mirror of
https://github.com/glfw/glfw.git
synced 2024-11-22 13:04:35 +00:00
403 lines
13 KiB
CMake
403 lines
13 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}${GLFW_VERSION_EXTRA}")
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set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
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option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
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option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
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option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
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set(DOXYGEN_SKIP_DOT TRUE)
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find_package(Doxygen)
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option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
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if (GLFW_DOCUMENT_INTERNALS)
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set(GLFW_DOC_HEADERS "${GLFW_SOURCE_DIR}/src/internal.h")
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endif()
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if (APPLE)
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option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON)
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option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON)
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else()
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option(GLFW_USE_EGL "Use EGL for context creation" OFF)
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endif()
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if (GLFW_USE_EGL)
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set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING
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"The client library to use; one of opengl, glesv1 or glesv2")
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if (${GLFW_CLIENT_LIBRARY} STREQUAL "opengl")
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set(_GLFW_USE_OPENGL 1)
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elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv1")
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set(_GLFW_USE_GLESV1 1)
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elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv2")
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set(_GLFW_USE_GLESV2 1)
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else()
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message(FATAL_ERROR "Unsupported client library")
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endif()
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set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMake/modules)
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find_package(EGL REQUIRED)
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if (NOT _GLFW_USE_OPENGL)
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set(GLFW_BUILD_EXAMPLES OFF)
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set(GLFW_BUILD_TESTS OFF)
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message(STATUS "NOTE: Examples and tests require OpenGL")
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endif()
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else()
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set(_GLFW_USE_OPENGL 1)
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endif()
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if (_GLFW_USE_OPENGL)
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find_package(OpenGL REQUIRED)
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elseif (_GLFW_USE_GLESV1)
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find_package(GLESv1 REQUIRED)
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elseif (_GLFW_USE_GLESV2)
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find_package(GLESv2 REQUIRED)
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endif()
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find_package(Threads 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 backend APIs
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#--------------------------------------------------------------------
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if (WIN32)
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set(_GLFW_WIN32 1)
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message(STATUS "Using Win32 for window creation")
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if (GLFW_USE_EGL)
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set(_GLFW_EGL 1)
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message(STATUS "Using EGL for context creation")
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else()
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set(_GLFW_WGL 1)
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message(STATUS "Using WGL for context creation")
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endif()
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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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set(_GLFW_NSGL 1)
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message(STATUS "Using NSGL for context 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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if (GLFW_USE_EGL)
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set(_GLFW_EGL 1)
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message(STATUS "Using EGL for context creation")
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else()
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set(_GLFW_GLX 1)
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message(STATUS "Using GLX for context creation")
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endif()
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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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# Use Win32 for window creation
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#--------------------------------------------------------------------
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if (_GLFW_WIN32)
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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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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")
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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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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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# Use WGL for context creation
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#--------------------------------------------------------------------
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if (_GLFW_WGL)
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list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
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endif()
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#--------------------------------------------------------------------
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# Use X11 for window creation
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#--------------------------------------------------------------------
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if (_GLFW_X11)
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find_package(X11 REQUIRED)
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set(GLFW_PKG_DEPS "${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})
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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 library and 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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list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")
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# Check for Xf86VidMode (fallback gamma control)
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if (NOT X11_xf86vmode_FOUND)
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message(FATAL_ERROR "The Xf86VidMode library and headers were not found")
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endif()
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list(APPEND glfw_INCLUDE_DIRS ${X11_xf86vmode_INCLUDE_PATH})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xxf86vm")
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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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# 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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list(APPEND glfw_INCLUDE_DIR ${X11_Xkb_INCLUDE_PATH})
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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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endif()
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#--------------------------------------------------------------------
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# Use GLX for context creation
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#--------------------------------------------------------------------
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if (_GLFW_GLX)
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list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
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include(CheckFunctionExists)
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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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endif()
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#--------------------------------------------------------------------
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# Use EGL for context creation
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#--------------------------------------------------------------------
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if (_GLFW_EGL)
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list(APPEND glfw_INCLUDE_DIRS ${EGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${EGL_LIBRARY})
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set(CMAKE_REQUIRED_LIBRARIES ${EGL_LIBRARY})
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if (UNIX)
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl")
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endif()
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if (_GLFW_USE_OPENGL)
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list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
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list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
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elseif (_GLFW_USE_GLESV1)
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list(APPEND glfw_LIBRARIES ${GLESv1_LIBRARY})
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list(APPEND glfw_INCLUDE_DIRS ${GLESv1_INCLUDE_DIR})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv1_cm")
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elseif (_GLFW_USE_GLESV2)
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list(APPEND glfw_LIBRARIES ${GLESv2_LIBRARY})
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list(APPEND glfw_INCLUDE_DIRS ${GLESv2_INCLUDE_DIR})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv2")
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endif()
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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 AND _GLFW_NSGL)
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option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF)
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if (GLFW_USE_MENUBAR)
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set(_GLFW_USE_MENUBAR 1)
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endif()
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if (GLFW_USE_CHDIR)
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set(_GLFW_USE_CHDIR 1)
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endif()
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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 i386;x86_64)
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else()
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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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# Choose library output name
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#--------------------------------------------------------------------
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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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#--------------------------------------------------------------------
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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)
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add_subdirectory(docs)
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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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${GLFW_BINARY_DIR}/src/config.h @ONLY)
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#--------------------------------------------------------------------
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# Install the public headers
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# The src directory's CMakeLists.txt file installs the library
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#--------------------------------------------------------------------
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install(DIRECTORY include/GL DESTINATION include
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FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
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#--------------------------------------------------------------------
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# Create and install pkg-config file on supported platforms
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#--------------------------------------------------------------------
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if (UNIX)
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configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in
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${GLFW_BINARY_DIR}/src/glfw3.pc @ONLY)
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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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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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