libSDL2pp/CMakeLists.txt
2019-02-20 21:01:50 +03:00

307 lines
8.4 KiB
CMake

cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
# meta
project(libSDL2pp)
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
set(SDL2PP_MAJOR_VERSION 0)
set(SDL2PP_MINOR_VERSION 16)
set(SDL2PP_PATCH_VERSION 0)
set(SDL2PP_VERSION "${SDL2PP_MAJOR_VERSION}.${SDL2PP_MINOR_VERSION}.${SDL2PP_PATCH_VERSION}")
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)
# there are functions present on wiki, but not yet in stable SDL2 releases;
# we hide these under following options
option(SDL2PP_WITH_WERROR "Make warnings fatal" OFF)
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
OPTION(SDL2PP_WITH_IMAGE "Enable SDL2_image support" ON)
OPTION(SDL2PP_WITH_TTF "Enable SDL2_ttf support" ON)
OPTION(SDL2PP_WITH_MIXER "Enable SDL2_mixer support" ON)
else()
# please set SDL2PP_WITH_IMAGE, SDL2PP_WITH_TTF, SDL2PP_WITH_MIXER in parent project as needed
endif()
# depends
find_package(SDL2 REQUIRED)
set(SDL2_ALL_INCLUDE_DIRS ${SDL2_INCLUDE_DIR})
set(SDL2_ALL_LIBRARIES ${SDL2_LIBRARY})
set(SDL2_ALL_PKGCONFIG_MODULES sdl2)
set(SDL2PP_EXTRA_LIBRARIES ${SDL2MAIN_LIBRARY})
set(SDL2PP_EXTRA_PKGCONFIG_LIBRARIES ${SDL2MAIN_LIBRARY})
if(MINGW)
set(MINGW32_LIBRARY "mingw32" CACHE STRING "mingw32 library")
set(SDL2PP_EXTRA_LIBRARIES ${MINGW32_LIBRARY} ${SDL2PP_EXTRA_LIBRARIES})
set(SDL2PP_EXTRA_PKGCONFIG_LIBRARIES "-l${MINGW32_LIBRARY} ${SDL2PP_EXTRA_PKGCONFIG_LIBRARIES}")
endif()
if(SDL2PP_WITH_IMAGE)
find_package(SDL2_image REQUIRED)
set(SDL2_ALL_INCLUDE_DIRS ${SDL2_ALL_INCLUDE_DIRS} ${SDL2_IMAGE_INCLUDE_DIR})
set(SDL2_ALL_LIBRARIES ${SDL2_ALL_LIBRARIES} ${SDL2_IMAGE_LIBRARY})
set(SDL2_ALL_PKGCONFIG_MODULES "${SDL2_ALL_PKGCONFIG_MODULES} SDL2_image")
else()
message(STATUS "SDL2_image support disabled")
endif()
if(SDL2PP_WITH_TTF)
find_package(SDL2_ttf REQUIRED)
set(SDL2_ALL_INCLUDE_DIRS ${SDL2_ALL_INCLUDE_DIRS} ${SDL2_TTF_INCLUDE_DIR})
set(SDL2_ALL_LIBRARIES ${SDL2_ALL_LIBRARIES} ${SDL2_TTF_LIBRARY})
set(SDL2_ALL_PKGCONFIG_MODULES "${SDL2_ALL_PKGCONFIG_MODULES} SDL2_ttf")
else()
message(STATUS "SDL2_ttf support disabled")
endif()
if(SDL2PP_WITH_MIXER)
find_package(SDL2_mixer REQUIRED)
set(SDL2_ALL_INCLUDE_DIRS ${SDL2_ALL_INCLUDE_DIRS} ${SDL2_MIXER_INCLUDE_DIR})
set(SDL2_ALL_LIBRARIES ${SDL2_ALL_LIBRARIES} ${SDL2_MIXER_LIBRARY})
set(SDL2_ALL_PKGCONFIG_MODULES "${SDL2_ALL_PKGCONFIG_MODULES} SDL2_mixer")
else()
message(STATUS "SDL2_mixer support disabled")
endif()
# compiler flags & definitions
if(MSVC)
set(SDL2PP_WARNINGS "${SDL2PP_WARNINGS} /W3")
set(SDL2PP_WERROR_FLAG "/WX")
else()
set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_DEBUG} --coverage")
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "${CMAKE_EXE_LINKER_FLAGS_DEBUG} --coverage")
