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libglib2: fix gobject with gcc <= 4.7

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Patch under upstream review: https://bugzilla.gnome.org/show_bug.cgi?id=795138

Fixes:
 - http://autobuild.buildroot.net/results/b29a2f868438a2210873ea72f491db63175848be

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Fabrice Fontaine 2018-04-15 10:23:39 +02:00 committed by Thomas Petazzoni
parent 2d64ba803b
commit f9b6ec3b59
1 changed files with 50 additions and 0 deletions
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package/libglib2/0003-gobject-fix-compilation-with-gcc-4.7.patch Normal file
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@ -0,0 +1,50 @@
From a2b27c0d038ad76cc8016999f8788245da97e946 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Tue, 10 Apr 2018 19:18:57 +0200
Subject: [PATCH] gobject: fix compilation with gcc <= 4.7
On gcc 4.7, we got the following error:
i686-nptl-linux-gnu-gcc --version
> i686-nptl-linux-gnu-gcc (crosstool-NG 1.20.0) 4.7.4
> $ echo '#include <glib-object.h>' | i686-nptl-linux-gnu-gcc -x c -I
staging/usr/include/glib-2.0 -I staging/usr/lib/glib-2.0/include -Wall
-Werror -c - -o /tmp/foo.o
> In file included from
staging/usr/include/glib-2.0/gobject/gbinding.h:29:0,
> from staging/usr/include/glib-2.0/glib-object.h:23,
> from <stdin>:1:
> staging/usr/include/glib-2.0/gobject/gobject.h: In function
'g_set_object':
> staging/usr/include/glib-2.0/gobject/gobject.h:725:5: error: value
computed is not used [-Werror=unused-value]
> cc1: all warnings being treated as errors
This error has been added by commit 3fae39a5d742afe73741f5fd7aa24e3ae8182f06
So enable the new g_set_object definition only if gcc >= 4.8
Fixes:
- http://autobuild.buildroot.net/results/b29a2f868438a2210873ea72f491db63175848be
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Upstream-status: https://bugzilla.gnome.org/show_bug.cgi?id=795138
---
gobject/gobject.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gobject/gobject.h b/gobject/gobject.h
index 9830663ce..838046fe0 100644
--- a/gobject/gobject.h
+++ b/gobject/gobject.h
@@ -507,7 +507,7 @@ GLIB_AVAILABLE_IN_ALL
void g_object_remove_weak_pointer (GObject *object,
gpointer *weak_pointer_location);
-#if defined(__GNUC__) && !defined(__cplusplus) && GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_56
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) && !defined(__cplusplus) && GLIB_VERSION_MAX_ALLOWED >= GLIB_VERSION_2_56
/* Make reference APIs type safe with macros */
#define g_object_ref(Obj) ((__typeof__(Obj)) (g_object_ref) (Obj))
#define g_object_ref_sink(Obj) ((__typeof__(Obj)) (g_object_ref_sink) (Obj))
--
2.14.1