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132 lines
3.3 KiB
CMake
132 lines
3.3 KiB
CMake
function(target_architecture output_var)
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set(archdetect_c_code "
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#if defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM)
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#error cmake_ARCH arm
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#elif defined(__aarch64__) || defined(_M_ARM64)
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#error cmake_ARCH aarch64
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#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
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#error cmake_ARCH x86
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#elif defined(__x86_64) || defined(x__x86_64__) || defined(__amd64) || defined(_M_X64)
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#error cmake_ARCH x86_64
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#elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
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#error cmake_ARCH ia64
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#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC) || defined(_M_MPPC) || defined(_M_PPC)
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#if defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
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#error cmake_ARCH ppc64
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#else
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#error cmake_ARCH ppc
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#endif
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#elif defined(__mips64)
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#error cmake_ARCH mips64
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#elif defined(__mips)
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#error cmake_ARCH mips
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#endif
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#error cmake_ARCH unknown
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")
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set(F "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/_test_.c")
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file(WRITE ${F} "${archdetect_c_code}")
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enable_language(C)
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try_run(
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run_result_unused
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compile_result_unused
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"${CMAKE_BINARY_DIR}"
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"${F}"
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COMPILE_OUTPUT_VARIABLE ARCH
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CMAKE_FLAGS CMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
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)
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file(REMOVE "${F}" "${osdetect_c_code}")
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string(REGEX MATCH "cmake_ARCH ([a-zA-Z0-9_]+)" ARCH "${ARCH}")
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string(REPLACE "cmake_ARCH " "" ARCH "${ARCH}")
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if (NOT ARCH)
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set(ARCH unknown)
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endif()
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set(${output_var} "${ARCH}" PARENT_SCOPE)
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endfunction()
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function(target_os output_var)
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set(osdetect_c_code "
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#if defined(_WIN32) || defined(_WIN64)
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#error cmake_OS windows
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#elif defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
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#error cmake_OS linux
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#elif defined(__APPLE__) && defined(TARGET_OS_MAC)
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#error cmake_OS osx
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#elif defined(__unix__)
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#error cmake_OS unix
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#endif
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#error cmake_ARCH unknown
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")
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set(F "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/_test_.c")
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file(WRITE ${F} "${osdetect_c_code}")
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enable_language(C)
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try_run(
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run_result_unused
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compile_result_unused
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"${CMAKE_BINARY_DIR}"
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"${F}"
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COMPILE_OUTPUT_VARIABLE OS
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CMAKE_FLAGS CMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
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)
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file(REMOVE "${F}" "${osdetect_c_code}")
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string(REGEX MATCH "cmake_OS ([a-zA-Z0-9_]+)" OS "${OS}")
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string(REPLACE "cmake_OS " "" OS "${OS}")
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if (NOT OS)
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set(OS unknown)
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endif()
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set(${output_var} "${OS}" PARENT_SCOPE)
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endfunction()
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macro(CHECK_INCLUDE_FILES_ERROR INCLUDE_FILES HAVE_FILE)
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CHECK_INCLUDE_FILES("${INCLUDE_FILES}" ${HAVE_FILE})
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IF(NOT ${HAVE_FILE})
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message(FATAL_ERROR "${INCLUDE_FILE} not found")
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ENDIF()
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endmacro()
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function(find_library_error VAR LIB)
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find_library(${VAR} ${LIB})
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IF (NOT ${VAR})
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message(FATAL_ERROR "lib ${LIB} not found")
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ENDIF()
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endfunction()
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function(find_and_test_library VAR LIB INCLUDES SYM)
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find_library_error(${VAR} "${LIB}")
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CHECK_INCLUDE_FILES_ERROR("${INCLUDES}" _HAVE_FILE)
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set(CMAKE_REQUIRED_LIBRARIES "${${VAR}}")
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set(HAVE_SYM "_HAVE_SYM_${SYM}")
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check_symbol_exists("${SYM}" "${INCLUDES}" ${HAVE_SYM})
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IF (NOT ${HAVE_SYM})
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message(FATAL_ERROR "symbol ${SYM} not found in library ${LIB}")
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endif()
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endfunction()
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function(echo_all_cmake_variable_values)
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get_cmake_property(vs VARIABLES)
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foreach(v ${vs})
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message(STATUS "${v}='${${v}}'")
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endforeach(v)
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endfunction()
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