From 9b9be67c717b0e820d0e0d7c2f41a05b077b4472 Mon Sep 17 00:00:00 2001
From: Simon Josefsson <simon@josefsson.org>
Date: Thu, 11 Dec 2008 10:26:26 +0100
Subject: [PATCH] m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Add more warnings.

---
 ChangeLog          |  4 ++++
 m4/manywarnings.m4 | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 8677895ef..66a5941cb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-12-11  Simon Josefsson  <simon@josefsson.org>
+
+	* m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Add more warnings.
+
 2008-12-10  Jim Meyering  <meyering@redhat.com>
 
 	gl_ASSERT: don't say assertions are disabled when they're not
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index b0c413e84..93b131561 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -90,5 +90,15 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
   ; do
     gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
   done
+ # The following are not documented in the manual but are included in
+ # output from gcc --help=warnings.
+ for gl_manywarn_item in \
+   -Wattributes \
+   -Wcoverage-mismatch \
+   -Wmultichar \
+   -Wunused-macros \
+  ; do
+    gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item"
+  done
   $1=$gl_manywarn_set
 ])
-- 
2.11.0