175 lines
7.2 KiB
CMake
175 lines
7.2 KiB
CMake
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#=============================================================================
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# Copyright 2007-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# determine the compiler to use for ASM programs
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
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if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
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# prefer the environment variable ASM
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if($ENV{ASM${ASM_DIALECT}} MATCHES ".+")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT "$ENV{ASM${ASM_DIALECT}}")
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endif()
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# finally list compilers to try
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if("ASM${ASM_DIALECT}" STREQUAL "ASM") # the generic assembler support
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if(NOT CMAKE_ASM_COMPILER_INIT)
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if(CMAKE_C_COMPILER)
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set(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}" CACHE FILEPATH "The ASM compiler")
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set(CMAKE_ASM_COMPILER_ID "${CMAKE_C_COMPILER_ID}")
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elseif(CMAKE_CXX_COMPILER)
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set(CMAKE_ASM_COMPILER "${CMAKE_CXX_COMPILER}" CACHE FILEPATH "The ASM compiler")
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set(CMAKE_ASM_COMPILER_ID "${CMAKE_CXX_COMPILER_ID}")
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else()
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# List all default C and CXX compilers
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST
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${_CMAKE_TOOLCHAIN_PREFIX}cc ${_CMAKE_TOOLCHAIN_PREFIX}gcc cl bcc xlc
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CC ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ aCC cl bcc xlC)
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endif()
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endif()
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else() # some specific assembler "dialect"
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if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT AND NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST)
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message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT or CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST must be preset !")
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endif()
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endif()
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# Find the compiler.
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_cmake_find_compiler(ASM${ASM_DIALECT})
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else()
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# we only get here if CMAKE_ASM${ASM_DIALECT}_COMPILER was specified using -D or a pre-made CMakeCache.txt
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# (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
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#
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# if a compiler was specified by the user but without path,
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# now try to find it with the full path
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# if it is found, force it into the cache,
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# if not, don't overwrite the setting (which was given by the user) with "NOTFOUND"
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get_filename_component(_CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
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if(NOT _CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH)
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find_program(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER})
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if(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER ${CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH} CACHE FILEPATH "Assembler" FORCE)
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endif()
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unset(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH CACHE)
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endif()
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endif()
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mark_as_advanced(CMAKE_ASM${ASM_DIALECT}_COMPILER)
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if (NOT _CMAKE_TOOLCHAIN_LOCATION)
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get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
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endif ()
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if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
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# Table of per-vendor compiler id flags with expected output.
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS GNU )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "(GNU assembler)|(GCC)|(Free Software Foundation)")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS HP )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_HP "-V")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_HP "HP C")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS Intel )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_Intel "--version")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_Intel "(ICC)")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS SunPro )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_SunPro "-V")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_SunPro "Sun C")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS XL )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_XL "-qversion")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_XL "XL C")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS MSVC )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_MSVC "/?")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_MSVC "Microsoft")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS TI )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_TI "-h")
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_TI "Texas Instruments")
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list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS GNU IAR)
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_IAR )
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_IAR "IAR Assembler")
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include(CMakeDetermineCompilerId)
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CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT})
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endif()
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if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
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message(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
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else()
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message(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
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endif()
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# If we have a gas/as cross compiler, they have usually some prefix, like
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# e.g. powerpc-linux-gas, arm-elf-gas or i586-mingw32msvc-gas , optionally
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# with a 3-component version number at the end
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# The other tools of the toolchain usually have the same prefix
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# NAME_WE cannot be used since then this test will fail for names lile
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# "arm-unknown-nto-qnx6.3.0-gas.exe", where BASENAME would be
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# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
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if (NOT _CMAKE_TOOLCHAIN_PREFIX)
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get_filename_component(COMPILER_BASENAME "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" NAME)
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if (COMPILER_BASENAME MATCHES "^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
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set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
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endif ()
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endif ()
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# Now try the C compiler regexp:
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if (NOT _CMAKE_TOOLCHAIN_PREFIX)
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if (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
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set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
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endif ()
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endif ()
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# Finally try the CXX compiler regexp:
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if (NOT _CMAKE_TOOLCHAIN_PREFIX)
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if (COMPILER_BASENAME MATCHES "^(.+-)[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
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set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
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endif ()
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endif ()
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include(CMakeFindBinUtils)
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set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR "ASM${ASM_DIALECT}")
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if(CMAKE_ASM${ASM_DIALECT}_COMPILER)
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message(STATUS "Found assembler: ${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
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else()
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message(STATUS "Didn't find assembler")
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endif()
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set(_CMAKE_ASM_COMPILER "${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
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set(_CMAKE_ASM_COMPILER_ID "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
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set(_CMAKE_ASM_COMPILER_ARG1 "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1}")
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set(_CMAKE_ASM_COMPILER_ENV_VAR "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR}")
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# configure variables set in this file for fast reload later on
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configure_file(${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeASM${ASM_DIALECT}Compiler.cmake IMMEDIATE @ONLY)
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set(_CMAKE_ASM_COMPILER)
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set(_CMAKE_ASM_COMPILER_ARG1)
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set(_CMAKE_ASM_COMPILER_ENV_VAR)
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