mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2024-12-29 17:23:36 +00:00
Use dependencies for 'make headers_install'.
Re-export header files only if either they or their controlling Kbuild file has actually changed. Also allow for similar dependencies with 'headers_check', once we properly create the dependencies for those. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
parent
b4daf69722
commit
de78912582
1
Makefile
1
Makefile
@ -898,7 +898,6 @@ headers_install: include/linux/version.h
|
||||
echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
|
||||
exit 1 ; fi
|
||||
$(Q)unifdef -Ux /dev/null
|
||||
$(Q)rm -rf $(INSTALL_HDR_PATH)/include
|
||||
$(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include
|
||||
|
||||
PHONY += headers_check
|
||||
|
||||
@ -23,30 +23,30 @@ HDRSED := sed -e "s/ inline / __inline__ /g" \
|
||||
|
||||
_dst := $(if $(dst),$(dst),$(obj))
|
||||
|
||||
.PHONY: __headersinst
|
||||
__headersinst:
|
||||
|
||||
|
||||
ifeq (,$(patsubst include/asm/%,,$(obj)/))
|
||||
# For producing the generated stuff in include/asm for biarch builds, include
|
||||
# both sets of Kbuild files; we'll generate anything which is mentioned in
|
||||
# _either_ arch, and recurse into subdirectories which are mentioned in either
|
||||
# arch. Since some directories may exist in one but not the other, we must
|
||||
# use '-include'.
|
||||
# use $(wildcard...).
|
||||
GENASM := 1
|
||||
archasm := $(subst include/asm,asm-$(ARCH),$(obj))
|
||||
altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj))
|
||||
-include $(srctree)/include/$(archasm)/Kbuild
|
||||
-include $(srctree)/include/$(altarchasm)/Kbuild
|
||||
KBUILDFILES := $(wildcard $(srctree)/include/$(archasm)/Kbuild $(srctree)/include/$(altarchasm)/Kbuild)
|
||||
else
|
||||
include $(srctree)/$(obj)/Kbuild
|
||||
KBUILDFILES := $(srctree)/$(obj)/Kbuild
|
||||
endif
|
||||
|
||||
include scripts/Kbuild.include
|
||||
include $(KBUILDFILES)
|
||||
|
||||
include scripts/Kbuild.include
|
||||
|
||||
# If this is include/asm-$(ARCH) and there's no $(ALTARCH), then
|
||||
# override $(_dst) so that we install to include/asm directly.
|
||||
ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH))
|
||||
# Unless $(BIASMDIR) is set, in which case we're probably doing
|
||||
# a 'headers_install_all' build and we should keep the -$(ARCH)
|
||||
# in the directory name.
|
||||
ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH)$(BIASMDIR))
|
||||
_dst := include/asm
|
||||
endif
|
||||
|
||||
@ -56,6 +56,23 @@ subdir-y := $(patsubst %/,%,$(filter %/, $(header-y)))
|
||||
header-y := $(filter-out %/, $(header-y))
|
||||
header-y := $(filter-out $(unifdef-y),$(header-y))
|
||||
|
||||
# stamp files for header checks
|
||||
check-y := $(patsubst %,.check.%,$(header-y) $(unifdef-y) $(objhdr-y))
|
||||
|
||||
# Work out what needs to be removed
|
||||
oldheaders := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/*.h))
|
||||
unwanted := $(filter-out $(header-y) $(unifdef-y) $(objhdr-y),$(oldheaders))
|
||||
|
||||
oldcheckstamps := $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$(wildcard $(INSTALL_HDR_PATH)/$(_dst)/.check.*.h))
|
||||
unwanted += $(filter-out $(check-y),$(oldcheckstamps))
