project(GLFW C) cmake_minimum_required(VERSION 2.8) set(GLFW_VERSION_MAJOR "3") set(GLFW_VERSION_MINOR "1") 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}${GLFW_VERSION_EXTRA}") set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64") option(BUILD_SHARED_LIBS "Build shared libraries" OFF) option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON) option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON) option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON) option(GLFW_INSTALL "Generate installation target" ON) option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF) if (WIN32) option(GLFW_USE_DWM_SWAP_INTERVAL "Set swap interval even when DWM compositing is enabled" OFF) option(GLFW_USE_OPTIMUS_HPG "Force use of high-performance GPU on Optimus systems" OFF) endif() if (APPLE) option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF) option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON) option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON) option(GLFW_USE_RETINA "Use the full resolution of Retina displays" ON) else() option(GLFW_USE_EGL "Use EGL for context creation" OFF) endif() if (UNIX AND NOT APPLE) option(GLFW_USE_WAYLAND "Use Wayland for context creation (implies EGL as well)" OFF) endif() if (MSVC) option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON) endif() if (BUILD_SHARED_LIBS) set(_GLFW_BUILD_DLL 1) endif() if (GLFW_USE_WAYLAND) set(GLFW_USE_EGL ON) endif() if (GLFW_USE_EGL) set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING "The client library to use; one of opengl, glesv1 or glesv2") if (${GLFW_CLIENT_LIBRARY} STREQUAL "opengl") set(_GLFW_USE_OPENGL 1) elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv1") set(_GLFW_USE_GLESV1 1) elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv2") set(_GLFW_USE_GLESV2 1) else() message(FATAL_ERROR "Unsupported client library") endif() set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMake/modules) find_package(EGL REQUIRED) if (NOT _GLFW_USE_OPENGL) set(GLFW_BUILD_EXAMPLES OFF) set(GLFW_BUILD_TESTS OFF) message(STATUS "NOTE: Examples and tests require OpenGL") endif() else() set(_GLFW_USE_OPENGL 1) endif() if (_GLFW_USE_OPENGL) find_package(OpenGL REQUIRED) elseif (_GLFW_USE_GLESV1) find_package(GLESv1 REQUIRED) elseif (_GLFW_USE_GLESV2) find_package(GLESv2 REQUIRED) endif() find_package(Threads REQUIRED) if (GLFW_BUILD_DOCS) set(DOXYGEN_SKIP_DOT TRUE) find_package(Doxygen) if (GLFW_DOCUMENT_INTERNALS) set(GLFW_INTERNAL_DOCS "${GLFW_SOURCE_DIR}/src/internal.h ${GLFW_SOURCE_DIR}/docs/internal.dox") endif() endif() #-------------------------------------------------------------------- # Set compiler specific flags #-------------------------------------------------------------------- if (UNIX) add_definitions(-Wall) if (BUILD_SHARED_LIBS) add_definitions(-fvisibility=hidden) endif() endif() if (MSVC) add_definitions(-D_CRT_SECURE_NO_WARNINGS) if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL) foreach (flag CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO) if (${flag} MATCHES "/MD") string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}") endif() if (${flag} MATCHES "/MDd") string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}") endif() endforeach() endif() endif() #-------------------------------------------------------------------- # Detect and select backend APIs #-------------------------------------------------------------------- if (WIN32) set(_GLFW_WIN32 1) message(STATUS "Using Win32 for window creation") if (GLFW_USE_EGL) set(_GLFW_EGL 1) message(STATUS "Using EGL for context creation") else() set(_GLFW_WGL 1) message(STATUS "Using WGL for context creation") endif() elseif (APPLE) set(_GLFW_COCOA 1) message(STATUS "Using Cocoa for window creation") set(_GLFW_NSGL 1) message(STATUS "Using NSGL for context creation") elseif (UNIX) if (GLFW_USE_WAYLAND) set(_GLFW_WAYLAND 1) message(STATUS "Using Wayland for window creation") else() set(_GLFW_X11 1) message(STATUS "Using X11 for window creation") endif() if (GLFW_USE_EGL) set(_GLFW_EGL 1) message(STATUS "Using EGL for context creation") else() set(_GLFW_GLX 