sys/boot/i386/Makefile.inc

   1 # Common defines for all of /sys/boot/i386/
   2 #
   3 # $FreeBSD$
   4
   5 BINDIR?=        /boot
   6
   7 LOADER_ADDRESS?=0x200000
   8 CFLAGS+=        -march=i386 -ffreestanding
   9 CFLAGS.gcc+=    -mpreferred-stack-boundary=2
  10 CFLAGS+=        -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float
  11 LDFLAGS+=       -nostdlib
  12
  13 .if ${MACHINE_CPUARCH} == "amd64"
  14 CFLAGS+=        -m32
  15 ACFLAGS+=       -m32
  16 # LD_FLAGS is passed directly to ${LD}, not via ${CC}:
  17 LD_FLAGS+=      -m elf_i386_fbsd
  18 AFLAGS+=        --32
  19 .endif
  20
  21 # BTX components
  22 .if exists(${.OBJDIR}/../btx)
  23 BTXDIR=         ${.OBJDIR}/../btx
  24 .else
  25 BTXDIR=         ${.CURDIR}/../btx
  26 .endif
  27 BTXLDR=         ${BTXDIR}/btxldr/btxldr
  28 BTXKERN=        ${BTXDIR}/btx/btx
  29 BTXCRT=         ${BTXDIR}/lib/crt0.o
  30
  31 .include "../Makefile.inc"