XLDFLAGS
XCFLAGS
config_path
+LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_FALSE
+LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_TRUE
+LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_FALSE
+LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE
+LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_FALSE
+LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE
LIBGOMP_BUILD_VERSIONED_SHLIB_FALSE
LIBGOMP_BUILD_VERSIONED_SHLIB_TRUE
OPT_LDFLAGS
# 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.
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11085 "configure"
+#line 11092 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11191 "configure"
+#line 11198 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
$as_echo_n "checking for type equivalent to int8_t... " >&6; }
case "$ac_cv_sizeof_char" in
1) acx_cv_type_int8_t=char ;;
- *) { as_fn_set_status please report a bug
-as_fn_error "no 8-bit type" "$LINENO" 5; }
+ *) as_fn_error "no 8-bit type, please report a bug" "$LINENO" 5
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_int8_t" >&5
$as_echo "$acx_cv_type_int8_t" >&6; }
case "$ac_cv_sizeof_int:$ac_cv_sizeof_short" in
2:*) acx_cv_type_int16_t=int ;;
*:2) acx_cv_type_int16_t=short ;;
- *) { as_fn_set_status please report a bug
-as_fn_error "no 16-bit type" "$LINENO" 5; }
+ *) as_fn_error "no 16-bit type, please report a bug" "$LINENO" 5
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_int16_t" >&5
$as_echo "$acx_cv_type_int16_t" >&6; }
case "$ac_cv_sizeof_int:$ac_cv_sizeof_long" in
4:*) acx_cv_type_int32_t=int ;;
*:4) acx_cv_type_int32_t=long ;;
- *) { as_fn_set_status please report a bug
-as_fn_error "no 32-bit type" "$LINENO" 5; }
+ *) as_fn_error "no 32-bit type, please report a bug" "$LINENO" 5
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_int32_t" >&5
$as_echo "$acx_cv_type_int32_t" >&6; }
2) acx_cv_type_intptr_t=int16_t ;;
4) acx_cv_type_intptr_t=int32_t ;;
8) acx_cv_type_intptr_t=int64_t ;;
- *) { as_fn_set_status please report a bug
-as_fn_error "no equivalent for intptr_t" "$LINENO" 5; }
+ *) as_fn_error "no equivalent for intptr_t, please report a bug" "$LINENO" 5
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_intptr_t" >&5
$as_echo "$acx_cv_type_intptr_t" >&6; }
CFLAGS="$chktls_save_CFLAGS"
if test "X$thread_CFLAGS" != Xfailed; then
CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS"
- if test "$cross_compiling" = yes; then :
+ if test "$cross_compiling" = yes; then :
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error "cannot run test program while cross compiling
/* end confdefs.h. */
#include <pthread.h>
__thread int a;
- static int *a_in_other_thread;
+ static int *volatile a_in_other_thread;
static void *
thread_func (void *arg)
{
{
pthread_t thread;
void *thread_retval;
- int *a_in_main_thread;
+ int *volatile a_in_main_thread;
+ a_in_main_thread = &a;
if (pthread_create (&thread, (pthread_attr_t *)0,
thread_func, (void *)0))
return 0;
- a_in_main_thread = &a;
if (pthread_join (thread, &thread_retval))
return 0;
return (a_in_other_thread == a_in_main_thread);
if test "${enable_symvers+set}" = set; then :
enableval=$enable_symvers;
case "$enableval" in
- yes|no|gnu) ;;
+ yes|no|gnu|sun) ;;
*) as_fn_error "Unknown argument to enable/disable symvers" "$LINENO" 5 ;;
esac
# don't know enough about $LD to do tricks...
# FIXME The following test is too strict, in theory.
-if test $enable_shared = no ||
- test "x$LD" = x ||
- test x$libgomp_gnu_ld_version = x; then
+if test $enable_shared = no || test "x$LD" = x; then
enable_symvers=no
+else
+ if test $with_gnu_ld = yes ; then
+ enable_symvers=gnu
+ else
+ case ${target_os} in
+ # Sun symbol versioning exists since Solaris 2.5.