|
||||
|
||||
# Prefix them all with full paths to $(INSTALL_HDR_PATH)
|
||||
header-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(header-y))
|
||||
unifdef-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(unifdef-y))
|
||||
objhdr-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(objhdr-y))
|
||||
check-y := $(patsubst %,$(INSTALL_HDR_PATH)/$(_dst)/%,$(check-y))
|
||||
|
||||
|
||||
ifdef ALTARCH
|
||||
ifeq ($(obj),include/asm-$(ARCH))
|
||||
altarch-y := altarch-dir
|
||||
@ -67,43 +84,47 @@ export ALTARCH
|
||||
export ARCHDEF
|
||||
export ALTARCHDEF
|
||||
|
||||
quiet_cmd_o_hdr_install = INSTALL $(_dst)/$@
|
||||
cmd_o_hdr_install = cp $(objtree)/$(obj)/$@ $(INSTALL_HDR_PATH)/$(_dst)
|
||||
quiet_cmd_o_hdr_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
|
||||
cmd_o_hdr_install = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(obj)/%,$@) \
|
||||
$(INSTALL_HDR_PATH)/$(_dst)
|
||||
|
||||
quiet_cmd_headers_install = INSTALL $(_dst)/$@
|
||||
cmd_headers_install = $(HDRSED) $(srctree)/$(obj)/$@ \
|
||||
> $(INSTALL_HDR_PATH)/$(_dst)/$@
|
||||
quiet_cmd_headers_install = INSTALL $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
|
||||
cmd_headers_install = $(HDRSED) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \
|
||||
> $@
|
||||
|
||||
quiet_cmd_unifdef = UNIFDEF $(_dst)/$@
|
||||
cmd_unifdef = $(UNIFDEF) $(srctree)/$(obj)/$@ | $(HDRSED) \
|
||||
> $(INSTALL_HDR_PATH)/$(_dst)/$@ || :
|
||||
quiet_cmd_unifdef = UNIFDEF $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
|
||||
cmd_unifdef = $(UNIFDEF) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \
|
||||
| $(HDRSED) > $@ || :
|
||||
|
||||
quiet_cmd_check = CHECK $(_dst)/$@
|
||||
quiet_cmd_check = CHECK $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/.check.%,$(_dst)/%,$@)
|
||||
cmd_check = $(srctree)/scripts/hdrcheck.sh \
|
||||
$(INSTALL_HDR_PATH)/include \
|
||||
$(INSTALL_HDR_PATH)/$(_dst)/$@
|
||||
$(INSTALL_HDR_PATH)/include $(subst /.check.,/,$@) $@
|
||||
|
||||
quiet_cmd_mkdir = MKDIR $@
|
||||
cmd_mkdir = mkdir -p $(INSTALL_HDR_PATH)/$@
|
||||
quiet_cmd_remove = REMOVE $(_dst)/$@
|
||||
cmd_remove = rm -f $(INSTALL_HDR_PATH)/$(_dst)/$@
|
||||
|
||||
quiet_cmd_gen = GEN $(_dst)/$@
|
||||
quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
|
||||
cmd_mkdir = mkdir -p $@
|
||||
|
||||
quiet_cmd_gen = GEN $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
|
||||
cmd_gen = \
|
||||
STUBDEF=__ASM_STUB_`echo $@ | tr a-z. A-Z_`; \
|
||||
FNAME=$(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,%,$@) \
|
||||
STUBDEF=__ASM_STUB_`echo $$FNAME | tr a-z. A-Z_`; \
|
||||
(echo "/* File autogenerated by 'make headers_install' */" ; \
|
||||
echo "\#ifndef $$STUBDEF" ; \
|
||||
echo "\#define $$STUBDEF" ; \
|
||||
echo "\# if $(ARCHDEF)" ; \
|
||||
if [ -r $(INSTALL_HDR_PATH)/include/$(archasm)/$@ ]; then \
|
||||
echo "\# include <$(archasm)/$@>" ; \
|
||||
if [ -r $(subst /$(_dst)/,/include/$(archasm)/,$@) ]; then \
|
||||
echo "\# include <$(archasm)/$$FNAME>" ; \
|
||||
else \
|
||||
echo "\# error $(archasm)/$@ does not exist in" \
|
||||
echo "\# error $(archasm)/$$FNAME does not exist in" \
|
||||
"the $(ARCH) architecture" ; \
|
||||
fi ; \
|
||||
