Index: /usr/src/sys/conf/Makefile.powerpc
===================================================================
--- /usr/src/sys/conf/Makefile.powerpc	(revision 311147)
+++ /usr/src/sys/conf/Makefile.powerpc	(working copy)
@@ -39,7 +39,11 @@
 # Force __SPE__, since the builtin will be removed later with -mno-spe
 CFLAGS+= -mabi=spe -D__SPE__
 .endif
+.if ${COMPILER_TYPE} == "gcc"
 CFLAGS+= -msoft-float -Wa,-many
+.else
+CFLAGS+= -msoft-float
+.endif
 
 # Build position-independent kernel
 CFLAGS+= -fPIC