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[PATCH] document ac_cv_prog_cc_c11

From: Adrian Bunk
Subject: [PATCH] document ac_cv_prog_cc_c11
Date: Tue, 25 Sep 2012 15:25:06 +0300

* doc/autoconf.texi: document ac_cv_prog_cc_c11
 doc/autoconf.texi |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 49f985d..2b4e614 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -7265,7 +7265,9 @@ accepting Standard C is found.
 Test for C11 support by checking
 for @code{_Alignas}, @code{_Alignof}, @code{_Noreturn},
 @code{_Static_assert}, UTF-8 string literals, duplicate @code{typedef}s,
-and anonymous structures and unions.
+and anonymous structures and unions.  You can check whether the C compiler
+has been set to accept C11; if not, the shell variable
address@hidden is set to @samp{no}.
 Test for C99 support by checking
 for @code{_Bool}, @code{//} comments, flexible array members,

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