--- cmake/modules/DetectMachine.cmake.orig 2015-03-07 20:47:14.000000000 -0600 +++ cmake/modules/DetectMachine.cmake 2015-05-11 10:32:47.000000000 -0500 @@ -20,7 +20,7 @@ SET(IS_X86 TRUE) ENDIF(WIN64) ELSE(WIN32) - EXEC_PROGRAM( ${CMAKE_C_COMPILER} ARGS "-dumpmachine" OUTPUT_VARIABLE Machine ) + EXEC_PROGRAM( ${CMAKE_C_COMPILER} ARGS "-dumpmachine ${CMAKE_C_FLAGS}" OUTPUT_VARIABLE Machine ) MESSAGE("Machine: ${Machine}") STRING(REGEX MATCH "i.86" IS_X86 "${Machine}") STRING(REGEX MATCH "86_64" IS_X86_64 "${Machine}")