glfw/CMakeLists.txt
Camilla Löwy b850107a32 Update minimum CMake version to 3.16
This replaces some workarounds and manual logic with new features
available with CMake 3.16, including list(FILTER), list(JOIN),
foreach(IN LISTS) and enable_language(OBJC).  Policy settings no longer
needed with 3.16 have been removed.

Related to #2541
2024-11-27 16:25:07 +01:00

141 lines
5.2 KiB
CMake

cmake_minimum_required(VERSION 3.16...3.28 FATAL_ERROR)
project(GLFW VERSION 3.5.0 LANGUAGES C HOMEPAGE_URL "https://www.glfw.org/")
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
string(COMPARE EQUAL "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_SOURCE_DIR}" GLFW_STANDALONE)
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ${GLFW_STANDALONE})
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ${GLFW_STANDALONE})
option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
option(GLFW_INSTALL "Generate installation target" ON)
include(GNUInstallDirs)
include(CMakeDependentOption)
if (GLFW_USE_OSMESA)
message(FATAL_ERROR "GLFW_USE_OSMESA has been removed; set the GLFW_PLATFORM init hint")
endif()
if (DEFINED GLFW_USE_WAYLAND AND UNIX AND NOT APPLE)
message(FATAL_ERROR
"GLFW_USE_WAYLAND has been removed; delete the CMake cache and set GLFW_BUILD_WAYLAND and GLFW_BUILD_X11 instead")
endif()
cmake_dependent_option(GLFW_BUILD_WIN32 "Build support for Win32" ON "WIN32" OFF)
cmake_dependent_option(GLFW_BUILD_COCOA "Build support for Cocoa" ON "APPLE" OFF)
cmake_dependent_option(GLFW_BUILD_X11 "Build support for X11" ON "UNIX;NOT APPLE" OFF)
cmake_dependent_option(GLFW_BUILD_WAYLAND "Build support for Wayland" ON "UNIX;NOT APPLE" OFF)
cmake_dependent_option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF
"WIN32" OFF)
cmake_dependent_option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON
"MSVC" OFF)
set(GLFW_LIBRARY_TYPE "${GLFW_LIBRARY_TYPE}" CACHE STRING
"Library type override for GLFW (SHARED, STATIC, OBJECT, or empty to follow BUILD_SHARED_LIBS)")
if (GLFW_LIBRARY_TYPE)
if (GLFW_LIBRARY_TYPE STREQUAL "SHARED")
set(GLFW_BUILD_SHARED_LIBRARY TRUE)
else()
set(GLFW_BUILD_SHARED_LIBRARY FALSE)
endif()
else()
set(GLFW_BUILD_SHARED_LIBRARY ${BUILD_SHARED_LIBS})
endif()
list(APPEND CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules")
find_package(Threads REQUIRED)
#--------------------------------------------------------------------
# Report backend selection
#--------------------------------------------------------------------
if (GLFW_BUILD_WIN32)
message(STATUS "Including Win32 support")
endif()
if (GLFW_BUILD_COCOA)
message(STATUS "Including Cocoa support")
endif()
if (GLFW_BUILD_WAYLAND)
message(STATUS "Including Wayland support")
endif()
if (GLFW_BUILD_X11)
message(STATUS "Including X11 support")
endif()
#--------------------------------------------------------------------
# Apply Microsoft C runtime library option
# This is here because it also applies to tests and examples
#--------------------------------------------------------------------
if (MSVC AND NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
endif()
#--------------------------------------------------------------------
# Create generated files
#--------------------------------------------------------------------
include(CMakePackageConfigHelpers)
set(GLFW_CONFIG_PATH "${CMAKE_INSTALL_LIBDIR}/cmake/glfw3")
configure_package_config_file(CMake/glfw3Config.cmake.in
src/glfw3Config.cmake
INSTALL_DESTINATION "${GLFW_CONFIG_PATH}"
NO_CHECK_REQUIRED_COMPONENTS_MACRO)
write_basic_package_version_file(src/glfw3ConfigVersion.cmake
VERSION ${GLFW_VERSION}
COMPATIBILITY SameMajorVersion)
#--------------------------------------------------------------------
# Add subdirectories
#--------------------------------------------------------------------
add_subdirectory(src)
if (GLFW_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
if (GLFW_BUILD_TESTS)
add_subdirectory(tests)
endif()
if (GLFW_BUILD_DOCS)
add_subdirectory(docs)
endif()
#--------------------------------------------------------------------
# Install files other than the library
# The library is installed by src/CMakeLists.txt
#--------------------------------------------------------------------
if (GLFW_INSTALL)
install(DIRECTORY include/GLFW DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
install(FILES "${GLFW_BINARY_DIR}/src/glfw3Config.cmake"
"${GLFW_BINARY_DIR}/src/glfw3ConfigVersion.cmake"
DESTINATION "${GLFW_CONFIG_PATH}")
install(EXPORT glfwTargets FILE glfw3Targets.cmake
EXPORT_LINK_INTERFACE_LIBRARIES
DESTINATION "${GLFW_CONFIG_PATH}")
install(FILES "${GLFW_BINARY_DIR}/src/glfw3.pc"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
# Only generate this target if no higher-level project already has
if (NOT TARGET uninstall)
configure_file(CMake/cmake_uninstall.cmake.in
cmake_uninstall.cmake IMMEDIATE @ONLY)
add_custom_target(uninstall
"${CMAKE_COMMAND}" -P
"${GLFW_BINARY_DIR}/cmake_uninstall.cmake")
set_target_properties(uninstall PROPERTIES FOLDER "GLFW3")
endif()
endif()