add_library(glfw ${GLFW_LIBRARY_TYPE} "${GLFW_SOURCE_DIR}/include/GLFW/glfw3.h" "${GLFW_SOURCE_DIR}/include/GLFW/glfw3native.h" internal.h platform.h mappings.h context.c init.c input.c monitor.c platform.c vulkan.c window.c egl_context.c osmesa_context.c null_platform.h null_joystick.h null_init.c null_monitor.c null_window.c null_joystick.c) # The time, thread and module code is shared between all backends on a given OS, # including the null backend, which still needs those bits to be functional if (APPLE) target_sources(glfw PRIVATE cocoa_time.h cocoa_time.c posix_thread.h posix_module.c posix_thread.c) elseif (WIN32) target_sources(glfw PRIVATE win32_time.h win32_thread.h win32_module.c win32_time.c win32_thread.c) else() target_sources(glfw PRIVATE posix_time.h posix_thread.h posix_module.c posix_time.c posix_thread.c) endif() add_custom_target(update_mappings COMMAND "${CMAKE_COMMAND}" -P "${GLFW_SOURCE_DIR}/CMake/GenerateMappings.cmake" mappings.h.in mappings.h WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" COMMENT "Updating gamepad mappings from upstream repository" SOURCES mappings.h.in "${GLFW_SOURCE_DIR}/CMake/GenerateMappings.cmake" VERBATIM) set_target_properties(update_mappings PROPERTIES FOLDER "GLFW3") if (GLFW_BUILD_COCOA) target_compile_definitions(glfw PRIVATE _GLFW_COCOA) target_sources(glfw PRIVATE cocoa_platform.h cocoa_joystick.h cocoa_init.m cocoa_joystick.m cocoa_monitor.m cocoa_window.m nsgl_context.m) endif() if (GLFW_BUILD_WIN32) target_compile_definitions(glfw PRIVATE _GLFW_WIN32) target_sources(glfw PRIVATE win32_platform.h win32_joystick.h win32_init.c win32_joystick.c win32_monitor.c win32_window.c wgl_context.c) endif() if (GLFW_BUILD_X11) target_compile_definitions(glfw PRIVATE _GLFW_X11) target_sources(glfw PRIVATE x11_platform.h xkb_unicode.h x11_init.c x11_monitor.c x11_window.c xkb_unicode.c glx_context.c) endif() if (GLFW_BUILD_WAYLAND) target_compile_definitions(glfw PRIVATE _GLFW_WAYLAND) target_sources(glfw PRIVATE wl_platform.h xkb_unicode.h wl_init.c wl_monitor.c wl_window.c xkb_unicode.c) endif() if (GLFW_BUILD_X11 OR GLFW_BUILD_WAYLAND) if (CMAKE_SYSTEM_NAME STREQUAL "Linux") target_sources(glfw PRIVATE linux_joystick.h linux_joystick.c) endif() endif() if (GLFW_BUILD_WAYLAND) include(CheckIncludeFiles) include(CheckFunctionExists) check_include_files(xkbcommon/xkbcommon-compose.h HAVE_XKBCOMMON_COMPOSE_H) if (HAVE_XKBCOMMON_COMPOSE_H) target_compile_definitions(glfw PRIVATE HAVE_XKBCOMMON_COMPOSE_H) endif() check_function_exists(memfd_create HAVE_MEMFD_CREATE) if (HAVE_MEMFD_CREATE) target_compile_definitions(glfw PRIVATE HAVE_MEMFD_CREATE) endif() find_program(WAYLAND_SCANNER_EXECUTABLE NAMES wayland-scanner) include(FindPkgConfig) pkg_check_modules(WAYLAND_PROTOCOLS REQUIRED wayland-protocols>=1.15) pkg_get_variable(WAYLAND_PROTOCOLS_BASE wayland-protocols pkgdatadir) pkg_get_variable(WAYLAND_CLIENT_PKGDATADIR wayland-client pkgdatadir) macro(wayland_generate protocol_file output_file) add_custom_command(OUTPUT "${output_file}.h" COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" client-header "${protocol_file}" "${output_file}.h" DEPENDS "${protocol_file}" VERBATIM) add_custom_command(OUTPUT "${output_file}-code.h" COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" private-code "${protocol_file}" "${output_file}-code.h" DEPENDS "${protocol_file}" VERBATIM) target_sources(glfw PRIVATE "${output_file}.h" "${output_file}-code.h") endmacro() wayland_generate( "${WAYLAND_CLIENT_PKGDATADIR}/wayland.xml" "${GLFW_BINARY_DIR}/src/wayland-client-protocol") wayland_generate( "${WAYLAND_PROTOCOLS_BASE}/stable/xdg-shell/xdg-shell.xml" "${GLFW_BINARY_DIR}/src/wayland-xdg-shell-client-protocol") wayland_generate( "${WAYLAND_PROTOCOLS_BASE}/unstable/xdg-decoration/xdg-decoration-unstable-v1.xml" "${GLFW_BINARY_DIR}/src/wayland-xdg-decoration-client-protocol") wayland_generate( "${WAYLAND_PROTOCOLS_BASE}/stable/viewporter/viewporter.xml" "${GLFW_BINARY_DIR}/src/wayland-viewporter-client-protocol") wayland_generate( "${WAYLAND_PROTOCOLS_BASE}/unstable/relative-pointer/relative-pointer-unstable-v1.xml" "${GLFW_BINARY_DIR}/src/wayland-relative-pointer-unstable-v1-client-protocol") wayland_generate( "${WAYLAND_PROTOCOLS_BASE}/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml" "${GLFW_BINARY_DIR}/src/wayland-pointer-constraints-unstable-v1-client-protocol") wayland_generate( "${WAYLAND_PROTOCOLS_BASE}/unstable/idle-inhibit/idle-inhibit-unstable-v1.xml" "${GLFW_BINARY_DIR}/src/wayland-idle-inhibit-unstable-v1-client-protocol") endif() if (WIN32 AND GLFW_BUILD_SHARED_LIBRARY) configure_file(glfw.rc.in glfw.rc @ONLY) target_sources(glfw PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/glfw.rc") endif() if (UNIX AND GLFW_BUILD_SHARED_LIBRARY) # On Unix-like systems, shared libraries can use the soname system. set(GLFW_LIB_NAME glfw) else() set(GLFW_LIB_NAME glfw3) endif() set_target_properties(glfw PROPERTIES OUTPUT_NAME ${GLFW_LIB_NAME} VERSION ${GLFW_VERSION_MAJOR}.${GLFW_VERSION_MINOR} SOVERSION ${GLFW_VERSION_MAJOR} POSITION_INDEPENDENT_CODE ON C_STANDARD 99 C_EXTENSIONS OFF DEFINE_SYMBOL _GLFW_BUILD_DLL FOLDER "GLFW3") target_include_directories(glfw PUBLIC "$" "$") target_include_directories(glfw PRIVATE "${GLFW_SOURCE_DIR}/src" "${GLFW_BINARY_DIR}/src") target_link_libraries(glfw PRIVATE Threads::Threads) # Workaround for CMake not knowing about .m files before version 3.16 if (CMAKE_VERSION VERSION_LESS "3.16" AND APPLE) set_source_files_properties(cocoa_init.m cocoa_joystick.m cocoa_monitor.m cocoa_window.m nsgl_context.m PROPERTIES LANGUAGE C) endif() if (GLFW_BUILD_WIN32) list(APPEND glfw_PKG_LIBS "-lgdi32") endif() if (GLFW_BUILD_COCOA) target_link_libraries(glfw PRIVATE "-framework Cocoa" "-framework IOKit" "-framework CoreFoundation") set(glfw_PKG_DEPS "") set(glfw_PKG_LIBS "-framework Cocoa -framework IOKit -framework CoreFoundation") endif() if (GLFW_BUILD_WAYLAND) pkg_check_modules(Wayland REQUIRED wayland-client>=0.2.7 wayland-cursor>=0.2.7 wayland-egl>=0.2.7 