#
|
#
|
# This file contains rules which are shared between multiple Makefiles.
|
# This file contains rules which are shared between multiple Makefiles.
|
#
|
#
|
|
|
#
|
#
|
# False targets.
|
# False targets.
|
#
|
#
|
.PHONY: dummy
|
.PHONY: dummy
|
|
|
#
|
#
|
# Special variables which should not be exported
|
# Special variables which should not be exported
|
#
|
#
|
unexport EXTRA_AFLAGS
|
unexport EXTRA_AFLAGS
|
unexport EXTRA_CFLAGS
|
unexport EXTRA_CFLAGS
|
unexport EXTRA_LDFLAGS
|
unexport EXTRA_LDFLAGS
|
unexport EXTRA_ARFLAGS
|
unexport EXTRA_ARFLAGS
|
unexport SUBDIRS
|
unexport SUBDIRS
|
unexport SUB_DIRS
|
unexport SUB_DIRS
|
unexport ALL_SUB_DIRS
|
unexport ALL_SUB_DIRS
|
unexport MOD_SUB_DIRS
|
unexport MOD_SUB_DIRS
|
unexport O_TARGET
|
unexport O_TARGET
|
unexport ALL_MOBJS
|
unexport ALL_MOBJS
|
|
|
unexport obj-y
|
unexport obj-y
|
unexport obj-m
|
unexport obj-m
|
unexport obj-n
|
unexport obj-n
|
unexport obj-
|
unexport obj-
|
unexport export-objs
|
unexport export-objs
|
unexport subdir-y
|
unexport subdir-y
|
unexport subdir-m
|
unexport subdir-m
|
unexport subdir-n
|
unexport subdir-n
|
unexport subdir-
|
unexport subdir-
|
|
|
comma := ,
|
comma := ,
|
EXTRA_CFLAGS_nostdinc := $(EXTRA_CFLAGS) $(kbuild_2_4_nostdinc)
|
EXTRA_CFLAGS_nostdinc := $(EXTRA_CFLAGS) $(kbuild_2_4_nostdinc)
|
|
|
#
|
#
|
# Get things started.
|
# Get things started.
|
#
|
#
|
first_rule: sub_dirs
|
first_rule: sub_dirs
|
$(MAKE) all_targets
|
$(MAKE) all_targets
|
|
|
both-m := $(filter $(mod-subdirs), $(subdir-y))
|
both-m := $(filter $(mod-subdirs), $(subdir-y))
|
SUB_DIRS := $(subdir-y)
|
SUB_DIRS := $(subdir-y)
|
MOD_SUB_DIRS := $(sort $(subdir-m) $(both-m))
|
MOD_SUB_DIRS := $(sort $(subdir-m) $(both-m))
|
ALL_SUB_DIRS := $(sort $(subdir-y) $(subdir-m) $(subdir-n) $(subdir-))
|
ALL_SUB_DIRS := $(sort $(subdir-y) $(subdir-m) $(subdir-n) $(subdir-))
|
|
|
|
|
#
|
#
|
# Common rules
|
# Common rules
|
#
|
#
|
|
|
%.s: %.c
|
%.s: %.c
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -S $< -o $@
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -S $< -o $@
|
|
|
%.i: %.c
|
%.i: %.c
|
$(CPP) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) $< > $@
|
$(CPP) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) $< > $@
|
|
|
%.o: %.c
|
%.o: %.c
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -c -o $@ $<
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -c -o $@ $<
|
@ ( \
|
@ ( \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(CFLAGS) $(EXTRA_CFLAGS_nostdinc) $(CFLAGS_$@))),$$(strip $$(subst $$(comma),:,$$(CFLAGS) $$(EXTRA_CFLAGS_nostdinc) $$(CFLAGS_$@))))' ; \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(CFLAGS) $(EXTRA_CFLAGS_nostdinc) $(CFLAGS_$@))),$$(strip $$(subst $$(comma),:,$$(CFLAGS) $$(EXTRA_CFLAGS_nostdinc) $$(CFLAGS_$@))))' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'endif' \
