+2007-02-07 Bruno Haible <bruno@clisp.org>
+
+ PR libgomp/28468
+ * config/tls.m4 (GCC_CHECK_TLS): Also check whether the libc supports
+ TLS via __thread.
+
2007-01-31 Daniel Franke <franke.daniel@gmail.com>
PR libgomp/30546
[dnl If the test case passed with dynamic linking, try again with
dnl static linking, but only if static linking is supported (not
dnl on Solaris 10). This fails with some older Red Hat releases.
- save_LDFLAGS="$LDFLAGS"
+ chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
AC_LINK_IFELSE([int main() { return 0; }],
AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
[have_tls=yes], [have_tls=no],[]),
[have_tls=yes])
- LDFLAGS="$save_LDFLAGS"],
+ LDFLAGS="$chktls_save_LDFLAGS"
+ if test $have_tls = yes; then
+ dnl So far, the binutils and the compiler support TLS.
+ dnl Also check whether the libc supports TLS, i.e. whether a variable
+ dnl with __thread linkage has a different address in different threads.
+ dnl First, find the thread_CFLAGS necessary for linking a program that
+ dnl calls pthread_create.
+ chktls_save_CFLAGS="$CFLAGS"
+ thread_CFLAGS=failed
+ for flag in '' '-pthread' '-lpthread'; do
+ CFLAGS="$flag $chktls_save_CFLAGS"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <pthread.h>
+ void *g(void *d) { return NULL; }],
+ [pthread_t t; pthread_create(&t,NULL,g,NULL);])],
+ [thread_CFLAGS="$flag"])
+ if test "X$thread_CFLAGS" != Xfailed; then
+ break
+ fi
+ done
+ CFLAGS="$chktls_save_CFLAGS"
+ if test "X$thread_CFLAGS" != Xfailed; then
+ CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS"
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <pthread.h>
+ __thread int a;
+ static int *a_in_other_thread;
+ static void *
+ thread_func (void *arg)
+ {
+ a_in_other_thread = &a;
+ return (void *)0;
+ }],
+ [pthread_t thread;
+ void *thread_retval;
+ int *a_in_main_thread;
+ if (pthread_create (&thread, (pthread_attr_t *)0,
+ thread_func, (void *)0))
+ return 0;
+ a_in_main_thread = &a;
+ if (pthread_join (thread, &thread_retval))
+ return 0;
+ return (a_in_other_thread == a_in_main_thread);])],
+ [have_tls=yes], [have_tls=no], [])
+ CFLAGS="$chktls_save_CFLAGS"
+ fi
+ fi],
[have_tls=no],
- [AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
- [have_tls=yes], [have_tls=no])]
+ [dnl This is the cross-compiling case. Assume libc supports TLS if the
+ dnl binutils and the compiler do.
+ AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ [have_tls=yes], [have_tls=no])
+ ]
)])
if test "$enable_tls $have_tls" = "yes yes"; then
AC_DEFINE(HAVE_TLS, 1,
2007-02-07 Jakub Jelinek <jakub@redhat.com>
+ PR libgomp/28486
+ * configure: Regenerate.
+
PR c++/30703
* testsuite/libgomp.c++/pr30703.C: New test.
*) gcc_cv_prog_makeinfo_modern=no;;
esac
+ if test $gcc_cv_prog_makeinfo_modern = no; then
+ MAKEINFO="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing makeinfo"
+ fi
+
fi
echo "$as_me:$LINENO: result: $gcc_cv_prog_makeinfo_modern" >&5
echo "${ECHO_T}$gcc_cv_prog_makeinfo_modern" >&6
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- save_LDFLAGS="$LDFLAGS"
+ chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
cat >conftest.$ac_ext <<_ACEOF
int main() { return 0; }
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$chktls_save_LDFLAGS"
+ if test $have_tls = yes; then
+ chktls_save_CFLAGS="$CFLAGS"
+ thread_CFLAGS=failed
+ for flag in '' '-pthread' '-lpthread'; do
+ CFLAGS="$flag $chktls_save_CFLAGS"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ void *g(void *d) { return NULL; }
+int
+main ()
+{
+pthread_t t; pthread_create(&t,NULL,g,NULL);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$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 $ac_status); }; }; then
+ thread_CFLAGS="$flag"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test "X$thread_CFLAGS" != Xfailed; then
+ break
+ fi
+ done
+ CFLAGS="$chktls_save_CFLAGS"
+ if test "X$thread_CFLAGS" != Xfailed; then
+ CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS"
+ if test "$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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ __thread int a;
+ static int *a_in_other_thread;
+ static void *
+ thread_func (void *arg)
+ {
+ a_in_other_thread = &a;
+ return (void *)0;
+ }
+int
+main ()
+{
+pthread_t thread;
+ void *thread_retval;
+ int *a_in_main_thread;
+ 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);
+ ;
+ return 0;
+}
+_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
+ CFLAGS="$chktls_save_CFLAGS"
+ fi
+ fi
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
+2007-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR libgomp/28468
+ * configure: Regenerate.
