE_INT([__alignof (omp_nest_lock_t)], [OMP_NEST_LOCK_ALIGN])
+_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.
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 $OMP_NEST_LOCK_25_SIZE; then
+ OMP_NEST_LOCK_25_KIND=8
+fi
AC_SUBST(OMP_LOCK_SIZE)
AC_SUBST(OMP_LOCK_ALIGN)
AC_SUBST(OMP_NEST_LOCK_ALIGN)
AC_SUBST(OMP_LOCK_KIND)
AC_SUBST(OMP_NEST_LOCK_KIND)
+AC_SUBST(OMP_LOCK_25_SIZE)
+AC_SUBST(OMP_LOCK_25_ALIGN)
+AC_SUBST(OMP_NEST_LOCK_25_SIZE)
+AC_SUBST(OMP_NEST_LOCK_25_ALIGN)
+AC_SUBST(OMP_LOCK_25_KIND)
+AC_SUBST(OMP_NEST_LOCK_25_KIND)
CFLAGS="$save_CFLAGS"
AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h)
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