project(GLFW C) cmake_minimum_required(VERSION 2.8.12) if (NOT CMAKE_VERSION VERSION_LESS "3.0") # Until all major package systems have moved to CMake 3, # we stick with the older INSTALL_NAME_DIR mechanism cmake_policy(SET CMP0042 OLD) endif() set(GLFW_VERSION_MAJOR "3") set(GLFW_VERSION_MINOR "2") set(GLFW_VERSION_PATCH "0") set(GLFW_VERSION_EXTRA "") set(GLFW_VERSION "${GLFW_VERSION_MAJOR}.${GLFW_VERSION_MINOR}") set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA}") set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64") set_property(GLOBAL PROPERTY USE_FOLDERS ON) option(BUILD_SHARED_LIBS "Build shared libraries" OFF) option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON) option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON) option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON) option(GLFW_INSTALL "Generate installation target" ON) option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF) if (WIN32) option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF) endif() if (APPLE) option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON) option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON) option(GLFW_USE_RETINA "Use the full resolution of Retina displays" ON) else() option(GLFW_USE_EGL "Use EGL for context creation" OFF) endif() if (UNIX AND NOT APPLE) option(GLFW_USE_WAYLAND "Use Wayland for context creation (implies EGL as well)" OFF) option(GLFW_USE_MIR "Use Mir for context creation (implies EGL as well)" OFF) endif() if (MSVC) option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON) endif() if (BUILD_SHARED_LIBS) set(_GLFW_BUILD_DLL 1) endif() if (BUILD_SHARED_LIBS AND UNIX) # On Unix-like systems, shared libraries can use the soname system. set(GLFW_LIB_NAME glfw) else() set(GLFW_LIB_NAME glfw3) endif() if (GLFW_USE_WAYLAND) set(GLFW_USE_EGL ON) elseif (GLFW_USE_MIR) set(GLFW_USE_EGL ON) endif() set(CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules") find_package(Threads REQUIRED) find_package(Vulkan) if (GLFW_BUILD_DOCS) set(DOXYGEN_SKIP_DOT TRUE) find_package(Doxygen) if (GLFW_DOCUMENT_INTERNALS) set(GLFW_INTERNAL_DOCS "${GLFW_SOURCE_DIR}/src/internal.h ${GLFW_SOURCE_DIR}/docs/internal.dox") endif() endif() #-------------------------------------------------------------------- # Set compiler specific flags #-------------------------------------------------------------------- if (MSVC) if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL) foreach (flag CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO) if (${flag} MATCHES "/MD") string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}") endif() if (${flag} MATCHES "/MDd") string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}") endif() endforeach() endif() endif() if (MINGW) # Enable link-time exploit mitigation features enabled by default on MSVC include(CheckCCompilerFlag) # Compatibility with data execution prevention (DEP) set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat") check_c_compiler_flag("" _GLFW_HAS_DEP) if (_GLFW_HAS_DEP) set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--nxcompat ${CMAKE_SHARED_LINKER_FLAGS}") endif() # Compatibility with address space layout randomization (ASLR) set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase") check_c_compiler_flag("" _GLFW_HAS_ASLR) if (_GLFW_HAS_ASLR) set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--dynamicbase ${CMAKE_SHARED_LINKER_FLAGS}") endif() # Compatibility with 64-bit address space layout randomization (ASLR) set(CMAKE_REQUIRED_FLAGS "-Wl,--high-entropy-va") check_c_compiler_flag("" _GLFW_HAS_64ASLR) if (_GLFW_HAS_64ASLR) set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--high-entropy-va ${CMAKE_SHARED_LINKER_FLAGS}") endif() endif() #-------------------------------------------------------------------- # Detect and select backend APIs #-------------------------------------------------------------------- if (WIN32) set(_GLFW_WIN32 1) message(STATUS "Using Win32 for window creation") if (GLFW_USE_EGL) set(_GLFW_EGL 1) message(STATUS "Using EGL for