|
echo 'endif' \
|
) > $(dir $@)/.$(notdir $@).flags
|
) > $(dir $@)/.$(notdir $@).flags
|
|
|
%.o: %.s
|
%.o: %.s
|
$(AS) $(AFLAGS) $(EXTRA_CFLAGS) -o $@ $<
|
$(AS) $(AFLAGS) $(EXTRA_CFLAGS) -o $@ $<
|
|
|
# Old makefiles define their own rules for compiling .S files,
|
# Old makefiles define their own rules for compiling .S files,
|
# but these standard rules are available for any Makefile that
|
# but these standard rules are available for any Makefile that
|
# wants to use them. Our plan is to incrementally convert all
|
# wants to use them. Our plan is to incrementally convert all
|
# the Makefiles to these standard rules. -- rmk, mec
|
# the Makefiles to these standard rules. -- rmk, mec
|
ifdef USE_STANDARD_AS_RULE
|
ifdef USE_STANDARD_AS_RULE
|
|
|
%.s: %.S
|
%.s: %.S
|
$(CPP) $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$@) $< > $@
|
$(CPP) $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$@) $< > $@
|
|
|
%.o: %.S
|
%.o: %.S
|
$(CC) $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$@) -c -o $@ $<
|
$(CC) $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$@) -c -o $@ $<
|
|
|
endif
|
endif
|
|
|
%.lst: %.c
|
%.lst: %.c
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) $(CFLAGS_$@) -g -c -o $*.o $<
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) $(CFLAGS_$@) -g -c -o $*.o $<
|
$(TOPDIR)/scripts/makelst $* $(TOPDIR) $(OBJDUMP)
|
$(TOPDIR)/scripts/makelst $* $(TOPDIR) $(OBJDUMP)
|
#
|
#
|
#
|
#
|
#
|
#
|
all_targets: $(O_TARGET) $(L_TARGET)
|
all_targets: $(O_TARGET) $(L_TARGET)
|
|
|
#
|
#
|
# Rule to compile a set of .o files into one .o file
|
# Rule to compile a set of .o files into one .o file
|
#
|
#
|
ifdef O_TARGET
|
ifdef O_TARGET
|
$(O_TARGET): $(obj-y)
|
$(O_TARGET): $(obj-y)
|
rm -f $@
|
rm -f $@
|
ifneq "$(strip $(obj-y))" ""
|
ifneq "$(strip $(obj-y))" ""
|
$(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(obj-y), $^)
|
$(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(obj-y), $^)
|
else
|
else
|
$(AR) rcs $@
|
$(AR) rcs $@
|
endif
|
endif
|
@ ( \
|
@ ( \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(LDFLAGS) $(EXTRA_LDFLAGS) $(obj-y))),$$(strip $$(subst $$(comma),:,$$(LDFLAGS) $$(EXTRA_LDFLAGS) $$(obj-y))))' ; \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(LDFLAGS) $(EXTRA_LDFLAGS) $(obj-y))),$$(strip $$(subst $$(comma),:,$$(LDFLAGS) $$(EXTRA_LDFLAGS) $$(obj-y))))' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'endif' \
|
echo 'endif' \
|
) > $(dir $@)/.$(notdir $@).flags
|
) > $(dir $@)/.$(notdir $@).flags
|
endif # O_TARGET
|
endif # O_TARGET
|
|
|
#
|
#
|
# Rule to compile a set of .o files into one .a file
|
# Rule to compile a set of .o files into one .a file
|
#
|
#
|
ifdef L_TARGET
|
ifdef L_TARGET
|
$(L_TARGET): $(obj-y)
|
$(L_TARGET): $(obj-y)
|
rm -f $@
|
rm -f $@
|
$(AR) $(EXTRA_ARFLAGS) rcs $@ $(obj-y)
|
$(AR) $(EXTRA_ARFLAGS) rcs $@ $(obj-y)
|
@ ( \
|
@ ( \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(EXTRA_ARFLAGS) $(obj-y))),$$(strip $$(subst $$(comma),:,$$(EXTRA_ARFLAGS) $$(obj-y))))' ; \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(EXTRA_ARFLAGS) $(obj-y))),$$(strip $$(subst $$(comma),:,$$(EXTRA_ARFLAGS) $$(obj-y))))' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'endif' \
|
echo 'endif' \
|
) > $(dir $@)/.$(notdir $@).flags
|
) > $(dir $@)/.$(notdir $@).flags
|
endif
|
endif
|
|
|
|
|
#
|
#
|
# This make dependencies quickly
|
# This make dependencies quickly
|
#
|
#
|
fastdep: dummy
|
fastdep: dummy
|
$(TOPDIR)/scripts/mkdep $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -- $(wildcard *.[chS]) > .depend
|
$(TOPDIR)/scripts/mkdep $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -- $(wildcard *.[chS]) > .depend
|
ifdef ALL_SUB_DIRS
|
ifdef ALL_SUB_DIRS
|
$(MAKE) $(patsubst %,_sfdep_%,$(ALL_SUB_DIRS)) _FASTDEP_ALL_SUB_DIRS="$(ALL_SUB_DIRS)"
|
$(MAKE) $(patsubst %,_sfdep_%,$(ALL_SUB_DIRS)) _FASTDEP_ALL_SUB_DIRS="$(ALL_SUB_DIRS)"
|
endif
|
endif
|
|
|
ifdef _FASTDEP_ALL_SUB_DIRS
|
ifdef _FASTDEP_ALL_SUB_DIRS
|
$(patsubst %,_sfdep_%,$(_FASTDEP_ALL_SUB_DIRS)):
|
$(patsubst %,_sfdep_%,$(_FASTDEP_ALL_SUB_DIRS)):
|
$(MAKE) -C $(patsubst _sfdep_%,%,$@) fastdep
|
$(MAKE) -C $(patsubst _sfdep_%,%,$@) fastdep
|
endif
|
endif
|
|
|
|
|
#
|
#
|
# A rule to make subdirectories
|
# A rule to make subdirectories
|
#
|
#
|
subdir-list = $(sort $(patsubst %,_subdir_%,$(SUB_DIRS)))
|
subdir-list = $(sort $(patsubst %,_subdir_%,$(SUB_DIRS)))
|
sub_dirs: dummy $(subdir-list)
|
sub_dirs: dummy $(subdir-list)
|
|
|
ifdef SUB_DIRS
|
ifdef SUB_DIRS
|
$(subdir-list) : dummy
|
$(subdir-list) : dummy
|
$(MAKE) -C $(patsubst _subdir_%,%,$@)
|
$(MAKE) -C $(patsubst _subdir_%,%,$@)
|
endif
|
endif
|
|
|
#
|
#
|
# A rule to make modules
|
# A rule to make modules
|
#
|
#
|
ALL_MOBJS = $(filter-out $(obj-y), $(obj-m))
|
ALL_MOBJS = $(filter-out $(obj-y), $(obj-m))
|
ifneq "$(strip $(ALL_MOBJS))" ""
|
ifneq "$(strip $(ALL_MOBJS))" ""
|
MOD_DESTDIR := $(shell $(CONFIG_SHELL) $(TOPDIR)/scripts/pathdown.sh)
|
MOD_DESTDIR := $(shell $(CONFIG_SHELL) $(TOPDIR)/scripts/pathdown.sh)
|
endif
|
endif
|
|
|
unexport MOD_DIRS
|
unexport MOD_DIRS
|
MOD_DIRS := $(MOD_SUB_DIRS) $(MOD_IN_SUB_DIRS)
|
MOD_DIRS := $(MOD_SUB_DIRS) $(MOD_IN_SUB_DIRS)
|
ifneq "$(strip $(MOD_DIRS))" ""
|
ifneq "$(strip $(MOD_DIRS))" ""
|
.PHONY: $(patsubst %,_modsubdir_%,$(MOD_DIRS))
|
.PHONY: $(patsubst %,_modsubdir_%,$(MOD_DIRS))
|
$(patsubst %,_modsubdir_%,$(MOD_DIRS)) : dummy
|
$(patsubst %,_modsubdir_%,$(MOD_DIRS)) : dummy
|
$(MAKE) -C $(patsubst _modsubdir_%,%,$@) modules
|
$(MAKE) -C $(patsubst _modsubdir_%,%,$@) modules
|
|
|
.PHONY: $(patsubst %,_modinst_%,$(MOD_DIRS))
|
.PHONY: $(patsubst %,_modinst_%,$(MOD_DIRS))
|
$(patsubst %,_modinst_%,$(MOD_DIRS)) : dummy
|
$(patsubst %,_modinst_%,$(MOD_DIRS)) : dummy
|
$(MAKE) -C $(patsubst _modinst_%,%,$@) modules_install
|
$(MAKE) -C $(patsubst _modinst_%,%,$@) modules_install
|
endif
|
endif
|
|
|
.PHONY: modules
|
.PHONY: modules
|
modules: $(ALL_MOBJS) dummy \
|
modules: $(ALL_MOBJS) dummy \
|
$(patsubst %,_modsubdir_%,$(MOD_DIRS))
|
$(patsubst %,_modsubdir_%,$(MOD_DIRS))
|
|
|
.PHONY: _modinst__
|
.PHONY: _modinst__
|
_modinst__: dummy
|
_modinst__: dummy
|
ifneq "$(strip $(ALL_MOBJS))" ""
|
ifneq "$(strip $(ALL_MOBJS))" ""
|
mkdir -p $(MODLIB)/kernel/$(MOD_DESTDIR)
|
mkdir -p $(MODLIB)/kernel/$(MOD_DESTDIR)
|
cp $(sort $(ALL_MOBJS)) $(MODLIB)/kernel/$(MOD_DESTDIR)
|
cp $(sort $(ALL_MOBJS)) $(MODLIB)/kernel/$(MOD_DESTDIR)
|
endif
|
endif
|
|
|
.PHONY: modules_install
|
.PHONY: modules_install
|
modules_install: _modinst__ \
|
modules_install: _modinst__ \
|
$(patsubst %,_modinst_%,$(MOD_DIRS))
|
$(patsubst %,_modinst_%,$(MOD_DIRS))
|
|
|
#
|
#
|
# A rule to do nothing
|
# A rule to do nothing
|
#
|
#
|
dummy:
|
dummy:
|
|
|
#
|
#
|
# This is useful for testing
|
# This is useful for testing
|
#
|
#
|
script:
|
script:
|
$(SCRIPT)
|
$(SCRIPT)
|
|
|
#
|
#
|
# This sets version suffixes on exported symbols
|
# This sets version suffixes on exported symbols
|
# Separate the object into "normal" objects and "exporting" objects
|
# Separate the object into "normal" objects and "exporting" objects
|
# Exporting objects are: all objects that define symbol tables
|
# Exporting objects are: all objects that define symbol tables
|
#
|
#
|
ifdef CONFIG_MODULES
|
ifdef CONFIG_MODULES
|
|
|
multi-used := $(filter $(list-multi), $(obj-y) $(obj-m))
|
multi-used := $(filter $(list-multi), $(obj-y) $(obj-m))
|
multi-objs := $(foreach m, $(multi-used), $($(basename $(m))-objs))
|
multi-objs := $(foreach m, $(multi-used), $($(basename $(m))-objs))
|
active-objs := $(sort $(multi-objs) $(obj-y) $(obj-m))
|
active-objs := $(sort $(multi-objs) $(obj-y) $(obj-m))
|
|
|
ifdef CONFIG_MODVERSIONS
|
ifdef CONFIG_MODVERSIONS
|
ifneq "$(strip $(export-objs))" ""
|
ifneq "$(strip $(export-objs))" ""
