From 60e1758f60c2be0682dcbac7ea270b90e78ec526 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Tue, 25 Apr 2006 13:58:25 -0700
Subject: [PATCH] re PR libgomp/25865 (libgomp incorrectly detects support for
TLS)
PR libgomp/25865
* configure.ac: Use GCC_CHECK_TLS.
* acinclude.m4 (LIBGOMP_CHECK_TLS): Remove.
* Makefile.in, aclocal.m4, configure: Regenerate.
From-SVN: r113256
---
libgomp/ChangeLog | 7 +++
libgomp/Makefile.in | 8 ++--
libgomp/acinclude.m4 | 12 ------
libgomp/aclocal.m4 | 6 ++-
libgomp/configure | 80 ++++++++++++++++++++++++++++-------
libgomp/configure.ac | 2 +-
libgomp/testsuite/Makefile.in | 6 ++-
7 files changed, 85 insertions(+), 36 deletions(-)
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 2f8fe74f2d5d..41b3a09536fe 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,10 @@
+2006-04-25 Richard Henderson <rth@redhat.com>
+
+ PR libgomp/25865
+ * configure.ac: Use GCC_CHECK_TLS.
+ * acinclude.m4 (LIBGOMP_CHECK_TLS): Remove.
+ * Makefile.in, aclocal.m4, configure: Regenerate.
+
2006-04-10 Matthias Klose <doko@debian.org>
* testsuite/lib/libgomp.exp (libgomp_init): Recognize multilib
diff --git a/libgomp/Makefile.in b/libgomp/Makefile.in
index 3ddc85445d27..31faff066e17 100644
--- a/libgomp/Makefile.in
+++ b/libgomp/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.9.5 from Makefile.am.
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
@@ -15,8 +15,6 @@
@SET_MAKE@
-SOURCES = $(libgomp_la_SOURCES)
-
srcdir = @srcdir@
top_srcdir = @top_srcdir@
pkgdatadir = $(datadir)/@PACKAGE@
@@ -51,8 +49,10 @@ DIST_COMMON = $(am__configure_deps) $(srcdir)/../config.guess \
subdir = .
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
+ $(top_srcdir)/../config/enable.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
- $(top_srcdir)/../config/stdint.m4 $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/../config/stdint.m4 \
+ $(top_srcdir)/../config/tls.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
diff --git a/libgomp/acinclude.m4 b/libgomp/acinclude.m4
index b66cc9fcce29..b7428cfe35da 100644
--- a/libgomp/acinclude.m4
+++ b/libgomp/acinclude.m4
@@ -1,15 +1,3 @@
-dnl Check whether the target supports TLS.
-AC_DEFUN([LIBGOMP_CHECK_TLS], [
- LIBGOMP_ENABLE(tls, yes, [Use thread-local storage])
- AC_CACHE_CHECK([whether the target supports thread-local storage],
- have_tls, [
- AC_TRY_COMPILE([__thread int foo;],
- [], have_tls=$enable_tls, have_tls=no)])
- if test $have_tls = yes; then
- AC_DEFINE(HAVE_TLS, 1,
- [Define to 1 if the target supports thread-local storage.])
- fi])
-
dnl ----------------------------------------------------------------------
dnl This whole bit snagged from libgfortran.
diff --git a/libgomp/aclocal.m4 b/libgomp/aclocal.m4
index eaada1f3d5d9..fb9be461e87b 100644
--- a/libgomp/aclocal.m4
+++ b/libgomp/aclocal.m4
@@ -1,4 +1,4 @@
-# generated automatically by aclocal 1.9.5 -*- Autoconf -*-
+# generated automatically by aclocal 1.9.6 -*- Autoconf -*-
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
# 2005 Free Software Foundation, Inc.
@@ -28,7 +28,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"])
# Call AM_AUTOMAKE_VERSION so it can be traced.
# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
- [AM_AUTOMAKE_VERSION([1.9.5])])
+ [AM_AUTOMAKE_VERSION([1.9.6])])
# AM_AUX_DIR_EXPAND -*- Autoconf -*-
@@ -915,6 +915,8 @@ AC_SUBST([am__untar])
]) # _AM_PROG_TAR
m4_include([../config/depstand.m4])
+m4_include([../config/enable.m4])
m4_include([../config/lead-dot.m4])
m4_include([../config/stdint.m4])
+m4_include([../config/tls.m4])
m4_include([acinclude.m4])
diff --git a/libgomp/configure b/libgomp/configure
index 2d9482677f2d..5d906f651311 100755
--- a/libgomp/configure
+++ b/libgomp/configure
@@ -8611,20 +8611,9 @@ if test "${have_tls+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
+ if test "$cross_compiling" = yes; then
+ cat >conftest.$ac_ext <<_ACEOF
__thread int foo;
-int
-main ()
-{
-
- ;
- return 0;
-}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
@@ -8648,7 +8637,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- have_tls=$enable_tls
+ have_tls=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
@@ -8656,10 +8645,71 @@ sed 's/^/| /' conftest.$ac_ext >&5
have_tls=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+else
+ cat >conftest.$ac_ext <<_ACEOF
+__thread int a; int b; int main() { return a = b; }
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="-static $LDFLAGS"
+ if test "$cross_compiling" = yes; then
+ { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+else
+ cat >conftest.$ac_ext <<_ACEOF
+__thread int a; int b; int main() { return a = b; }
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ have_tls=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+have_tls=no
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+ LDFLAGS="$save_LDFLAGS"
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+have_tls=no
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
fi
echo "$as_me:$LINENO: result: $have_tls" >&5
echo "${ECHO_T}$have_tls" >&6
- if test $have_tls = yes; then
+ if test "$enable_tls $have_tls" = "yes yes"; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_TLS 1
diff --git a/libgomp/configure.ac b/libgomp/configure.ac
index 08f67243dcd9..606a0fd6ba62 100644
--- a/libgomp/configure.ac
+++ b/libgomp/configure.ac
@@ -183,7 +183,7 @@ if test $ac_cv_func_clock_gettime = no; then
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
diff --git a/libgomp/testsuite/Makefile.in b/libgomp/testsuite/Makefile.in
index 743bb056ddbc..01227b605af6 100644
--- a/libgomp/testsuite/Makefile.in
+++ b/libgomp/testsuite/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.9.5 from Makefile.am.
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
@@ -40,8 +40,10 @@ subdir = testsuite
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
+ $(top_srcdir)/../config/enable.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
- $(top_srcdir)/../config/stdint.m4 $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/../config/stdint.m4 \
+ $(top_srcdir)/../config/tls.m4 $(top_srcdir)/acinclude.m4 \
$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
--
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