CMake/Modules/CMakeDetermineASMCompiler.cmake
Brad King 0d0aa98c84 ASM: Record vendor-specific output matched to identify assembler
For example, with GNU `as`, we match `GNU assembler`, but with GNU `gcc`
as the assembler, we do not match anything.  Distinguishing these cases
may be useful for constructing assembler command lines.
2020-03-12 10:07:30 -04:00

243 lines
10 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# determine the compiler to use for ASM programs
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
# prefer the environment variable ASM
if(NOT $ENV{ASM${ASM_DIALECT}} STREQUAL "")
get_filename_component(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT $ENV{ASM${ASM_DIALECT}} PROGRAM PROGRAM_ARGS CMAKE_ASM${ASM_DIALECT}_FLAGS_ENV_INIT)
if(CMAKE_ASM${ASM_DIALECT}_FLAGS_ENV_INIT)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1 "${CMAKE_ASM${ASM_DIALECT}_FLAGS_ENV_INIT}" CACHE STRING "First argument to ASM${ASM_DIALECT} compiler")
endif()
if(NOT EXISTS ${CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT})
message(FATAL_ERROR "Could not find compiler set in environment variable ASM${ASM_DIALECT}:\n$ENV{ASM${ASM_DIALECT}}.")
endif()
endif()
# finally list compilers to try
if("ASM${ASM_DIALECT}" STREQUAL "ASM") # the generic assembler support
if(NOT CMAKE_ASM_COMPILER_INIT)
if(CMAKE_C_COMPILER)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${CMAKE_C_COMPILER})
elseif(CMAKE_CXX_COMPILER)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${CMAKE_CXX_COMPILER})
else()
# List all default C and CXX compilers
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST
${_CMAKE_TOOLCHAIN_PREFIX}cc ${_CMAKE_TOOLCHAIN_PREFIX}gcc cl bcc xlc
CC ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ aCC cl bcc xlC)
endif()
endif()
else() # some specific assembler "dialect"
if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT AND NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST)
message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT or CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST must be preset !")
endif()
endif()
# Find the compiler.
_cmake_find_compiler(ASM${ASM_DIALECT})
else()
_cmake_find_compiler_path(ASM${ASM_DIALECT})
endif()
mark_as_advanced(CMAKE_ASM${ASM_DIALECT}_COMPILER)
if (NOT _CMAKE_TOOLCHAIN_LOCATION)
get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
endif ()
if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
# Table of per-vendor compiler id flags with expected output.
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS GNU )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "(GNU assembler)|(GCC)|(Free Software Foundation)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS Clang )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_Clang "--version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_Clang "(clang version)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS AppleClang )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_AppleClang "--version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_AppleClang "(Apple LLVM version)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS ARMClang )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_ARMClang "--version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_ARMClang "armclang")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS HP )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_HP "-V")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_HP "HP C")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS Intel )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_Intel "--version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_Intel "(ICC)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS SunPro )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_SunPro "-V")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_SunPro "Sun C")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS XL )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_XL "-qversion")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_XL "XL C")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS MSVC )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_MSVC "-?")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_MSVC "Microsoft")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS TI )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_TI "-h")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_TI "Texas Instruments")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS IAR)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_IAR )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_IAR "IAR Assembler")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS ARMCC)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_ARMCC )
