diff options
Diffstat (limited to 'm4/tls.m4')
| -rw-r--r-- | m4/tls.m4 | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -20,14 +20,14 @@ AC_DEFUN([AX_CHECK_TLS], [ AC_CACHE_CHECK([whether the target supports thread-local storage], ax_cv_have_tls, [ - AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], + AC_RUN_IFELSE([AC_LANG_SOURCE([__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 dnl on Solaris 10). This fails with some older Red Hat releases. chktls_save_LDFLAGS="$LDFLAGS" LDFLAGS="-static $LDFLAGS" - AC_LINK_IFELSE([int main() { return 0; }], - AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }], + AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])], + AC_RUN_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int main() { return a = b; }])], [ax_cv_have_tls=yes], [ax_cv_have_tls=no],[]), [ax_cv_have_tls=yes]) LDFLAGS="$chktls_save_LDFLAGS" @@ -82,7 +82,7 @@ AC_DEFUN([AX_CHECK_TLS], [ [ax_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; }], + AC_LINK_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int main() { return a = b; }])], [chktls_save_LDFLAGS="$LDFLAGS" dnl Shared library options may depend on the host; this check dnl is only known to be needed for GNU/Linux. @@ -94,8 +94,8 @@ AC_DEFUN([AX_CHECK_TLS], [ chktls_save_CFLAGS="$CFLAGS" CFLAGS="-fPIC $CFLAGS" dnl If -shared works, test if TLS works in a shared library. - AC_LINK_IFELSE([int f() { return 0; }], - [AC_LINK_IFELSE([__thread int a; int b; int f() { return a = b; }], + AC_LINK_IFELSE([AC_LANG_SOURCE([int f() { return 0; }])], + [AC_LINK_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int f() { return a = b; }])], [ax_cv_have_tls=yes], [ax_cv_have_tls=no])], [ax_cv_have_tls=yes]) |