From 8c3f96b082b101904a56c77bc69d01b4bf9465fd Mon Sep 17 00:00:00 2001
From: Peter Breitenlohner <peb@mppmu.mpg.de>
Date: Fri, 14 Nov 2008 22:59:28 +0100
Subject: [PATCH] define XORG_CWARNFLAGS macro

---
 xorg-macros.m4.in |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in
index 5a1192b..2ea2e6f 100644
--- a/xorg-macros.m4.in
+++ b/xorg-macros.m4.in
@@ -425,3 +425,24 @@ AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno])
 
 ]) # XORG_LINT_LIBRARY
 
+# XORG_CWARNFLAGS
+# ---------------
+# Minimum version: 1.2.0
+#
+# Defines CWARNFLAGS to enable C compiler warnings.
+#
+AC_DEFUN([XORG_CWARNFLAGS], [
+AC_REQUIRE([AC_PROG_CC])
+if  test "x$GCC" = xyes ; then
+    CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \
+-Wmissing-declarations -Wnested-externs -fno-strict-aliasing \
+-Wold-style-definition -Wbad-function-cast -Wdeclaration-after-statement"
+else
+    AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+    if test "x$SUNCC" = "xyes"; then
+	CWARNFLAGS="-v"
+    fi
+fi
+AC_SUBST(CWARNFLAGS)
+]) # XORG_CWARNFLAGS
+
-- 
1.6.0.3