[mythtv] configure did not detect my cpu

[Björn Bengtsson]

 *** WARNING *** 
 Your CPU was not detected properly:
   uname -m: i686
   uname -p: AMD Athlon(TM)Processor
 model name: AMD Athlon(TM)Processor
      flags: fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov
pat pse36 mmx fxsr pni syscall mmxext 3dnowext 3dnow

 If you are using a recent CVS checkout, 
 please e-mail the above to mythtv-dev at mythtv.org
 With a subject "configure did not detect my cpu"