Add a couple of more variable bindings, make all the set visual gear values optional, to allow skipping trailing params or specifying ones in the middle as nil to not set. Should make using it more convenient in simple cases.
set(SHAREPATH ${HEDGEWARS_DATADIR})
add_subdirectory(hedgewars/Data)
if(APPLE)
#CFBundleVersion is HEDGEWARS_REVISION
#CFBundleShortVersionString is HEDGEWARS_VERSION
#libav/ffmpeg always brings in VideoDecoderAcceleration, avaible only from 10.6.3
if(LIBAV_FOUND AND ${minimum_macosx_version} VERSION_EQUAL "10.6")
set(minimum_macosx_version "10.6.3")
endif()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Info.plist.in
${CMAKE_CURRENT_BINARY_DIR}/Info.plist)
#path here should be Hedgewars.app/Contents/MacOS
install(PROGRAMS "${CMAKE_CURRENT_BINARY_DIR}/Info.plist"
DESTINATION ../)
install(PROGRAMS "${CMAKE_CURRENT_SOURCE_DIR}/Icon.icns"
DESTINATION ../Resources/)
install(PROGRAMS "${CMAKE_CURRENT_SOURCE_DIR}/hwico.icns"
DESTINATION ../Resources/)
install(PROGRAMS "${CMAKE_CURRENT_SOURCE_DIR}/dsa_pub.pem"
DESTINATION ../Resources/)
elseif(UNIX)
install(PROGRAMS "${CMAKE_CURRENT_SOURCE_DIR}/hedgewars.appdata.xml"
DESTINATION ${CMAKE_INSTALL_PREFIX}/share/appdata/)
endif()