From 78e075d40b285015c0a316b6c0c039a516a6117e Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Wed, 7 Feb 2007 14:35:17 +0100 Subject: [PATCH] [multiple changes] 2007-02-07 Bruno Haible config/ PR libgomp/28468 * config/tls.m4 (GCC_CHECK_TLS): Also check whether the libc supports TLS via __thread. 2007-02-07 Jakub Jelinek {libgomp,libstdc++-v3,libmudflap,libjava}/ PR libgomp/28468 * configure: Regenerate. From-SVN: r121689 --- config/ChangeLog | 6 ++ config/tls.m4 | 59 +++++++++++++++++-- libgomp/ChangeLog | 3 + libgomp/configure | 130 +++++++++++++++++++++++++++++++++++++++- libjava/ChangeLog | 5 ++ libjava/configure | 131 ++++++++++++++++++++++++++++++++++++++++- libmudflap/ChangeLog | 5 ++ libmudflap/configure | 126 ++++++++++++++++++++++++++++++++++++++- libstdc++-v3/ChangeLog | 5 ++ libstdc++-v3/configure | 131 ++++++++++++++++++++++++++++++++++++++++- 10 files changed, 589 insertions(+), 12 deletions(-) diff --git a/config/ChangeLog b/config/ChangeLog index 0b1dadae2fe6..c4f5ded49a10 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,9 @@ +2007-02-07 Bruno Haible + + PR libgomp/28468 + * config/tls.m4 (GCC_CHECK_TLS): Also check whether the libc supports + TLS via __thread. + 2007-01-31 Daniel Franke PR libgomp/30546 diff --git a/config/tls.m4 b/config/tls.m4 index 41f11ab3ea5f..c8f3ff0a3733 100644 --- a/config/tls.m4 +++ b/config/tls.m4 @@ -7,16 +7,67 @@ AC_DEFUN([GCC_CHECK_TLS], [ [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 $chktls_save_CFLAGS" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [#include + void *g(void *d) { return NULL; }], + [pthread_t t; pthread_create(&t,NULL,g,NULL);])], + [thread_CFLAGS="$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 $chktls_save_CFLAGS" + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [#include + __thread int a; + static int *a_in_other_thread; + static void * + thread_func (void *arg) + { + a_in_other_thread = &a; + return (void *)0; + }], + [pthread_t thread; + void *thread_retval; + int *a_in_main_thread; + if (pthread_create (&thread, (pthread_attr_t *)0, + thread_func, (void *)0)) + return 0; + a_in_main_thread = &a; + if (pthread_join (thread, &thread_retval)) + return 0; + return (a_in_other_thread == a_in_main_thread);])], + [have_tls=yes], [have_tls=no], []) + CFLAGS="$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, diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog index 300e733f54e6..a47f2caa1b31 100644 --- a/libgomp/ChangeLog +++ b/libgomp/ChangeLog @@ -1,5 +1,8 @@ 2007-02-07 Jakub Jelinek + PR libgomp/28486 + * configure: Regenerate. + PR c++/30703 * testsuite/libgomp.c++/pr30703.C: New test. diff --git a/libgomp/configure b/libgomp/configure index fe7517bbafd2..68d4c3842cf5 100755 --- a/libgomp/configure +++ b/libgomp/configure @@ -3530,6 +3530,10 @@ else *) 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}$gcc_cv_prog_makeinfo_modern" >&6 @@ -8999,7 +9003,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 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; } @@ -9066,7 +9070,129 @@ have_tls=yes 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 + 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 + __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 diff --git a/libjava/ChangeLog b/libjava/ChangeLog index fbd15bcb7b4a..cc6a25fcd7d7 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,8 @@ +2007-02-07 Jakub Jelinek + + PR libgomp/28468 + * configure: Regenerate. + 2007-02-06 Andrew Haley * scripts/makemake.tcl (emit_bc_rule): Set the source filename. diff --git a/libjava/configure b/libjava/configure index c879e57dd003..fa86960b3481 100755 --- a/libjava/configure +++ b/libjava/configure @@ -16870,7 +16870,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_status=$? 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 @@ -16942,7 +16942,134 @@ have_tls=yes 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 + 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 + __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 diff --git a/libmudflap/ChangeLog b/libmudflap/ChangeLog index 1b284719beec..80096e8c8595 100644 --- a/libmudflap/ChangeLog +++ b/libmudflap/ChangeLog @@ -1,3 +1,8 @@ +2007-02-07 Jakub Jelinek + + PR libgomp/28468 + * configure: Regenerate. + 2006-12-04 Eric Botcazou * configure: Regenerate. diff --git a/libmudflap/configure b/libmudflap/configure index 8e9ca412913a..e1019e7a9398 100755 --- a/libmudflap/configure +++ b/libmudflap/configure @@ -7183,7 +7183,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_status=$? 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; } @@ -7250,7 +7250,129 @@ have_tls=yes 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 + 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 + __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 diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 6fe14ef77631..1610a6079eb5 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2007-02-07 Jakub Jelinek + + PR libgomp/28468 + * configure: Regenerate. + 2007-02-07 Hans-Peter Nilsson PR testsuite/28870 diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 6fbe55f9309f..2c57d447f4d5 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -31620,7 +31620,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_status=$? 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 @@ -31692,7 +31692,134 @@ have_tls=yes 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 + 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 + __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