33 lines
896 B
CMake
33 lines
896 B
CMake
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include_guard(GLOBAL)
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function (CHECK_EXECUTABLE executable result)
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set (${result} "UNKNOWN" PARENT_SCOPE)
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if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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set (tool otool -hv)
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else()
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set (tool "${CMAKE_COMMAND}" -E env LANG=C LC_ALL=C readelf -lW)
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endif()
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execute_process(COMMAND ${tool} "${executable}"
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OUTPUT_VARIABLE output
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ERROR_VARIABLE output)
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if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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if (output MATCHES "( |\t)PIE( |\n|$)")
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set (${result} "PIE" PARENT_SCOPE)
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else()
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set (${result} "NO_PIE" PARENT_SCOPE)
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endif()
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else()
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if (output MATCHES "Elf file type is DYN")
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set (${result} "PIE" PARENT_SCOPE)
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elseif (output MATCHES "Elf file type is EXEC")
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set (${result} "NO_PIE" PARENT_SCOPE)
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else()
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message(SEND_ERROR "Did not find a known file type")
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endif()
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endif()
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endfunction()
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