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} --coverage")
set(SDL2PP_WARNINGS "${SDL2PP_WARNINGS} -Wall -Wextra -pedantic")
set(SDL2PP_WERROR_FLAG "-Werror")
include(AppendCXXFlagIfSupported)
# enable for more cleanups
#APPEND_CXX_FLAG_IF_SUPPORTED(-Weverything SDL2PP_WARNINGS)
# always enables some -Weverything warnings
APPEND_CXX_FLAG_IF_SUPPORTED(-Wmissing-prototypes SDL2PP_WARNINGS)
APPEND_CXX_FLAG_IF_SUPPORTED(-Wtautological-compare SDL2PP_WARNINGS)
APPEND_CXX_FLAG_IF_SUPPORTED(-Wshorten-64-to-32 SDL2PP_WARNINGS)
# disable some -Weverything warnings
#APPEND_CXX_FLAG_IF_SUPPORTED(-Wno-c++98-compat SDL2PP_WARNINGS)
#APPEND_CXX_FLAG_IF_SUPPORTED(-Wno-padded SDL2PP_WARNINGS)
endif()
list(REMOVE_DUPLICATES SDL2_ALL_INCLUDE_DIRS)
include_directories(BEFORE ${PROJECT_SOURCE_DIR})
include_directories(SYSTEM ${SDL2_ALL_INCLUDE_DIRS})
include(CheckCompile)
check_compile(
SDL2PP_WITH_EXPERIMENTAL_OPTIONAL
"#include <experimental/optional>\nint main() { std::experimental::optional<int> o; return !o; }"
"experimental/optional header"
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SDL2PP_WARNINGS}")
if(SDL2PP_WITH_WERROR)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SDL2PP_WERROR_FLAG}")
endif()
# config.h
configure_file(
SDL2pp/Config.hh.in
SDL2pp/Config.hh
)
include_directories(BEFORE ${PROJECT_BINARY_DIR})
# sources
set(LIBRARY_SOURCES
SDL2pp/AudioDevice.cc
SDL2pp/AudioLock.cc
SDL2pp/AudioSpec.cc
SDL2pp/Color.cc
SDL2pp/Exception.cc
SDL2pp/Point.cc
SDL2pp/RWops.cc
SDL2pp/Rect.cc
SDL2pp/Renderer.cc
SDL2pp/SDL.cc
SDL2pp/Surface.cc
SDL2pp/SurfaceLock.cc
SDL2pp/Texture.cc
SDL2pp/TextureLock.cc
SDL2pp/Wav.cc
SDL2pp/Window.cc
)
set(LIBRARY_HEADERS
SDL2pp/AudioDevice.hh
SDL2pp/AudioSpec.hh
SDL2pp/Color.hh
SDL2pp/ContainerRWops.hh
SDL2pp/Exception.hh
SDL2pp/Optional.hh
SDL2pp/Point.hh
SDL2pp/RWops.hh
SDL2pp/Rect.hh
SDL2pp/Renderer.hh
SDL2pp/SDL.hh
SDL2pp/SDL2pp.hh
SDL2pp/StreamRWops.hh
SDL2pp/Surface.hh
SDL2pp/Texture.hh
SDL2pp/Wav.hh
SDL2pp/Window.hh
)
set(LIBRARY_EXTERNAL_HEADERS
SDL2pp/external/libcpp_optional.hh
)
# optional sources
if(SDL2PP_WITH_TTF)
set(LIBRARY_SOURCES
${LIBRARY_SOURCES}
SDL2pp/SDLTTF.cc
SDL2pp/Font.cc
)
set(LIBRARY_HEADERS
${LIBRARY_HEADERS}
SDL2pp/SDLTTF.hh
SDL2pp/Font.hh
)
endif()
if(SDL2PP_WITH_IMAGE)
set(LIBRARY_SOURCES
${LIBRARY_SOURCES}
SDL2pp/SDLImage.cc
)
set(LIBRARY_HEADERS
${LIBRARY_HEADERS}
SDL2pp/SDLImage.hh
)
endif()
if(SDL2PP_WITH_MIXER)
set(LIBRARY_SOURCES
${LIBRARY_SOURCES}
SDL2pp/Chunk.cc
SDL2pp/Mixer.cc
SDL2pp/Music.cc
SDL2pp/SDLMixer.cc
)
set(LIBRARY_HEADERS
${LIBRARY_HEADERS}
SDL2pp/Chunk.hh
SDL2pp/Mixer.hh
SDL2pp/Music.hh
SDL2pp/SDLMixer.hh
)
endif()
# targets
include(GenerateExportHeader)
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
