97 lines
3.5 KiB
CMake
97 lines
3.5 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 "iOS")
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set(SFML_OS_IOS 1)
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# As we want to find packages in our extlibs folder too
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# we need to tell CMake we want to search there instead
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# use the OpenGL ES implementation on iOS
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set(OPENGL_ES 1)
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elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
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set(SFML_OS_MACOSX 1)
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# don't use the OpenGL ES implementation on Mac OS X
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set(OPENGL_ES 0)
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elseif(${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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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(SFML_COMPILER_CLANG_CL 1)
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endif()
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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(WARNING "Unrecognized compiler: ${CMAKE_CXX_COMPILER_ID}. Use at your own risk.")
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endif()
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