root / rules.mak @ 21655882
History | View | Annotate | Download (4.1 kB)
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 |
# Same as -I$(SRC_PATH) -I., but for the nested source/object directories |
18 |
QEMU_CFLAGS += -I$(<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 |
|
23 |
ifeq ($(LIBTOOL),) |
24 |
%.lo: %.c |
25 |
@echo "missing libtool. please install and rerun configure"; exit 1 |
26 |
LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \ |
27 |
$(sort $(filter %.o, $1)) $(filter-out %.o, $1) \ |
28 |
$(LIBS)," LINK $(TARGET_DIR)$@") |
29 |
else |
30 |
LIBTOOL += $(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 |
LINK = $(call quiet-command,\ |
34 |
$(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \ |
35 |
)$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \ |
36 |
$(sort $(filter %.o, $1)) $(filter-out %.o, $1) \ |
37 |
$(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", " LINK ")"$(TARGET_DIR)$@") |
38 |
endif |
39 |
|
40 |
%.asm: %.S |
41 |
$(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<," CPP $(TARGET_DIR)$@") |
42 |
|
43 |
%.o: %.asm |
44 |
$(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<," AS $(TARGET_DIR)$@") |
45 |
|
46 |
%.o: %.m |
47 |
$(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@") |
48 |
|
49 |
%$(EXESUF): %.o |
50 |
$(call LINK,$^) |
51 |
|
52 |
%.a: |
53 |
$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@") |
54 |
|
55 |
quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1)) |
56 |
|
57 |
# cc-option |
58 |
# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0) |
59 |
|
60 |
cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \ |
61 |
>/dev/null 2>&1 && echo OK), $2, $3) |
62 |
|
63 |
VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi %.sh |
64 |
set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1))) |
65 |
|
66 |
# find-in-path |
67 |
# Usage: $(call find-in-path, prog) |
68 |
# Looks in the PATH if the argument contains no slash, else only considers one |
69 |
# specific directory. Returns an # empty string if the program doesn't exist |
70 |
# there. |
71 |
find-in-path = $(if $(find-string /, $1), \ |
72 |
$(wildcard $1), \ |
73 |
$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH))))) |
74 |
|
75 |
# Generate files with tracetool |
76 |
TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py |
77 |
|
78 |
# Generate timestamp files for .h include files |
79 |
|
80 |
%.h: %.h-timestamp |
81 |
@test -f $@ || cp $< $@ |
82 |
|
83 |
%.h-timestamp: %.mak |
84 |
$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)$*.h") |
85 |
@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h |
86 |
|
87 |
# will delete the target of a rule if commands exit with a nonzero exit status |
88 |
.DELETE_ON_ERROR: |
89 |
|
90 |
# magic to descend into other directories |
91 |
|
92 |
obj := . |
93 |
old-nested-dirs := |
94 |
|
95 |
define push-var |
96 |
$(eval save-$2-$1 = $(value $1)) |
97 |
$(eval $1 :=) |
98 |
endef |
99 |
|
100 |
define pop-var |
101 |
$(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1)))) |
102 |
$(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1)) |
103 |
$(eval save-$2-$1 :=) |
104 |
endef |
105 |
|
106 |
define unnest-dir |
107 |
$(foreach var,$(nested-vars),$(call push-var,$(var),$1/)) |
108 |
$(eval obj := $(obj)/$1) |
109 |
$(eval include $(SRC_PATH)/$1/Makefile.objs) |
110 |
$(eval obj := $(patsubst %/$1,%,$(obj))) |
111 |
$(foreach var,$(nested-vars),$(call pop-var,$(var),$1/)) |
112 |
endef |
113 |
|
114 |
define unnest-vars-1 |
115 |
$(eval nested-dirs := $(filter-out \ |
116 |
$(old-nested-dirs), \ |
117 |
$(sort $(foreach var,$(nested-vars), $(filter %/, $($(var))))))) |
118 |
$(if $(nested-dirs), |
119 |
$(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir)))) |
120 |
$(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs)) |
121 |
$(call unnest-vars-1)) |
122 |
endef |
123 |
|
124 |
define unnest-vars |
125 |
$(call unnest-vars-1) |
126 |
$(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var))))) |
127 |
$(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var)))))) |
128 |
$(foreach var,$(nested-vars), $(eval \ |
129 |
-include $(addsuffix *.d, $(sort $(dir $($(var))))))) |
130 |
endef |