|
|
|
MODINCL = $(TOPDIR)/include/linux/modules
|
MODINCL = $(TOPDIR)/include/linux/modules
|
|
|
# The -w option (enable warnings) for genksyms will return here in 2.1
|
# The -w option (enable warnings) for genksyms will return here in 2.1
|
# So where has it gone?
|
# So where has it gone?
|
#
|
#
|
# Added the SMP separator to stop module accidents between uniprocessor
|
# Added the SMP separator to stop module accidents between uniprocessor
|
# and SMP Intel boxes - AC - from bits by Michael Chastain
|
# and SMP Intel boxes - AC - from bits by Michael Chastain
|
#
|
#
|
|
|
ifdef CONFIG_SMP
|
ifdef CONFIG_SMP
|
genksyms_smp_prefix := -p smp_
|
genksyms_smp_prefix := -p smp_
|
else
|
else
|
genksyms_smp_prefix :=
|
genksyms_smp_prefix :=
|
endif
|
endif
|
|
|
$(MODINCL)/%.ver: %.c
|
$(MODINCL)/%.ver: %.c
|
@if [ ! -r $(MODINCL)/$*.stamp -o $(MODINCL)/$*.stamp -ot $< ]; then \
|
@if [ ! -r $(MODINCL)/$*.stamp -o $(MODINCL)/$*.stamp -ot $< ]; then \
|
echo '$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -E -D__GENKSYMS__ $<'; \
|
echo '$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -E -D__GENKSYMS__ $<'; \
|
echo '| $(GENKSYMS) $(genksyms_smp_prefix) -k $(VERSION).$(PATCHLEVEL).$(SUBLEVEL) > $@.tmp'; \
|
echo '| $(GENKSYMS) $(genksyms_smp_prefix) -k $(VERSION).$(PATCHLEVEL).$(SUBLEVEL) > $@.tmp'; \
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -E -D__GENKSYMS__ $< \
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -E -D__GENKSYMS__ $< \
|
| $(GENKSYMS) $(genksyms_smp_prefix) -k $(VERSION).$(PATCHLEVEL).$(SUBLEVEL) > $@.tmp; \
|
| $(GENKSYMS) $(genksyms_smp_prefix) -k $(VERSION).$(PATCHLEVEL).$(SUBLEVEL) > $@.tmp; \
|
if [ -r $@ ] && cmp -s $@ $@.tmp; then echo $@ is unchanged; rm -f $@.tmp; \
|
if [ -r $@ ] && cmp -s $@ $@.tmp; then echo $@ is unchanged; rm -f $@.tmp; \
|
else echo mv $@.tmp $@; mv -f $@.tmp $@; fi; \
|
else echo mv $@.tmp $@; mv -f $@.tmp $@; fi; \
|
fi; touch $(MODINCL)/$*.stamp
|
fi; touch $(MODINCL)/$*.stamp
|
|
|
$(addprefix $(MODINCL)/,$(export-objs:.o=.ver)): $(TOPDIR)/include/linux/autoconf.h
|
$(addprefix $(MODINCL)/,$(export-objs:.o=.ver)): $(TOPDIR)/include/linux/autoconf.h
|
|
|
# updates .ver files but not modversions.h
|
# updates .ver files but not modversions.h
|
fastdep: $(addprefix $(MODINCL)/,$(export-objs:.o=.ver))
|
fastdep: $(addprefix $(MODINCL)/,$(export-objs:.o=.ver))
