diff options
Diffstat (limited to 'config/tls.m4')
| -rw-r--r-- | config/tls.m4 | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/config/tls.m4 b/config/tls.m4 index 69cf6d4f9..b6c4c4a6a 100644 --- a/config/tls.m4 +++ b/config/tls.m4 @@ -2,7 +2,7 @@ dnl Check whether the target supports TLS. AC_DEFUN([GCC_CHECK_TLS], [ GCC_ENABLE(tls, yes, [], [Use thread-local storage]) AC_CACHE_CHECK([whether the target supports thread-local storage], - have_tls, [ + gcc_cv_have_tls, [ AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], [dnl If the test case passed with dynamic linking, try again with dnl static linking, but only if static linking is supported (not @@ -11,10 +11,10 @@ AC_DEFUN([GCC_CHECK_TLS], [ LDFLAGS="-static $LDFLAGS" AC_LINK_IFELSE([int main() { return 0; }], AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], - [have_tls=yes], [have_tls=no],[]), - [have_tls=yes]) + [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no],[]), + [gcc_cv_have_tls=yes]) LDFLAGS="$chktls_save_LDFLAGS" - if test $have_tls = yes; then + if test $gcc_cv_have_tls = yes; then dnl So far, the binutils and the compiler support TLS. dnl Also check whether the libc supports TLS, i.e. whether a variable dnl with __thread linkage has a different address in different threads. @@ -58,18 +58,18 @@ AC_DEFUN([GCC_CHECK_TLS], [ if (pthread_join (thread, &thread_retval)) return 0; return (a_in_other_thread == a_in_main_thread);])], - [have_tls=yes], [have_tls=no], []) + [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no], []) CFLAGS="$chktls_save_CFLAGS" fi fi], - [have_tls=no], + [gcc_cv_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]) + [gcc_cv_have_tls=yes], [gcc_cv_have_tls=no]) ] )]) - if test "$enable_tls $have_tls" = "yes yes"; then + if test "$enable_tls $gcc_cv_have_tls" = "yes yes"; then AC_DEFINE(HAVE_TLS, 1, [Define to 1 if the target supports thread-local storage.]) fi]) @@ -78,11 +78,11 @@ dnl Check whether the target assembler supports TLS. AC_DEFUN([GCC_CHECK_CC_TLS], [ GCC_ENABLE(tls, yes, [], [Use thread-local storage]) AC_CACHE_CHECK([whether the target asssembler upports thread-local storage], - have_cc_tls, [ + gcc_cv_have_cc_tls, [ AC_COMPILE_IFELSE([__thread int a; int b; int main() { return a = b; }], - [have_cc_tls=yes], [have_cc_tls=no])] + [gcc_cv_have_cc_tls=yes], [gcc_cv_have_cc_tls=no])] )]) - if test "$enable_tls $have_cc_tls" = "yes yes"; then + if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then AC_DEFINE(HAVE_CC_TLS, 1, [Define to 1 if the target assembler supports thread-local storage.]) fi]) |