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# This file contains rules which are shared between multiple Makefiles.
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# It's a stripped and modified version of /usr/src/linux/Rules.make. [--jk]
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MODCURDIR = $(subst $(MAINSRCDIR)/,,$(shell /bin/pwd))
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# clean obsolete definitions
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# apply patches beforehand
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rm -f *.[oas] *.ko .*.cmd .*.d .*.tmp *.mod.c $(clean-files)
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@for d in $(patsubst %/,%,$(filter %/, $(obj-y))) \
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$(patsubst %/,%,$(filter %/, $(obj-m))) DUMMY; do \
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if [ $$d != DUMMY ]; then $(MAKE) -C $$d cleanup || exit 1; fi; \
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else # ! KBUILD_MODULES
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include $(MAINSRCDIR)/Rules.make1
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@SND_TOPDIR="$(MAINSRCDIR)" $(SND_TOPDIR)/utils/patch-alsa $@
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# apply patches beforehand
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prepare: $(clean-files)
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@for d in $(ALL_SUB_DIRS) DUMMY; do \
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if [ $$d != DUMMY ]; then $(MAKE) -C $$d prepare || exit 1; fi; \
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$(MAKE) -C $(CONFIG_SND_KERNELDIR) SUBDIRS=$(MAINSRCDIR) $(MAKE_ADDS) SND_TOPDIR=$(MAINSRCDIR) modules
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$(SND_TOPDIR)/utils/link-modules $(MODCURDIR)
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ALL_MOBJS := $(filter-out $(obj-y), $(obj-m))
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ALL_MOBJS := $(filter-out %/, $(ALL_MOBJS))
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ifneq "$(strip $(ALL_MOBJS))" ""
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mkdir -p $(DESTDIR)$(moddir)/$(MODCURDIR)
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cp $(sort $(ALL_MOBJS:.o=.ko)) $(DESTDIR)$(moddir)/$(MODCURDIR)
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@for d in $(ALL_SUB_DIRS) DUMMY; do \
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if [ $$d != DUMMY ]; then $(MAKE) -C $$d modules_install || exit 1; fi; \
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endif # KBUILD_MODULES
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TOPDIR = $(MAINSRCDIR)
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include $(TOPDIR)/Rules.make1
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O_TARGET := built-in.o
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$(CC) -D__KERNEL__ $(CFLAGS) $(EXTRA_CFLAGS) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -S $< -o $@
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$(CPP) -D__KERNEL__ $(CFLAGS) $(EXTRA_CFLAGS) -D"KBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) $(CFLAGS_$@) $< > $@
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$(CC) -D__KERNEL__ $(CFLAGS) $(EXTRA_CFLAGS) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) $(CFLAGS_$@) -c -o $@ $<
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$(AS) -D__KERNEL__ $(AFLAGS) $(EXTRA_CFLAGS) -o $@ $<
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# Old makefiles define their own rules for compiling .S files,
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# but these standard rules are available for any Makefile that
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# wants to use them. Our plan is to incrementally convert all
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# the Makefiles to these standard rules. -- rmk, mec
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ifdef USE_STANDARD_AS_RULE
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$(CPP) -D__KERNEL__ $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$@) $< > $@
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$(CC) -D__KERNEL__ $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$@) -c -o $@ $<
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@xtmp=`echo $(MODCURDIR) | sed -e 's/^acore/core/'`/$@;\
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echo "copying file alsa-kernel/$$xtmp";\
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cp "$(TOPDIR)/alsa-kernel/$$xtmp" $@;\
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patch -p0 -i $< || { rm $@; exit 1; }
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ifeq (y,$(CONFIG_ISAPNP))
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$(CPP) -C -D__KERNEL__ $(CFLAGS) $(EXTRA_CFLAGS) -D__isapnp_now__ -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) $(CFLAGS_$@) $< | awk -f $(TOPDIR)/utils/convert_isapnp_ids > $@
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all_targets: $(isapnp-files) $(O_TARGET) $(L_TARGET)
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# Rule to compile a set of .o files into one .o file
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$(O_TARGET): $(obj-y)
