FILE(GLOB SOURCE_FILES "*.cc")
FILE(GLOB HEADER_FILES "*.hh")

set_source_files_properties("version.c" PROPERTIES GENERATED true)

# define + adapt option value, these need to be set as C++ booleans
macro (kg_option option_var option_config description default)
    option (${option_var} ${description} ${default})

    if (${option_var})
        set (${option_config} true)
    else (${option_var})
        set (${option_config} false)
    endif (${option_var})

    mark_as_advanced(${option_var})
endmacro (kg_option)

# Define options
KG_OPTION (ENABLE_DEBUG     DEBUG_ENABLED       "Enable debug behaviour"    ON)
KG_OPTION (ENABLE_GRAPHICS  GRAPHICS_ENABLED    "Enable graphics support"   ON)
KG_OPTION (ENABLE_NETWORK   NETWORK_ENABLED     "Enable network support"    ON)

# Generate config.h
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/config.h.in" "${CMAKE_CURRENT_BINARY_DIR}/config.h" @ONLY)
include_directories("${CMAKE_CURRENT_BINARY_DIR}")

# main module
set (CORE_CLANLIB_COMPONENTS Core App Signals)
set (CORE_SOURCES ${SOURCE_FILES} ${HEADER_FILES} "version.c")

# Graphics module
if (GRAPHICS_ENABLED)
    add_subdirectory (Graphics)

endif (GRAPHICS_ENABLED)

# Network module
if (NETWORK_ENABLED)
    add_subdirectory (Network)

endif (NETWORK_ENABLED)    

# Libraries
set (CLANLIB_VERSION 0.8)
set (CLANLIB_COMPONENTS ${CORE_CLANLIB_COMPONENTS} ${GRAPHICS_CLANLIB_COMPONENTS} ${NETWORK_CLANLIB_COMPONENTS})

# ClanLib 0.8
message (STATUS "Finding ClanLib version=${CLANLIB_VERSION}, components=${CLANLIB_COMPONENTS}" )
find_package(ClanLib ${CLANLIB_VERSION} REQUIRED COMPONENTS ${CLANLIB_COMPONENTS})

include_directories(${ClanLib_INCLUDE_DIRS})

# build list of libs/source files
set(LIBS ${LIBS} ${ClanLib_LIBRARIES})
set(SOURCES ${CORE_SOURCES} ${GRAPHICS_SOURCES} ${NETWORK_SOURCES})

# Assumes the project generates only one executable. If you need more, you'll need to alter
# the script and replace ${PROJECT_SHORT_NAME} by executable name.
add_executable("${PROJECT_SHORT_NAME}" ${SOURCES})
target_link_libraries("${PROJECT_SHORT_NAME}" ${LIBS})
install(TARGETS "${PROJECT_SHORT_NAME}" DESTINATION bin)