dos/Makefile

   1 gcc_ok   = $(shell if gcc $(1) -c -x c /dev/null -o /dev/null 2>/dev/null; \
   2                    then echo $(1); else echo $(2); fi)
   3
   4 M32       := $(call gcc_ok,-m32,) $(call gcc_ok,-ffreestanding,) $(call gcc_ok,-fno-stack-protector,)
   5
   6 CC       = gcc
   7 LD       = ld -m elf_i386
   8 OBJCOPY  = objcopy
   9 OPTFLAGS = -g -Os -march=i386 -falign-functions=0 -falign-jumps=0 -falign-loops=0 -fomit-frame-pointer
  10 INCLUDES = -include code16.h -I. -I.. -I../libfat
  11 CFLAGS   = $(M32) -mregparm=3 -DREGPARM=3 -W -Wall -msoft-float $(OPTFLAGS) $(INCLUDES)
  12 LDFLAGS  = -T com16.ld
  13 AR       = ar
  14 RANLIB   = ranlib
  15 LIBGCC  := $(shell $(CC) --print-libgcc)
  16
  17 SRCS     = syslinux.c \
  18            ../syslxmod.c ../bootsect_bin.c ../ldlinux_bin.c ../mbr_bin.c \
  19            $(wildcard ../libfat/*.c)
  20 OBJS     = crt0.o $(patsubst %.c,%.o,$(notdir $(SRCS)))
  21 LIBOBJS  = conio.o memcpy.o memset.o  skipatou.o atou.o malloc.o free.o \
  22            argv.o printf.o __divdi3.o __udivmoddi4.o
  23
  24 .SUFFIXES: .c .o .i .s .S .elf .com
  25
  26 VPATH = .:..:../libfat
  27
  28 TARGETS = syslinux.com
  29
  30 all: $(TARGETS)
  31
  32 tidy:
  33         -rm -f *.o *.i *.s *.a .*.d *.elf
  34
  35 clean: tidy
  36
  37 spotless: clean
  38         -rm -f *~ $(TARGETS)
  39
  40 installer:
  41
  42 syslinux.elf: $(OBJS) libcom.a
  43         $(LD) $(LDFLAGS) -o $@ $^
  44
  45 libcom.a: $(LIBOBJS)
  46         -rm -f $@
  47         $(AR) cq $@ $^
  48         $(RANLIB) $@
  49
  50 syslinux.com: syslinux.elf
  51         $(OBJCOPY) -O binary $< $@
  52
  53 %.o: %.c
  54         $(CC) -Wp,-MT,$@,-MD,.$@.d $(CFLAGS) -c -o $@ $<
  55 %.i: %.c
  56         $(CC) $(CFLAGS) -E -o $@ $<
  57 %.s: %.c
  58         $(CC) $(CFLAGS) -S -o $@ $<
  59 %.o: %.S
  60         $(CC) -Wp,-MT,$@,-MD,.$@.d $(CFLAGS) -D__ASSEMBLY__ -c -o $@ $<
  61 %.s: %.S
  62         $(CC) $(CFLAGS) -E -o $@ $<
  63
  64 -include .*.d