Index: kernel/arch/sparc64/Makefile.inc
===================================================================
--- kernel/arch/sparc64/Makefile.inc	(revision 9c779e9aca896e24e09c086548960e0c5b27ded1)
+++ kernel/arch/sparc64/Makefile.inc	(revision 0743493a4e08f4592e45edfc40bfa33c3c4bacde)
@@ -31,5 +31,5 @@
 BFD = binary
 
-GCC_CFLAGS += -m64 -mcpu=ultrasparc -mcmodel=medlow
+GCC_CFLAGS += -m64 -mcpu=ultrasparc -mcmodel=medlow -mno-fpu
 SUNCC_CFLAGS += -m64 -xarch=sparc -xregs=appl,no%float