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Commit | Line | Data |
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17759187 | 1 | |
5ab28867 JQ |
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: | |
c3dc9fd5 | 11 | %.cc: |
83f73fce | 12 | %.cpp: |
5ab28867 JQ |
13 | %.m: |
14 | %.mak: | |
15 | ||
83f73fce TS |
16 | # Flags for C++ compilation |
17 | QEMU_CXXFLAGS = -D__STDC_LIMIT_MACROS $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Wold-style-declaration -Wold-style-definition -Wredundant-decls, $(QEMU_CFLAGS)) | |
18 | ||
7ebf54bc | 19 | # Flags for dependency generation |
a71cd2a5 | 20 | QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d |
02d5467e | 21 | |
9d9199a0 | 22 | # Same as -I$(SRC_PATH) -I., but for the nested source/object directories |
7e7da8e3 | 23 | QEMU_INCLUDES += -I$(<D) -I$(@D) |
9d9199a0 | 24 | |
5c0d52bc FZ |
25 | extract-libs = $(strip $(foreach o,$1,$($o-libs))) |
26 | ||
0e8c9214 | 27 | %.o: %.c |
5c0d52bc | 28 | $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," CC $(TARGET_DIR)$@") |
6821cdc7 PB |
29 | %.o: %.rc |
30 | $(call quiet-command,$(WINDRES) -I. -o $@ $<," RC $(TARGET_DIR)$@") | |
17759187 | 31 | |
3144f78b PM |
32 | # If we have a CXX we might have some C++ objects, in which case we |
33 | # must link with the C++ compiler, not the plain C compiler. | |
34 | LINKPROG = $(or $(CXX),$(CC)) | |
35 | ||
44dc0ca3 | 36 | ifeq ($(LIBTOOL),) |
3144f78b | 37 | LINK = $(call quiet-command,$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \ |
bf0842b7 | 38 | $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \ |
5c0d52bc | 39 | $(call extract-libs,$^) $(LIBS)," LINK $(TARGET_DIR)$@") |
44dc0ca3 | 40 | else |
f141ccfa | 41 | LIBTOOL += $(if $(V),,--quiet) |
44dc0ca3 | 42 | %.lo: %.c |
f141ccfa | 43 | $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@") |
6821cdc7 PB |
44 | %.lo: %.rc |
45 | $(call quiet-command,$(LIBTOOL) --mode=compile --tag=RC $(WINDRES) -I. -o $@ $<,"lt RC $(TARGET_DIR)$@") | |
2c13ec50 PB |
46 | %.lo: %.dtrace |
47 | $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@") | |
48 | ||
21655882 PB |
49 | LINK = $(call quiet-command,\ |
50 | $(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \ | |
3144f78b | 51 | )$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \ |
5354e4d2 MAL |
52 | $(sort $(filter %.o, $1)) $(filter-out %.o, $1) \ |
53 | $(if $(filter %.lo %.la,$^),$(version-lobj-y),$(version-obj-y)) \ | |
37746c5e | 54 | $(if $(filter %.lo %.la,$^),$(LIBTOOLFLAGS)) \ |
5c0d52bc | 55 | $(call extract-libs,$^) $(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", " LINK ")"$(TARGET_DIR)$@") |
44dc0ca3 AL |
56 | endif |
57 | ||
3dd46c78 BS |
58 | %.asm: %.S |
59 | $(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<," CPP $(TARGET_DIR)$@") | |
60 | ||
61 | %.o: %.asm | |
62 | $(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<," AS $(TARGET_DIR)$@") | |
17759187 | 63 | |
c3dc9fd5 PM |
64 | %.o: %.cc |
65 | $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CXX $(TARGET_DIR)$@") | |
66 | ||
83f73fce TS |
67 | %.o: %.cpp |
68 | $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CXX $(TARGET_DIR)$@") | |
69 | ||
17759187 | 70 | %.o: %.m |
3c4a4d0d | 71 | $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@") |
17759187 | 72 | |
2c13ec50 PB |
73 | %.o: %.dtrace |
74 | $(call quiet-command,dtrace -o $@ -G -s $<, " GEN $(TARGET_DIR)$@") | |
75 | ||
3aa892d7 | 76 | %$(EXESUF): %.o |
0bfe3ca5 | 77 | $(call LINK,$^) |
4f188f88 | 78 | |
93a0dba7 | 79 | %.a: |
28c699a2 | 80 | $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@") |
93a0dba7 | 81 | |
28c699a2 | 82 | quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1)) |
70071e17 JQ |
83 | |
84 | # cc-option | |
8a2e6ab5 | 85 | # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0) |
70071e17 | 86 | |
fc3baad7 TM |
87 | cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \ |
88 | >/dev/null 2>&1 && echo OK), $2, $3) | |
1215c6e7 | 89 | |
c3dc9fd5 | 90 | VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc |
288e7bcc | 91 | set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1))) |
076d2471 | 92 | |
2b2e59e6 PB |
93 | # find-in-path |
94 | # Usage: $(call find-in-path, prog) | |
95 | # Looks in the PATH if the argument contains no slash, else only considers one | |
96 | # specific directory. Returns an # empty string if the program doesn't exist | |
97 | # there. | |
98 | find-in-path = $(if $(find-string /, $1), \ | |
99 | $(wildcard $1), \ | |
