119 lines
4.6 KiB
CMake
119 lines
4.6 KiB
CMake
# detect the OS
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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set(SFML_OS_WINDOWS 1)
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# don't use the OpenGL ES implementation on Windows
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set(OPENGL_ES 0)
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# detect the architecture (note: this test won't work for cross-compilation)
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include(CheckTypeSize)
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check_type_size(void* SIZEOF_VOID_PTR)
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if(${SIZEOF_VOID_PTR} STREQUAL "4")
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set(ARCH_32BITS 1)
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elseif(${SIZEOF_VOID_PTR} STREQUAL "8")
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set(ARCH_64BITS 1)
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else()
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message(FATAL_ERROR "Unsupported architecture")
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return()
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endif()
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(SFML_OS_UNIX 1)
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if(ANDROID)
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set(SFML_OS_ANDROID 1)
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# use the OpenGL ES implementation on Android
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set(OPENGL_ES 1)
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else()
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set(SFML_OS_LINUX 1)
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# don't use the OpenGL ES implementation on Linux
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set(OPENGL_ES 0)
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endif()
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elseif(CMAKE_SYSTEM_NAME MATCHES "^k?FreeBSD$")
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set(SFML_OS_FREEBSD 1)
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# don't use the OpenGL ES implementation on FreeBSD
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set(OPENGL_ES 0)
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elseif(CMAKE_SYSTEM_NAME MATCHES "^OpenBSD$")
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set(SFML_OS_OPENBSD 1)
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# don't use the OpenGL ES implementation on OpenBSD
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set(OPENGL_ES 0)
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
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if(IOS)
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set(SFML_OS_IOS 1)
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# use the OpenGL ES implementation on iOS
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set(OPENGL_ES 1)
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else()
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set(SFML_OS_MACOSX 1)
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# don't use the OpenGL ES implementation on Mac OS X
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set(OPENGL_ES 0)
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# detect OS X version. (use '/usr/bin/sw_vers -productVersion' to extract V from '10.V.x'.)
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EXEC_PROGRAM(/usr/bin/sw_vers ARGS -productVersion OUTPUT_VARIABLE MACOSX_VERSION_RAW)
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STRING(REGEX REPLACE "10\\.([0-9]+).*" "\\1" MACOSX_VERSION "${MACOSX_VERSION_RAW}")
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if(${MACOSX_VERSION} LESS 7)
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message(FATAL_ERROR "Unsupported version of OS X: ${MACOSX_VERSION_RAW}")
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return()
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endif()
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endif()
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Android")
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set(SFML_OS_ANDROID 1)
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# use the OpenGL ES implementation on Android
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set(OPENGL_ES 1)
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# comparing CMAKE_SYSTEM_NAME with "CYGWIN" generates a false warning depending on the CMake version
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# let's avoid it so the actual error is more visible
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elseif(${CYGWIN})
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message(FATAL_ERROR "Unfortunately SFML doesn't support Cygwin's 'hybrid' status between both Windows and Linux derivatives.\nIf you insist on using the GCC, please use a standalone build of MinGW without the Cygwin environment instead.")
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else()
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message(FATAL_ERROR "Unsupported operating system or environment")
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return()
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endif()
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# set pkgconfig install directory
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# this could be e.g. macports on mac or msys2 on windows etc.
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set(SFML_PKGCONFIG_DIR "/${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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if(SFML_OS_FREEBSD OR SFML_OS_OPENBSD)
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set(SFML_PKGCONFIG_DIR "/libdata/pkgconfig")
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endif()
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# detect the compiler and its version
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# Note: on some platforms (OS X), CMAKE_COMPILER_IS_GNUCXX is true
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# even when CLANG is used, therefore the Clang test is done first
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if(CMAKE_CXX_COMPILER MATCHES "clang[+][+]" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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# CMAKE_CXX_COMPILER_ID is an internal CMake variable subject to change,
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# but there is no other way to detect CLang at the moment
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set(SFML_COMPILER_CLANG 1)
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execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE CLANG_VERSION_OUTPUT)
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string(REGEX REPLACE ".*clang version ([0-9]+\\.[0-9]+).*" "\\1" SFML_CLANG_VERSION "${CLANG_VERSION_OUTPUT}")
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elseif(CMAKE_COMPILER_IS_GNUCXX)
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set(SFML_COMPILER_GCC 1)
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execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-dumpversion" OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
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string(REGEX REPLACE "([0-9]+\\.[0-9]+).*" "\\1" SFML_GCC_VERSION "${GCC_VERSION_OUTPUT}")
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execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE GCC_COMPILER_VERSION)
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string(REGEX MATCHALL ".*(tdm[64]*-[1-9]).*" SFML_COMPILER_GCC_TDM "${GCC_COMPILER_VERSION}")
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execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-dumpmachine" OUTPUT_VARIABLE GCC_MACHINE)
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string(STRIP "${GCC_MACHINE}" GCC_MACHINE)
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if(GCC_MACHINE MATCHES ".*w64.*")
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set(SFML_COMPILER_GCC_W64 1)
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endif()
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elseif(MSVC)
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set(SFML_COMPILER_MSVC 1)
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if(MSVC_VERSION EQUAL 1400)
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set(SFML_MSVC_VERSION 8)
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elseif(MSVC_VERSION EQUAL 1500)
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set(SFML_MSVC_VERSION 9)
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elseif(MSVC_VERSION EQUAL 1600)
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set(SFML_MSVC_VERSION 10)
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elseif(MSVC_VERSION EQUAL 1700)
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set(SFML_MSVC_VERSION 11)
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elseif(MSVC_VERSION EQUAL 1800)
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set(SFML_MSVC_VERSION 12)
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elseif(MSVC_VERSION EQUAL 1900)
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set(SFML_MSVC_VERSION 14)
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endif()
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else()
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message(FATAL_ERROR "Unsupported compiler")
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return()
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endif()
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