if(${USESDL12})

    find_package(SDL REQUIRED)

    include_directories(${SDL_INCLUDE_DIR})

else(${USESDL12})

    find_package(SDL2 REQUIRED)

    include_directories(${SDL2_INCLUDE_DIR})

    set(SDL_LIBRARY ${SDL2_LIBRARY})

endif(${USESDL12})

include_directories(${PHYSFS_INCLUDE_DIR})

include_directories(${LUA_INCLUDE_DIR})

## extra functions needed by Hedgewars

## TODO: maybe it's better to have them in a separate library?

set(PHYSLAYER_SRCS

    physfsrwops.c

    physfslualoader.c

    hwpacksmounter.c

)

#compiles and links actual library

add_library (physlayer ${PHYSLAYER_SRCS})

#TODO: find good VERSION and SOVERSION values

target_link_libraries(physlayer ${SDL_LIBRARY} lua physfs)

install(TARGETS physlayer RUNTIME DESTINATION ${target_binary_install_dir}

                          LIBRARY DESTINATION ${target_library_install_dir}

                          ARCHIVE DESTINATION ${target_library_install_dir})

get_target_property(physlayer_fullpath physlayer LOCATION)

## added standard variables (FORCE or cmake won't pick 'em)

set(PHYSLAYER_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR} CACHE STRING "Physlayer include dir" FORCE)

set(PHYSLAYER_LIBRARY ${physlayer_fullpath} CACHE STRING "Physlayer library" FORCE)