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_ARMCC "(ARM Compiler)|(ARM Assembler)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS NASM)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_NASM "-v")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_NASM "(NASM version)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS YASM)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_YASM "--version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_YASM "(yasm)")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS ADSP)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_ADSP "-version")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_ADSP "Analog Devices")
list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS QCC)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_QCC "-V")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_QCC "gcc_nto")
include(CMakeDetermineCompilerId)
set(userflags)
CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT} "${userflags}")
if("x${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}" STREQUAL "xIAR")
# primary necessary to detect architecture, so the right archiver and linker can be picked
# eg. "IAR Assembler V8.10.1.12857/W32 for ARM" or "IAR Assembler V4.11.1.4666 for Renesas RX"
# Cut out identification first, newline handling is a pain
string(REGEX MATCH "IAR Assembler[^\r\n]*" _compileid "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_OUTPUT}")
if("${_compileid}" MATCHES "V([0-9]+\\.[0-9]+\\.[0-9]+)")
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_VERSION ${CMAKE_MATCH_1})
endif()
string(REGEX MATCHALL "([A-Za-z0-9-]+)" _all_compileid_matches "${_compileid}")
if(_all_compileid_matches)
list(GET _all_compileid_matches "-1" CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID)
endif()
endif()
unset(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_OUTPUT)
unset(_all_compileid_matches)
unset(_compileid)
endif()
if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
if(CMAKE_ASM${ASM_DIALECT}_COMPILER_VERSION)
set(_version " ${CMAKE_ASM${ASM_DIALECT}_COMPILER_VERSION}")
else()
set(_version "")
endif()
if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID AND "x${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}" STREQUAL "xIAR")
set(_archid " ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}")
else()
set(_archid "")
endif()
message(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}${_archid}${_version}")
unset(_archid)
unset(_version)
else()
message(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
endif()
# If we have a gas/as cross compiler, they have usually some prefix, like
# e.g. powerpc-linux-gas, arm-elf-gas or i586-mingw32msvc-gas , optionally
# with a 3-component version number at the end
# The other tools of the toolchain usually have the same prefix
# NAME_WE cannot be used since then this test will fail for names like
# "arm-unknown-nto-qnx6.3.0-gas.exe", where BASENAME would be
# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
if (NOT _CMAKE_TOOLCHAIN_PREFIX)
get_filename_component(COMPILER_BASENAME "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" NAME)
if (COMPILER_BASENAME MATCHES "^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
endif ()
endif ()
# Now try the C compiler regexp:
if (NOT _CMAKE_TOOLCHAIN_PREFIX)
if (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
endif ()
endif ()
# Finally try the CXX compiler regexp:
if (NOT _CMAKE_TOOLCHAIN_PREFIX)
if (COMPILER_BASENAME MATCHES "^(.+-)[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
endif ()
endif ()
set(_CMAKE_PROCESSING_LANGUAGE "ASM")
include(CMakeFindBinUtils)
include(Compiler/${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}-FindBinUtils OPTIONAL)
unset(_CMAKE_PROCESSING_LANGUAGE)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR "ASM${ASM_DIALECT}")
if(CMAKE_ASM${ASM_DIALECT}_COMPILER)
message(STATUS "Found assembler: ${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
else()
message(STATUS "Didn't find assembler")
endif()
foreach(_var
COMPILER
COMPILER_ID
COMPILER_ARG1
COMPILER_ENV_VAR
COMPILER_AR
COMPILER_RANLIB
COMPILER_VERSION
)
set(_CMAKE_ASM_${_var} "${CMAKE_ASM${ASM_DIALECT}_${_var}}")
endforeach()
if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_MATCH)
set(_SET_CMAKE_ASM_COMPILER_ID_VENDOR_MATCH
"set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_MATCH [==[${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_MATCH}]==])")
else()
set(_SET_CMAKE_ASM_COMPILER_ID_VENDOR_MATCH "")
endif()
if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID)
set(_SET_CMAKE_ASM_COMPILER_ARCHITECTURE_ID
"set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID})")
else()
set(_SET_CMAKE_ASM_COMPILER_ARCHITECTURE_ID "")
endif()
# configure variables set in this file for fast reload later on
configure_file(${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeASM${ASM_DIALECT}Compiler.cmake @ONLY)
foreach(_var
COMPILER
COMPILER_ID
COMPILER_ARG1
COMPILER_ENV_VAR
COMPILER_AR
COMPILER_RANLIB
COMPILER_VERSION
)
unset(_CMAKE_ASM_${_var})
endforeach()