|
|
|
# updates .ver files and modversions.h like before (is this needed?)
|
# updates .ver files and modversions.h like before (is this needed?)
|
dep: fastdep update-modverfile
|
dep: fastdep update-modverfile
|
|
|
endif # export-objs
|
endif # export-objs
|
|
|
# update modversions.h, but only if it would change
|
# update modversions.h, but only if it would change
|
update-modverfile:
|
update-modverfile:
|
@(echo "#ifndef _LINUX_MODVERSIONS_H";\
|
@(echo "#ifndef _LINUX_MODVERSIONS_H";\
|
echo "#define _LINUX_MODVERSIONS_H"; \
|
echo "#define _LINUX_MODVERSIONS_H"; \
|
echo "#include "; \
|
echo "#include "; \
|
cd $(TOPDIR)/include/linux/modules; \
|
cd $(TOPDIR)/include/linux/modules; \
|
for f in *.ver; do \
|
for f in *.ver; do \
|
if [ -f $$f ]; then echo "#include "; fi; \
|
if [ -f $$f ]; then echo "#include "; fi; \
|
done; \
|
done; \
|
echo "#endif"; \
|
echo "#endif"; \
|
) > $(TOPDIR)/include/linux/modversions.h.tmp
|
) > $(TOPDIR)/include/linux/modversions.h.tmp
|
@if [ -r $(TOPDIR)/include/linux/modversions.h ] && cmp -s $(TOPDIR)/include/linux/modversions.h $(TOPDIR)/include/linux/modversions.h.tmp; then \
|
@if [ -r $(TOPDIR)/include/linux/modversions.h ] && cmp -s $(TOPDIR)/include/linux/modversions.h $(TOPDIR)/include/linux/modversions.h.tmp; then \
|
echo $(TOPDIR)/include/linux/modversions.h was not updated; \
|
echo $(TOPDIR)/include/linux/modversions.h was not updated; \
|
rm -f $(TOPDIR)/include/linux/modversions.h.tmp; \
|
rm -f $(TOPDIR)/include/linux/modversions.h.tmp; \
|
else \
|
else \
|
echo $(TOPDIR)/include/linux/modversions.h was updated; \
|
echo $(TOPDIR)/include/linux/modversions.h was updated; \
|
mv -f $(TOPDIR)/include/linux/modversions.h.tmp $(TOPDIR)/include/linux/modversions.h; \
|
mv -f $(TOPDIR)/include/linux/modversions.h.tmp $(TOPDIR)/include/linux/modversions.h; \
|
fi
|
fi
|
|
|
$(active-objs): $(TOPDIR)/include/linux/modversions.h
|
$(active-objs): $(TOPDIR)/include/linux/modversions.h
|
|
|
else
|
else
|
|
|
$(TOPDIR)/include/linux/modversions.h:
|
$(TOPDIR)/include/linux/modversions.h:
|
@echo "#include " > $@
|
@echo "#include " > $@
|
|
|
endif # CONFIG_MODVERSIONS
|
endif # CONFIG_MODVERSIONS
|
|
|
ifneq "$(strip $(export-objs))" ""
|
ifneq "$(strip $(export-objs))" ""
|
$(export-objs): $(export-objs:.o=.c) $(TOPDIR)/include/linux/modversions.h
|
$(export-objs): $(export-objs:.o=.c) $(TOPDIR)/include/linux/modversions.h
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -DEXPORT_SYMTAB -c $(@:.o=.c)
|
$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -DEXPORT_SYMTAB -c $(@:.o=.c)
|
@ ( \
|
@ ( \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(CFLAGS) $(EXTRA_CFLAGS_nostdinc) $(CFLAGS_$@) -DEXPORT_SYMTAB)),$$(strip $$(subst $$(comma),:,$$(CFLAGS) $$(EXTRA_CFLAGS_nostdinc) $$(CFLAGS_$@) -DEXPORT_SYMTAB)))' ; \
|
echo 'ifeq ($(strip $(subst $(comma),:,$(CFLAGS) $(EXTRA_CFLAGS_nostdinc) $(CFLAGS_$@) -DEXPORT_SYMTAB)),$$(strip $$(subst $$(comma),:,$$(CFLAGS) $$(EXTRA_CFLAGS_nostdinc) $$(CFLAGS_$@) -DEXPORT_SYMTAB)))' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \
|
echo 'endif' \
|
echo 'endif' \
|
) > $(dir $@)/.$(notdir $@).flags
|
) > $(dir $@)/.$(notdir $@).flags
|
endif
|
endif
|
|
|
endif # CONFIG_MODULES
|
endif # CONFIG_MODULES
|
|
|
|
|
#
|
#
|
# include dependency files if they exist
|
# include dependency files if they exist
|
#
|
#
|
ifneq ($(wildcard .depend),)
|
ifneq ($(wildcard .depend),)
|
include .depend
|
include .depend
|
endif
|
endif
|
|
|
ifneq ($(wildcard $(TOPDIR)/.hdepend),)
|
ifneq ($(wildcard $(TOPDIR)/.hdepend),)
