glfw/CMakeLists.txt
Camilla Löwy d7e30b1c74 Replace glad and the Vulkan SDK with glad2
This removes all dependencies from the GLFW test programs on the Vulkan
SDK.

It also removes support for linking the GLFW shared library (dynamic
library, DLL) against the Vulkan loader static library.
2019-04-15 02:45:48 +02:00

372 lines
12 KiB
CMake

cmake_minimum_required(VERSION 3.0)
project(GLFW C)
set(CMAKE_LEGACY_CYGWIN_WIN32 OFF)
if (POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif()
set(GLFW_VERSION_MAJOR "3")
set(GLFW_VERSION_MINOR "3")
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}${GLFW_VERSION_EXTRA}")
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
option(GLFW_INSTALL "Generate installation target" ON)
option(GLFW_VULKAN_STATIC "Assume the Vulkan loader is linked with the application" OFF)
include(GNUInstallDirs)
if (UNIX)
option(GLFW_USE_OSMESA "Use OSMesa for offscreen context creation" OFF)
endif()
if (WIN32)
option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF)
endif()
if (UNIX AND NOT APPLE)
option(GLFW_USE_WAYLAND "Use Wayland for window creation" OFF)
endif()
if (MSVC)
option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
endif()
if (BUILD_SHARED_LIBS)
set(_GLFW_BUILD_DLL 1)
endif()
if (BUILD_SHARED_LIBS AND UNIX)
# On Unix-like systems, shared libraries can use the soname system.
set(GLFW_LIB_NAME glfw)
else()
set(GLFW_LIB_NAME glfw3)
endif()
if (GLFW_VULKAN_STATIC)
if (BUILD_SHARED_LIBS)
# If you absolutely must do this, remove this line and add the Vulkan
# loader static library via the CMAKE_SHARED_LINKER_FLAGS
message(FATAL_ERROR "You are trying to link the Vulkan loader static library into the GLFW shared library")
endif()
set(_GLFW_VULKAN_STATIC 1)
endif()
list(APPEND CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules")
find_package(Threads REQUIRED)
if (GLFW_BUILD_DOCS)
set(DOXYGEN_SKIP_DOT TRUE)
find_package(Doxygen)
endif()
#--------------------------------------------------------------------
# Set compiler specific flags
#--------------------------------------------------------------------
if (MSVC)
if (MSVC90)
# Workaround for VS 2008 not shipping with the DirectX 9 SDK
include(CheckIncludeFile)
check_include_file(dinput.h DINPUT_H_FOUND)
if (NOT DINPUT_H_FOUND)
message(FATAL_ERROR "DirectX 9 SDK not found")
endif()
# Workaround for VS 2008 not shipping with stdint.h
list(APPEND glfw_INCLUDE_DIRS "${GLFW_SOURCE_DIR}/deps/vs2008")
endif()
if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
foreach (flag CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO)
if (${flag} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
endif()
if (${flag} MATCHES "/MDd")
string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
endif()
endforeach()
endif()
endif()
if (MINGW)
# Workaround for legacy MinGW not providing XInput and DirectInput
include(CheckIncludeFile)
check_include_file(dinput.h DINPUT_H_FOUND)
check_include_file(xinput.h XINPUT_H_FOUND)
if (NOT DINPUT_H_FOUND OR NOT XINPUT_H_FOUND)
list(APPEND glfw_INCLUDE_DIRS "${GLFW_SOURCE_DIR}/deps/mingw")
endif()
# 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 ${CMAKE_SHARED_LINKER_FLAGS}")
endif()
endif()
#--------------------------------------------------------------------
# Detect and select backend APIs
#--------------------------------------------------------------------
if (GLFW_USE_WAYLAND)
set(_GLFW_WAYLAND 1)
message(STATUS "Using Wayland for window creation")
elseif (GLFW_USE_OSMESA)
set(_GLFW_OSMESA 1)
message(STATUS "Using OSMesa for headless context creation")
elseif (WIN32)
set(_GLFW_WIN32 1)
message(STATUS "Using Win32 for window creation")
elseif (APPLE)
set(_GLFW_COCOA 1)
message(STATUS "Using Cocoa for window creation")
elseif (UNIX)
set(_GLFW_X11 1)
message(STATUS "Using X11 for window creation")
else()
message(FATAL_ERROR "No supported platform was detected")
endif()