echo "\# elif $(ALTARCHDEF)" ; \
|
||||
if [ -r $(INSTALL_HDR_PATH)/include/$(altarchasm)/$@ ]; then \
|
||||
echo "\# include <$(altarchasm)/$@>" ; \
|
||||
if [ -r $(subst /$(_dst)/,/include/$(altarchasm)/,$@) ]; then \
|
||||
echo "\# include <$(altarchasm)/$$FNAME>" ; \
|
||||
else \
|
||||
echo "\# error $(altarchasm)/$@ does not exist in" \
|
||||
echo "\# error $(altarchasm)/$$FNAME does not exist in" \
|
||||
"the $(ALTARCH) architecture" ; \
|
||||
fi ; \
|
||||
echo "\# else" ; \
|
||||
@ -111,37 +132,49 @@ echo "\# warning This machine appears to be" \
|
||||
"neither $(ARCH) nor $(ALTARCH)." ; \
|
||||
echo "\# endif" ; \
|
||||
echo "\#endif /* $$STUBDEF */" ; \
|
||||
) > $(INSTALL_HDR_PATH)/$(_dst)/$@
|
||||
) > $@
|
||||
|
||||
__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y)
|
||||
|
||||
.PHONY: $(header-y) $(unifdef-y) $(subdir-y)
|
||||
.PHONY: __headersinst __headerscheck
|
||||
|
||||
ifdef HDRCHECK
|
||||
# Rules for checking headers
|
||||
$(objhdr-y) $(header-y) $(unifdef-y):
|
||||
__headerscheck: $(subdir-y) $(check-y)
|
||||
@true
|
||||
|
||||
$(check-y) : $(INSTALL_HDR_PATH)/$(_dst)/.check.%.h : $(INSTALL_HDR_PATH)/$(_dst)/%.h
|
||||
$(call cmd,check)
|
||||
|
||||
# Other dependencies for $(check-y)
|
||||
-include /dev/null $(check-y)
|
||||
|
||||
# ... but leave $(check-y) as .PHONY for now until those deps are actually correct.
|
||||
.PHONY: $(check-y)
|
||||
|
||||
else
|
||||
# Rules for installing headers
|
||||
__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y)
|
||||
@true
|
||||
|
||||
$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): $(_dst)
|
||||
$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
|
||||
|
||||
.PHONY: $(_dst)
|
||||
$(_dst):
|
||||
$(INSTALL_HDR_PATH)/$(_dst):
|
||||
$(call cmd,mkdir)
|
||||
|
||||
.PHONY: $(unwanted)
|
||||
$(unwanted):
|
||||
$(call cmd,remove)
|
||||
|
||||
ifdef GENASM
|
||||
$(objhdr-y) $(header-y) $(unifdef-y):
|
||||
$(objhdr-y) $(header-y) $(unifdef-y): $(KBUILDFILES)
|
||||
$(call cmd,gen)
|
||||
|
||||
else
|
||||
$(objhdr-y):
|
||||
$(objhdr-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
|
||||
$(call cmd,o_hdr_install)
|
||||
|
||||
$(header-y):
|
||||
$(header-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
|
||||
$(call cmd,headers_install)
|
||||
|
||||
$(unifdef-y):
|
||||
$(unifdef-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
|
||||
$(call cmd,unifdef)
|
||||
endif
|
||||
endif
|
||||
@ -153,8 +186,9 @@ hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
|
||||
# for their existence.
|
||||
altarch-dir: $(subdir-y) $(header-y) $(unifdef-y) $(objhdr-y)
|
||||
$(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
|
||||
$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm
|
||||
$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR)
|
||||
|
||||
# Recursion
|
||||
.PHONY: $(subdir-y)
|
||||
$(subdir-y):
|
||||
$(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel)
|
||||
|
||||
@ -6,3 +6,5 @@ for FILE in `grep '^[ \t]*#[ \t]*include[ \t]*<' $2 | cut -f2 -d\< | cut -f1 -d\
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
# FIXME: List dependencies into $3
|
||||
touch $3
|
||||
|
||||
Loading…
Reference in New Issue
Block a user