freebsd-dev/sys/boot/i386/Makefile.inc
David E. O'Brien 0ed36875f4 Ensure GCC does not use FP registers in integer code.
I think all we really need is -fno-sse2.
I really don't like cluttering up the compiler invocation,
but this bigger hammer will fix reported problems for now.
2005-03-15 18:43:36 +00:00

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515 B
Makefile

# Common defines for all of /sys/boot/i386/
#
# $FreeBSD$
BINDIR?= /boot
LOADER_ADDRESS?=0x200000
CFLAGS+= -ffreestanding -mpreferred-stack-boundary=2 \
-mno-mmx -mno-3dnow -mno-sse -mno-sse2
LDFLAGS+= -nostdlib
.if ${MACHINE_ARCH} == "amd64"
CFLAGS+= -m32
LDFLAGS+= -m elf_i386_fbsd
AFLAGS+= --32
.endif
# BTX components
.if exists(${.OBJDIR}/../btx)
BTXDIR= ${.OBJDIR}/../btx
.else
BTXDIR= ${.CURDIR}/../btx
.endif
BTXLDR= ${BTXDIR}/btxldr/btxldr
BTXKERN= ${BTXDIR}/btx/btx
BTXCRT= ${BTXDIR}/lib/crt0.o