From b96f7bc26c92c400435144cd0f751820e67af33b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Wed, 6 Feb 2013 19:28:00 +0100
Subject: [PATCH spice-gtk 3/3] build-sys: don't use -Wstrict-prototypes with
 Gtk+ 2.0

---
 configure.ac                 | 13 ++++++++++++-
 m4/spice-compile-warnings.m4 | 16 +++++++---------
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2a5c72c..f02552f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -627,7 +627,18 @@ fi
 dnl ===========================================================================
 dnl check compiler flags
 
-SPICE_COMPILE_WARNINGS
+# We want to enable these, but need to sort out the
+# decl mess with  gtk/generated_*.c
+dontwarn="-Wmissing-prototypes -Wmissing-declarations"
+
+# We want to enable these, but Gtk+2.0 has a bad decl
+# gtk-2.0/gtk/gtkitemfactory.h:47:1: error: function declaration
+# isn't a prototype.
+if test "$with_gtk" = "2.0"; then
+  dontwarn="$dontwarn -Wstrict-prototypes"
+fi
+
+SPICE_COMPILE_WARNINGS([$dontwarn])
 
 SPICE_CFLAGS="$SPICE_CFLAGS $WARN_CFLAGS"
 
diff --git a/m4/spice-compile-warnings.m4 b/m4/spice-compile-warnings.m4
index 3c7e0d3..31fc0fc 100644
--- a/m4/spice-compile-warnings.m4
+++ b/m4/spice-compile-warnings.m4
@@ -1,7 +1,8 @@
-dnl
-dnl Enable all known GCC compiler warnings, except for those
-dnl we can't yet cope with
-dnl
+# SPICE_COMPILE_WARNINGS(DONTWARN)
+# --------------------------------------------------------
+# Enable all known GCC compiler warnings, except for those
+# we can't yet cope with
+#
 AC_DEFUN([SPICE_COMPILE_WARNINGS],[
     dnl ******************************
     dnl More compiler warnings
@@ -19,6 +20,8 @@ AC_DEFUN([SPICE_COMPILE_WARNINGS],[
 
     # List of warnings that are not relevant / wanted
 
+    dontwarn=$1
+
     # Don't care about C++ compiler compat
     dontwarn="$dontwarn -Wc++-compat"
     dontwarn="$dontwarn -Wabi"
@@ -59,11 +62,6 @@ AC_DEFUN([SPICE_COMPILE_WARNINGS],[
     dontwarn="$dontwarn -Wbad-function-cast"
     dontwarn="$dontwarn -Wshadow"
 
-    # We want to enable thse, but need to sort out the
-    # decl mess with  gtk/generated_*.c
-    dontwarn="$dontwarn -Wmissing-prototypes"
-    dontwarn="$dontwarn -Wmissing-declarations"
-
     # Get all possible GCC warnings
     gl_MANYWARN_ALL_GCC([maybewarn])
 
-- 
1.8.1.1.439.g50a6b54