From: Daniel P. Berrangé <berra...@redhat.com>
On Alpine, SDL is built with directfb support and this triggers warnings
during QEMU build
In file included from /usr/include/directfb/direct/thread.h:38,
from /usr/include/directfb/direct/debug.h:43,
from /usr/include/directfb/direct/interface.h:36,
from /usr/include/directfb/directfb.h:49,
from /usr/include/SDL2/SDL_syswm.h:80,
from /builds/berrange/qemu/include/ui/sdl2.h:8,
from ../ui/sdl2-gl.c:31:
/usr/include/directfb/direct/os/waitqueue.h:41:25: error: redundant
redeclaration of 'direct_waitqueue_init' [-Werror=redundant-decls]
41 | DirectResult DIRECT_API direct_waitqueue_init ( DirectWaitQueue
*queue );
| ^~~~~~~~~~~~~~~~~~~~~
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
Message-Id: <20211215141949.3512719-5-berra...@redhat.com>
Message-Id: <20220105135009.1584676-5-alex.ben...@linaro.org>
diff --git a/include/ui/sdl2.h b/include/ui/sdl2.h
index 71bcf7ebda..8fb7e08262 100644
--- a/include/ui/sdl2.h
+++ b/include/ui/sdl2.h
@@ -5,7 +5,18 @@
#undef WIN32_LEAN_AND_MEAN
#include <SDL.h>
+
+/* with Alpine / muslc SDL headers pull in directfb headers
+ * which in turn trigger warning about redundant decls for
+ * direct_waitqueue_deinit.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wredundant-decls"
+
#include <SDL_syswm.h>
+
+#pragma GCC diagnostic pop
+
#ifdef CONFIG_SDL_IMAGE
# include <SDL_image.h>
#endif
--
2.30.2
