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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}")
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)
find_package(OpenGL 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 target platform
#--------------------------------------------------------------------
if (WIN32)
set(_GLFW_WIN32_WGL 1)
message(STATUS "Building GLFW for WGL on a Win32 system")
elseif (UNIX AND APPLE)
set(_GLFW_COCOA_NSGL 1)
message(STATUS "Building GLFW for Cocoa and NSOpenGL on Mac OS X")
elseif (UNIX AND NOT APPLE)
set(_GLFW_X11_GLX 1)
message(STATUS "Building GLFW for X11 and GLX on a Unix-like system")
else()
message(FATAL_ERROR "No supported platform was detected")
endif()
#--------------------------------------------------------------------
# Set up GLFW for Win32 and WGL on Windows
#--------------------------------------------------------------------
if (_GLFW_WIN32_WGL)
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
if (MSVC)
option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
foreach (flag CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if (${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()
#--------------------------------------------------------------------
# Set up GLFW for Xlib and GLX on Unix-like systems with X Windows
#--------------------------------------------------------------------
if (_GLFW_X11_GLX)
find_package(X11 REQUIRED)
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${X11_X11_INCLUDE_PATH} ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${X11_X11_LIB} ${OPENGL_gl_LIBRARY})
set(GLFW_PKG_DEPS "gl x11")
set(GLFW_PKG_LIBS "")
include(CheckFunctionExists)
# Check for XRandR (modern resolution switching extension)
if (X11_Xrandr_FOUND)
set(_GLFW_HAS_XRANDR 1)
list(APPEND glfw_INCLUDE_DIRS ${X11_Xrandr_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")
endif()
# Check for Xf86VidMode (fallback legacy resolution switching extension)
if (X11_xf86vmode_FOUND)
set(_GLFW_HAS_XF86VIDMODE 1)
list(APPEND glfw_INCLUDE_DIRS ${X11_xf86vmode_INCLUDE_PATH})
# NOTE: This is a workaround for CMake bug 0006976 (missing
# X11_xf86vmode_LIB variable)
if (X11_xf86vmode_LIB)
list(APPEND glfw_LIBRARIES ${X11_xf86vmode_LIB})
else()
list(APPEND glfw_LIBRARIES Xxf86vm)
endif()
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xxf86vm")
endif()
# Check for Xkb (X keyboard extension)
if (X11_Xkb_FOUND)
set(_GLFW_HAS_XKB 1)
list(APPEND glfw_INCLUDE_DIR ${X11_Xkb_INCLUDE_PATH})
endif()
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()
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()
if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(_GLFW_USE_LINUX_JOYSTICKS 1)
endif()
endif()
#--------------------------------------------------------------------
# Set up GLFW for Cocoa and NSOpenGL on Mac OS X
#--------------------------------------------------------------------
if (_GLFW_COCOA_NSGL)
option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF)
# Universal build
if (GLFW_BUILD_UNIVERSAL)
message(STATUS "Building GLFW as Universal Binaries")
set(CMAKE_OSX_ARCHITECTURES ppc;i386;ppc64;x86_64)
set(CMAKE_OSX_SYSROOT /Developer/SDKs/MacOSX10.5.sdk)
set(CMAKE_C_FLAGS "-mmacosx-version-min=10.5")
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
${GLFW_BINARY_DIR}/src/config.h @ONLY)
#--------------------------------------------------------------------
# Install header and documentation
# The src directory's CMakeLists.txt file installs the library
#--------------------------------------------------------------------
install(DIRECTORY include/GL DESTINATION include
FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
install(FILES COPYING.txt readme.html
DESTINATION share/doc/glfw-${GLFW_VERSION_FULL})
#--------------------------------------------------------------------
# Create and install pkg-config file on supported platforms
#--------------------------------------------------------------------
if (_GLFW_X11_GLX OR _GLFW_COCOA_NSGL)
configure_file(${GLFW_SOURCE_DIR}/src/libglfw3.pc.in
${GLFW_BINARY_DIR}/src/libglfw3.pc @ONLY)
install(FILES ${GLFW_BINARY_DIR}/src/libglfw3.pc
DESTINATION lib/pkgconfig)
endif()
#--------------------------------------------------------------------
# Uninstall operation
# Don't generate this target if a higher-level project already has
#--------------------------------------------------------------------
if (NOT TARGET uninstall)
configure_file(${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()