vcpkg/ports/sdl2-image/CMakeLists.txt

112 lines
3.0 KiB
CMake

cmake_minimum_required(VERSION 2.6)
project(SDL2_image C)
### configuration ###
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
# enable all file formats which are supported natively
set(SUPPORTED_FORMATS BMP GIF LBM PCX PNM TGA XPM XCF XV)
# enable all file formats which are supported through external dependencies
# first try to load them statically (lib file in vcpkg installation)
# if this fails try to make them a dynamic dependency (dll will be loaded at runtime) if possible. vcpkg cannot resolve these dependencies!
# else do not support this file format at all
set(DEPENDENCIES PNG JPEG TIFF WEBP)
# patch library names for preprocessor flags
set(JPEG_FLAG JPG)
set(TIFF_FLAG TIF)
# names of potentially dynamically loaded libraries
set(JPEG_DYNAMIC \"libjpeg-9.dll\")
set(PNG_DYNAMIC \"libpng16-16.dll\")
set(TIFF_DYNAMIC \"libtiff-5.dll\")
set(WEBP_DYNAMIC \"libwebp-4.dll\")
### implementation ###
add_library(SDL2_image
IMG.c
IMG_bmp.c
IMG_gif.c
IMG_jpg.c
IMG_lbm.c
IMG_pcx.c
IMG_png.c
IMG_pnm.c
IMG_tga.c
IMG_tif.c
IMG_webp.c
IMG_xcf.c
IMG_xpm.c
IMG_xv.c
IMG_xxx.c
)
set_target_properties(SDL2_image PROPERTIES DEFINE_SYMBOL SDL2_EXPORTS)
foreach(FORMAT ${SUPPORTED_FORMATS})
add_definitions(-DLOAD_${FORMAT})
endforeach(FORMAT)
# SDL
find_path(SDL_INCLUDE_DIR SDL2/SDL.h)
find_library(SDL_LIBRARY NAMES SDL2d SDL2)
include_directories(${SDL_INCLUDE_DIR})
include_directories(${SDL_INCLUDE_DIR}/SDL2)
include_directories(${CMAKE_SOURCE_DIR})
target_link_libraries(SDL2_image ${SDL_LIBRARY})
# external dependencies
foreach(DEPENDENCY ${DEPENDENCIES})
find_package(${DEPENDENCY})
if(NOT DEFINED ${DEPENDENCY}_FLAG)
set(${DEPENDENCY}_FLAG ${DEPENDENCY})
endif()
add_definitions(-DLOAD_${${DEPENDENCY}_FLAG})
if(${DEPENDENCY}_FOUND)
message(STATUS " --> linking statically.")
target_link_libraries(SDL2_image ${${DEPENDENCY}_LIBRARIES})
elseif(DEFINED ${DEPENDENCY}_DYNAMIC)
message(STATUS " --> linking dynamically.")
add_definitions(-DLOAD_${${DEPENDENCY}_FLAG}_DYNAMIC=${${DEPENDENCY}_DYNAMIC})
set(RUNTIME_DEPENDENCIES ON)
else()
message(STATUS " --> skipping.")
endif()
endforeach(DEPENDENCY)
if(DEFINED RUNTIME_DEPENDENCIES)
include_directories(VisualC/external/include)
endif()
install(TARGETS SDL2_image
RUNTIME DESTINATION bin
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib)
install(FILES SDL_image.h DESTINATION include/SDL2 CONFIGURATIONS Release)
message(STATUS "Link-time dependencies:")
message(STATUS " " ${SDL_LIBRARY})
foreach(DEPENDENCY ${DEPENDENCIES})
if(${DEPENDENCY}_FOUND)
message(STATUS " " ${DEPENDENCY})
endif()
endforeach(DEPENDENCY)
if(DEFINED RUNTIME_DEPENDENCIES)
message(STATUS "Run-time dependencies:")
foreach(DEPENDENCY ${DEPENDENCIES})
if(NOT ${DEPENDENCY}_FOUND AND DEFINED ${DEPENDENCY}_DYNAMIC)
message(STATUS " " ${${DEPENDENCY}_DYNAMIC})
endif()
endforeach(DEPENDENCY)
endif()