mirror of
https://github.com/gwm17/glfw.git
synced 2024-12-03 07:28:51 -05:00
409 lines
14 KiB
CMake
409 lines
14 KiB
CMake
cmake_minimum_required(VERSION 2.8.12)
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project(GLFW C)
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set(CMAKE_LEGACY_CYGWIN_WIN32 OFF)
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if (NOT CMAKE_VERSION VERSION_LESS "3.0")
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# Until all major package systems have moved to CMake 3,
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# we stick with the older INSTALL_NAME_DIR mechanism
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cmake_policy(SET CMP0042 OLD)
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endif()
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if (NOT CMAKE_VERSION VERSION_LESS "3.1")
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cmake_policy(SET CMP0054 NEW)
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endif()
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set(GLFW_VERSION_MAJOR "3")
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set(GLFW_VERSION_MINOR "3")
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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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set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
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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(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
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option(GLFW_INSTALL "Generate installation target" ON)
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option(GLFW_VULKAN_STATIC "Use the Vulkan loader statically linked into application" OFF)
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option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
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if (UNIX)
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option(GLFW_USE_OSMESA "Use OSMesa for offscreen context creation" OFF)
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endif()
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if (WIN32)
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option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF)
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endif()
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if (UNIX AND NOT APPLE)
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option(GLFW_USE_WAYLAND "Use Wayland for window creation" OFF)
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option(GLFW_USE_MIR "Use Mir for window creation" OFF)
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endif()
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if (MSVC)
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option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
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endif()
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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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if (BUILD_SHARED_LIBS AND UNIX)
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# On Unix-like systems, shared libraries can use the soname system.
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set(GLFW_LIB_NAME glfw)
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else()
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set(GLFW_LIB_NAME glfw3)
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endif()
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if (GLFW_VULKAN_STATIC)
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set(_GLFW_VULKAN_STATIC 1)
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endif()
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list(APPEND CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules")
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find_package(Threads REQUIRED)
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find_package(Vulkan)
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if (GLFW_BUILD_DOCS)
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set(DOXYGEN_SKIP_DOT TRUE)
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find_package(Doxygen)
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endif()
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#--------------------------------------------------------------------
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# Set compiler specific flags
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#--------------------------------------------------------------------
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if (MSVC)
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if (MSVC90)
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# Workaround for VS 2008 not shipping with the DirectX 9 SDK
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include(CheckIncludeFile)
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check_include_file(dinput.h DINPUT_H_FOUND)
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if (NOT DINPUT_H_FOUND)
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message(FATAL_ERROR "DirectX 9 SDK not found")
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endif()
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# Workaround for VS 2008 not shipping with stdint.h
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list(APPEND glfw_INCLUDE_DIRS "${GLFW_SOURCE_DIR}/deps/vs2008")
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endif()
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if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
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foreach (flag CMAKE_C_FLAGS
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CMAKE_C_FLAGS_DEBUG
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CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL
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CMAKE_C_FLAGS_RELWITHDEBINFO)
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if (${flag} MATCHES "/MD")
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string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
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endif()
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if (${flag} MATCHES "/MDd")
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string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
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endif()
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endforeach()
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endif()
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endif()
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if (MINGW)
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# Workaround for legacy MinGW not providing XInput and DirectInput
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include(CheckIncludeFile)
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check_include_file(dinput.h DINPUT_H_FOUND)
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check_include_file(xinput.h XINPUT_H_FOUND)
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if (NOT DINPUT_H_FOUND OR NOT XINPUT_H_FOUND)
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list(APPEND glfw_INCLUDE_DIRS "${GLFW_SOURCE_DIR}/deps/mingw")
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endif()
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# Enable link-time exploit mitigation features enabled by default on MSVC
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include(CheckCCompilerFlag)
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# Compatibility with data execution prevention (DEP)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat")
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check_c_compiler_flag("" _GLFW_HAS_DEP)
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if (_GLFW_HAS_DEP)
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--nxcompat ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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# Compatibility with address space layout randomization (ASLR)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase")
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check_c_compiler_flag("" _GLFW_HAS_ASLR)
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if (_GLFW_HAS_ASLR)
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--dynamicbase ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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# Compatibility with 64-bit address space layout randomization (ASLR)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--high-entropy-va")
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check_c_compiler_flag("" _GLFW_HAS_64ASLR)
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if (_GLFW_HAS_64ASLR)
