glfw/CMakeLists.txt

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CMake
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project(GLFW C)
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cmake_minimum_required(VERSION 2.8)
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set(GLFW_VERSION_MAJOR "3")
set(GLFW_VERSION_MINOR "0")
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set(GLFW_VERSION_PATCH "0")
set(GLFW_VERSION_EXTRA "")
set(GLFW_VERSION "${GLFW_VERSION_MAJOR}.${GLFW_VERSION_MINOR}")
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set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA}")
set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
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option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
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set(DOXYGEN_SKIP_DOT TRUE)
find_package(Doxygen)
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option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
if (GLFW_DOCUMENT_INTERNALS)
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set(GLFW_DOC_HEADERS "${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()
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option(GLFW_USE_EGL "Use EGL for context creation" OFF)
endif()
if (GLFW_USE_EGL)
set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING
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"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()
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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()
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find_package(Threads REQUIRED)
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#--------------------------------------------------------------------
# Enable all warnings on GCC, regardless of OS
#--------------------------------------------------------------------
if (CMAKE_COMPILER_IS_GNUCC)
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add_definitions(-Wall)
endif()
#--------------------------------------------------------------------
# Export shared library / dynamic library / DLL build option
#--------------------------------------------------------------------
if (BUILD_SHARED_LIBS)
set(_GLFW_BUILD_DLL 1)
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if (UNIX)
add_definitions(-fvisibility=hidden)
endif()
endif()
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#--------------------------------------------------------------------
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# Detect and select backend APIs
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#--------------------------------------------------------------------
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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")
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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()
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#--------------------------------------------------------------------
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# Use Win32 for window creation
#--------------------------------------------------------------------
if (_GLFW_WIN32)
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if (MSVC)
option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
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foreach (flag CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO)
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if (${flag} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
endif()
if (${flag} MATCHES "/MDd")
string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
endif()
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endforeach()
endif()
endif()
set(_GLFW_NO_DLOAD_WINMM ${BUILD_SHARED_LIBS})
if (BUILD_SHARED_LIBS)
list(APPEND glfw_LIBRARIES winmm)
endif()
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endif()
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#--------------------------------------------------------------------
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# Use WGL for context creation
#--------------------------------------------------------------------
if (_GLFW_WGL)
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
endif()
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#--------------------------------------------------------------------
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# Use X11 for window creation
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#--------------------------------------------------------------------
if (_GLFW_X11)
find_package(X11 REQUIRED)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} x11")
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# 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})
if (UNIX AND NOT APPLE)
list(APPEND glfw_LIBRARIES ${RT_LIBRARY})
endif()
# 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()
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list(APPEND glfw_INCLUDE_DIRS ${X11_Xrandr_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")
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# Check for XInput (high-resolution cursor motion)
if (NOT X11_Xinput_FOUND)
message(FATAL_ERROR "The XInput library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_Xinput_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xinput_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xi")
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# Check for Xf86VidMode (fallback gamma control)
if (NOT X11_xf86vmode_FOUND)
message(FATAL_ERROR "The Xf86VidMode library and headers were not found")
endif()
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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)
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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)
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mark_as_advanced(MATH_LIBRARY)
if (MATH_LIBRARY)
list(APPEND glfw_LIBRARIES ${MATH_LIBRARY})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
endif()
endif()
#--------------------------------------------------------------------
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# Use GLX for context creation
#--------------------------------------------------------------------
if (_GLFW_GLX)
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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})
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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
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)
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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()
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endif()
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endif()
#--------------------------------------------------------------------
# Use EGL for context creation
#--------------------------------------------------------------------
if (_GLFW_EGL)
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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")
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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()
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endif()
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#--------------------------------------------------------------------
# Use Cocoa for window creation and NSOpenGL for context creation
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#--------------------------------------------------------------------
if (_GLFW_COCOA AND _GLFW_NSGL)
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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")
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set(CMAKE_OSX_ARCHITECTURES i386;x86_64)
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else()
message(STATUS "Building GLFW only for the native architecture")
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endif()
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# Set up library and include paths
find_library(COCOA_FRAMEWORK Cocoa)
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find_library(IOKIT_FRAMEWORK IOKit)
find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation)
list(APPEND glfw_LIBRARIES ${COCOA_FRAMEWORK}
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${OPENGL_gl_LIBRARY}
${IOKIT_FRAMEWORK}
${CORE_FOUNDATION_FRAMEWORK})
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set(GLFW_PKG_DEPS "")
set(GLFW_PKG_LIBS "-framework Cocoa -framework OpenGL -framework IOKit -framework CoreFoundation")
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endif()
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#--------------------------------------------------------------------
# Export GLFW library dependencies
#--------------------------------------------------------------------
set(GLFW_LIBRARIES ${glfw_LIBRARIES} CACHE STRING "Dependencies of GLFW")
#--------------------------------------------------------------------
# Choose library output name
#--------------------------------------------------------------------
if (BUILD_SHARED_LIBS AND UNIX)
# On Unix-like systems, shared libraries can use the soname system.
set(GLFW_LIB_NAME glfw)
else()
set(GLFW_LIB_NAME glfw3)
endif()
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#--------------------------------------------------------------------
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# Add subdirectories
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#--------------------------------------------------------------------
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add_subdirectory(src)
if (GLFW_BUILD_EXAMPLES)
add_subdirectory(examples)
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endif()
if (GLFW_BUILD_TESTS)
add_subdirectory(tests)
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endif()
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if (DOXYGEN_FOUND)
add_subdirectory(docs)
endif()
#--------------------------------------------------------------------
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# Create generated files
#--------------------------------------------------------------------
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configure_file(${GLFW_SOURCE_DIR}/docs/Doxyfile.in
${GLFW_BINARY_DIR}/docs/Doxyfile @ONLY)
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configure_file(${GLFW_SOURCE_DIR}/src/config.h.in
${GLFW_BINARY_DIR}/src/config.h @ONLY)
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#--------------------------------------------------------------------
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# Install the public headers
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# The src directory's CMakeLists.txt file installs the library
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#--------------------------------------------------------------------
install(DIRECTORY include/GLFW DESTINATION include
FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
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#--------------------------------------------------------------------
# Create and install glfwConfig.cmake and glfwConfigVersion files
#--------------------------------------------------------------------
configure_file(${GLFW_SOURCE_DIR}/src/glfwConfig.cmake.in
${GLFW_BINARY_DIR}/src/glfwConfig.cmake @ONLY)
configure_file(${GLFW_SOURCE_DIR}/src/glfwConfigVersion.cmake.in
${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake @ONLY)
install(FILES ${GLFW_BINARY_DIR}/src/glfwConfig.cmake
${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake
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DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
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if (UNIX)
install(EXPORT glfwTargets DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
endif()
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#--------------------------------------------------------------------
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# Create and install pkg-config file on supported platforms
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#--------------------------------------------------------------------
if (UNIX)
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configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in
${GLFW_BINARY_DIR}/src/glfw3.pc @ONLY)
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install(FILES ${GLFW_BINARY_DIR}/src/glfw3.pc
DESTINATION lib${LIB_SUFFIX}/pkgconfig)
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endif()
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#--------------------------------------------------------------------
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# Uninstall operation
# Don't generate this target if a higher-level project already has
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#--------------------------------------------------------------------
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if (NOT TARGET uninstall)
configure_file(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in
${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY)
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add_custom_target(uninstall
${CMAKE_COMMAND} -P
${GLFW_BINARY_DIR}/cmake_uninstall.cmake)
endif()
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