Merge remote-tracking branch 'luiz/queue/qmp' into staging
[qemu/raspi.git] / rules.mak
blob49edb9bf07eca605858f5070b9db2340346b7ffd
2 # Don't use implicit rules or variables
3 # we have explicit rules for everything
4 MAKEFLAGS += -rR
6 # Files with this suffixes are final, don't try to generate them
7 # using implicit rules
8 %.d:
9 %.h:
10 %.c:
11 %.cpp:
12 %.m:
13 %.mak:
15 # Flags for C++ compilation
16 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 # Flags for dependency generation
19 QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
21 # Same as -I$(SRC_PATH) -I., but for the nested source/object directories
22 QEMU_INCLUDES += -I$(<D) -I$(@D)
24 %.o: %.c
25 $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
26 %.o: %.rc
27 $(call quiet-command,$(WINDRES) -I. -o $@ $<," RC $(TARGET_DIR)$@")
29 ifeq ($(LIBTOOL),)
30 LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
31 $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \
32 $(LIBS)," LINK $(TARGET_DIR)$@")
33 else
34 LIBTOOL += $(if $(V),,--quiet)
35 %.lo: %.c
36 $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@")
37 %.lo: %.rc
38 $(call quiet-command,$(LIBTOOL) --mode=compile --tag=RC $(WINDRES) -I. -o $@ $<,"lt RC $(TARGET_DIR)$@")
39 %.lo: %.dtrace
40 $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@")
42 LINK = $(call quiet-command,\
43 $(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \
44 )$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
45 $(sort $(filter %.o, $1)) $(filter-out %.o, $1) \
46 $(if $(filter %.lo %.la,$^),$(version-lobj-y),$(version-obj-y)) \
47 $(if $(filter %.lo %.la,$^),$(LIBTOOLFLAGS)) \
48 $(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", " LINK ")"$(TARGET_DIR)$@")
49 endif
51 %.asm: %.S
52 $(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<," CPP $(TARGET_DIR)$@")
54 %.o: %.asm
55 $(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<," AS $(TARGET_DIR)$@")
57 %.o: %.cpp
58 $(call quiet-command,$(CXX) $(QEMU_INCLUDES) $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CXX $(TARGET_DIR)$@")
60 %.o: %.m
61 $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
63 %.o: %.dtrace
64 $(call quiet-command,dtrace -o $@ -G -s $<, " GEN $(TARGET_DIR)$@")
66 %$(EXESUF): %.o
67 $(call LINK,$^)
69 %.a:
70 $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
72 quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
74 # cc-option
75 # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
77 cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
78 >/dev/null 2>&1 && echo OK), $2, $3)
80 VPATH_SUFFIXES = %.c %.h %.S %.cpp %.m %.mak %.texi %.sh %.rc
81 set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
83 # find-in-path
84 # Usage: $(call find-in-path, prog)
85 # Looks in the PATH if the argument contains no slash, else only considers one
86 # specific directory. Returns an # empty string if the program doesn't exist
87 # there.
88 find-in-path = $(if $(find-string /, $1), \
89 $(wildcard $1), \
90 $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
92 # Logical functions (for operating on y/n values like CONFIG_FOO vars)
93 # Inputs to these must be either "y" (true) or "n" or "" (both false)
94 # Output is always either "y" or "n".
95 # Usage: $(call land,$(CONFIG_FOO),$(CONFIG_BAR))
96 # Logical NOT
97 lnot = $(if $(subst n,,$1),n,y)
98 # Logical AND
99 land = $(if $(findstring yy,$1$2),y,n)
100 # Logical OR
101 lor = $(if $(findstring y,$1$2),y,n)
102 # Logical XOR (note that this is the inverse of leqv)
103 lxor = $(if $(filter $(call lnot,$1),$(call lnot,$2)),n,y)
104 # Logical equivalence (note that leqv "","n" is true)
105 leqv = $(if $(filter $(call lnot,$1),$(call lnot,$2)),y,n)
106 # Logical if: like make's $(if) but with an leqv-like test
107 lif = $(if $(subst n,,$1),$2,$3)
109 # String testing functions: inputs to these can be any string;
110 # the output is always either "y" or "n". Leading and trailing whitespace
111 # is ignored when comparing strings.
112 # String equality
113 eq = $(if $(subst $2,,$1)$(subst $1,,$2),n,y)
114 # String inequality
115 ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n)
116 # Emptiness/non-emptiness tests:
117 isempty = $(if $1,n,y)
118 notempty = $(if $1,y,n)
120 # Generate files with tracetool
121 TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
123 # Generate timestamp files for .h include files
125 config-%.h: config-%.h-timestamp
126 @cmp $< $@ >/dev/null 2>&1 || cp $< $@
128 config-%.h-timestamp: config-%.mak
129 $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)config-$*.h")
131 .PHONY: clean-timestamp
132 clean-timestamp:
133 rm -f *.timestamp
134 clean: clean-timestamp
136 # will delete the target of a rule if commands exit with a nonzero exit status
137 .DELETE_ON_ERROR:
139 # magic to descend into other directories
141 obj := .
142 old-nested-dirs :=
144 define push-var
145 $(eval save-$2-$1 = $(value $1))
146 $(eval $1 :=)
147 endef
149 define pop-var
150 $(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1))))
151 $(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1))
152 $(eval save-$2-$1 :=)
153 endef
155 define unnest-dir
156 $(foreach var,$(nested-vars),$(call push-var,$(var),$1/))
157 $(eval obj := $(obj)/$1)
158 $(eval include $(SRC_PATH)/$1/Makefile.objs)
159 $(eval obj := $(patsubst %/$1,%,$(obj)))
160 $(foreach var,$(nested-vars),$(call pop-var,$(var),$1/))
161 endef
163 define unnest-vars-1
164 $(eval nested-dirs := $(filter-out \
165 $(old-nested-dirs), \
166 $(sort $(foreach var,$(nested-vars), $(filter %/, $($(var)))))))
167 $(if $(nested-dirs),
168 $(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir))))
169 $(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs))
170 $(call unnest-vars-1))
171 endef
173 define unnest-vars
174 $(call unnest-vars-1)
175 $(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var)))))
176 $(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var))))))
177 $(foreach var,$(nested-vars), $(eval \
178 -include $(addsuffix *.d, $(sort $(dir $($(var)))))))
179 endef