181 lines
5.6 KiB
CMake
181 lines
5.6 KiB
CMake
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# -----------------------------------------------------------------------------
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# Codam Coding College, Amsterdam @ 2022-2023 by W2Wizard.
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# See README in the root project for more information.
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# -----------------------------------------------------------------------------
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# CMake specifications
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# -----------------------------------------------------------------------------
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cmake_minimum_required (VERSION 3.18.0)
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project(mlx42 VERSION 2.3.2)
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message(STATUS "MLX42 @ ${CMAKE_PROJECT_VERSION}")
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# Variables
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# -----------------------------------------------------------------------------
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set(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
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set(TOOLS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/tools)
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
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set(CMAKE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_EXTENSIONS OFF)
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set(CMAKE_C_STANDARD_REQUIRED ON)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
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# Options
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set(DEBUG OFF CACHE BOOL "Build MLX42 in debug mode, enabling assertions")
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set(GLFW_FETCH ON CACHE BOOL "Clone and install GLFW")
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set(BUILD_TESTS OFF CACHE BOOL "Build the tests to verify the integrity of the lib")
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# Compile Options
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# -----------------------------------------------------------------------------
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# Reduce the size of LodePNG, we don't need these things.
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add_definitions(-D LODEPNG_NO_COMPILE_ENCODER)
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add_definitions(-D LODEPNG_NO_COMPILE_ANCILLARY_CHUNKS)
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if(UNIX)
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set(CCSHADER ${PROJECT_SOURCE_DIR}/tools/compile_shader.sh)
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add_compile_options(
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-Wextra
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-Wall
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-Werror
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-Wunreachable-code
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# Some low priority warnings that are annoying.
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-Wno-char-subscripts
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-Wno-sign-compare
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-Wno-unused-parameter
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-Wno-missing-field-initializers
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)
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if(DEBUG)
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message(STATUS "Building in DEBUG mode")
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add_compile_options(-g)
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else()
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message(STATUS "Building in RELEASE mode")
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add_definitions(-D NDEBUG)
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add_compile_options(-Ofast)
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endif(DEBUG)
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else()
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# TODO: Figure out what we need for windows.
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set(CCSHADER ${PROJECT_SOURCE_DIR}/tools/compile_shader.bat)
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endif()
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# Build specific files
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# @see https://cmake.org/cmake/help/latest/command/add_custom_command.html
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# -----------------------------------------------------------------------------
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add_custom_command(
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COMMENT "Building fragment shader"
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DEPENDS ${PROJECT_SOURCE_DIR}/shaders/default.frag
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OUTPUT mlx_frag_shader.c
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COMMAND ${CCSHADER} ${PROJECT_SOURCE_DIR}/shaders/default.frag > mlx_frag_shader.c
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VERBATIM
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PRE_BUILD
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USES_TERMINAL
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)
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add_custom_command(
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COMMENT "Building vertex shader"
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DEPENDS ${PROJECT_SOURCE_DIR}/shaders/default.vert
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OUTPUT mlx_vert_shader.c
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COMMAND ${CCSHADER} ${PROJECT_SOURCE_DIR}/shaders/default.vert > mlx_vert_shader.c
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VERBATIM
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PRE_BUILD
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USES_TERMINAL
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)
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# Sources
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# -----------------------------------------------------------------------------
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add_library(mlx42 STATIC
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# Root
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${SOURCE_DIR}/mlx_cursor.c
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${SOURCE_DIR}/mlx_exit.c
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${SOURCE_DIR}/mlx_images.c
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${SOURCE_DIR}/mlx_init.c
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${SOURCE_DIR}/mlx_keys.c
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${SOURCE_DIR}/mlx_loop.c
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${SOURCE_DIR}/mlx_monitor.c
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${SOURCE_DIR}/mlx_mouse.c
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${SOURCE_DIR}/mlx_put_pixel.c
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${SOURCE_DIR}/mlx_window.c
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# Utils
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${SOURCE_DIR}/utils/mlx_error.c
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${SOURCE_DIR}/utils/mlx_list.c
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${SOURCE_DIR}/utils/mlx_utils.c
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${SOURCE_DIR}/utils/mlx_compare.c
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# Textures
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${SOURCE_DIR}/font/mlx_font.c
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${SOURCE_DIR}/textures/mlx_png.c
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${SOURCE_DIR}/textures/mlx_texture.c
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${SOURCE_DIR}/textures/mlx_xpm42.c
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# Libs
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lib/png/lodepng.c
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lib/glad/glad.c
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mlx_vert_shader.c
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mlx_frag_shader.c
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)
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target_include_directories(mlx42 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
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# Dependencies
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# -----------------------------------------------------------------------------
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find_package(glfw3)
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find_package(OpenGL REQUIRED)
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target_link_libraries(mlx42 OpenGL::GL)
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if (NOT glfw3_FOUND AND GLFW_FETCH)
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message(STATUS "Install GLFW to suppress this message")
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message(STATUS "Please wait, fetching GLFW ...")
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include(${CMAKE_DIR}/LinkGLFW.cmake)
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LinkGLFW(mlx42)
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elseif(NOT glfw3_FOUND AND NOT GLFW_FETCH)
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message(FATAL_ERROR "Unable to build: GLFW can't be found nor fetched.")
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endif()
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if (glfw3_FOUND)
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target_link_libraries(mlx42 ${GLFW3_LIBRARY})
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endif()
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if(APPLE)
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target_link_libraries(mlx42 "-framework Cocoa" "-framework IOKit")
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endif()
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# Testing
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# -----------------------------------------------------------------------------
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# Only build tests if we are the main project or explicitly told to, make sure
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# tests are not built when mlx42 is included as a subproject, use MLX42_BUILD_TESTS to overwrite this
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# use cmake -DBUILD_TESTS=ON/-DMLX42_BUILD_TESTS=ON to build tests
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if ((PROJECT_NAME STREQUAL CMAKE_PROJECT_NAME AND BUILD_TESTS) OR MLX42_BUILD_TESTS)
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add_subdirectory(tests)
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enable_testing()
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endif()
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# Installation
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# -----------------------------------------------------------------------------
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# Convenience feature to install the library and headers to the system.
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# Use cmake -DCMAKE_INSTALL_PREFIX=/usr/local for example to install to /usr/local
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# or any other directory that you want to install to.
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#
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# This only really useful if you are a system administrator and want to install
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# the library to the system, if you are a developer you should just use the
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# library as a subproject as you probably don't have (nor really should) have any
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# amibitons to use this for anything other than your own school projects.
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install(
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DIRECTORY ./include/MLX42 DESTINATION ${CMAKE_INSTALL_PREFIX}/include
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FILES_MATCHING PATTERN MLX42.h
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)
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install(TARGETS mlx42
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EXPORT mlx42Targets
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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)
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