From 42f39c547b5a377cd80f749e0ec4a3ebd9664341 Mon Sep 17 00:00:00 2001
From: Ralph Giles <giles@mozilla.com>
Date: Mon, 11 Mar 2013 10:59:13 -0700
Subject: [PATCH] Add -Wdeclaration-after-statement.

We keep accidentally adding these which break the -pedantic build,
so complain about it in the normal build.

Also de-duplicate the warning list.
---
 configure.ac | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 4af60283..55c63156 100644
--- a/configure.ac
+++ b/configure.ac
@@ -224,12 +224,13 @@ AC_SUBST(SYMBOL_VISIBILITY)
 
 CFLAGS="$CFLAGS -W"
 
+warn_CFLAGS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wdeclaration-after-statement"
 saved_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes"
-AC_MSG_CHECKING([if ${CC} supports -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes])
+CFLAGS="$CFLAGS $warn_CFLAGS"
+AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
       [ AC_MSG_RESULT([yes])
-        EXTRA_WARNS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes" ],
+        EXTRA_WARNS=$warn_CFLAGS ],
         AC_MSG_RESULT([no]))
 CFLAGS="$saved_CFLAGS $EXTRA_WARNS"