+ solaris2.[5-9]* | solaris2.1[0-9]*)
+ enable_symvers=sun ;;
+ *)
+ enable_symvers=no ;;
+ esac
+ fi
+fi
+
+# Check if 'sun' was requested on non-Solaris 2 platforms.
+if test x$enable_symvers = xsun ; then
+ case ${target_os} in
+ solaris2*)
+ # All fine.
+ ;;
+ *)
+ # Unlikely to work.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === You have requested Sun symbol versioning, but" >&5
+$as_echo "$as_me: WARNING: === You have requested Sun symbol versioning, but" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === you are not targetting Solaris 2." >&5
+$as_echo "$as_me: WARNING: === you are not targetting Solaris 2." >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === Symbol versioning will be disabled." >&5
+$as_echo "$as_me: WARNING: === Symbol versioning will be disabled." >&2;}
+ enable_symvers=no
+ ;;
+ esac
fi
# Check to see if libgcc_s exists, indicating that shared libgcc is possible.
# Check to see if unspecified "yes" value can win, given results above.
# Change "yes" into either "no" or a style name.
-if test $enable_symvers = yes; then
- if test $with_gnu_ld = yes &&
- test $libgomp_shared_libgcc = yes;
- then
+if test $enable_symvers != no && test $libgomp_shared_libgcc = yes; then
+ if test $with_gnu_ld = yes; then
if test $libgomp_gnu_ld_version -ge $libgomp_min_gnu_ld_version ; then
enable_symvers=gnu
elif test $libgomp_ld_is_gold = yes ; then
enable_symvers=no
fi
fi
+ elif test $enable_symvers = sun; then
+ : All interesting versions of Sun ld support sun style symbol versioning.
else
# just fail for now
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === You have requested some kind of symbol versioning, but" >&5
LIBGOMP_BUILD_VERSIONED_SHLIB_FALSE=
fi
+ if test $enable_symvers = gnu; then
+ LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE=
+ LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_FALSE='#'
+else
+ LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE='#'
+ LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_FALSE=
+fi
+
+ if test $enable_symvers = sun; then
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE=
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_FALSE='#'
+else
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE='#'
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_FALSE=
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: versioning on shared library symbols is $enable_symvers" >&5
$as_echo "$as_me: versioning on shared library symbols is $enable_symvers" >&6;}
+if test $enable_symvers != no ; then
+ case ${target_os} in
+ # The Solaris 2 runtime linker doesn't support the GNU extension of
+ # binding the same symbol to different versions
+ solaris2*)
+ symvers_renaming=no ;;
+ # Other platforms with GNU symbol versioning (GNU/Linux, more?) do.
+ *)
+
+$as_echo "#define HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT 1" >>confdefs.h
+
+ symvers_renaming=yes ;;
+ esac
+fi
+ if test $symvers_renaming = no; then
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_TRUE=
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_FALSE='#'
+else
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_TRUE='#'
+ LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_FALSE=
+fi
+
+
if test $enable_symvers = gnu; then
int
main ()
{
-int foo, bar; bar = __sync_val_compare_and_swap(&foo, 0, 1);
+int foo; __sync_val_compare_and_swap(&foo, 0, 1);
;
return 0;
}
as_fn_error "conditional \"LIBGOMP_BUILD_VERSIONED_SHLIB\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_TRUE}" && test -z "${LIBGOMP_BUILD_VERSIONED_SHLIB_GNU_FALSE}"; then
+ as_fn_error "conditional \"LIBGOMP_BUILD_VERSIONED_SHLIB_GNU\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_TRUE}" && test -z "${LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_FALSE}"; then
+ as_fn_error "conditional \"LIBGOMP_BUILD_VERSIONED_SHLIB_SUN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_TRUE}" && test -z "${LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2_FALSE}"; then
+ as_fn_error "conditional \"LIBGOMP_BUILD_VERSIONED_SHLIB_SOL2\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${USE_FORTRAN_TRUE}" && test -z "${USE_FORTRAN_FALSE}"; then
as_fn_error "conditional \"USE_FORTRAN\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
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