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# detect the OS
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
set(SFML_OS_WINDOWS 1)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(SFML_OS_LINUX 1)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
set(SFML_OS_FREEBSD 1)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(SFML_OS_MACOSX 1)
else()
message(FATAL_ERROR "Unsupported operating system")
return()
endif()
# set pkgconfig install directory
# this could be e.g. macports on mac or msys2 on windows etc.
set(CSFML_PKGCONFIG_DIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
if(SFML_OS_FREEBSD OR SFML_OS_OPENBSD OR SFML_OS_NETBSD)
set(CSFML_PKGCONFIG_DIR "libdata/pkgconfig")
endif()
# detect the compiler and its version
# Note: The detection is order is important because:
# - Visual Studio can both use MSVC and Clang
# - GNUCXX can still be set on macOS when using Clang
if(MSVC)
set(SFML_COMPILER_MSVC 1)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(SFML_COMPILER_CLANG_CL 1)
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(SFML_COMPILER_CLANG 1)
elseif(CMAKE_COMPILER_IS_GNUCXX)
set(SFML_COMPILER_GCC 1)
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE GCC_COMPILER_VERSION)
string(REGEX MATCHALL ".*(tdm[64]*-[1-9]).*" SFML_COMPILER_GCC_TDM "${GCC_COMPILER_VERSION}")
else()
message(WARNING "Unsupported compiler")
return()
endif()
# define the install directory for miscellaneous files
if(SFML_OS_WINDOWS)
set(INSTALL_MISC_DIR .)
elseif(SFML_OS_LINUX OR SFML_OS_FREEBSD OR SFML_OS_MACOSX)
set(INSTALL_MISC_DIR share/CSFML)
endif()
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