# options
option(SDL2PP_WITH_EXAMPLES "Build examples" ON)
option(SDL2PP_WITH_TESTS "Build tests" ON)
option(SDL2PP_ENABLE_LIVE_TESTS "Enable live tests (require X11 display and audio device)" ON)
option(SDL2PP_STATIC "Build static library instead of shared one" OFF)
# library
if(SDL2PP_STATIC)
ADD_LIBRARY(SDL2pp STATIC ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
else()
ADD_LIBRARY(SDL2pp SHARED ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
TARGET_LINK_LIBRARIES(SDL2pp ${SDL2_ALL_LIBRARIES})
SET_TARGET_PROPERTIES(SDL2pp PROPERTIES VERSION 8.3.0 SOVERSION 8)
endif()
generate_export_header(SDL2pp EXPORT_FILE_NAME SDL2pp/Export.hh)
set(SDL2PP_LIBRARIES ${SDL2PP_EXTRA_LIBRARIES} SDL2pp ${SDL2_ALL_LIBRARIES})
# examples and tests
if(SDL2PP_WITH_EXAMPLES)
add_subdirectory(examples)
endif()
if(SDL2PP_WITH_TESTS)
enable_testing()
add_subdirectory(tests)
endif()
# doxygen
find_package(Doxygen)
if(DOXYGEN_FOUND)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
add_custom_target(doxygen
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM
)
endif()
# pkgconfig and cmake modules
set(CMAKEMODDIR share/cmake/Modules CACHE STRING "directory where to install cmake module")
set(PKGCONFIGDIR lib/pkgconfig CACHE STRING "directory where to install pkg-config files")
if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR CMAKE_SYSTEM_NAME MATCHES "DragonFly")
SET(PKGCONFIGDIR libdata/pkgconfig)
endif()
include(Join)
JOIN_QUOTED("${SDL2PP_EXTRA_LIBRARIES}" SDL2PP_EXTRA_LIBRARIES_STR)
JOIN_QUOTED("${SDL2_ALL_LIBRARIES}" SDL2_ALL_LIBRARIES_STR)
JOIN_QUOTED("${SDL2_ALL_INCLUDE_DIRS}" SDL2_ALL_INCLUDE_DIRS_STR)
configure_file(
sdl2pp.pc.in
sdl2pp.pc
@ONLY
)
configure_file(
FindSDL2PP.cmake.in
FindSDL2PP.cmake
@ONLY
)
# install
install(FILES
${LIBRARY_HEADERS}
${PROJECT_BINARY_DIR}/SDL2pp/Config.hh
${PROJECT_BINARY_DIR}/SDL2pp/Export.hh
DESTINATION include/SDL2pp
)
install(FILES ${LIBRARY_EXTERNAL_HEADERS} DESTINATION include/SDL2pp/external)
install(TARGETS SDL2pp
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
)
install(FILES ${PROJECT_BINARY_DIR}/sdl2pp.pc DESTINATION ${PKGCONFIGDIR})
install(FILES ${PROJECT_BINARY_DIR}/FindSDL2PP.cmake DESTINATION ${CMAKEMODDIR})
message(STATUS "libSDL2pp ${SDL2PP_VERSION} standalone build")
else()
# library
add_library(SDL2pp STATIC ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
generate_export_header(SDL2pp EXPORT_FILE_NAME SDL2pp/Export.hh)
# provide variables to parent
set(SDL2PP_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${SDL2_ALL_INCLUDE_DIRS} PARENT_SCOPE)
set(SDL2PP_LIBRARIES ${SDL2PP_EXTRA_LIBRARIES} SDL2pp ${SDL2_ALL_LIBRARIES} PARENT_SCOPE)
message(STATUS "libSDL2pp ${SDL2PP_VERSION} bundled build")
endif()