Attachment 46500 Details for Bug 19681 – [PATCH 5/5] When checking for __sync_sub_and_fetch, don't underquote, to shut up recent autoconf

[patch] [PATCH 5/5] When checking for __sync_sub_and_fetch, don't underquote, to shut up recent autoconf

0005-When-checking-for-__sync_sub_and_fetch-don-t-underqu.patch (text/plain), 1.10 KB, created by Simon McVittie on 2011-05-09 11:12:42 UTC

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Creator: Simon McVittie

Created: 2011-05-09 11:12:42 UTC

Size: 1.10 KB

patch

obsolete

>From 203b0af5636065b6ea2af5f139da57fd8e782373 Mon Sep 17 00:00:00 2001
>From: Simon McVittie <simon.mcvittie@collabora.co.uk>
>Date: Mon, 9 May 2011 18:49:54 +0100
>Subject: [PATCH 5/5] When checking for __sync_sub_and_fetch, don't
> underquote, to shut up recent autoconf
>
>Without the correct number of levels of quoting, autoconf mistakenly
>believes we didn't use AC_LANG_SOURCE where required. (In fact,
>AC_LANG_PROGRAM calls AC_LANG_SOURCE.)
>
>Bug: https://bugs.freedesktop.org/show_bug.cgi?id=19681
>---
> configure.ac |    4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/configure.ac b/configure.ac
>index 6df79fd..7001a87 100644
>--- a/configure.ac
>+++ b/configure.ac
>@@ -441,8 +441,8 @@ fi
> 
> AC_CACHE_CHECK([whether $CC knows __sync_sub_and_fetch()],
>   dbus_cv_sync_sub_and_fetch,
>-  [AC_LINK_IFELSE(
>-     AC_LANG_PROGRAM([], [[int a = 4; int b = __sync_sub_and_fetch(&a, 4); exit(b); ]]),
>+  [AC_LINK_IFELSE([
>+     AC_LANG_PROGRAM([[]], [[int a = 4; int b = __sync_sub_and_fetch(&a, 4); exit(b); ]])],
>      [dbus_cv_sync_sub_and_fetch=yes],
>      [dbus_cv_sync_sub_and_fetch=no])
>   ])
>-- 
>1.7.5.1
>

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