--- webkitgtk-2.30.5.old/Source/ThirdParty/ANGLE/src/common/PackedEnums.cpp
+++ webkitgtk-2.30.5/Source/ThirdParty/ANGLE/src/common/PackedEnums.cpp
@@ -487,9 +487,10 @@
         case EGL_TEXTURE_2D:
             return gl::TextureType::_2D;
 
+#ifdef       EGL_TEXTURE_RECTANGLE_ANGLE
         case EGL_TEXTURE_RECTANGLE_ANGLE:
             return gl::TextureType::Rectangle;
-
+#endif
         default:
             UNREACHABLE();
             return gl::TextureType::InvalidEnum;
--- webkitgtk-2.30.5.old/Source/ThirdParty/ANGLE/src/common/utilities.cpp
+++ webkitgtk-2.30.5/Source/ThirdParty/ANGLE/src/common/utilities.cpp
@@ -1151,7 +1151,9 @@
     switch (target)
     {
         case EGL_NATIVE_BUFFER_ANDROID:
+#ifdef       EGL_D3D11_TEXTURE_ANGLE
         case EGL_D3D11_TEXTURE_ANGLE:
+#endif
         case EGL_LINUX_DMA_BUF_EXT:
             return true;