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llvm-mirror/cmake/modules/GetHostTriple.cmake
Chandler Carruth f26c121c21 Undo an over zealous rename. This bit of the CMake build really is
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
2012-01-24 18:00:44 +00:00

31 lines
888 B
CMake

# Returns the host triple.
# Invokes config.guess
function( get_host_triple var )
if( MSVC )
if( CMAKE_CL_64 )
set( value "x86_64-pc-win32" )
else()
set( value "i686-pc-win32" )
endif()
elseif( MINGW AND NOT MSYS )
if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
set( value "x86_64-w64-mingw32" )
else()
set( value "i686-pc-mingw32" )
endif()
else( MSVC )
set(config_guess ${LLVM_MAIN_SRC_DIR}/autoconf/config.guess)
execute_process(COMMAND sh ${config_guess}
RESULT_VARIABLE TT_RV
OUTPUT_VARIABLE TT_OUT
OUTPUT_STRIP_TRAILING_WHITESPACE)
if( NOT TT_RV EQUAL 0 )
message(FATAL_ERROR "Failed to execute ${config_guess}")
endif( NOT TT_RV EQUAL 0 )
set( value ${TT_OUT} )
endif( MSVC )
set( ${var} ${value} PARENT_SCOPE )
message(STATUS "Target triple: ${value}")
endfunction( get_host_triple var )