binaries/assimp-3.1.1/cmake-modules/PrecompiledHeader.cmake

MACRO(ADD_MSVC_PRECOMPILED_HEADER PrecompiledHeader PrecompiledSource SourcesVar)
  IF(MSVC)
    GET_FILENAME_COMPONENT(PrecompiledBasename ${PrecompiledHeader} NAME_WE)
    SET(PrecompiledBinary "${CMAKE_CFG_INTDIR}/${PrecompiledBasename}.pch")
    SET(Sources ${${SourcesVar}})

    SET_SOURCE_FILES_PROPERTIES(${PrecompiledSource}
                                PROPERTIES COMPILE_FLAGS "/Yc\"${PrecompiledHeader}\" /Fp\"${PrecompiledBinary}\""
                                           OBJECT_OUTPUTS "${PrecompiledBinary}")
										   
	# Do not consider .c files
	foreach(fname ${Sources}) 
		GET_FILENAME_COMPONENT(fext ${fname} EXT)
		if(fext STREQUAL ".cpp")
			SET_SOURCE_FILES_PROPERTIES(${fname}
                                PROPERTIES COMPILE_FLAGS "/Yu\"${PrecompiledBinary}\" /FI\"${PrecompiledBinary}\" /Fp\"${PrecompiledBinary}\""
                                           OBJECT_DEPENDS "${PrecompiledBinary}")     
		endif(fext STREQUAL ".cpp")
	endforeach(fname) 
										   
  ENDIF(MSVC)
  # Add precompiled header to SourcesVar
  LIST(APPEND ${SourcesVar} ${PrecompiledSource})
	
ENDMACRO(ADD_MSVC_PRECOMPILED_HEADER)