File:  [Qemu by Fabrice Bellard] / qemu / rules.mak
Revision 1.1.1.5 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:33:55 2018 UTC (3 years, 1 month ago) by root
Branches: qemu, MAIN
CVS tags: qemu0150, qemu0141, qemu0140, HEAD
qemu 0.14.0

    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: # Flags for dependency generation
   15: QEMU_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: 
   26: LINK = $(call quiet-command,$(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: 
   34: quiet-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: 
   39: cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
   40:               >/dev/null 2>&1 && echo OK), $2, $3)
   41: 
   42: VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
   43: set-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.
   50: find-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:

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