mirror of
https://github.com/glfw/glfw.git
synced 2024-11-14 06:23:50 +00:00
8c766b57e7
Some command-line programs want to render to hidden windows without any visible UI. This option makes this possible on OS X.
392 lines
13 KiB
CMake
392 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}${GLFW_VERSION_EXTRA}")
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set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
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option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
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option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
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option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
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if (APPLE)
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option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON)
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option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON)
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else()
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option(GLFW_USE_EGL "Use EGL for context creation" OFF)
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endif()
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if (GLFW_USE_EGL)
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set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING
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"The client library to use; one of opengl, glesv1 or glesv2")
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if (${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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set(GLFW_BUILD_EXAMPLES OFF)
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set(GLFW_BUILD_TESTS OFF)
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message(STATUS "NOTE: Examples and tests are disabled for EGL")
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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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#--------------------------------------------------------------------
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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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${GLFW_BINARY_DIR}/src/config.h @ONLY)
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#--------------------------------------------------------------------
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# Install header and documentation
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# The src directory's CMakeLists.txt file installs the library
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#--------------------------------------------------------------------
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install(DIRECTORY include/GL DESTINATION include
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FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
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install(FILES COPYING.txt readme.html
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DESTINATION share/doc/glfw-${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 (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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