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--high-entropy-va ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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endif()
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if (APPLE)
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# Dependencies required by the MoltenVK static library
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set(GLFW_VULKAN_DEPS
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"-lc++"
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"-framework Cocoa"
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"-framework Metal"
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"-framework QuartzCore")
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endif()
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#--------------------------------------------------------------------
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# Detect and select backend APIs
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#--------------------------------------------------------------------
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if (GLFW_USE_WAYLAND)
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set(_GLFW_WAYLAND 1)
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message(STATUS "Using Wayland for window creation")
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elseif (GLFW_USE_MIR)
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set(_GLFW_MIR 1)
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message(STATUS "Using Mir for window creation")
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elseif (GLFW_USE_OSMESA)
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set(_GLFW_OSMESA 1)
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message(STATUS "Using OSMesa for headless context creation")
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elseif (WIN32)
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set(_GLFW_WIN32 1)
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message(STATUS "Using Win32 for window creation")
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elseif (APPLE)
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set(_GLFW_COCOA 1)
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message(STATUS "Using Cocoa for window creation")
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elseif (UNIX)
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set(_GLFW_X11 1)
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message(STATUS "Using X11 for window creation")
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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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# Add Vulkan static library if requested
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#--------------------------------------------------------------------
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if (GLFW_VULKAN_STATIC)
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if (VULKAN_FOUND AND VULKAN_STATIC_LIBRARY)
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list(APPEND glfw_LIBRARIES "${VULKAN_STATIC_LIBRARY}" ${GLFW_VULKAN_DEPS})
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if (BUILD_SHARED_LIBS)
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message(WARNING "Linking Vulkan loader static library into GLFW")
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endif()
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else()
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if (BUILD_SHARED_LIBS OR GLFW_BUILD_EXAMPLES OR GLFW_BUILD_TESTS)
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message(FATAL_ERROR "Vulkan loader static library not found")
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else()
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message(WARNING "Vulkan loader static library not found")
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endif()
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endif()
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endif()
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#--------------------------------------------------------------------
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# Find and add Unix math and time libraries
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#--------------------------------------------------------------------
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if (UNIX AND NOT APPLE)
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find_library(RT_LIBRARY rt)
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mark_as_advanced(RT_LIBRARY)
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if (RT_LIBRARY)
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list(APPEND glfw_LIBRARIES "${RT_LIBRARY}")
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list(APPEND 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 "${MATH_LIBRARY}")
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list(APPEND glfw_PKG_LIBS "-lm")
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endif()
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if (CMAKE_DL_LIBS)
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list(APPEND glfw_LIBRARIES "${CMAKE_DL_LIBS}")
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list(APPEND glfw_PKG_LIBS "-l${CMAKE_DL_LIBS}")
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endif()
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endif()
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#--------------------------------------------------------------------
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# Use Win32 for window creation
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#--------------------------------------------------------------------
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if (_GLFW_WIN32)
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list(APPEND glfw_PKG_LIBS "-lgdi32")
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if (GLFW_USE_HYBRID_HPG)
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set(_GLFW_USE_HYBRID_HPG 1)
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endif()
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endif()
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#--------------------------------------------------------------------
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# Use X11 for window creation
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#--------------------------------------------------------------------
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if (_GLFW_X11)
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find_package(X11 REQUIRED)
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list(APPEND glfw_PKG_DEPS "x11")
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS "${X11_X11_INCLUDE_PATH}")
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list(APPEND glfw_LIBRARIES "${X11_X11_LIB}" "${CMAKE_THREAD_LIBS_INIT}")
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# Check for XRandR (modern resolution switching and gamma control)
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if (NOT X11_Xrandr_FOUND)
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message(FATAL_ERROR "The RandR headers were not found")
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endif()
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# Check for Xinerama (legacy multi-monitor support)
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if (NOT X11_Xinerama_FOUND)
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message(FATAL_ERROR "The Xinerama headers were not found")
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endif()
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# Check for Xkb (X keyboard extension)
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if (NOT X11_Xkb_FOUND)
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message(FATAL_ERROR "The X keyboard extension headers were not found")
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endif()
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# Check for Xcursor (cursor creation from RGBA images)
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if (NOT X11_Xcursor_FOUND)
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message(FATAL_ERROR "The Xcursor headers were not found")
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endif()
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list(APPEND glfw_INCLUDE_DIRS "${X11_Xrandr_INCLUDE_PATH}"
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"${X11_Xinerama_INCLUDE_PATH}"
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"${X11_Xkb_INCLUDE_PATH}"
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"${X11_Xcursor_INCLUDE_PATH}")
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endif()
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#--------------------------------------------------------------------
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# Use Wayland for window creation
