######################
#
#    Copyright (C) 2010 - 2015 EngSaS - Engineering Solutions and Services Langenbach. All rights reserved.
#
#    This library is free software; you can redistribute it and/or
#    modify it under the terms of the GNU Lesser General Public
#    License as published by the Free Software Foundation; either
#    version 2.1 of the License, or (at your option) any later version.
#
#    This library is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#    Lesser General Public License for more details.
#
#    You should have received a copy of the GNU Lesser General Public
#    License along with this library; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#    MA 02110-1301  USA.
#
######################

IF(WITH_API_DOCS)
	# add a target to generate API documentation with Doxygen
	FIND_PACKAGE(Doxygen REQUIRED)

	SET(APIDOC_DIR ${CMAKE_BINARY_DIR}/doc/src)
	SET(DOXYGEN_OUTPUT "${APIDOC_DIR}/html/index.html")

	CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
	ADD_CUSTOM_COMMAND(OUTPUT ${DOXYGEN_OUTPUT}
		COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
	)
	ADD_CUSTOM_TARGET(
			apidocs ALL
			DEPENDS "${DOXYGEN_OUTPUT}"
			COMMENT "Generating API documentation with Doxygen"
		)
	# package documentation
	#INSTALL(SCRIPT ${CMAKE_SOURCE_DIR}/cmake/doxygen_helper.cmake.in)
	INSTALL(DIRECTORY "${APIDOC_DIR}/html"
		DESTINATION ${DOCDIR}
		COMPONENT devapidocs
	)
ENDIF(WITH_API_DOCS)