29 lines
1.1 KiB
CMake
29 lines
1.1 KiB
CMake
# attempt to find a consistent name for the host (the architecture on which
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# the code will execute)
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macro (canonical_host)
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if (NOT DEFINED host_cpu)
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message (STATUS "checking the host CPU")
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# we have a sane compiler, so ask it directly for the architecture.
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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execute_process (
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COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine
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RESULT_VARIABLE __canonical_host_result
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OUTPUT_VARIABLE __canonical_host_output
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)
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if (${__canonical_host_result})
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message (FATAL_ERROR "unable to query for canonical host")
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endif (${__canonical_host_result})
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string(REGEX MATCH "^([^-\]+)" host_cpu ${__canonical_host_output})
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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set (host_cpu "x86_64")
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else ()
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message (FATAL_ERROR "unknown compiler")
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endif ()
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message (STATUS "checking the host CPU - found '${host_cpu}'")
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endif ()
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endmacro (canonical_host)
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