When checking for __sync_sub_and_fetch, don't underquote, to shut up recent autoconf
authorSimon McVittie <simon.mcvittie@collabora.co.uk>
Mon, 9 May 2011 17:49:54 +0000 (18:49 +0100)
committerSimon McVittie <simon.mcvittie@collabora.co.uk>
Wed, 25 May 2011 15:57:19 +0000 (16:57 +0100)
commitdfb6affd68df1df8f5890e0d809fe7ac02a4a02c
tree5529d4dd30e78f5aadbec0051c8f2a256f063d71
parent5a665203001d30b3167089fb06af0f1c4a8e1885
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
Reviewed-by: Colin Walters <walters@verbum.org>
configure.ac