project(GLFW C) cmake_minimum_required(VERSION 2.8) set(GLFW_VERSION_MAJOR "3") set(GLFW_VERSION_MINOR "0") 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}${GLFW_VERSION_EXTRA}") set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64") option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON) option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON) option(BUILD_SHARED_LIBS "Build shared libraries" OFF) option(GLFW_DOCUMENT_INTERNALS "Include documentation of internal functions" OFF) set(GLFW_DOC_HEADERS "${GLFW_SOURCE_DIR}/include/GL/glfw3.h ${GLFW_SOURCE_DIR}/include/GL/glfw3native.h") if (GLFW_DOCUMENT_INTERNALS) set(GLFW_DOC_HEADERS "${GLFW_DOC_HEADERS} ${GLFW_SOURCE_DIR}/src/internal.h") endif() if (APPLE) option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON) option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON) else() option(GLFW_USE_EGL "Use EGL for context creation" OFF) endif() if (GLFW_USE_EGL) set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING "The client library to use; one of opengl, glesv1 or glesv2") if (${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) #-------------------------------------------------------------------- # Enable all warnings on GCC, regardless of OS #-------------------------------------------------------------------- if (CMAKE_COMPILER_IS_GNUCC) add_definitions(-Wall) endif() #-------------------------------------------------------------------- # Export shared library / dynamic library / DLL build option #-------------------------------------------------------------------- if (BUILD_SHARED_LIBS) set(_GLFW_BUILD_DLL 1) 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) set(_GLFW_X11 1) message(STATUS "Using X11 for window creation") 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) if (MSVC) option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON) 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() set(_GLFW_NO_DLOAD_WINMM ${BUILD_SHARED_LIBS}) if (BUILD_SHARED_LIBS) list(APPEND glfw_LIBRARIES winmm) endif() endif() #-------------------------------------------------------------------- # Use WGL for context creation #-------------------------------------------------------------------- if (_GLFW_WGL) 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}) # 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 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") # NOTE: This is a workaround for CMake bug 0006976 (missing # X11_xf86vmode_LIB variable) if (X11_xf86vmode_LIB) list(APPEND glfw_LIBRARIES ${X11_xf86vmode_LIB}) else() 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() 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) if (NOT _GLFW_HAS_GLXGETPROCADDRESS) check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB) endif() if (NOT _GLFW_HAS_GLXGETPROCADDRESS AND NOT _GLFW_HAS_GLXGETPROCADDRESSARB) check_function_exists(glXGetProcAddressEXT _GLFW_HAS_GLXGETPROCADDRESSEXT) endif() 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 find_library(DL_LIBRARY dl) mark_as_advanced(DL_LIBRARY) if (DL_LIBRARY) set(CMAKE_REQUIRED_LIBRARIES ${DL_LIBRARY}) else() set(CMAKE_REQUIRED_LIBRARIES "") endif() check_function_exists(dlopen _GLFW_HAS_DLOPEN) if (NOT _GLFW_HAS_DLOPEN) message(FATAL_ERROR "No entry point retrieval mechanism found") endif() if (DL_LIBRARY) list(APPEND glfw_LIBRARIES ${DL_LIBRARY}) set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -ldl") 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(CMAKE_REQUIRED_LIBRARIES ${EGL_LIBRARY}) if (UNIX) set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl") endif() 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) option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF) if (GLFW_USE_MENUBAR) set(_GLFW_USE_MENUBAR 1) endif() if (GLFW_USE_CHDIR) set(_GLFW_USE_CHDIR 1) endif() # Universal build 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) list(APPEND glfw_LIBRARIES ${COCOA_FRAMEWORK} ${OPENGL_gl_LIBRARY} ${IOKIT_FRAMEWORK} ${CORE_FOUNDATION_FRAMEWORK}) set(GLFW_PKG_DEPS "") set(GLFW_PKG_LIBS "-framework Cocoa -framework OpenGL -framework IOKit -framework CoreFoundation") endif() #-------------------------------------------------------------------- # Export GLFW library dependencies #-------------------------------------------------------------------- set(GLFW_LIBRARIES ${glfw_LIBRARIES} CACHE STRING "Dependencies of GLFW") #-------------------------------------------------------------------- # Choose library output name #-------------------------------------------------------------------- if (BUILD_SHARED_LIBS AND UNIX) # On Unix-like systems, shared libraries can use the soname system. set(GLFW_LIB_NAME glfw) else() set(GLFW_LIB_NAME glfw3) endif() #-------------------------------------------------------------------- # Add subdirectories #-------------------------------------------------------------------- add_subdirectory(src) if (GLFW_BUILD_EXAMPLES) add_subdirectory(examples) endif() if (GLFW_BUILD_TESTS) add_subdirectory(tests) endif() #-------------------------------------------------------------------- # Create generated files #-------------------------------------------------------------------- configure_file(${GLFW_SOURCE_DIR}/docs/Doxyfile.in ${GLFW_BINARY_DIR}/docs/Doxyfile @ONLY) configure_file(${GLFW_SOURCE_DIR}/src/config.h.in ${GLFW_BINARY_DIR}/src/config.h @ONLY) #-------------------------------------------------------------------- # Install the public headers # The src directory's CMakeLists.txt file installs the library #-------------------------------------------------------------------- install(DIRECTORY include/GL DESTINATION include FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h) #-------------------------------------------------------------------- # Create and install pkg-config file on supported platforms #-------------------------------------------------------------------- if (UNIX) configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in ${GLFW_BINARY_DIR}/src/glfw3.pc @ONLY) install(FILES ${GLFW_BINARY_DIR}/src/glfw3.pc DESTINATION lib${LIB_SUFFIX}/pkgconfig) endif() #-------------------------------------------------------------------- # Uninstall operation # Don't generate this target if a 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()