Even more includes

Expand the modulemap to cover some of the system headers too.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>

src/backend/backend.c

@@ -1,3 +1,5 @@
+#include <xcb/xcb.h>
+
 #include "backend.h"
 #include "config.h"
 #include "win.h"

src/backend/backend_common.c

@@ -1,5 +1,7 @@
+#include <string.h>
 #include <xcb/xcb_image.h>
 #include <xcb/render.h>
+#include <xcb/xcb_renderutil.h>
 
 #include "backend.h"
 #include "backend_common.h"

src/backend/gl/gl_common.c

@@ -2,14 +2,17 @@
 #include <GL/glext.h>
 #include <locale.h>
 #include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <xcb/render.h> // for xcb_render_fixed_t, XXX
 
 #include "common.h"
+#include "compiler.h"
+#include "config.h"
 #include "log.h"
 #include "region.h"
 #include "string_utils.h"
 #include "utils.h"
-#include "compiler.h"
-#include "config.h"
 
 #include "backend/gl/gl_common.h"
 

src/backend/gl/gl_common.h

@@ -1,4 +1,5 @@
 #pragma once
+#include <string.h>
 #include <GL/gl.h>
 #include <GL/glext.h>
 

src/backend/gl/glx.c

@@ -9,9 +9,14 @@
  *
  */
 
+#include <assert.h>
 #include <GL/glx.h>
 #include <stdbool.h>
 #include <xcb/xcb.h>
+#include <xcb/composite.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pixman.h>
 
 #include "backend/backend.h"
 #include "backend/gl/gl_common.h"
@@ -19,7 +24,6 @@
 #include "compiler.h"
 #include "log.h"
 #include "region.h"
-#include "string_utils.h"
 #include "utils.h"
 #include "win.h"
 #include "config.h"

src/backend/xrender.c

@@ -1,8 +1,13 @@
 #include <assert.h>
 #include <math.h>
+#include <stdlib.h>
+#include <string.h>
 
+#include <xcb/xcb.h>
 #include <xcb/present.h>
 #include <xcb/sync.h>
+#include <xcb/render.h>
+#include <xcb/composite.h>
 
 #include "backend/backend.h"
 #include "backend_common.h"