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1 17759187 aliguori
2 5ab28867 Juan Quintela
# Don't use implicit rules or variables
3 5ab28867 Juan Quintela
# we have explicit rules for everything
4 5ab28867 Juan Quintela
MAKEFLAGS += -rR
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6 5ab28867 Juan Quintela
# Files with this suffixes are final, don't try to generate them
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# using implicit rules
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%.d:
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%.h:
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%.c:
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%.m:
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%.mak:
13 5ab28867 Juan Quintela
14 7ebf54bc Stefan Weil
# Flags for dependency generation
15 a71cd2a5 Jan Kiszka
QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
16 02d5467e malc
17 0e8c9214 Andreas Färber
%.o: %.c
18 f9728943 Paolo Bonzini
	$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  CC    $(TARGET_DIR)$@")
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20 17759187 aliguori
%.o: %.S
21 f9728943 Paolo Bonzini
	$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  AS    $(TARGET_DIR)$@")
22 17759187 aliguori
23 17759187 aliguori
%.o: %.m
24 f9728943 Paolo Bonzini
	$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_INCLUDES) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  OBJC  $(TARGET_DIR)$@")
25 17759187 aliguori
26 0e8c9214 Andreas Färber
LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(LIBS),"  LINK  $(TARGET_DIR)$@")
27 3aa892d7 aliguori
28 3aa892d7 aliguori
%$(EXESUF): %.o
29 0bfe3ca5 Anthony Liguori
	$(call LINK,$^)
30 4f188f88 aliguori
31 93a0dba7 aliguori
%.a:
32 28c699a2 aliguori
	$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"  AR    $(TARGET_DIR)$@")
33 93a0dba7 aliguori
34 28c699a2 aliguori
quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
35 70071e17 Juan Quintela
36 70071e17 Juan Quintela
# cc-option
37 8a2e6ab5 Juan Quintela
# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
38 70071e17 Juan Quintela
39 fc3baad7 Thomas Monjalon
cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
40 fc3baad7 Thomas Monjalon
              >/dev/null 2>&1 && echo OK), $2, $3)
41 1215c6e7 Juan Quintela
42 59bc10ee Paolo Bonzini
VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
43 288e7bcc Nathan Froyd
set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
44 076d2471 Paolo Bonzini
45 2b2e59e6 Paolo Bonzini
# find-in-path
46 2b2e59e6 Paolo Bonzini
# Usage: $(call find-in-path, prog)
47 2b2e59e6 Paolo Bonzini
# Looks in the PATH if the argument contains no slash, else only considers one
48 2b2e59e6 Paolo Bonzini
# specific directory.  Returns an # empty string if the program doesn't exist
49 2b2e59e6 Paolo Bonzini
# there.
50 2b2e59e6 Paolo Bonzini
find-in-path = $(if $(find-string /, $1), \
51 2b2e59e6 Paolo Bonzini
        $(wildcard $1), \
52 2b2e59e6 Paolo Bonzini
        $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
53 2b2e59e6 Paolo Bonzini
54 1215c6e7 Juan Quintela
# Generate timestamp files for .h include files
55 1215c6e7 Juan Quintela
56 1215c6e7 Juan Quintela
%.h: %.h-timestamp
57 1215c6e7 Juan Quintela
	@test -f $@ || cp $< $@
58 1215c6e7 Juan Quintela
59 1215c6e7 Juan Quintela
%.h-timestamp: %.mak
60 4c3b5a48 Blue Swirl
	$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $*.h")
61 1215c6e7 Juan Quintela
	@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
62 7dbbbb0c Michael S. Tsirkin
63 7dbbbb0c Michael S. Tsirkin
# will delete the target of a rule if commands exit with a nonzero exit status
64 7dbbbb0c Michael S. Tsirkin
.DELETE_ON_ERROR: