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authorDaniel Jacobowitz <dan@debian.org>2006-11-14 03:32:36 +0000
committerDaniel Jacobowitz <dan@debian.org>2006-11-14 03:32:36 +0000
commit416a72926de15544c0d7a6c4260c3374f264ec18 (patch)
tree5f86467f654c5cdbd345c1453c46aa52cfe3fa18 /config
parentf68f36f9eb21a60b58774f0d328d2e9f5fddbbb0 (diff)
downloadgdb-416a72926de15544c0d7a6c4260c3374f264ec18.tar.gz
* tls.m4 (GCC_CHECK_TLS): Fall back to a link test.
Diffstat (limited to 'config')
-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 57c31f485df..fda6f95a2cd 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 b7a07309abe..b66b6d758ce 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,