mod_wk.d/krm/mod.o: File format not recognized

[Saul O. Reyes]

Tried to rebuild kernel with sam and manually and keep getting the followin error:

Generating module: krm...
nm: mod_wk.d/krm/mod.o: File format not recognized
nm: mod_wk.d/krm/_mod.o: File format not recognized
/usr/ccs/bin/ar: /usr/conf/lib/libwhat.a: File format not recognized
*** Error exit code 1 (ignored)
Compiling conf.c...
/usr/ccs/bin/ar: /usr/conf/lib/libinit-pdk.a: File format not recognized
*** Error exit code 1

Stop.
config: make did an exit(1)

Any ideas....