--- /opt/cocos2d-x/cocos/renderer/ccShader_Label_df.frag	2016-12-29 13:42:38.000000000 -0400
+++ /tmp/ccShader_Label_df.frag	2017-01-04 15:03:04.066683647 -0400
@@ -1,8 +1,8 @@
-const char* ccLabelDistanceFieldNormal_frag = R"(
+const char* ccLabelDistanceFieldNormal_frag = STRINGIFY(
 
-#ifdef GL_ES
+\n#ifdef GL_ES\n
 precision lowp float;
-#endif
+\n#endif\n
 
 varying vec4 v_fragmentColor;
 varying vec2 v_texCoord;
@@ -23,4 +23,4 @@
     float alpha = smoothstep(0.5-width, 0.5+width, dist) * u_textColor.a;
     gl_FragColor = v_fragmentColor * vec4(u_textColor.rgb,alpha);
 }
-)";
+);