Fix build warnings from image_loader

Fix the following build warnings, and the build failures due to the
warning fixes:

  CC     libshared_cairo_la-image-loader.lo
image-loader.c:369:1: warning: no previous prototype for 'load_image'

  CC     x11_backend_la-compositor-x11.lo
compositor-x11.c: In function 'x11_output_set_icon':
compositor-x11.c:396:2: warning: implicit declaration of function 'load_image'
compositor-x11.c:396:8: warning: assignment makes pointer from integer without a cast

  CC     wayland_backend_la-compositor-wayland.lo
compositor-wayland.c: In function 'create_border':
compositor-wayland.c:97:2: warning: implicit declaration of function 'load_image'
compositor-wayland.c:97:8: warning: assignment makes pointer from integer without a cast

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>

shared/cairo-util.h

@@ -23,6 +23,7 @@
 #ifndef _CAIRO_UTIL_H
 #define _CAIRO_UTIL_H
 
+#include <cairo.h>
 #include <pixman.h>
 
 void

shared/image-loader.c

@@ -29,7 +29,7 @@
 #include <png.h>
 #include <pixman.h>
 
-#include "config-parser.h"
+#include "cairo-util.h"
 
 #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
 

src/Makefile.am

@@ -96,6 +96,8 @@ x11_backend_la_LIBADD = $(COMPOSITOR_LIBS) $(X11_COMPOSITOR_LIBS) \
 	../shared/libshared-cairo.la
 x11_backend_la_CFLAGS =				\
 	$(COMPOSITOR_CFLAGS)			\
+	$(PIXMAN_CFLAGS)			\
+	$(CAIRO_CFLAGS)				\
 	$(X11_COMPOSITOR_CFLAGS)		\
 	$(GCC_CFLAGS)
 x11_backend_la_SOURCES = compositor-x11.c
@@ -129,6 +131,8 @@ wayland_backend_la_LIBADD = $(COMPOSITOR_LIBS) $(WAYLAND_COMPOSITOR_LIBS) \
 	../shared/libshared-cairo.la
 wayland_backend_la_CFLAGS =			\
 	$(COMPOSITOR_CFLAGS)			\
+	$(PIXMAN_CFLAGS)			\
+	$(CAIRO_CFLAGS)				\
 	$(WAYLAND_COMPOSITOR_CFLAGS)		\
 	$(GCC_CFLAGS)
 wayland_backend_la_SOURCES = compositor-wayland.c

src/compositor-wayland.c

@@ -38,6 +38,7 @@
 
 #include "compositor.h"
 #include "gl-renderer.h"
+#include "../shared/cairo-util.h"
 
 struct wayland_compositor {
 	struct weston_compositor	 base;

src/compositor-x11.c

@@ -48,6 +48,7 @@
 #include "compositor.h"
 #include "gl-renderer.h"
 #include "../shared/config-parser.h"
+#include "../shared/cairo-util.h"
 
 #define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
 

src/xwayland/Makefile.am

@@ -12,7 +12,11 @@ xwayland_la_LDFLAGS = -module -avoid-version
 xwayland_la_LIBADD =			\
 	$(XWAYLAND_LIBS)		\
 	$(top_builddir)/shared/libshared-cairo.la
-xwayland_la_CFLAGS = $(GCC_CFLAGS) $(COMPOSITOR_CFLAGS)
+xwayland_la_CFLAGS =				\
+	$(GCC_CFLAGS)				\
+	$(COMPOSITOR_CFLAGS)			\
+	$(PIXMAN_CFLAGS)			\
+	$(CAIRO_CFLAGS)
 xwayland_la_SOURCES =				\
 	xwayland.h				\
 	window-manager.c			\