kbuild: always unifdef files in headers_install*
unifdef utility is fast enough to warrant that we always
run the scripts through unifdef.
This patch runs all headers listed with header-y and unifdef-y
through unifdef.
Next step is to drop unifdef-y in all Kbuild files and
that can now be done in smaller steps.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Adrian Bunk <bunk@kernel.org>
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 53dae3e..22b17af 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -50,25 +50,22 @@
_dst := include/asm
endif
-header-y := $(sort $(header-y))
-unifdef-y := $(sort $(unifdef-y))
+header-y := $(sort $(header-y) $(unifdef-y))
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))
+check-y := $(patsubst %,.check.%,$(header-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))
+unwanted := $(filter-out $(header-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))
@@ -88,10 +85,6 @@
cmd_o_hdr_install = cp $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(objtree)/$(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 $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
cmd_unifdef = $(UNIFDEF) $(patsubst $(INSTALL_HDR_PATH)/$(_dst)/%,$(srctree)/$(obj)/%,$@) \
| $(HDRSED) > $@ || :
@@ -151,10 +144,10 @@
else
# Rules for installing headers
-__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y)
+__headersinst: $(subdir-y) $(header-y) $(altarch-y) $(objhdr-y)
@true
-$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
+$(objhdr-y) $(subdir-y) $(header-y): | $(INSTALL_HDR_PATH)/$(_dst) $(unwanted)
$(INSTALL_HDR_PATH)/$(_dst):
$(call cmd,mkdir)
@@ -164,18 +157,16 @@
$(call cmd,remove)
ifdef GENASM
-$(objhdr-y) $(header-y) $(unifdef-y): $(KBUILDFILES)
+$(objhdr-y) $(header-y): $(KBUILDFILES)
$(call cmd,gen)
else
-$(objhdr-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES)
+$(objhdr-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(objtree)/$(obj)/%.h $(KBUILDFILES)
$(call cmd,o_hdr_install)
-$(header-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
- $(call cmd,headers_install)
-
-$(unifdef-y) : $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
+$(header-y): $(INSTALL_HDR_PATH)/$(_dst)/%.h: $(srctree)/$(obj)/%.h $(KBUILDFILES)
$(call cmd,unifdef)
+
endif
endif
@@ -184,7 +175,7 @@
.PHONY: altarch-dir
# All the files in the normal arch dir must be created first, since we test
# for their existence.
-altarch-dir: $(subdir-y) $(header-y) $(unifdef-y) $(objhdr-y)
+altarch-dir: $(subdir-y) $(header-y) $(objhdr-y)
$(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm$(BIASMDIR)