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# detect the OS
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(SFML_OS_WINDOWS 1)
# don't use the OpenGL ES implementation on Windows
set(OPENGL_ES 0)
# detect the architecture (note: this test won't work for cross-compilation)
include(CheckTypeSize)
check_type_size(void* SIZEOF_VOID_PTR)
if(${SIZEOF_VOID_PTR} STREQUAL "4")
set(ARCH_32BITS 1)
elseif(${SIZEOF_VOID_PTR} STREQUAL "8")
set(ARCH_64BITS 1)
else()
message(FATAL_ERROR "Unsupported architecture")
return()
endif()
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(SFML_OS_UNIX 1)
if(ANDROID)
set(SFML_OS_ANDROID 1)
# use the OpenGL ES implementation on Android
set(OPENGL_ES 1)
else()
set(SFML_OS_LINUX 1)
# don't use the OpenGL ES implementation on Linux
set(OPENGL_ES 0)
endif()
elseif(CMAKE_SYSTEM_NAME MATCHES "^k?FreeBSD$")
set(SFML_OS_FREEBSD 1)
# don't use the OpenGL ES implementation on FreeBSD
set(OPENGL_ES 0)
elseif(CMAKE_SYSTEM_NAME MATCHES "^OpenBSD$")
set(SFML_OS_OPENBSD 1)
# don't use the OpenGL ES implementation on OpenBSD
set(OPENGL_ES 0)
elseif(CMAKE_SYSTEM_NAME MATCHES "^NetBSD$")
set(SFML_OS_NETBSD 1)
# don't use the OpenGL ES implementation on NetBSD
set(OPENGL_ES 0)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
if(IOS)
set(SFML_OS_IOS 1)
# use the OpenGL ES implementation on iOS
set(OPENGL_ES 1)
else()
set(SFML_OS_MACOSX 1)
# don't use the OpenGL ES implementation on Mac OS X
set(OPENGL_ES 0)
# detect OS X version. (use '/usr/bin/sw_vers -productVersion' to extract V from '10.V.x'.)
EXEC_PROGRAM(/usr/bin/sw_vers ARGS -productVersion OUTPUT_VARIABLE MACOSX_VERSION_RAW)
STRING(REGEX REPLACE "10\\.([0-9]+).*" "\\1" MACOSX_VERSION "${MACOSX_VERSION_RAW}")
if(${MACOSX_VERSION} LESS 7)
message(FATAL_ERROR "Unsupported version of OS X: ${MACOSX_VERSION_RAW}")
return()
endif()
endif()
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Android")
set(SFML_OS_ANDROID 1)
# use the OpenGL ES implementation on Android
set(OPENGL_ES 1)
# comparing CMAKE_SYSTEM_NAME with "CYGWIN" generates a false warning depending on the CMake version
# let's avoid it so the actual error is more visible
elseif(${CYGWIN})
message(FATAL_ERROR "Unfortunately SFML doesn't support Cygwin's 'hybrid' status between both Windows and Linux derivatives.\nIf you insist on using the GCC, please use a standalone build of MinGW without the Cygwin environment instead.")
else()
message(FATAL_ERROR "Unsupported operating system or environment")
return()
endif()
# set pkgconfig install directory
# this could be e.g. macports on mac or msys2 on windows etc.
set(SFML_PKGCONFIG_DIR "/${CMAKE_INSTALL_LIBDIR}/pkgconfig")
if(SFML_OS_FREEBSD OR SFML_OS_OPENBSD OR SFML_OS_NETBSD)
set(SFML_PKGCONFIG_DIR "/libdata/pkgconfig")
endif()
# detect the compiler and its version
# Note: The detection is order is important because:
# - Visual Studio can both use MSVC and Clang
# - GNUCXX can still be set on macOS when using Clang
if(MSVC)
set(SFML_COMPILER_MSVC 1)
if(MSVC_VERSION EQUAL 1400)
set(SFML_MSVC_VERSION 8)
elseif(MSVC_VERSION EQUAL 1500)
set(SFML_MSVC_VERSION 9)
elseif(MSVC_VERSION EQUAL 1600)
set(SFML_MSVC_VERSION 10)
elseif(MSVC_VERSION EQUAL 1700)
set(SFML_MSVC_VERSION 11)
elseif(MSVC_VERSION EQUAL 1800)
set(SFML_MSVC_VERSION 12)
elseif(MSVC_VERSION EQUAL 1900)
set(SFML_MSVC_VERSION 14)
elseif(MSVC_VERSION LESS_EQUAL 1919)
set(SFML_MSVC_VERSION 15)
elseif(MSVC_VERSION LESS_EQUAL 1929)
set(SFML_MSVC_VERSION 16)
elseif(MSVC_VERSION LESS_EQUAL 1939)
set(SFML_MSVC_VERSION 17)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(SFML_COMPILER_CLANG_CL 1)
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(SFML_COMPILER_CLANG 1)
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE CLANG_VERSION_OUTPUT)
string(REGEX REPLACE ".*clang version ([0-9]+\\.[0-9]+).*" "\\1" SFML_CLANG_VERSION "${CLANG_VERSION_OUTPUT}")
elseif(CMAKE_COMPILER_IS_GNUCXX)
set(SFML_COMPILER_GCC 1)
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-dumpversion" OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
string(REGEX REPLACE "([0-9]+\\.[0-9]+).*" "\\1" SFML_GCC_VERSION "${GCC_VERSION_OUTPUT}")
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE GCC_COMPILER_VERSION)
string(REGEX MATCHALL ".*(tdm[64]*-[1-9]).*" SFML_COMPILER_GCC_TDM "${GCC_COMPILER_VERSION}")
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-dumpmachine" OUTPUT_VARIABLE GCC_MACHINE)
string(STRIP "${GCC_MACHINE}" GCC_MACHINE)
if(GCC_MACHINE MATCHES ".*w64.*")
set(SFML_COMPILER_GCC_W64 1)
endif()
else()
message(WARNING "Unrecognized compiler: ${CMAKE_CXX_COMPILER_ID}. Use at your own risk.")
endif()
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