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# Rule to compile a set of .o files into one .a file
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$(L_TARGET): $(obj-y)
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# Rule to link composite objects
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__obj-m = $(filter-out export.o,$(obj-m))
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ld-multi-used-m := $(sort $(foreach m,$(__obj-m),$(patsubst %,$(m),$($(basename $(m))-objs) $($(basename $(m))-y))))
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ld-multi-objs-m := $(foreach m, $(ld-multi-used-m), $($(basename $(m))-objs) $($(basename $(m))-y) $(extra-$(basename $(m))-objs))
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depend-objs := $(foreach m,$(__obj-m),$($(basename $(m))-objs) $($(basename $(m))-y))
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depend-files := $(patsubst %.o,%.c,$(depend-objs))
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$(ld-multi-used-m) : %.o: $(ld-multi-objs-m)
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$(LD) $(EXTRA_LDFLAGS) -r -o $@ $(filter $($(basename $@)-objs) $($(basename $@)-y) $(extra-$(basename $@)-objs), $^)
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# This make dependencies quickly
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fastdep: $(patsubst %,_sfdep_%,$(ALL_SUB_DIRS)) update-sndversions $(depend-files)
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ifneq "$(strip $(depend-files))" ""
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$(CC) -M -D__KERNEL__ -D__isapnp_now__ $(CPPFLAGS) $(EXTRA_CFLAGS) $(depend-files) > .depend
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ifneq "$(strip $(ALL_SUB_DIRS))" ""
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$(patsubst %,_sfdep_%,$(ALL_SUB_DIRS)):
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$(MAKE) -C $(patsubst _sfdep_%,%,$@) fastdep
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# A rule to make subdirectories
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subdir-list = $(sort $(patsubst %,_subdir_%,$(SUB_DIRS)))
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sub_dirs: dummy $(subdir-list)
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$(subdir-list) : dummy
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$(MAKE) -C $(patsubst _subdir_%,%,$@)
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# A rule to make modules
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ALL_MOBJS = $(filter-out $(obj-y), $(obj-m))
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MOD_DIRS := $(MOD_SUB_DIRS) $(MOD_IN_SUB_DIRS)
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ifneq "$(strip $(MOD_DIRS))" ""
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.PHONY: $(patsubst %,_modsubdir_%,$(MOD_DIRS))
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$(patsubst %,_modsubdir_%,$(MOD_DIRS)) : dummy
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$(MAKE) -C $(patsubst _modsubdir_%,%,$@) modules
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.PHONY: $(patsubst %,_modinst_%,$(MOD_DIRS))
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$(patsubst %,_modinst_%,$(MOD_DIRS)) : dummy
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$(MAKE) -C $(patsubst _modinst_%,%,$@) modules_install
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modules: $(isapnp-files) $(ALL_MOBJS) dummy \
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$(patsubst %,_modsubdir_%,$(MOD_DIRS))
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ifneq "$(strip $(ALL_MOBJS))" ""
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ifeq ($(moddir_tree),y)
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mkdir -p $(DESTDIR)$(moddir)/$(MODCURDIR)
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cp $(sort $(ALL_MOBJS)) $(DESTDIR)$(moddir)/$(MODCURDIR)
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mkdir -p $(DESTDIR)$(moddir)
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cp $(sort $(ALL_MOBJS)) $(DESTDIR)$(moddir)
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.PHONY: modules_install
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modules_install: _modinst__ \
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$(patsubst %,_modinst_%,$(MOD_DIRS))
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# This sets version suffixes on exported symbols
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# Separate the object into "normal" objects and "exporting" objects
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# Exporting objects are: all objects that define symbol tables
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ifeq (y,$(CONFIG_SND_MVERSION))
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ifneq "$(strip $(export-objs))" ""
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MODINCL = $(TOPDIR)/include/modules
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MODPREFIX = $(subst /,-,$(MODCURDIR))__
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# The -w option (enable warnings) for genksyms will return here in 2.1
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# So where has it gone?