|
include $(TOPDIR)/.hdepend
|
include $(TOPDIR)/.hdepend
|
endif
|
endif
|
|
|
#
|
#
|
# Find files whose flags have changed and force recompilation.
|
# Find files whose flags have changed and force recompilation.
|
# For safety, this works in the converse direction:
|
# For safety, this works in the converse direction:
|
# every file is forced, except those whose flags are positively up-to-date.
|
# every file is forced, except those whose flags are positively up-to-date.
|
#
|
#
|
FILES_FLAGS_UP_TO_DATE :=
|
FILES_FLAGS_UP_TO_DATE :=
|
|
|
# For use in expunging commas from flags, which mung our checking.
|
# For use in expunging commas from flags, which mung our checking.
|
comma = ,
|
comma = ,
|
|
|
FILES_FLAGS_EXIST := $(wildcard .*.flags)
|
FILES_FLAGS_EXIST := $(wildcard .*.flags)
|
ifneq ($(FILES_FLAGS_EXIST),)
|
ifneq ($(FILES_FLAGS_EXIST),)
|
include $(FILES_FLAGS_EXIST)
|
include $(FILES_FLAGS_EXIST)
|
endif
|
endif
|
|
|
FILES_FLAGS_CHANGED := $(strip \
|
FILES_FLAGS_CHANGED := $(strip \
|
$(filter-out $(FILES_FLAGS_UP_TO_DATE), \
|
$(filter-out $(FILES_FLAGS_UP_TO_DATE), \
|
$(O_TARGET) $(L_TARGET) $(active-objs) \
|
$(O_TARGET) $(L_TARGET) $(active-objs) \
|
))
|
))
|
|
|
# A kludge: .S files don't get flag dependencies (yet),
|
# A kludge: .S files don't get flag dependencies (yet),
|
# because that will involve changing a lot of Makefiles. Also
|
# because that will involve changing a lot of Makefiles. Also
|
# suppress object files explicitly listed in $(IGNORE_FLAGS_OBJS).
|
# suppress object files explicitly listed in $(IGNORE_FLAGS_OBJS).
|
# This allows handling of assembly files that get translated into
|
# This allows handling of assembly files that get translated into
|
# multiple object files (see arch/ia64/lib/idiv.S, for example).
|
# multiple object files (see arch/ia64/lib/idiv.S, for example).
|
FILES_FLAGS_CHANGED := $(strip \
|
FILES_FLAGS_CHANGED := $(strip \
|
$(filter-out $(patsubst %.S, %.o, $(wildcard *.S) $(IGNORE_FLAGS_OBJS)), \
|
$(filter-out $(patsubst %.S, %.o, $(wildcard *.S) $(IGNORE_FLAGS_OBJS)), \
|
$(FILES_FLAGS_CHANGED)))
|
$(FILES_FLAGS_CHANGED)))
|
|
|
ifneq ($(FILES_FLAGS_CHANGED),)
|
ifneq ($(FILES_FLAGS_CHANGED),)
|
$(FILES_FLAGS_CHANGED): dummy
|
$(FILES_FLAGS_CHANGED): dummy
|
endif
|
endif
|
|
|
