CMakeLists.txt

PROJECT(lemon)
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

ADD_EXECUTABLE(lemon lemon.c)

MACRO(LEMON_TARGET Name Input Template)
	GET_FILENAME_COMPONENT(LEMON_INPUT_FILENAME ${Input} NAME_WE)
	GET_FILENAME_COMPONENT(LEMON_TEMPLATE_EXTENSION ${Template} EXT)
	GET_FILENAME_COMPONENT(LEMON_TEMPLATE_PATH ${Template} PATH)

	IF(LEMON_TEMPLATE_PATH STREQUAL "")
		SET(LEMON_TEMPLATE_PATH ${lemon_SOURCE_DIR}/${Template})
	ELSE()
		SET(LEMON_TEMPLATE_PATH ${Template})
	ENDIF()

	SET(LEMON_${Name}_OUTPUTS
		${CMAKE_CURRENT_BINARY_DIR}/${LEMON_INPUT_FILENAME}.h
		${CMAKE_CURRENT_BINARY_DIR}/${LEMON_INPUT_FILENAME}${LEMON_TEMPLATE_EXTENSION})

	ADD_CUSTOM_COMMAND(
		OUTPUT ${LEMON_${Name}_OUTPUTS}
		COMMAND lemon ARGS ${Input} -P${CMAKE_CURRENT_BINARY_DIR}/ -T${LEMON_TEMPLATE_PATH}
		DEPENDS ${Input} ${LEMON_TEMPLATE_PATH}
		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
ENDMACRO()