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# Added the SMP separator to stop module accidents between uniprocessor
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# and SMP Intel boxes - AC - from bits by Michael Chastain
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genksyms_smp_prefix := -p smp_
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genksyms_smp_prefix :=
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$(MODINCL)/$(MODPREFIX)%.ver: %.c update-sndvers
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@if [ ! -r $(MODINCL)/$(MODPREFIX)$*.stamp -o $(MODINCL)/$(MODPREFIX)$*.stamp -ot $< ]; then \
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if [ ! -f $(CONFIG_SND_KERNELDIR)/include/linux/modules/$*.stamp ]; then \
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echo '$(CC) -D__KERNEL__ $(CPPFLAGS) $(EXTRA_CFLAGS) -E -D__GENKSYMS__ $<'; \
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echo '| $(GENKSYMS) $(genksyms_smp_prefix) > $@.tmp'; \
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$(CC) -D__KERNEL__ $(CPPFLAGS) $(EXTRA_CFLAGS) -E -D__GENKSYMS__ $< \
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| $(GENKSYMS) $(genksyms_smp_prefix) > $@.tmp; \
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if [ -r $@ ] && cmp -s $@ $@.tmp; then echo $@ is unchanged; rm -f $@.tmp; \
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else echo mv $@.tmp $@; mv -f $@.tmp $@; fi; \
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elif [ ! -r $@ ]; then touch $@; \
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fi; touch $(MODINCL)/$(MODPREFIX)$*.stamp
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$(addprefix $(MODINCL)/$(MODPREFIX),$(export-objs:.o=.ver)): $(TOPDIR)/include/config.h $(TOPDIR)/include/config1.h
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# updates .ver files but not modversions.h
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fastdep: $(addprefix $(MODINCL)/$(MODPREFIX),$(export-objs:.o=.ver))
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define update-sndvers
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(tmpfile=`echo $(SNDVERSIONS).tmp`; \
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(echo "#ifndef _LINUX_SNDVERSIONS_H"; \
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echo "#define _LINUX_SNDVERSIONS_H"; \
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echo "#include <linux/modsetver.h>"; \
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cd $(TOPDIR)/include/modules; \
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if [ -f $$f ]; then echo "#include \"modules/$${f}\""; fi; \
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if [ -r $(SNDVERSIONS) ] && cmp -s $(SNDVERSIONS) $${tmpfile}; then \
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echo $(SNDVERSIONS) was not updated; \
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echo $(SNDVERSIONS) was updated; \
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mv -f $${tmpfile} $(SNDVERSIONS); \
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$(active-objs): $(SNDVERSIONS)
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else # !CONFIG_SND_MVERSION
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define update-sndvers
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@echo "" > $(SNDVERSIONS)
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endif # CONFIG_SND_MVERSION
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$(ld-multi-used-m): $(addprefix $(TOPDIR)/modules/,$(ld-multi-used-m))
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$(TOPDIR)/modules/%.o: dummy
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@if ! test -L $@; then \
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echo "ln -sf ../$(MODCURDIR)/$(notdir $@) $(TOPDIR)/modules/$(notdir $@)" ; \
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ln -sf ../$(MODCURDIR)/$(notdir $@) $(TOPDIR)/modules/$(notdir $@) ; \
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.PHONY: update-sndversions
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update-sndversions: dummy
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ifneq "$(strip $(export-objs))" ""
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ifeq (y,$(CONFIG_SND_MVERSION))
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$(export-objs): $(addprefix $(MODINCL)/$(MODPREFIX),$(export-objs:.o=.ver)) $(export-objs:.o=.c)
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$(export-objs): $(export-objs:.o=.c)
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$(CC) -D__KERNEL__ $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$@) -DEXPORT_SYMTAB -c $(@:.o=.c)
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endif # CONFIG_MODULES
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# include dependency files if they exist
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ifneq ($(wildcard .depend),)
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ifneq ($(wildcard $(TOPDIR)/.hdepend),)
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include $(TOPDIR)/.hdepend