#--------------------------------------------------------------------
# Find and add Unix math and time libraries
#--------------------------------------------------------------------
if (UNIX AND NOT APPLE)
find_library(RT_LIBRARY rt)
mark_as_advanced(RT_LIBRARY)
if (RT_LIBRARY)
list(APPEND glfw_LIBRARIES "${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 headers were not found")
endif()
# Check for Xinerama (legacy multi-monitor support)
if (NOT X11_Xinerama_FOUND)
message(FATAL_ERROR "The Xinerama headers were not found")
endif()
# Check for Xkb (X keyboard extension)
if (NOT X11_Xkb_FOUND)
message(FATAL_ERROR "The X keyboard extension headers were not found")
endif()
# Check for Xcursor (cursor creation from RGBA images)
if (NOT X11_Xcursor_FOUND)
message(FATAL_ERROR "The Xcursor headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS "${X11_Xrandr_INCLUDE_PATH}"
"${X11_Xinerama_INCLUDE_PATH}"
"${X11_Xkb_INCLUDE_PATH}"
"${X11_Xcursor_INCLUDE_PATH}")
endif()
#--------------------------------------------------------------------
# Use Wayland for window creation
#--------------------------------------------------------------------
if (_GLFW_WAYLAND)
find_package(ECM REQUIRED NO_MODULE)
list(APPEND CMAKE_MODULE_PATH "${ECM_MODULE_PATH}")
find_package(Wayland REQUIRED Client Cursor Egl)
find_package(WaylandScanner REQUIRED)
find_package(WaylandProtocols 1.15 REQUIRED)
list(APPEND glfw_PKG_DEPS "wayland-egl")
list(APPEND glfw_INCLUDE_DIRS "${Wayland_INCLUDE_DIRS}")
list(APPEND glfw_LIBRARIES "${Wayland_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT}")
find_package(XKBCommon REQUIRED)
list(APPEND glfw_INCLUDE_DIRS "${XKBCOMMON_INCLUDE_DIRS}")
include(CheckIncludeFiles)
include(CheckFunctionExists)
check_include_files(xkbcommon/xkbcommon-compose.h HAVE_XKBCOMMON_COMPOSE_H)
check_function_exists(memfd_create HAVE_MEMFD_CREATE)
if (NOT ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux"))
find_package(EpollShim)
if (EPOLLSHIM_FOUND)
list(APPEND glfw_INCLUDE_DIRS "${EPOLLSHIM_INCLUDE_DIRS}")
list(APPEND glfw_LIBRARIES "${EPOLLSHIM_LIBRARIES}")
endif()
endif()
endif()
#--------------------------------------------------------------------
# Use OSMesa for offscreen context creation
#--------------------------------------------------------------------
if (_GLFW_OSMESA)
find_package(OSMesa REQUIRED)
list(APPEND glfw_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}")
endif()
#--------------------------------------------------------------------
# Use Cocoa for window creation and NSOpenGL for context creation
#--------------------------------------------------------------------
if (_GLFW_COCOA)
list(APPEND glfw_LIBRARIES
"-framework Cocoa"
"-framework IOKit"
"-framework CoreFoundation"
"-framework CoreVideo")
set(glfw_PKG_DEPS "")
set(glfw_PKG_LIBS "-framework Cocoa -framework IOKit -framework CoreFoundation -framework CoreVideo")
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} ${arg}")
endforeach()
#--------------------------------------------------------------------
# Create generated files
#--------------------------------------------------------------------
include(CMakePackageConfigHelpers)
set(GLFW_CONFIG_PATH "${CMAKE_INSTALL_LIBDIR}/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)
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 ${CMAKE_INSTALL_INCLUDEDIR}
FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
install(FILES "${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 "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
# Only generate this target if no higher-level project already has
if (NOT TARGET uninstall)
configure_file(cmake_uninstall.cmake.in
cmake_uninstall.cmake IMMEDIATE @ONLY)
add_custom_target(uninstall
"${CMAKE_COMMAND}" -P
"${GLFW_BINARY_DIR}/cmake_uninstall.cmake")
set_target_properties(uninstall PROPERTIES FOLDER "GLFW3")
endif()
endif()