context creation") else() set(_GLFW_WGL 1) message(STATUS "Using WGL for context creation") endif() elseif (APPLE) set(_GLFW_COCOA 1) message(STATUS "Using Cocoa for window creation") set(_GLFW_NSGL 1) message(STATUS "Using NSGL for context creation") elseif (UNIX) if (GLFW_USE_WAYLAND) set(_GLFW_WAYLAND 1) message(STATUS "Using Wayland for window creation") elseif (GLFW_USE_MIR) set(_GLFW_MIR 1) message(STATUS "Using Mir for window creation") else() set(_GLFW_X11 1) message(STATUS "Using X11 for window creation") endif() if (GLFW_USE_EGL) set(_GLFW_EGL 1) message(STATUS "Using EGL for context creation") else() set(_GLFW_GLX 1) message(STATUS "Using GLX for context creation") endif() else() message(FATAL_ERROR "No supported platform was detected") endif() #-------------------------------------------------------------------- # Find and add Unix math and time libraries #-------------------------------------------------------------------- if (UNIX AND NOT APPLE) find_library(RT_LIBRARY rt) mark_as_advanced(RT_LIBRARY) if (RT_LIBRARY) list(APPEND glfw_LIBRARIES "${RT_LIBRARY}") list(APPEND glfw_PKG_LIBS "-lrt") endif() find_library(MATH_LIBRARY m) mark_as_advanced(MATH_LIBRARY) if (MATH_LIBRARY) list(APPEND glfw_LIBRARIES "${MATH_LIBRARY}") list(APPEND glfw_PKG_LIBS "-lm") endif() if (CMAKE_DL_LIBS) list(APPEND glfw_LIBRARIES "${CMAKE_DL_LIBS}") list(APPEND glfw_PKG_LIBS "-l${CMAKE_DL_LIBS}") endif() endif() #-------------------------------------------------------------------- # Use Win32 for window creation #-------------------------------------------------------------------- if (_GLFW_WIN32) list(APPEND glfw_PKG_LIBS "-lgdi32") if (GLFW_USE_HYBRID_HPG) set(_GLFW_USE_HYBRID_HPG 1) endif() endif() #-------------------------------------------------------------------- # Use X11 for window creation #-------------------------------------------------------------------- if (_GLFW_X11) find_package(X11 REQUIRED) list(APPEND glfw_PKG_DEPS "x11") # Set up library and include paths list(APPEND glfw_INCLUDE_DIRS "${X11_X11_INCLUDE_PATH}") list(APPEND glfw_LIBRARIES "${X11_X11_LIB}" "${CMAKE_THREAD_LIBS_INIT}") # Check for XRandR (modern resolution switching and gamma control) if (NOT X11_Xrandr_FOUND) message(FATAL_ERROR "The RandR library and headers were not found") endif() list(APPEND glfw_INCLUDE_DIRS "${X11_Xrandr_INCLUDE_PATH}") list(APPEND glfw_LIBRARIES "${X11_Xrandr_LIB}") list(APPEND glfw_PKG_DEPS "xrandr") # Check for Xinerama (legacy multi-monitor support) if (NOT X11_Xinerama_FOUND) message(FATAL_ERROR "The Xinerama library and headers were not found") endif() list(APPEND glfw_INCLUDE_DIRS "${X11_Xinerama_INCLUDE_PATH}") list(APPEND glfw_LIBRARIES "${X11_Xinerama_LIB}") list(APPEND glfw_PKG_DEPS "xinerama") # Check for Xf86VidMode (fallback gamma control) if (X11_xf86vmode_FOUND) list(APPEND glfw_INCLUDE_DIRS "${X11_xf86vmode_INCLUDE_PATH}") list(APPEND glfw_PKG_DEPS "xxf86vm") if (X11_Xxf86vm_LIB) list(APPEND glfw_LIBRARIES "${X11_Xxf86vm_LIB}") else() # Backwards compatibility (see CMake bug 0006976) list(APPEND glfw_LIBRARIES Xxf86vm) endif() set(_GLFW_HAS_XF86VM TRUE) endif() # Check for Xkb (X keyboard extension) if (NOT X11_Xkb_FOUND) message(FATAL_ERROR "The X keyboard extension headers were not found") endif() list(APPEND glfw_INCLUDE_DIR "${X11_Xkb_INCLUDE_PATH}") # Check for Xcursor if (NOT X11_Xcursor_FOUND) message(FATAL_ERROR "The Xcursor libraries and headers were not found") endif() list(APPEND glfw_INCLUDE_DIR "${X11_Xcursor_INCLUDE_PATH}") list(APPEND glfw_LIBRARIES "${X11_Xcursor_LIB}") list(APPEND glfw_PKG_DEPS "xcursor") endif() #-------------------------------------------------------------------- # Use Wayland for window creation #-------------------------------------------------------------------- if (_GLFW_WAYLAND) find_package(ECM REQUIRED NO_MODULE) set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${ECM_MODULE_PATH}) find_package(Wayland REQUIRED) find_package(WaylandScanner REQUIRED) find_package(WaylandProtocols 1.1 REQUIRED) list(APPEND glfw_PKG_DEPS "wayland-egl") list(APPEND glfw_INCLUDE_DIRS "${Wayland_INCLUDE_DIR}") list(APPEND glfw_LIBRARIES "${Wayland_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT}") find_package(XKBCommon REQUIRED) list(APPEND glfw_PKG_DEPS "xkbcommon") list(APPEND glfw_INCLUDE_DIRS "${XKBCOMMON_INCLUDE_DIRS}") list(APPEND glfw_LIBRARIES "${XKBCOMMON_LIBRARY}") endif() #-------------------------------------------------------------------- # Use Mir for window creation #-------------------------------------------------------------------- if (_GLFW_MIR) find_package(Mir REQUIRED) list(APPEND glfw_PKG_DEPS "mirclient") list(APPEND glfw_INCLUDE_DIRS "${MIR_INCLUDE_DIR}") list(APPEND glfw_LIBRARIES "${MIR_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT}") find_package(XKBCommon REQUIRED) list(APPEND glfw_PKG_DEPS "xkbcommon") list(APPEND glfw_INCLUDE_DIRS "${XKBCOMMON_INCLUDE_DIRS}") list(APPEND glfw_LIBRARIES "${XKBCOMMON_LIBRARY}") endif() #-------------------------------------------------------------------- # Use Cocoa for window creation and NSOpenGL for context creation #-------------------------------------------------------------------- if (_GLFW_COCOA AND _GLFW_NSGL) if (GLFW_USE_MENUBAR) set(_GLFW_USE_MENUBAR 1) endif() if (GLFW_USE_CHDIR) set(_GLFW_USE_CHDIR 1) endif() if (GLFW_USE_RETINA) set(_GLFW_USE_RETINA 1) endif() # Set up library and include paths find_library(COCOA_FRAMEWORK Cocoa) find_library(IOKIT_FRAMEWORK IOKit) find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation) find_library(CORE_VIDEO_FRAMEWORK CoreVideo) find_library(CARBON_FRAMEWORK Carbon) mark_as_advanced(COCOA_FRAMEWORK IOKIT_FRAMEWORK CORE_FOUNDATION_FRAMEWORK CORE_VIDEO_FRAMEWORK CARBON_FRAMEWORK) list(APPEND glfw_LIBRARIES "${COCOA_FRAMEWORK}" "${IOKIT_FRAMEWORK}" "${CORE_FOUNDATION_FRAMEWORK}" "${CORE_VIDEO_FRAMEWORK}" "${CARBON_FRAMEWORK}") set(glfw_PKG_DEPS "") set(glfw_PKG_LIBS "-framework Cocoa -framework IOKit -framework CoreFoundation -framework CoreVideo -framework Carbon") endif() #-------------------------------------------------------------------- # Export GLFW library dependencies #-------------------------------------------------------------------- foreach(arg ${glfw_PKG_DEPS}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} ${arg}") endforeach() foreach(arg ${glfw_PKG_LIBS}) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} ${arg}") endforeach() #-------------------------------------------------------------------- # Create generated files #-------------------------------------------------------------------- include(CMakePackageConfigHelpers) set(GLFW_CONFIG_PATH "lib${LIB_SUFFIX}/cmake/glfw3") configure_package_config_file(src/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 ${GLFW_VERSION_FULL} COMPATIBILITY SameMajorVersion) if (GLFW_BUILD_DOCS) configure_file(docs/Doxyfile.in docs/Doxyfile @ONLY) endif() configure_file(src/glfw_config.h.in src/glfw_config.h @ONLY) configure_file(src/glfw3.pc.in src/glfw3.pc @ONLY) #-------------------------------------------------------------------- # Add subdirectories #-------------------------------------------------------------------- add_subdirectory(src) if (GLFW_BUILD_EXAMPLES) add_subdirectory(examples) endif() if (GLFW_BUILD_TESTS) add_subdirectory(tests) endif() if (DOXYGEN_FOUND AND GLFW_BUILD_DOCS) add_subdirectory(docs) endif() #-------------------------------------------------------------------- # Install files other than the library # The library is installed by src/CMakeLists.txt #-------------------------------------------------------------------- if (GLFW_INSTALL) install(DIRECTORY include/GLFW DESTINATION include FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h) install(FILES "${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 "lib${LIB_SUFFIX}/pkgconfig") # Only generate this target if no higher-level project already has if (NOT TARGET uninstall) configure_file(cmake_uninstall.cmake.in cmake_uninstall.cmake IMMEDIATE @ONLY) add_custom_target(uninstall "${CMAKE_COMMAND}" -P "${GLFW_BINARY_DIR}/cmake_uninstall.cmake") endif() endif()