1) message(STATUS "Using GLX for context creation") endif() else() message(FATAL_ERROR "No supported platform was detected") endif() #-------------------------------------------------------------------- # Use Win32 for window creation #-------------------------------------------------------------------- if (_GLFW_WIN32) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lgdi32 -lwinmm") # The DLL links against winmm; the static library loads it # That way, both code paths receive testing if (BUILD_SHARED_LIBS) set(_GLFW_NO_DLOAD_WINMM 1) list(APPEND glfw_LIBRARIES winmm) endif() if (GLFW_USE_DWM_SWAP_INTERVAL) set(_GLFW_USE_DWM_SWAP_INTERVAL 1) endif() if (GLFW_USE_OPTIMUS_HPG) set(_GLFW_USE_OPTIMUS_HPG 1) endif() # HACK: When building on MinGW, WINVER and UNICODE need to be defined before # the inclusion of stddef.h (by glfw3.h), which is itself included before # win32_platform.h. We define them here until a saner solution can be found # NOTE: MinGW-w64 and Visual C++ do /not/ need this hack. if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU") add_definitions(-DUNICODE -DWINVER=0x0501) endif() endif() #-------------------------------------------------------------------- # Use WGL for context creation #-------------------------------------------------------------------- if (_GLFW_WGL) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lopengl32") list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR}) list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY}) endif() #-------------------------------------------------------------------- # Use X11 for window creation #-------------------------------------------------------------------- if (_GLFW_X11) find_package(X11 REQUIRED) set(GLFW_PKG_DEPS "${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}) if (UNIX AND NOT APPLE) list(APPEND glfw_LIBRARIES ${RT_LIBRARY}) endif() # 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 ${X11_Xrandr_LIB}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr") # Check for XInput (high-resolution cursor motion) if (NOT X11_Xinput_FOUND) message(FATAL_ERROR "The XInput library and headers were not found") endif() list(APPEND glfw_INCLUDE_DIRS ${X11_Xinput_INCLUDE_PATH}) if (X11_Xinput_LIB) list(APPEND glfw_LIBRARIES ${X11_Xinput_LIB}) else() # Backwards compatibility (bug in CMake 2.8.7) list(APPEND glfw_LIBRARIES Xi) endif() set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xi") # Check for Xf86VidMode (fallback gamma control) if (NOT X11_xf86vmode_FOUND) message(FATAL_ERROR "The Xf86VidMode library and headers were not found") endif() list(APPEND glfw_INCLUDE_DIRS ${X11_xf86vmode_INCLUDE_PATH}) set(GLFW_PKG_DEPS "${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() # 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}) find_library(RT_LIBRARY rt) mark_as_advanced(RT_LIBRARY) if (RT_LIBRARY) list(APPEND glfw_LIBRARIES ${RT_LIBRARY}) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lrt") endif() find_library(MATH_LIBRARY m) mark_as_advanced(MATH_LIBRARY) if (MATH_LIBRARY) list(APPEND glfw_LIBRARIES ${MATH_LIBRARY}) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm") endif() # 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 ${X11_Xcursor_LIB}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xcursor") endif() #-------------------------------------------------------------------- # Use Wayland for window creation #-------------------------------------------------------------------- if (_GLFW_WAYLAND) find_package(Wayland REQUIRED) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} wayland") list(APPEND glfw_INCLUDE_DIRS ${WAYLAND_INCLUDE_DIR}) list(APPEND glfw_LIBRARIES ${WAYLAND_LIBRARIES}) find_library(MATH_LIBRARY m) mark_as_advanced(MATH_LIBRARY) if (MATH_LIBRARY) list(APPEND glfw_LIBRARIES ${MATH_LIBRARY}) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm") endif() endif() #-------------------------------------------------------------------- # Use GLX for context creation #-------------------------------------------------------------------- if (_GLFW_GLX) list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR}) list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl") include(CheckFunctionExists) set(CMAKE_REQUIRED_LIBRARIES ${OPENGL_gl_LIBRARY}) check_function_exists(glXGetProcAddress _GLFW_HAS_GLXGETPROCADDRESS) check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB) check_function_exists(glXGetProcAddressEXT _GLFW_HAS_GLXGETPROCADDRESSEXT) if (NOT _GLFW_HAS_GLXGETPROCADDRESS AND NOT _GLFW_HAS_GLXGETPROCADDRESSARB AND NOT _GLFW_HAS_GLXGETPROCADDRESSEXT) message(WARNING "No glXGetProcAddressXXX variant found") # Check for dlopen support as a fallback set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_DL_LIBS}) check_function_exists(dlopen _GLFW_HAS_DLOPEN) if (NOT _GLFW_HAS_DLOPEN) message(FATAL_ERROR "No entry point retrieval mechanism found") endif() if (CMAKE_DL_LIBS) list(APPEND glfw_LIBRARIES ${CMAKE_DL_LIBS}) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -l${CMAKE_DL_LIBS}") endif() endif() endif() #-------------------------------------------------------------------- # Use EGL for context creation #-------------------------------------------------------------------- if (_GLFW_EGL) list(APPEND glfw_INCLUDE_DIRS ${EGL_INCLUDE_DIR}) list(APPEND glfw_LIBRARIES ${EGL_LIBRARY}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl") if (_GLFW_USE_OPENGL) list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY}) list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl") elseif (_GLFW_USE_GLESV1) list(APPEND glfw_LIBRARIES ${GLESv1_LIBRARY}) list(APPEND glfw_INCLUDE_DIRS ${GLESv1_INCLUDE_DIR}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv1_cm") elseif (_GLFW_USE_GLESV2) list(APPEND glfw_LIBRARIES ${GLESv2_LIBRARY}) list(APPEND glfw_INCLUDE_DIRS ${GLESv2_INCLUDE_DIR}) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv2") endif() 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() if (GLFW_BUILD_UNIVERSAL) message(STATUS "Building GLFW as Universal Binaries") set(CMAKE_OSX_ARCHITECTURES i386;x86_64) else() message(STATUS "Building GLFW only for the native architecture") 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) list(APPEND glfw_LIBRARIES ${COCOA_FRAMEWORK} ${OPENGL_gl_LIBRARY} ${IOKIT_FRAMEWORK} ${CORE_FOUNDATION_FRAMEWORK} ${CORE_VIDEO_FRAMEWORK}) set(GLFW_PKG_DEPS "") set(GLFW_PKG_LIBS "-framework Cocoa -framework OpenGL -framework IOKit -framework CoreFoundation -framework CoreVideo") endif() #-------------------------------------------------------------------- # Export GLFW library dependencies #-------------------------------------------------------------------- set(GLFW_LIBRARIES ${glfw_LIBRARIES} CACHE STRING "Dependencies of GLFW") #-------------------------------------------------------------------- # Choose library output name #-------------------------------------------------------------------- if (BUILD_SHARED_LIBS AND UNIX) # On Unix-like systems, shared libraries can use the soname system. set(GLFW_LIB_NAME glfw) else() set(GLFW_LIB_NAME glfw3) endif() #-------------------------------------------------------------------- # Create generated files #-------------------------------------------------------------------- configure_file(${GLFW_SOURCE_DIR}/docs/Doxyfile.in ${GLFW_BINARY_DIR}/docs/Doxyfile @ONLY) configure_file(${GLFW_SOURCE_DIR}/src/glfw_config.h.in ${GLFW_BINARY_DIR}/src/glfw_config.h @ONLY) configure_file(${GLFW_SOURCE_DIR}/src/glfwConfig.cmake.in ${GLFW_BINARY_DIR}/src/glfwConfig.cmake @ONLY) configure_file(${GLFW_SOURCE_DIR}/src/glfwConfigVersion.cmake.in ${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake @ONLY) configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in ${GLFW_BINARY_DIR}/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/glfwConfig.cmake ${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake DESTINATION lib${LIB_SUFFIX}/cmake/glfw) install(EXPORT glfwTargets DESTINATION lib${LIB_SUFFIX}/cmake/glfw) 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(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in ${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY) add_custom_target(uninstall ${CMAKE_COMMAND} -P ${GLFW_BINARY_DIR}/cmake_uninstall.cmake) endif() endif()