Buildworld Fails RELENG_7

[Mike Edenfield]

Dave Uhring wrote:

> cc -O2 -fno-strict-aliasing -pipe -m32 -march=athlon-mp -DTM_GMTOFF=tm_gmtoff -DTM_ZONE=tm_zone -DSTD_INSPIRED -DPCTS -DHAVE_LONG_DOUBLE -DTZDIR=\"/usr/share/zoneinfo\" -Demkdir=mkdir -I/usr/src/usr.sbin/zic/zdump/.. -I/usr/src/usr.sbin/zic/zdump/../../../lib/libc/stdtime   -o zdump zdump.o ialloc.o scheck.o 
> 
> I specified CPUTYPE?=k8 but make chose -march=athlon-mp.

This part is behaving as expected for FreeBSD; the make process coverts 
any of the athlon64 cpu types into athlon-mp.  Based on the gcc 
documentation I don't think it makes much difference; the only 
discrepancy between the two seems the presence of the 64-bit instruction 
set.