mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-24 20:38:28 +00:00
cf80a410a9
Move generic make flags in MAKEFLAGS (SUBDIR_MAKEFLAGS is more qemu specific). Use --quiet to silence make 'is up to date' message. Backports commit 42a77f1ce4934b243df003f95bda88530631387a from qemu
365 lines
13 KiB
Makefile
365 lines
13 KiB
Makefile
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COMMA := ,
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# Don't use implicit rules or variables
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# we have explicit rules for everything
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MAKEFLAGS += -rR
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# 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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%.cc:
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%.cpp:
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%.m:
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%.mak:
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# Flags for dependency generation
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QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
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# Same as -I$(SRC_PATH) -I., but for the nested source/object directories
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QEMU_INCLUDES += -I$(<D) -I$(@D) -I$(SRC_PATH)/../include
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WL_U := -Wl,-u,
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find-symbols = $(if $1, $(sort $(shell $(NM) -P -g $1 | $2)))
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defined-symbols = $(call find-symbols,$1,awk '$$2!="U"{print $$1}')
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undefined-symbols = $(call find-symbols,$1,awk '$$2=="U"{print $$1}')
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# All the .mo objects in -m variables are also added into corresponding -y
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# variable in unnest-vars, but filtered out here, when LINK is called.
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#
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# The .mo objects are supposed to be linked as a DSO, for module build. So here
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# they are only used as a placeholders to generate those "archive undefined"
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# symbol options (-Wl,-u,$symbol_name), which are the archive functions
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# referenced by the code in the DSO.
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#
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# Also the presence in -y variables will also guarantee they are built before
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# linking executables that will load them. So we can look up symbol reference
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# in LINK.
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#
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# This is necessary because the exectuable itself may not use the function, in
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# which case the function would not be linked in. Then the DSO loading will
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# fail because of the missing symbol.
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process-archive-undefs = $(filter-out %.a %.mo,$1) \
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$(addprefix $(WL_U), \
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$(filter $(call defined-symbols,$(filter %.a, $1)), \
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$(call undefined-symbols,$(filter %.mo,$1)))) \
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$(filter %.a,$1)
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extract-libs = $(strip $(foreach o,$(filter-out %.mo,$1),$($o-libs)))
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expand-objs = $(strip $(sort $(filter %.o,$1)) \
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$(foreach o,$(filter %.mo,$1),$($o-objs)) \
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$(filter-out %.o %.mo,$1))
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%.o: %.c
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$(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS)\
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$(CFLAGS) $($@-cflags) -c -o $@\
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$<," CC $(TARGET_DIR)$@")
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%.o: %.rc
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$(call quiet-command,$(WINDRES) -I. -o $@ $<," RC $(TARGET_DIR)$@")
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LINKPROG = $(CC)
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ifeq ($(LIBTOOL),)
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LINK = $(call quiet-command, $(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
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$(call process-archive-undefs, $1) \
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$(version-obj-y) $(call extract-libs,$1) $(LIBS)," LINK $(TARGET_DIR)$@")
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else
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LIBTOOL += $(if $(V),,--quiet)
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%.lo: %.c
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$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($*.o-cflags) -c -o $@ $<," lt CC $@")
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%.lo: %.rc
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$(call quiet-command,$(LIBTOOL) --mode=compile --tag=RC $(WINDRES) -I. -o $@ $<,"lt RC $(TARGET_DIR)$@")
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%.lo: %.dtrace
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$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@")
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LINK = $(call quiet-command,\
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$(if $(filter %.lo %.la,$1),$(LIBTOOL) --mode=link --tag=CC \
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)$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
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$(call process-archive-undefs, $1)\
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$(if $(filter %.lo %.la,$1),$(version-lobj-y),$(version-obj-y)) \
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$(if $(filter %.lo %.la,$1),$(LIBTOOLFLAGS)) \
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$(call extract-libs,$(1:.lo=.o)) $(LIBS),$(if $(filter %.lo %.la,$1),"lt LINK ", " LINK ")"$(TARGET_DIR)$@")
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endif
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%.asm: %.S
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$(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<," CPP $(TARGET_DIR)$@")
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%.o: %.asm
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$(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<," AS $(TARGET_DIR)$@")
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%.o: %.m
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$(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
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%.o: %.dtrace
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$(call quiet-command,dtrace -o $@ -G -s $<, " GEN $(TARGET_DIR)$@")
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%$(DSOSUF): CFLAGS += -fPIC -DBUILD_DSO
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%$(DSOSUF): LDFLAGS += $(LDFLAGS_SHARED)
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%$(DSOSUF): %.mo
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$(call LINK,$^)
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@# Copy to build root so modules can be loaded when program started without install
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$(if $(findstring /,$@),$(call quiet-command,cp $@ $(subst /,-,$@), " CP $(subst /,-,$@)"))
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LD_REL := $(CC) -nostdlib -Wl,-r
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%.mo:
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$(call quiet-command,$(LD_REL) -o $@ $^," LD -r $(TARGET_DIR)$@")
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.PHONY: modules
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modules:
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%$(EXESUF): %.o
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$(call LINK,$^)
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%.a:
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$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
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quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
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MAKEFLAGS += $(if $(V),,--no-print-directory --quiet)
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# cc-option
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# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
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cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
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>/dev/null 2>&1 && echo OK), $2, $3)
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VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc
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set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
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# install-prog list, dir
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define install-prog
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$(INSTALL_DIR) "$2"
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$(INSTALL_PROG) $1 "$2"
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$(if $(STRIP),$(STRIP) $(foreach T,$1,"$2/$(notdir $T)"),)
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endef
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# find-in-path
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# Usage: $(call find-in-path, prog)
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# Looks in the PATH if the argument contains no slash, else only considers one
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# specific directory. Returns an # empty string if the program doesn't exist
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# there.
