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-rw-r--r--config/ChangeLog4
-rw-r--r--config/tls.m43
2 files changed, 6 insertions, 1 deletions
diff --git a/config/ChangeLog b/config/ChangeLog
index 57c31f4..fda6f95 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2006-11-13 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * tls.m4 (GCC_CHECK_TLS): Fall back to a link test.
+
2006-10-14 Geoffrey Keating <geoffk@apple.com>
* multi.m4: New file, from automake version 2 branch.
diff --git a/config/tls.m4 b/config/tls.m4
index b7a0730..b66b6d7 100644
--- a/config/tls.m4
+++ b/config/tls.m4
@@ -13,7 +13,8 @@ AC_DEFUN([GCC_CHECK_TLS], [
[have_tls=yes], [have_tls=no], [])
LDFLAGS="$save_LDFLAGS"],
[have_tls=no],
- [AC_COMPILE_IFELSE([__thread int foo;], [have_tls=yes], [have_tls=no])]
+ [AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ [have_tls=yes], [have_tls=no])]
)])
if test "$enable_tls $have_tls" = "yes yes"; then
AC_DEFINE(HAVE_TLS, 1,