100 | $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH))))) | |
101 | ||
837a2e26 PM |
102 | # Logical functions (for operating on y/n values like CONFIG_FOO vars) |
103 | # Inputs to these must be either "y" (true) or "n" or "" (both false) | |
104 | # Output is always either "y" or "n". | |
105 | # Usage: $(call land,$(CONFIG_FOO),$(CONFIG_BAR)) | |
106 | # Logical NOT | |
107 | lnot = $(if $(subst n,,$1),n,y) | |
108 | # Logical AND | |
109 | land = $(if $(findstring yy,$1$2),y,n) | |
110 | # Logical OR | |
111 | lor = $(if $(findstring y,$1$2),y,n) | |
112 | # Logical XOR (note that this is the inverse of leqv) | |
113 | lxor = $(if $(filter $(call lnot,$1),$(call lnot,$2)),n,y) | |
114 | # Logical equivalence (note that leqv "","n" is true) | |
115 | leqv = $(if $(filter $(call lnot,$1),$(call lnot,$2)),y,n) | |
116 | # Logical if: like make's $(if) but with an leqv-like test | |
117 | lif = $(if $(subst n,,$1),$2,$3) | |
118 | ||
9ef622e3 PM |
119 | # String testing functions: inputs to these can be any string; |
120 | # the output is always either "y" or "n". Leading and trailing whitespace | |
121 | # is ignored when comparing strings. | |
122 | # String equality | |
123 | eq = $(if $(subst $2,,$1)$(subst $1,,$2),n,y) | |
124 | # String inequality | |
125 | ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n) | |
126 | # Emptiness/non-emptiness tests: | |
127 | isempty = $(if $1,n,y) | |
128 | notempty = $(if $1,y,n) | |
129 | ||
c0424934 LV |
130 | # Generate files with tracetool |
131 | TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py | |
132 | ||
1215c6e7 JQ |
133 | # Generate timestamp files for .h include files |
134 | ||
4b25966a MT |
135 | config-%.h: config-%.h-timestamp |
136 | @cmp $< $@ >/dev/null 2>&1 || cp $< $@ | |
1215c6e7 | 137 | |
4b25966a MT |
138 | config-%.h-timestamp: config-%.mak |
139 | $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)config-$*.h") | |
7dbbbb0c | 140 | |
7586317b MT |
141 | .PHONY: clean-timestamp |
142 | clean-timestamp: | |
143 | rm -f *.timestamp | |
144 | clean: clean-timestamp | |
145 | ||
7dbbbb0c MT |
146 | # will delete the target of a rule if commands exit with a nonzero exit status |
147 | .DELETE_ON_ERROR: | |
e05804ee PB |
148 | |
149 | # magic to descend into other directories | |
150 | ||
e05804ee PB |
151 | define push-var |
152 | $(eval save-$2-$1 = $(value $1)) | |
153 | $(eval $1 :=) | |
154 | endef | |
155 | ||
156 | define pop-var | |
157 | $(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1)))) | |
158 | $(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1)) | |
159 | $(eval save-$2-$1 :=) | |
160 | endef | |
161 | ||
5c0d52bc FZ |
162 | define fix-obj-vars |
163 | $(foreach v,$($1), \ | |
164 | $(if $($v-cflags), \ | |
165 | $(eval $2$v-cflags := $($v-cflags)) \ | |
166 | $(eval $v-cflags := )) \ | |
167 | $(if $($v-libs), \ | |
168 | $(eval $2$v-libs := $($v-libs)) \ | |
169 | $(eval $v-libs := ))) | |
170 | endef | |
171 | ||
e05804ee PB |
172 | define unnest-dir |
173 | $(foreach var,$(nested-vars),$(call push-var,$(var),$1/)) | |
ba1183da FZ |
174 | $(eval obj-parent-$1 := $(obj)) |
175 | $(eval obj := $(if $(obj),$(obj)/$1,$1)) | |
e05804ee | 176 | $(eval include $(SRC_PATH)/$1/Makefile.objs) |
5c0d52bc | 177 | $(foreach v,$(nested-vars),$(call fix-obj-vars,$v,$(if $(obj),$(obj)/))) |
ba1183da FZ |
178 | $(eval obj := $(obj-parent-$1)) |
179 | $(eval obj-parent-$1 := ) | |
e05804ee PB |
180 | $(foreach var,$(nested-vars),$(call pop-var,$(var),$1/)) |
181 | endef | |
182 | ||
183 | define unnest-vars-1 | |
184 | $(eval nested-dirs := $(filter-out \ | |
185 | $(old-nested-dirs), \ | |
186 | $(sort $(foreach var,$(nested-vars), $(filter %/, $($(var))))))) | |
187 | $(if $(nested-dirs), | |
188 | $(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir)))) | |
189 | $(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs)) | |
190 | $(call unnest-vars-1)) | |
191 | endef | |
192 | ||
193 | define unnest-vars | |
ba1183da FZ |
194 | $(eval obj := $1) |
195 | $(eval nested-vars := $2) | |
196 | $(eval old-nested-dirs := ) | |
e05804ee | 197 | $(call unnest-vars-1) |
ba1183da FZ |
198 | $(if $1,$(foreach v,$(nested-vars),$(eval \ |
199 | $v := $(addprefix $1/,$($v))))) | |
e05804ee | 200 | $(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var))))) |
2dee8d54 | 201 | $(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var)))))) |
1435ddb8 PB |
202 | $(foreach var,$(nested-vars), $(eval \ |
203 | -include $(addsuffix *.d, $(sort $(dir $($(var))))))) | |
e05804ee | 204 | endef |