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68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
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
4f02b83 @rmustacc HVM-721 kvm-cmd builds too many times
rmustacc authored
28 CTFMERGE = $(call quiet-command, $$(which ctfmerge) -L VERSION -o $@ $(1)," CTFMERGE $(TARGET_DIR)$@")
29
3ba2ad4 @rmustacc HVM-514 get kvm-cmd tracetool working
rmustacc authored
30 ifeq ($(TRACE_BACKEND),dtrace)
31 ifneq ($(strip $(CONFIG_SOLARIS)),)
68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
32 %$(EXESUF): %.o
3ba2ad4 @rmustacc HVM-514 get kvm-cmd tracetool working
rmustacc authored
33 $(call quiet-command, dtrace $(CONFIG_DTRACE_FLAGS) -o trace-dtrace.o -s trace-dtrace.dtrace -G $^," LINK $(TARGET_DIR)$@.dtrace")
68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
34 $(call LINK,$^)
3ba2ad4 @rmustacc HVM-514 get kvm-cmd tracetool working
rmustacc authored
35 else
36 %$(EXESUF): %.o
37 $(call LINK,$^)
38 endif
39 else
40 %$(EXESUF): %.o
41 $(call LINK,$^)
42 endif
68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
43
44 %.a:
45 $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
46
47 quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
48
49 # cc-option
50 # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
51
52 cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
53 >/dev/null 2>&1 && echo OK), $2, $3)
54
55 VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
56 set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
57
58 # find-in-path
59 # Usage: $(call find-in-path, prog)
60 # Looks in the PATH if the argument contains no slash, else only considers one
61 # specific directory. Returns an # empty string if the program doesn't exist
62 # there.
63 find-in-path = $(if $(find-string /, $1), \
64 $(wildcard $1), \
65 $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
66
67 # Generate timestamp files for .h include files
68
69 %.h: %.h-timestamp
70 @test -f $@ || cp $< $@
71
72 %.h-timestamp: %.mak
73 $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $*.h")
74 @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
75
76 # will delete the target of a rule if commands exit with a nonzero exit status
77 .DELETE_ON_ERROR:
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