cxd4/rsp — pull request #1 by tj90241 (2013-09-21 05:54:09+00:00)
Title: Do not pass -m3dnow to gcc.

The 3DNow! instruction set is not supported by Intel processors.
Although gcc will not likely emit 3DNow! instructions, it is
dangerous to permit 3DNow! instructions due to the fact that Intel
has never supported 3DNow! instructions.