+
2007-02-06 Andrew Haley <aph@redhat.com>
* scripts/makemake.tcl (emit_bc_rule): Set the source filename.
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- save_LDFLAGS="$LDFLAGS"
+ chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$chktls_save_LDFLAGS"
+ if test $have_tls = yes; then
+ chktls_save_CFLAGS="$CFLAGS"
+ thread_CFLAGS=failed
+ for flag in '' '-pthread' '-lpthread'; do
+ CFLAGS="$flag $chktls_save_CFLAGS"
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ void *g(void *d) { return NULL; }
+int
+main ()
+{
+pthread_t t; pthread_create(&t,NULL,g,NULL);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$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 $ac_status); }; }; then
+ thread_CFLAGS="$flag"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test "X$thread_CFLAGS" != Xfailed; then
+ break
+ fi
+ done
+ CFLAGS="$chktls_save_CFLAGS"
+ if test "X$thread_CFLAGS" != Xfailed; then
+ CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS"
+ if test "$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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ __thread int a;
+ static int *a_in_other_thread;
+ static void *
+ thread_func (void *arg)
+ {
+ a_in_other_thread = &a;
+ return (void *)0;
+ }
+int
+main ()
+{
+pthread_t thread;
+ void *thread_retval;
+ int *a_in_main_thread;
+ 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);
+ ;
+ return 0;
+}
+_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
+ CFLAGS="$chktls_save_CFLAGS"
+ fi
+ fi
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
+2007-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR libgomp/28468
+ * configure: Regenerate.
+
2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
* configure: Regenerate.
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- save_LDFLAGS="$LDFLAGS"
+ chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
cat >conftest.$ac_ext <<_ACEOF
int main() { return 0; }
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$chktls_save_LDFLAGS"
+ if test $have_tls = yes; then
+ chktls_save_CFLAGS="$CFLAGS"
+ thread_CFLAGS=failed
+ for flag in '' '-pthread' '-lpthread'; do
+ CFLAGS="$flag $chktls_save_CFLAGS"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ void *g(void *d) { return NULL; }
+int
+main ()
+{
+pthread_t t; pthread_create(&t,NULL,g,NULL);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$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 $ac_status); }; }; then
+ thread_CFLAGS="$flag"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test "X$thread_CFLAGS" != Xfailed; then
+ break
+ fi
+ done
+ CFLAGS="$chktls_save_CFLAGS"
+ if test "X$thread_CFLAGS" != Xfailed; then
+ CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS"
+ if test "$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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ __thread int a;
+ static int *a_in_other_thread;
+ static void *
+ thread_func (void *arg)
+ {
+ a_in_other_thread = &a;
+ return (void *)0;
+ }
+int
+main ()
+{
+pthread_t thread;
+ void *thread_retval;
+ int *a_in_main_thread;
+ 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);
+ ;
+ return 0;
+}
+_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
+ CFLAGS="$chktls_save_CFLAGS"
+ fi
+ fi
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
+2007-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR libgomp/28468
+ * configure: Regenerate.
+
2007-02-07 Hans-Peter Nilsson <hp@axis.com>
PR testsuite/28870
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- save_LDFLAGS="$LDFLAGS"
+ chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$chktls_save_LDFLAGS"
+ if test $have_tls = yes; then
+ chktls_save_CFLAGS="$CFLAGS"
+ thread_CFLAGS=failed
+ for flag in '' '-pthread' '-lpthread'; do
+ CFLAGS="$flag $chktls_save_CFLAGS"
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ void *g(void *d) { return NULL; }
+int
+main ()
+{
+pthread_t t; pthread_create(&t,NULL,g,NULL);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$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 $ac_status); }; }; then
+ thread_CFLAGS="$flag"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test "X$thread_CFLAGS" != Xfailed; then
+ break
+ fi
+ done
+ CFLAGS="$chktls_save_CFLAGS"
+ if test "X$thread_CFLAGS" != Xfailed; then
+ CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS"
+ if test "$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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <pthread.h>
+ __thread int a;
+ static int *a_in_other_thread;
+ static void *
+ thread_func (void *arg)
+ {
+ a_in_other_thread = &a;
+ return (void *)0;
+ }
+int
+main ()
+{
+pthread_t thread;
+ void *thread_retval;
+ int *a_in_main_thread;
+ 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);
+ ;
+ return 0;
+}
+_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
+ CFLAGS="$chktls_save_CFLAGS"
+ fi
+ fi
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
projects / fpga / lx-cpu1 / gcc-tumbl.git / commitdiff