xkbcommon) target_include_directories(glfw PRIVATE ${Wayland_INCLUDE_DIRS}) if (NOT CMAKE_SYSTEM_NAME STREQUAL "Linux") find_package(EpollShim) if (EPOLLSHIM_FOUND) target_include_directories(glfw PRIVATE ${EPOLLSHIM_INCLUDE_DIRS}) target_link_libraries(glfw PRIVATE ${EPOLLSHIM_LIBRARIES}) endif() endif() endif() if (GLFW_BUILD_X11) find_package(X11 REQUIRED) target_include_directories(glfw PRIVATE "${X11_X11_INCLUDE_PATH}") # Check for XRandR (modern resolution switching and gamma control) if (NOT X11_Xrandr_INCLUDE_PATH) message(FATAL_ERROR "RandR headers not found; install libxrandr development package") endif() # Check for Xinerama (legacy multi-monitor support) if (NOT X11_Xinerama_INCLUDE_PATH) message(FATAL_ERROR "Xinerama headers not found; install libxinerama development package") endif() # Check for Xkb (X keyboard extension) if (NOT X11_Xkb_INCLUDE_PATH) message(FATAL_ERROR "XKB headers not found; install X11 development package") endif() # Check for Xcursor (cursor creation from RGBA images) if (NOT X11_Xcursor_INCLUDE_PATH) message(FATAL_ERROR "Xcursor headers not found; install libxcursor development package") endif() # Check for XInput (modern HID input) if (NOT X11_Xi_INCLUDE_PATH) message(FATAL_ERROR "XInput headers not found; install libxi development package") endif() # Check for X Shape (custom window input shape) if (NOT X11_Xshape_INCLUDE_PATH) message(FATAL_ERROR "X Shape headers not found; install libxext development package") endif() endif() if (UNIX AND NOT APPLE) find_library(RT_LIBRARY rt) mark_as_advanced(RT_LIBRARY) if (RT_LIBRARY) target_link_libraries(glfw PRIVATE "${RT_LIBRARY}") list(APPEND glfw_PKG_LIBS "-lrt") endif() find_library(MATH_LIBRARY m) mark_as_advanced(MATH_LIBRARY) if (MATH_LIBRARY) target_link_libraries(glfw PRIVATE "${MATH_LIBRARY}") list(APPEND glfw_PKG_LIBS "-lm") endif() if (CMAKE_DL_LIBS) target_link_libraries(glfw PRIVATE "${CMAKE_DL_LIBS}") list(APPEND glfw_PKG_LIBS "-l${CMAKE_DL_LIBS}") endif() endif() # Make GCC warn about declarations that VS 2010 and 2012 won't accept for all # source files that VS will build (Clang ignores this because we set -std=c99) if (CMAKE_C_COMPILER_ID STREQUAL "GNU") set_source_files_properties(context.c init.c input.c monitor.c platform.c vulkan.c window.c null_init.c null_joystick.c null_monitor.c null_window.c win32_init.c win32_joystick.c win32_module.c win32_monitor.c win32_time.c win32_thread.c win32_window.c wgl_context.c egl_context.c osmesa_context.c PROPERTIES COMPILE_FLAGS -Wdeclaration-after-statement) endif() if (WIN32) if (GLFW_USE_HYBRID_HPG) target_compile_definitions(glfw PRIVATE _GLFW_USE_HYBRID_HPG) endif() endif() # Enable a reasonable set of warnings # NOTE: The order matters here, Clang-CL matches both MSVC and Clang if (MSVC) target_compile_options(glfw PRIVATE "/W3") elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang") target_compile_options(glfw PRIVATE "-Wall") endif() if (GLFW_BUILD_WIN32) target_compile_definitions(glfw PRIVATE UNICODE _UNICODE) 