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# Same as -I$(SRC_PATH) -I., but for the nested source/object directories
  18QEMU_INCLUDES += -I$(<D) -I$(@D)
  19
  20%.o: %.c
  21        $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
  22%.o: %.rc
  23        $(call quiet-command,$(WINDRES) -I. -o $@ $<,"  RC    $(TARGET_DIR)$@")
  24
  25ifeq ($(LIBTOOL),)
  26LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
  27       $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \
  28       $(LIBS),"  LINK  $(TARGET_DIR)$@")
  29else
  30LIBTOOL += $(if $(V),,--quiet)
  31%.lo: %.c
  32        $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
  33%.lo: %.rc
  34        $(call quiet-command,$(LIBTOOL) --mode=compile --tag=RC $(WINDRES) -I. -o $@ $<,"lt RC   $(TARGET_DIR)$@")
  35%.lo: %.dtrace
  36        $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@")
  37
  38LINK = $(call quiet-command,\
  39       $(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \
  40       )$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
  41       $(sort $(filter %.o, $1)) $(filter-out %.o, $1) \
  42       $(if $(filter %.lo %.la,$^),$(version-lobj-y),$(version-obj-y)) \
  43       $(if $(filter %.lo %.la,$^),$(LIBTOOLFLAGS)) \
  44       $(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", "  LINK  ")"$(TARGET_DIR)$@")
  45endif
  46
  47%.asm: %.S
  48        $(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<,"  CPP   $(TARGET_DIR)$@")
  49
  50%.o: %.asm
  51        $(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<,"  AS    $(TARGET_DIR)$@")
  52
  53%.o: %.m
  54        $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
  55
  56%.o: %.dtrace
  57        $(call quiet-command,dtrace -o $@ -G -s $<, "  GEN   $(TARGET_DIR)$@")
  58
  59%$(EXESUF): %.o
  60        $(call LINK,$^)
  61
  62%.a:
  63        $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"  AR    $(TARGET_DIR)$@")
  64
  65quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
  66
  67# cc-option
  68# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
  69
  70cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
  71              >/dev/null 2>&1 && echo OK), $2, $3)
  72
  73VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi %.sh %.rc
  74set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
  75
  76# find-in-path
  77# Usage: $(call find-in-path, prog)
  78# Looks in the PATH if the argument contains no slash, else only considers one
  79# specific directory.  Returns an # empty string if the program doesn't exist
  80# there.
  81find-in-path = $(if $(find-string /, $1), \
  82        $(wildcard $1), \
  83        $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
  84
  85# Generate files with tracetool
  86TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
  87
  88# Generate timestamp files for .h include files
  89
  90config-%.h: config-%.h-timestamp
  91        @cmp $< $@ >/dev/null 2>&1 || cp $< $@
  92
  93config-%.h-timestamp: config-%.mak
  94        $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $(TARGET_DIR)config-$*.h")
  95
  96.PHONY: clean-timestamp
  97clean-timestamp:
  98        rm -f *.timestamp
  99clean: clean-timestamp
 100
 101# will delete the target of a rule if commands exit with a nonzero exit status
 102.DELETE_ON_ERROR:
 103
 104# magic to descend into other directories
 105
 106obj := .
 107old-nested-dirs :=
 108
 109define push-var
 110$(eval save-$2-$1 = $(value $1))
 111$(eval $1 :=)
 112endef
 113
 114define pop-var
 115$(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1))))
 116$(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1))
 117$(eval save-$2-$1 :=)
 118endef
 119
 120define unnest-dir
 121$(foreach var,$(nested-vars),$(call push-var,$(var),$1/))
 122$(eval obj := $(obj)/$1)
 123$(eval include $(SRC_PATH)/$1/Makefile.objs)
 124$(eval obj := $(patsubst %/$1,%,$(obj)))
 125$(foreach var,$(nested-vars),$(call pop-var,$(var),$1/))
 126endef
 127
 128define unnest-vars-1
 129$(eval nested-dirs := $(filter-out \
 130    $(old-nested-dirs), \
 131    $(sort $(foreach var,$(nested-vars), $(filter %/, $($(var)))))))
 132$(if $(nested-dirs),
 133  $(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir))))
 134  $(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs))
 135  $(call unnest-vars-1))
 136endef
 137
 138define unnest-vars
 139$(call unnest-vars-1)
 140$(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var)))))
 141$(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var))))))
 142$(foreach var,$(nested-vars), $(eval \
 143  -include $(addsuffix *.d, $(sort $(dir $($(var)))))))
 144endef
 145