40b175adf4
There is no need to check for macOS 10.6 or lower. Snow Leopard came
out in 2009. Because it's nearly 13 years old, it's safe to say
nobody will be trying to build SFML 3 on Snow Leopard.
This was added in de70f691e way back in 2011 when Snow Leopard was
a mere cub.
93 lines
3.1 KiB
CMake
93 lines
3.1 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 MATCHES "^NetBSD$")
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set(SFML_OS_NETBSD 1)
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# don't use the OpenGL ES implementation on NetBSD
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set(OPENGL_ES 0)
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elseif(${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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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 "/${CMAKE_INSTALL_LIBDIR}/pkgconfig")
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if(SFML_OS_FREEBSD OR SFML_OS_OPENBSD OR SFML_OS_NETBSD)
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set(SFML_PKGCONFIG_DIR "/libdata/pkgconfig")
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endif()
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# detect the compiler
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# Note: The detection is order is important because:
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# - Visual Studio can both use MSVC and Clang
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# - GNUCXX can still be set on macOS when using Clang
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if(MSVC)
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set(SFML_COMPILER_MSVC 1)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(SFML_COMPILER_CLANG 1)
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elseif(CMAKE_COMPILER_IS_GNUCXX)
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set(SFML_COMPILER_GCC 1)
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execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--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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else()
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message(FATAL_ERROR "Unsupported compiler")
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return()
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endif()
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