# 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($enable_version_specific_runtime_libs)
-AC_MSG_CHECKING([for --enable-linux-futex])
-LIBGOMP_ENABLE(linux-futex, yes,
- [Use the Linux futex system call],
- permit yes|no)
-AC_MSG_RESULT($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
+# sources. Therefore we have --enable-generated-files-in-srcdir to do
+# just that.
+AC_MSG_CHECKING([for --enable-generated-files-in-srcdir])
+LIBGOMP_ENABLE(generated-files-in-srcdir, no, ,
+ [put copies of generated files in source dir intended for creating source
+ tarballs for users without texinfo bison or flex.],
+ permit yes|no)
+AC_MSG_RESULT($enable_generated_files_in_srcdir)
+AM_CONDITIONAL(GENINSRC, test "$enable_generated_files_in_srcdir" = yes)
+
# -------
# -------
# 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-dependencies: turns off auto dependency generation (just for now)
+# 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 $gcc_cv_prog_makeinfo_modern = "yes")
+
+
# Configure libtool
AM_PROG_LIBTOOL
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
+AM_MAINTAINER_MODE
+
# We need gfortran to compile parts of the library
# We can't use AC_PROG_FC because it expects a fully working gfortran.
#AC_PROG_FC(gfortran)
-FC="$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)
-AC_CHECK_HEADER([pthread.h],[],
- [AC_MSG_ERROR([Pthreads are required to build libgomp])])
+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=""
CFLAGS="$CFLAGS -pthread"
AC_LINK_IFELSE(
[AC_MSG_ERROR([Pthreads are required to build libgomp])])])
# Check for functions needed.
-AC_CHECK_FUNCS(getloadavg clock_gettime)
+AC_CHECK_FUNCS(getloadavg clock_gettime strtoull)
+
+# Check for broken semaphore implementation on darwin.
+# sem_init returns: sem_init error: Function not implemented.
+case "$host" in
+ *-darwin*)
+ AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
+ Define if the POSIX Semaphores do not work on your system.)
+ ;;
+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
AC_CHECK_LIB(rt, clock_gettime,
[LIBS="-lrt $LIBS"
- AC_DEFINE(HAVE_CLOCK_GETTIME,
+ AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
[Define to 1 if you have the `clock_gettime' function.])])
fi
# See if we support thread-local storage.
-LIBGOMP_CHECK_TLS
+GCC_CHECK_TLS
# See what sort of export controls are availible.
LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY
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 $XCFLAGS"
AM_CONDITIONAL([USE_FORTRAN], [test "$ac_cv_fc_compiler_gnu" = yes])
+# ??? 2006-01-24: Paulo committed to asking autoconf folk to document
+# and export AC_COMPUTE_INT. If that happens, then we'll need to remove
+# the underscore here and update the PREREQ. If it doesn't, then we'll
+# need to copy this macro to our acinclude.m4.
+save_CFLAGS="$CFLAGS"
+for i in $config_path; do
+ if test -f $srcdir/config/$i/omp-lock.h; then
+ CFLAGS="$CFLAGS -include confdefs.h -include $srcdir/config/$i/omp-lock.h"
+ break
+ fi
+done
+
+_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])
+_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.
+# 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 $OMP_NEST_LOCK_25_SIZE; then
+ OMP_NEST_LOCK_25_KIND=8
+fi
+
+AC_SUBST(OMP_LOCK_SIZE)
+AC_SUBST(OMP_LOCK_ALIGN)
+AC_SUBST(OMP_NEST_LOCK_SIZE)
+AC_SUBST(OMP_NEST_LOCK_ALIGN)
+AC_SUBST(OMP_LOCK_KIND)
+AC_SUBST(OMP_NEST_LOCK_KIND)
+AC_SUBST(OMP_LOCK_25_SIZE)
+AC_SUBST(OMP_LOCK_25_ALIGN)
+AC_SUBST(OMP_NEST_LOCK_25_SIZE)
+AC_SUBST(OMP_NEST_LOCK_25_ALIGN)
+AC_SUBST(OMP_LOCK_25_KIND)
+AC_SUBST(OMP_NEST_LOCK_25_KIND)
+CFLAGS="$save_CFLAGS"
+
+AC_CONFIG_FILES(omp.h omp_lib.h omp_lib.f90 libgomp_f.h)
AC_CONFIG_FILES(Makefile testsuite/Makefile libgomp.spec)
AC_OUTPUT
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