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 (MINGW) target_compile_definitions(glfw PRIVATE WINVER=0x0501) endif() # Workaround for legacy MinGW not providing XInput and DirectInput if (MINGW) include(CheckIncludeFile) check_include_file(dinput.h DINPUT_H_FOUND) check_include_file(xinput.h XINPUT_H_FOUND) if (NOT DINPUT_H_FOUND OR NOT XINPUT_H_FOUND) target_include_directories(glfw PRIVATE "${GLFW_SOURCE_DIR}/deps/mingw") endif() endif() # Workaround for the MS CRT deprecating parts of the standard library if (MSVC OR CMAKE_C_SIMULATE_ID STREQUAL "MSVC") target_compile_definitions(glfw PRIVATE _CRT_SECURE_NO_WARNINGS) endif() # Workaround for VS 2008 not shipping with stdint.h if (MSVC90) target_include_directories(glfw PUBLIC "${GLFW_SOURCE_DIR}/deps/vs2008") endif() # Check for the DirectX 9 SDK as it is not included with VS 2008 if (MSVC90) include(CheckIncludeFile) check_include_file(dinput.h DINPUT_H_FOUND) if (NOT DINPUT_H_FOUND) message(FATAL_ERROR "DirectX 9 headers not found; install DirectX 9 SDK") endif() endif() # Workaround for -std=c99 on Linux disabling _DEFAULT_SOURCE (POSIX 2008 and more) if (GLFW_BUILD_X11 OR GLFW_BUILD_WAYLAND) if (CMAKE_SYSTEM_NAME STREQUAL "Linux") target_compile_definitions(glfw PRIVATE _DEFAULT_SOURCE) endif() endif() if (GLFW_BUILD_SHARED_LIBRARY) if (WIN32) if (MINGW) # Remove the dependency on the shared version of libgcc # NOTE: MinGW-w64 has the correct default but MinGW needs this target_link_libraries(glfw PRIVATE "-static-libgcc") # Remove the lib prefix on the DLL (but not the import library) set_target_properties(glfw PROPERTIES PREFIX "") # Add a suffix to the import library to avoid naming conflicts set_target_properties(glfw PROPERTIES IMPORT_SUFFIX "dll.a") else() # Add a suffix to the import library to avoid naming conflicts set_target_properties(glfw PROPERTIES IMPORT_SUFFIX "dll.lib") endif() target_compile_definitions(glfw INTERFACE GLFW_DLL) 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) target_link_libraries(glfw PRIVATE "-Wl,--nxcompat") 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) target_link_libraries(glfw PRIVATE "-Wl,--dynamicbase") 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) target_link_libraries(glfw PRIVATE "-Wl,--high-entropy-va") endif() # Clear flags again to avoid breaking later tests set(CMAKE_REQUIRED_FLAGS) endif() if (UNIX) # Hide symbols not explicitly tagged for export from the shared library target_compile_options(glfw PRIVATE "-fvisibility=hidden") endif() endif() foreach(arg ${glfw_PKG_DEPS}) string(APPEND deps " ${arg}") endforeach() foreach(arg ${glfw_PKG_LIBS}) string(APPEND libs " ${arg}") endforeach() set(GLFW_PKG_CONFIG_REQUIRES_PRIVATE "${deps}" CACHE INTERNAL "GLFW pkg-config Requires.private") set(GLFW_PKG_CONFIG_LIBS_PRIVATE "${libs}" CACHE INTERNAL "GLFW pkg-config Libs.private") configure_file("${GLFW_SOURCE_DIR}/CMake/glfw3.pc.in" glfw3.pc @ONLY) if (GLFW_INSTALL) install(TARGETS glfw EXPORT glfwTargets RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") endif()