
if(UNIX)
	find_program(HELP2MAN help2man DOC "Location of the help2man program")
	find_program(GZIP gzip DOC "Location of the gzip program")
	mark_as_advanced(HELP2MAN)
	mark_as_advanced(GZIP)
	if(HELP2MAN AND GZIP)
		set(MANFILE ${CMAKE_CURRENT_BINARY_DIR}/performous.6.gz)
		set(H2MFILE ${CMAKE_CURRENT_SOURCE_DIR}/performous.h2m)
		set(PERFORMOUS_EXEC ${CMAKE_BINARY_DIR}/game/performous)
		add_custom_command(
			OUTPUT ${MANFILE}
			COMMAND ${HELP2MAN} ${PERFORMOUS_EXEC} -s 6 -i ${H2MFILE} -N | ${GZIP} > ${MANFILE}
			MAIN_DEPENDENCY ${H2MFILE}
			DEPENDS ${PERFORMOUS_EXEC}
			COMMENT "Building Performous man page"
			VERBATIM
		)
		add_custom_target(manpage ALL DEPENDS ${MANFILE})
		install(FILES ${MANFILE} DESTINATION share/man/man6)
	else(HELP2MAN AND GZIP)
		message("WARNING: One of the following is missing: help2man, gzip; performous man page will not be generated")
	endif(HELP2MAN AND GZIP)
	if(ENABLE_TOOLS AND GZIP)
		set(TOOLS "ss_pak_extract" "ss_extract" "ss_cover_conv" "ss_adpcm_decode" "ss_ipu_decode" "ss_ipu_conv")
		set(MAN_SECTION "1")
		foreach(TOOL ${TOOLS})
			set(TOOL_MANFILE ${CMAKE_CURRENT_SOURCE_DIR}/${TOOL}.${MAN_SECTION})
			set(TOOL_MANFILE_GZ ${CMAKE_CURRENT_BINARY_DIR}/${TOOL}.${MAN_SECTION}.gz)
			add_custom_command(
				OUTPUT ${TOOL_MANFILE_GZ}
				COMMAND ${GZIP} -c ${TOOL_MANFILE} > ${TOOL_MANFILE_GZ}
				MAIN_DEPENDENCY ${TOOL_MANFILE}
				COMMENT "Building ${TOOL} man page"
				VERBATIM
			)
			add_custom_target(${TOOL}.${MAN_SECTION} ALL DEPENDS ${TOOL_MANFILE_GZ})
			install(FILES ${TOOL_MANFILE_GZ} DESTINATION share/man/man${MAN_SECTION})
		endforeach(TOOL)
	endif(ENABLE_TOOLS AND GZIP)
endif(UNIX)