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#--------------------------------------------------------------------
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if (_GLFW_WAYLAND)
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find_package(ECM REQUIRED NO_MODULE)
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list(APPEND CMAKE_MODULE_PATH "${ECM_MODULE_PATH}")
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find_package(Wayland REQUIRED)
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find_package(WaylandScanner REQUIRED)
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find_package(WaylandProtocols 1.1 REQUIRED)
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list(APPEND glfw_PKG_DEPS "wayland-egl")
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list(APPEND glfw_INCLUDE_DIRS "${Wayland_INCLUDE_DIR}")
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list(APPEND glfw_LIBRARIES "${Wayland_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT}")
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find_package(XKBCommon REQUIRED)
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list(APPEND glfw_PKG_DEPS "xkbcommon")
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list(APPEND glfw_INCLUDE_DIRS "${XKBCOMMON_INCLUDE_DIRS}")
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list(APPEND glfw_LIBRARIES "${XKBCOMMON_LIBRARY}")
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endif()
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#--------------------------------------------------------------------
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# Use Mir for window creation
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#--------------------------------------------------------------------
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if (_GLFW_MIR)
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find_package(Mir REQUIRED)
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list(APPEND glfw_PKG_DEPS "mirclient")
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list(APPEND glfw_INCLUDE_DIRS "${MIR_INCLUDE_DIRS}")
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list(APPEND glfw_LIBRARIES "${MIR_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT}")
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find_package(XKBCommon REQUIRED)
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list(APPEND glfw_PKG_DEPS "xkbcommon")
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list(APPEND glfw_INCLUDE_DIRS "${XKBCOMMON_INCLUDE_DIRS}")
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list(APPEND glfw_LIBRARIES "${XKBCOMMON_LIBRARY}")
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endif()
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#--------------------------------------------------------------------
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# Use OSMesa for offscreen context creation
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#--------------------------------------------------------------------
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if (_GLFW_OSMESA)
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find_package(OSMesa REQUIRED)
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list(APPEND glfw_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}")
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endif()
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#--------------------------------------------------------------------
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# Use Cocoa for window creation and NSOpenGL for context creation
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#--------------------------------------------------------------------
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if (_GLFW_COCOA)
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list(APPEND glfw_LIBRARIES
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"-framework Cocoa"
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"-framework IOKit"
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"-framework CoreFoundation"
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"-framework CoreVideo")
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set(glfw_PKG_DEPS "")
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set(glfw_PKG_LIBS "-framework Cocoa -framework IOKit -framework CoreFoundation -framework CoreVideo")
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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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foreach(arg ${glfw_PKG_DEPS})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} ${arg}")
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endforeach()
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foreach(arg ${glfw_PKG_LIBS})
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set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} ${arg}")
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endforeach()
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#--------------------------------------------------------------------
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# Create generated files
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#--------------------------------------------------------------------
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include(CMakePackageConfigHelpers)
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set(GLFW_CONFIG_PATH "lib${LIB_SUFFIX}/cmake/glfw3")
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configure_package_config_file(src/glfw3Config.cmake.in
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src/glfw3Config.cmake
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INSTALL_DESTINATION "${GLFW_CONFIG_PATH}"
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NO_CHECK_REQUIRED_COMPONENTS_MACRO)
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write_basic_package_version_file(src/glfw3ConfigVersion.cmake
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VERSION ${GLFW_VERSION_FULL}
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COMPATIBILITY SameMajorVersion)
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configure_file(src/glfw_config.h.in src/glfw_config.h @ONLY)
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configure_file(src/glfw3.pc.in src/glfw3.pc @ONLY)
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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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if (DOXYGEN_FOUND AND GLFW_BUILD_DOCS)
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add_subdirectory(docs)
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endif()
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#--------------------------------------------------------------------
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# Install files other than the library
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# The library is installed by src/CMakeLists.txt
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#--------------------------------------------------------------------
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if (GLFW_INSTALL)
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install(DIRECTORY include/GLFW DESTINATION include
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FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
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install(FILES "${GLFW_BINARY_DIR}/src/glfw3Config.cmake"
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"${GLFW_BINARY_DIR}/src/glfw3ConfigVersion.cmake"
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DESTINATION "${GLFW_CONFIG_PATH}")
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install(EXPORT glfwTargets FILE glfw3Targets.cmake
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EXPORT_LINK_INTERFACE_LIBRARIES
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DESTINATION "${GLFW_CONFIG_PATH}")
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install(FILES "${GLFW_BINARY_DIR}/src/glfw3.pc"
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DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
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# Only generate this target if no higher-level project already has
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if (NOT TARGET uninstall)
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configure_file(cmake_uninstall.cmake.in
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cmake_uninstall.cmake IMMEDIATE @ONLY)
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add_custom_target(uninstall
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"${CMAKE_COMMAND}" -P
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"${GLFW_BINARY_DIR}/cmake_uninstall.cmake")
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endif()
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endif()
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