Patch CEGUI build system to build the pkg-config files

src/cegui-build-pkgconfig-files.patch

@@ -0,0 +1,13 @@
+# CEGUI does not build the .pc files when targetting Windows.
+# See upstream ticket: https://bitbucket.org/cegui/cegui/issues/1135
+--- old/CMakeLists.txt	2016-04-28 21:12:57.000000000 +0200
++++ new/CMakeLists.txt	2016-07-29 13:07:15.095432616 +0200
+@@ -599,7 +599,7 @@
+ configure_file( samples/common/include/CEGUISamplesConfig.h.in samples/common/include/CEGUISamplesConfig.h )
+ configure_file( doc/doxygen/doxyfile.in doc/doxygen/doxyfile )
+ 
+-if (UNIX AND NOT APPLE)
++if (NOT(APPLE))
+     configure_file( cegui/CEGUI.pc.in cegui/CEGUI-${CEGUI_VERSION_MAJOR}.pc @ONLY )
+     install(FILES ${PROJECT_BINARY_DIR}/cegui/CEGUI-${CEGUI_VERSION_MAJOR}.pc DESTINATION ${CEGUI_PKGCONFIG_INSTALL_DIR})
+ 

src/cegui.mk

@@ -31,6 +31,7 @@ endef
 define $(PKG)_BUILD
     mkdir '$(1)/build'
     $(PATCH) -d '$(1)' -p1 < '$(TOP_DIR)/src/cegui-fix-linking-order.patch'
+    $(PATCH) -d '$(1)' -p1 < '$(TOP_DIR)/src/cegui-build-pkgconfig-files.patch'
     cd '$(1)/build' && export CXXFLAGS="$($(PKG)_CXXFLAGS) $(shell $(TARGET)-pkg-config --cflags freetype2 glew freeimage)" \
         && cmake .. \
         -DCMAKE_TOOLCHAIN_FILE='$(CMAKE_TOOLCHAIN_FILE)' \