Makefile

   1 # output architecture: x64, x86, arm
   2 OUT = x64
   3
   4 # default assemblers
   5 ASx64 = fasm
   6 ASx86 = fasm
   7 ASarm = neatas
   8
   9 CC = ncc
  10 AS = $(AS$(OUT))
  11 CFLAGS = -O2 -I.
  12
  13 all: start.o libc.a
  14
  15 %.o: %.s
  16         $(AS) $^ >/dev/null
  17 %.o: %.c
  18         $(CC) -c $(CFLAGS) $^
  19
  20 OBJS1 = $(patsubst %.c,%.o,$(wildcard *.c))
  21 OBJS2 = $(patsubst %.s,%.o,$(wildcard $(OUT)/*.s))
  22
  23 start.o: $(OUT)/start.o
  24         cp $(OUT)/start.o .
  25 libc.a: $(OBJS1) $(OBJS2)
  26         $(AR) rcs $@ $(OBJS1) $(OBJS2)
  27
  28 clean:
  29         rm -f *.o *.a x86/*.o arm/*.o x64/*.o