summaryrefslogtreecommitdiff
path: root/recipes/util-linux-ng/util-linux-ng-2.16
diff options
context:
space:
mode:
authorHenning Heinold <heinold@inf.fu-berlin.de>2009-07-30 02:37:25 +0200
committerHenning Heinold <heinold@inf.fu-berlin.de>2009-07-30 02:37:25 +0200
commitd894b5a78eeb5509fe817808234727b86660d430 (patch)
treeff419e36ca8258a3041e4f81ed5e7857aac0a039 /recipes/util-linux-ng/util-linux-ng-2.16
parent40cf96ddd235e78d7ce54fe81f9a86e486ba9b6c (diff)
util-linux-ng: fix tls detection
* breaks msvc support for now * bump PR
Diffstat (limited to 'recipes/util-linux-ng/util-linux-ng-2.16')
-rw-r--r--recipes/util-linux-ng/util-linux-ng-2.16/tls.patch70
1 files changed, 70 insertions, 0 deletions
diff --git a/recipes/util-linux-ng/util-linux-ng-2.16/tls.patch b/recipes/util-linux-ng/util-linux-ng-2.16/tls.patch
new file mode 100644
index 0000000000..bdb29cae1f
--- /dev/null
+++ b/recipes/util-linux-ng/util-linux-ng-2.16/tls.patch
@@ -0,0 +1,70 @@
+Index: util-linux-ng-2.16/m4/tls.m4
+===================================================================
+--- util-linux-ng-2.16.orig/m4/tls.m4 2009-07-04 01:20:03.000000000 +0200
++++ util-linux-ng-2.16/m4/tls.m4 2009-07-30 01:57:30.151697033 +0200
+@@ -18,31 +18,26 @@
+ # version as well.
+ #
+ AC_DEFUN([AX_TLS], [
+- AC_MSG_CHECKING(for thread local storage (TLS) class)
+- AC_CACHE_VAL(ac_cv_tls, [
+- ax_tls_keywords="__thread __declspec(thread) none"
+- for ax_tls_keyword in $ax_tls_keywords; do
+- case $ax_tls_keyword in
+- none) ac_cv_tls=none ; break ;;
+- *)
+- AC_TRY_COMPILE(
+- [#include <stdlib.h>
+- static void
+- foo(void) {
+- static ] $ax_tls_keyword [ int bar;
+- exit(1);
+- }],
+- [],
+- [ac_cv_tls=$ax_tls_keyword ; break],
+- ac_cv_tls=none
+- )
+- esac
+- done
+-])
++ AC_CACHE_CHECK([for thread local storage (TLS) class],
++ ac_cv_tls,
++ [AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
++ [chktls_save_LDFLAGS="$LDFLAGS"
++ LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS"
++ chktls_save_CFLAGS="$CFLAGS"
++ CFLAGS="-fPIC $CFLAGS"
++ dnl If -shared works, test if TLS works in a shared library.
++ AC_LINK_IFELSE([int f() { return 0; }],
++ AC_LINK_IFELSE([__thread int a; int b; int f() { return a = b; }],
++ [ac_cv_tls=yes],
++ [ac_cv_tls=no]),
++ [ac_cv_tls=yes])
++ CFLAGS="$chktls_save_CFLAGS"
++ LDFLAGS="$chktls_save_LDFLAGS"], [ac_cv_tls=no])
++ ])
+
+- if test "$ac_cv_tls" != "none"; then
+- dnl AC_DEFINE([TLS], [], [If the compiler supports a TLS storage class define it to that here])
+- AC_DEFINE_UNQUOTED([TLS], $ac_cv_tls, [If the compiler supports a TLS storage class define it to that here])
+- fi
+- AC_MSG_RESULT($ac_cv_tls)
++ AS_IF([test "x$ac_cv_tls" = "xyes"],
++ [AC_DEFINE([TLS], 1,
++ [Define this if the compiler supports __thread for Thread-Local Storage])
++ $1],
++ [$2])
+ ])
+Index: util-linux-ng-2.16/shlibs/uuid/src/gen_uuid.c
+===================================================================
+--- util-linux-ng-2.16.orig/shlibs/uuid/src/gen_uuid.c 2009-07-30 02:31:48.518159459 +0200
++++ util-linux-ng-2.16/shlibs/uuid/src/gen_uuid.c 2009-07-30 02:32:04.867871183 +0200
+@@ -99,7 +99,7 @@
+ #endif
+
+ #ifdef TLS
+-#define THREAD_LOCAL static TLS
++#define THREAD_LOCAL static __thread
+ #else
+ #define THREAD_LOCAL static
+ #endif