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find-in-path = $(if $(find-string /, $1), \
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$(wildcard $1), \
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$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
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# Logical functions (for operating on y/n values like CONFIG_FOO vars)
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# Inputs to these must be either "y" (true) or "n" or "" (both false)
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# Output is always either "y" or "n".
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# Usage: $(call land,$(CONFIG_FOO),$(CONFIG_BAR))
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# Logical NOT
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lnot = $(if $(subst n,,$1),n,y)
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# Logical AND
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land = $(if $(findstring yy,$1$2),y,n)
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# Logical OR
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lor = $(if $(findstring y,$1$2),y,n)
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# Logical XOR (note that this is the inverse of leqv)
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lxor = $(if $(filter $(call lnot,$1),$(call lnot,$2)),n,y)
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# Logical equivalence (note that leqv "","n" is true)
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leqv = $(if $(filter $(call lnot,$1),$(call lnot,$2)),y,n)
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# Logical if: like make's $(if) but with an leqv-like test
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lif = $(if $(subst n,,$1),$2,$3)
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# String testing functions: inputs to these can be any string;
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# the output is always either "y" or "n". Leading and trailing whitespace
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# is ignored when comparing strings.
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# String equality
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eq = $(if $(subst $2,,$1)$(subst $1,,$2),n,y)
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# String inequality
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ne = $(if $(subst $2,,$1)$(subst $1,,$2),y,n)
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# Emptiness/non-emptiness tests:
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isempty = $(if $1,n,y)
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notempty = $(if $1,y,n)
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# Generate files with tracetool
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TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
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# Generate timestamp files for .h include files
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config-%.h: config-%.h-timestamp
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@cmp $< $@ >/dev/null 2>&1 || cp $< $@
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config-%.h-timestamp: config-%.mak $(SRC_PATH)/scripts/create_config
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$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)config-$*.h")
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.PHONY: clean-timestamp
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clean-timestamp:
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rm -f *.timestamp
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clean: clean-timestamp
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# will delete the target of a rule if commands exit with a nonzero exit status
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.DELETE_ON_ERROR:
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# save-vars
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# Usage: $(call save-vars, vars)
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# Save each variable $v in $vars as save-vars-$v, save their object's
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# variables, then clear $v.
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define save-vars
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$(foreach v,$1,
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$(eval save-vars-$v := $(value $v))
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$(foreach o,$($v),
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$(foreach k,cflags libs objs,
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$(if $($o-$k),
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$(eval save-vars-$o-$k := $($o-$k))
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$(eval $o-$k := ))))
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$(eval $v := ))
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endef
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# load-vars
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# Usage: $(call load-vars, vars, add_var)
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# Load the saved value for each variable in @vars, and the per object
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# variables.
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# Append @add_var's current value to the loaded value.
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define load-vars
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$(eval $2-new-value := $(value $2))
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$(foreach v,$1,
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$(eval $v := $(value save-vars-$v))
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$(foreach o,$($v),
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$(foreach k,cflags libs objs,
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$(if $(save-vars-$o-$k),
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$(eval $o-$k := $(save-vars-$o-$k))
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$(eval save-vars-$o-$k := ))))
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$(eval save-vars-$v := ))
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$(eval $2 := $(value $2) $($2-new-value))
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endef
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# fix-paths
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# Usage: $(call fix-paths, obj_path, src_path, vars)
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# Add prefix @obj_path to all objects in @vars, and add prefix @src_path to all
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# directories in @vars.
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define fix-paths
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$(foreach v,$3,
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$(foreach o,$($v),
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$(if $($o-libs),
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$(eval $1$o-libs := $($o-libs)))
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$(if $($o-cflags),
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$(eval $1$o-cflags := $($o-cflags)))
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$(if $($o-objs),
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$(eval $1$o-objs := $(addprefix $1,$($o-objs)))))
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$(eval $v := $(addprefix $1,$(filter-out %/,$($v))) \
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$(addprefix $2,$(filter %/,$($v)))))
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endef
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# unnest-var-recursive
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# Usage: $(call unnest-var-recursive, obj_prefix, vars, var)
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#
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# Unnest @var by including subdir Makefile.objs, while protect others in @vars
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# unchanged.
