qemu/rules.mak
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   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
  20ifeq ($(LIBTOOL),)
  21%.lo: %.c
  22        @echo "missing libtool. please install and rerun configure"; exit 1
  23else
  24%.lo: %.c
  25        $(call quiet-command,libtool --mode=compile --quiet --tag=CC $(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
  26endif
  27
  28%.o: %.S
  29        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
  30
  31%.o: %.m
  32        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
  33
  34LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(LIBS),"  LINK  $(TARGET_DIR)$@")
  35
  36%$(EXESUF): %.o
  37        $(call LINK,$^)
  38
  39%.a:
  40        $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"  AR    $(TARGET_DIR)$@")
  41
  42quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
  43
  44# cc-option
  45# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
  46
  47cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
  48              >/dev/null 2>&1 && echo OK), $2, $3)
  49
  50VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
  51set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
  52
  53# find-in-path
  54# Usage: $(call find-in-path, prog)
  55# Looks in the PATH if the argument contains no slash, else only considers one
  56# specific directory.  Returns an # empty string if the program doesn't exist
  57# there.
  58find-in-path = $(if $(find-string /, $1), \
  59        $(wildcard $1), \
  60        $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
  61
  62# Generate timestamp files for .h include files
  63
  64%.h: %.h-timestamp
  65        @test -f $@ || cp $< $@
  66
  67%.h-timestamp: %.mak
  68        $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $*.h")
  69        @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
  70
  71# will delete the target of a rule if commands exit with a nonzero exit status
  72.DELETE_ON_ERROR:
  73