LXR qemu/rules.mak

   1
   2# Don't use implicit rules or variables
   3# we have explicit rules for everything
   4MAKEFLAGS += -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# Flags for dependency generation
  15QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
  16
  17%.o: %.c
  18        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
  19
  20%.o: %.S
  21        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
  22
  23%.o: %.m
  24        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
  25
  26LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(LIBS),"  LINK  $(TARGET_DIR)$@")
  27
  28%$(EXESUF): %.o
  29        $(call LINK,$^)
  30
  31%.a:
  32        $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"  AR    $(TARGET_DIR)$@")
  33
  34quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
  35
  36# cc-option
  37# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
  38
  39cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
  40              >/dev/null 2>&1 && echo OK), $2, $3)
  41
  42VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
  43set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
  44
  45# find-in-path
  46# Usage: $(call find-in-path, prog)
  47# Looks in the PATH if the argument contains no slash, else only considers one
  48# specific directory.  Returns an # empty string if the program doesn't exist
  49# there.
  50find-in-path = $(if $(find-string /, $1), \
  51        $(wildcard $1), \
  52        $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
  53
  54# Generate timestamp files for .h include files
  55
  56%.h: %.h-timestamp
  57        @test -f $@ || cp $< $@
  58
  59%.h-timestamp: %.mak
  60        $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $*.h")
  61        @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
  62
  63# will delete the target of a rule if commands exit with a nonzero exit status
  64.DELETE_ON_ERROR:
  65