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f26c121c21
dealing in the host triple, be honest about it and document the decision to default the target triple to the host triple unless overridden. llvm-svn: 148822
31 lines
888 B
CMake
31 lines
888 B
CMake
# 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_CL_64 )
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set( value "x86_64-pc-win32" )
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else()
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set( value "i686-pc-win32" )
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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-mingw32" )
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else()
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set( value "i686-pc-mingw32" )
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endif()
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else( MSVC )
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set(config_guess ${LLVM_MAIN_SRC_DIR}/autoconf/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( MSVC )
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set( ${var} ${value} PARENT_SCOPE )
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message(STATUS "Target triple: ${value}")
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endfunction( get_host_triple var )
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