mirror of
https://github.com/glfw/glfw.git
synced 2024-11-10 09:01:46 +00:00
259 lines
8.9 KiB
CMake
259 lines
8.9 KiB
CMake
project(GLFW C)
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cmake_minimum_required(VERSION 2.8)
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set(GLFW_VERSION_MAJOR "3")
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set(GLFW_VERSION_MINOR "0")
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set(GLFW_VERSION_PATCH "0")
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set(GLFW_VERSION_EXTRA "")
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set(GLFW_VERSION "${GLFW_VERSION_MAJOR}.${GLFW_VERSION_MINOR}")
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set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA}")
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option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
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option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
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option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
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find_package(OpenGL REQUIRED)
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#--------------------------------------------------------------------
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# Enable all warnings on GCC, regardless of OS
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#--------------------------------------------------------------------
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if (CMAKE_COMPILER_IS_GNUCC)
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add_definitions(-Wall)
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endif()
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#--------------------------------------------------------------------
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# Export shared library / dynamic library / DLL build option
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#--------------------------------------------------------------------
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if (BUILD_SHARED_LIBS)
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set(_GLFW_BUILD_DLL 1)
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endif()
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#--------------------------------------------------------------------
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# Detect and select target platform
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#--------------------------------------------------------------------
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if (WIN32)
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set(_GLFW_WIN32_WGL 1)
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message(STATUS "Building GLFW for WGL on a Win32 system")
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elseif (UNIX AND APPLE)
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set(_GLFW_COCOA_NSGL 1)
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message(STATUS "Building GLFW for Cocoa and NSOpenGL on Mac OS X")
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elseif (UNIX AND NOT APPLE)
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set(_GLFW_X11_GLX 1)
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message(STATUS "Building GLFW for X11 and GLX on a Unix-like system")
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else()
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message(FATAL_ERROR "No supported platform was detected")
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endif()
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#--------------------------------------------------------------------
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# Set up GLFW for Win32 and WGL on Windows
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#--------------------------------------------------------------------
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if (_GLFW_WIN32_WGL)
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
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set(_GLFW_NO_DLOAD_WINMM ${BUILD_SHARED_LIBS})
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if (BUILD_SHARED_LIBS)
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list(APPEND glfw_LIBRARIES winmm)
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endif()
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endif()
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#--------------------------------------------------------------------
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# Set up GLFW for Xlib and GLX on Unix-like systems with X Windows
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#--------------------------------------------------------------------
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if (_GLFW_X11_GLX)
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find_package(X11 REQUIRED)
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS ${X11_X11_INCLUDE_PATH} ${OPENGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${X11_X11_LIB} ${OPENGL_gl_LIBRARY})
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set(GLFW_PKG_DEPS "gl x11")
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set(GLFW_PKG_LIBS "")
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include(CheckFunctionExists)
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# Check for XRandR (modern resolution switching extension)
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if (X11_Xrandr_FOUND)
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set(_GLFW_HAS_XRANDR 1)
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list(APPEND glfw_INCLUDE_DIRS ${X11_Xrandr_INCLUDE_PATH})
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list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")
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endif()
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# Check for Xf86VidMode (fallback legacy resolution switching extension)
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if (X11_xf86vmode_FOUND)
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set(_GLFW_HAS_XF86VIDMODE 1)
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list(APPEND glfw_INCLUDE_DIRS ${X11_xf86vmode_INCLUDE_PATH})
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# NOTE: This is a workaround for CMake bug 0006976 (missing
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# X11_xf86vmode_LIB variable)
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if (X11_xf86vmode_LIB)
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list(APPEND glfw_LIBRARIES ${X11_xf86vmode_LIB})
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else()
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list(APPEND glfw_LIBRARIES Xxf86vm)
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endif()
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xxf86vm")
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endif()
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# Check for Xkb (X keyboard extension)
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if (X11_Xkb_FOUND)
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set(_GLFW_HAS_XKB 1)
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list(APPEND glfw_INCLUDE_DIR ${X11_Xkb_INCLUDE_PATH})
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endif()
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find_library(RT_LIBRARY rt)
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mark_as_advanced(RT_LIBRARY)
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if (RT_LIBRARY)
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list(APPEND glfw_LIBRARIES ${RT_LIBRARY})
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set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lrt")
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endif()
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find_library(MATH_LIBRARY m)
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mark_as_advanced(MATH_LIBRARY)
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if (MATH_LIBRARY)
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list(APPEND glfw_LIBRARIES ${MATH_LIBRARY})
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set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
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endif()
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set(CMAKE_REQUIRED_LIBRARIES ${OPENGL_gl_LIBRARY})
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check_function_exists(glXGetProcAddress _GLFW_HAS_GLXGETPROCADDRESS)
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if (NOT _GLFW_HAS_GLXGETPROCADDRESS)
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check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB)
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endif()
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if (NOT _GLFW_HAS_GLXGETPROCADDRESS AND NOT _GLFW_HAS_GLXGETPROCADDRESSARB)
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check_function_exists(glXGetProcAddressEXT _GLFW_HAS_GLXGETPROCADDRESSEXT)