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#
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# @obj_prefix is the starting point of object path prefix.
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#
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define unnest-var-recursive
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$(eval dirs := $(sort $(filter %/,$($3))))
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$(eval $3 := $(filter-out %/,$($3)))
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$(foreach d,$(dirs:%/=%),
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$(call save-vars,$2)
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$(eval obj := $(if $1,$1/)$d)
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$(eval -include $(SRC_PATH)/$d/Makefile.objs)
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$(call fix-paths,$(if $1,$1/)$d/,$d/,$2)
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$(call load-vars,$2,$3)
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$(call unnest-var-recursive,$1,$2,$3))
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endef
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# unnest-vars
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# Usage: $(call unnest-vars, obj_prefix, vars)
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#
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# @obj_prefix: object path prefix, can be empty, or '..', etc. Don't include
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# ending '/'.
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#
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# @vars: the list of variable names to unnest.
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#
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# This macro will scan subdirectories's Makefile.objs, include them, to build
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# up each variable listed in @vars.
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#
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# Per object and per module cflags and libs are saved with relative path fixed
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# as well, those variables include -libs, -cflags and -objs. Items in -objs are
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# also fixed to relative path against SRC_PATH plus the prefix @obj_prefix.
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#
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# All nested variables postfixed by -m in names are treated as DSO variables,
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# and will be built as modules, if enabled.
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#
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# A simple example of the unnest:
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#
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# obj_prefix = ..
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# vars = hot cold
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# hot = fire.o sun.o season/
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# cold = snow.o water/ season/
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#
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# Unnest through a faked source directory structure:
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#
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# SRC_PATH
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# ├── water
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# │ └── Makefile.objs──────────────────┐
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# │ │ hot += steam.o │
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# │ │ cold += ice.mo │
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# │ │ ice.mo-libs := -licemaker │
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# │ │ ice.mo-objs := ice1.o ice2.o │
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# │ └──────────────────────────────┘
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# │
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# └── season
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# └── Makefile.objs──────┐
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# │ hot += summer.o │
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# │ cold += winter.o │
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# └──────────────────┘
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#
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# In the end, the result will be:
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#
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# hot = ../fire.o ../sun.o ../season/summer.o
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# cold = ../snow.o ../water/ice.mo ../season/winter.o
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# ../water/ice.mo-libs = -licemaker
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# ../water/ice.mo-objs = ../water/ice1.o ../water/ice2.o
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#
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# Note that 'hot' didn't include 'season/' in the input, so 'summer.o' is not
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# included.
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#
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define unnest-vars
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# In the case of target build (i.e. $1 == ..), fix path for top level
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# Makefile.objs objects
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$(if $1,$(call fix-paths,$1/,,$2))
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# Descend and include every subdir Makefile.objs
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$(foreach v, $2, $(call unnest-var-recursive,$1,$2,$v))
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$(foreach v,$(filter %-m,$2),
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# All .o found in *-m variables are single object modules, create .mo
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# for them
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$(foreach o,$(filter %.o,$($v)),
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$(eval $(o:%.o=%.mo)-objs := $o))
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# Now unify .o in -m variable to .mo
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$(eval $v := $($v:%.o=%.mo))
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$(eval modules-m += $($v))
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# For module build, build shared libraries during "make modules"
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# For non-module build, add -m to -y
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$(if $(CONFIG_MODULES),
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$(foreach o,$($v),
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$(eval $o: $($o-objs)))
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$(eval $(patsubst %-m,%-y,$v) += $($v))
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$(eval modules: $($v:%.mo=%$(DSOSUF))),
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$(eval $(patsubst %-m,%-y,$v) += $(call expand-objs, $($v)))))
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# Post-process all the unnested vars
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$(foreach v,$2,
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$(foreach o, $(filter %.mo,$($v)),
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# Find all the .mo objects in variables and add dependency rules
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# according to .mo-objs. Report error if not set
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$(if $($o-objs),
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$(eval $(o:%.mo=%$(DSOSUF)): module-common.o $($o-objs)),
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$(error $o added in $v but $o-objs is not set))
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# Pass the .mo-cflags and .mo-libs along to member objects
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$(foreach p,$($o-objs),
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$(if $($o-cflags), $(eval $p-cflags += $($o-cflags)))
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$(if $($o-libs), $(eval $p-libs += $($o-libs)))))
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$(shell mkdir -p ./ $(sort $(dir $($v))))
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# Include all the .d files
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$(eval -include $(addsuffix *.d, $(sort $(dir $($v)))))
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$(eval $v := $(filter-out %/,$($v))))
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# For all %.mo objects that are directly added into -y, expand them to %.mo-objs
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$(foreach v,$2,
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$(eval $v := $(foreach o,$($v),$(if $($o-objs),$($o-objs),$o))))
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endef
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