rules.mak

   1
   2 # Don't use implicit rules or variables
   3 # we have explicit rules for everything
   4 MAKEFLAGS += -rR
   5
   6 # Files with this suffixes are final, don't try to generate them
   7 # using implicit rules
   8 %.d:
   9 %.h:
  10 %.c:
  11 %.m:
  12 %.mak:
  13
  14 %.o: %.c
  15         $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
  16
  17 %.o: %.S
  18         $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
  19
  20 %.o: %.m
  21         $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
  22
  23 LINK = $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS) $(ARLIBS_END) $(LIBS),"  LINK  $(TARGET_DIR)$@")
  24
  25 %$(EXESUF): %.o
  26         $(call LINK,$^)
  27
  28 %.a:
  29         $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"  AR    $(TARGET_DIR)$@")
  30
  31 quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
  32
  33 # cc-option
  34 # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
  35
  36 cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
  37               >/dev/null 2>&1 && echo OK), $2, $3)
  38
  39 # Generate timestamp files for .h include files
  40
  41 %.h: %.h-timestamp
  42         @test -f $@ || cp $< $@
  43
  44 %.h-timestamp: %.mak
  45         $(call quiet-command, $(SRC_PATH)/create_config < $< > $@, "  GEN   $*.h")
  46         @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h