--- /opt/cocos2d-x/cocos/renderer/ccShader_ETC1AS_PositionTextureGray.frag	2016-12-29 13:42:38.000000000 -0400
+++ /tmp/ccShader_ETC1AS_PositionTextureGray.frag	2017-01-04 15:03:03.963362193 -0400
@@ -23,10 +23,10 @@
  * THE SOFTWARE.
  */
 
-const char* ccETC1ASPositionTextureGray_frag = R"(
-#ifdef GL_ES
+const char* ccETC1ASPositionTextureGray_frag = STRINGIFY(
+\n#ifdef GL_ES\n
     precision mediump float;
-#endif
+\n#endif\n
 
 varying vec4 v_fragmentColor;
 varying vec2 v_texCoord;
@@ -42,4 +42,4 @@
     gl_FragColor.rgb = vec3(0.2126*texColor.r + 0.7152*texColor.g + 0.0722*texColor.b);
     gl_FragColor.a = texColor.a;
 }
-)";
+);