43 lines
1.3 KiB
CMake
43 lines
1.3 KiB
CMake
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# Returns the host triple.
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# Invokes config.guess
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function( get_host_triple var )
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if( MSVC )
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if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
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set( value "x86_64-pc-windows-msvc" )
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else()
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set( value "i686-pc-windows-msvc" )
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endif()
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elseif( MINGW AND NOT MSYS )
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if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
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set( value "x86_64-w64-windows-gnu" )
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else()
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set( value "i686-pc-windows-gnu" )
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endif()
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elseif( CMAKE_SYSTEM_NAME MATCHES "OS390" )
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set( value "s390x-ibm-zos" )
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elseif( CMAKE_SYSTEM_NAME STREQUAL AIX )
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# We defer to dynamic detection of the host AIX version.
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if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
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set( value "powerpc64-ibm-aix" )
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else()
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set( value "powerpc-ibm-aix" )
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endif()
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else( MSVC )
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if(CMAKE_HOST_SYSTEM_NAME STREQUAL Windows AND NOT MSYS)
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message(WARNING "unable to determine host target triple")
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else()
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set(config_guess ${LLVM_MAIN_SRC_DIR}/cmake/config.guess)
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execute_process(COMMAND sh ${config_guess}
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RESULT_VARIABLE TT_RV
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OUTPUT_VARIABLE TT_OUT
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if( NOT TT_RV EQUAL 0 )
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message(FATAL_ERROR "Failed to execute ${config_guess}")
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endif( NOT TT_RV EQUAL 0 )
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set( value ${TT_OUT} )
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endif()
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endif( MSVC )
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set( ${var} ${value} PARENT_SCOPE )
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endfunction( get_host_triple var )
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