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endif()
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if (NOT _GLFW_HAS_GLXGETPROCADDRESS AND
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NOT _GLFW_HAS_GLXGETPROCADDRESSARB AND
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NOT _GLFW_HAS_GLXGETPROCADDRESSEXT)
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message(WARNING "No glXGetProcAddressXXX variant found")
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# Check for dlopen support as a fallback
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find_library(DL_LIBRARY dl)
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mark_as_advanced(DL_LIBRARY)
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if (DL_LIBRARY)
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set(CMAKE_REQUIRED_LIBRARIES ${DL_LIBRARY})
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else()
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set(CMAKE_REQUIRED_LIBRARIES "")
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endif()
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check_function_exists(dlopen _GLFW_HAS_DLOPEN)
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if (NOT _GLFW_HAS_DLOPEN)
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message(FATAL_ERROR "No entry point retrieval mechanism found")
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endif()
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if (DL_LIBRARY)
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list(APPEND glfw_LIBRARIES ${DL_LIBRARY})
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set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -ldl")
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endif()
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endif()
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if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(_GLFW_USE_LINUX_JOYSTICKS 1)
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endif()
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endif()
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#--------------------------------------------------------------------
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# Set up GLFW for Cocoa and NSOpenGL on Mac OS X
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#--------------------------------------------------------------------
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if (_GLFW_COCOA_NSGL)
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option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF)
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# Universal build
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if (GLFW_BUILD_UNIVERSAL)
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message(STATUS "Building GLFW as Universal Binaries")
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set(CMAKE_OSX_ARCHITECTURES ppc;i386;ppc64;x86_64)
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set(CMAKE_OSX_SYSROOT /Developer/SDKs/MacOSX10.5.sdk)
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set(CMAKE_C_FLAGS "-mmacosx-version-min=10.5")
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else(GLFW_BUILD_UNIVERSAL)
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message(STATUS "Building GLFW only for the native architecture")
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endif()
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# Set up library and include paths
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find_library(COCOA_FRAMEWORK Cocoa)
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find_library(IOKIT_FRAMEWORK IOKit)
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find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation)
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list(APPEND glfw_LIBRARIES ${COCOA_FRAMEWORK}
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${OPENGL_gl_LIBRARY}
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${IOKIT_FRAMEWORK}
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${CORE_FOUNDATION_FRAMEWORK})
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set(GLFW_PKG_DEPS "")
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set(GLFW_PKG_LIBS "-framework Cocoa -framework OpenGL -framework IOKit -framework CoreFoundation")
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endif()
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#--------------------------------------------------------------------
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# Export GLFW library dependencies
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#--------------------------------------------------------------------
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set(GLFW_LIBRARIES ${glfw_LIBRARIES} CACHE STRING "Dependencies of GLFW")
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#--------------------------------------------------------------------
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# Add subdirectories
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#--------------------------------------------------------------------
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add_subdirectory(src)
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if (GLFW_BUILD_EXAMPLES)
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add_subdirectory(examples)
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endif()
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if (GLFW_BUILD_TESTS)
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add_subdirectory(tests)
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endif()
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#--------------------------------------------------------------------
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# Create generated files
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#--------------------------------------------------------------------
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configure_file(${GLFW_SOURCE_DIR}/docs/Doxyfile.in
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${GLFW_BINARY_DIR}/docs/Doxyfile @ONLY)
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configure_file(${GLFW_SOURCE_DIR}/src/config.h.in
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${GLFW_BINARY_DIR}/src/config.h @ONLY)
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#--------------------------------------------------------------------
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# Install header and documentation
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# The src directory's CMakeLists.txt file installs the library
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#--------------------------------------------------------------------
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install(DIRECTORY include/GL DESTINATION include
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FILES_MATCHING PATTERN glfw3.h)
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install(FILES COPYING.txt readme.html
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DESTINATION share/doc/glfw-${GLFW_VERSION_FULL})
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#--------------------------------------------------------------------
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# Create and install pkg-config file on supported platforms
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#--------------------------------------------------------------------
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if (_GLFW_X11_GLX OR _GLFW_COCOA_NSGL)
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configure_file(${GLFW_SOURCE_DIR}/src/libglfw.pc.in
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${GLFW_BINARY_DIR}/src/libglfw.pc @ONLY)
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install(FILES ${GLFW_BINARY_DIR}/src/libglfw.pc
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DESTINATION lib/pkgconfig)
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endif()
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#--------------------------------------------------------------------
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# Uninstall operation
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# Don't generate this target if a higher-level project already has
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#--------------------------------------------------------------------
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if (NOT TARGET uninstall)
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configure_file(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in
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${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY)
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add_custom_target(uninstall
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${CMAKE_COMMAND} -P
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${GLFW_BINARY_DIR}/cmake_uninstall.cmake)
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endif()
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