Re: [PATCH] Speed up "make headers_*"

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On Sun, 2008-06-08 at 13:14 +0100, David Woodhouse wrote:
> I have yet to actually remove $(BIARCH) and just override $(dst),
> though.

Done that now, although headers_check_all is still not fixed to cope
with it...

diff --git a/Makefile b/Makefile
index eff8fee..1376c33 100644
--- a/Makefile
+++ b/Makefile
@@ -1012,9 +1012,9 @@ __headers: include/linux/version.h scripts_basic FORCE
 
 PHONY += headers_install_all
 headers_install_all: __headers
+	$(Q)$(MAKE) ARCH= SRCARCH= $(hdr-inst)=include
 	$(Q)set -e; for arch in $(hdr-archs); do \
-	 $(MAKE) ARCH=$$arch SRCARCH=$$arch $(hdr-inst)=include \
-	         BIASMDIR=-bi-$$arch ;\
+	 $(MAKE) ARCH=$$arch SRCARCH=$$arch $(hdr-inst)=include/asm-$$arch; \
 	 done
 
 PHONY += headers_install
@@ -1029,7 +1029,7 @@ PHONY += headers_check_all
 headers_check_all: headers_install_all
 	$(Q)set -e; for arch in $(hdr-archs); do \
 	 $(MAKE) ARCH=$$arch SRCARCH=$$arch $(hdr-inst)=include \
-	         BIASMDIR=-bi-$$arch HDRCHECK=1 ;\
+	         HDRCHECK=1 ;\
 	 done
 
 PHONY += headers_check
diff --git a/include/Kbuild b/include/Kbuild
index b522887..9393f7e 100644
--- a/include/Kbuild
+++ b/include/Kbuild
@@ -5,4 +5,6 @@ header-y += mtd/
 header-y += rdma/
 header-y += video/
 
+ifneq ($(ARCH),)
 header-y += asm-$(ARCH)/
+endif
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 80df6f3..e96d18e 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -14,15 +14,6 @@ include $(kbuild-file)
 
 include scripts/Kbuild.include
 
-# If this is include/asm-$(ARCH) then override $(_dst) so that
-# we install to include/asm directly.
-# 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 ($(obj),include/asm-$(ARCH)$(BIASMDIR))
-     _dst := include/asm
-endif
-
 install      := $(INSTALL_HDR_PATH)/$(_dst)
 
 header-y     := $(sort $(header-y) $(unifdef-y))
@@ -88,8 +79,12 @@ endif
 # Recursion
 hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
 .PHONY: $(subdirs)
+
+# If the next directory is include/asm-$(ARCH) then override
+# $(_dst) so that we install to include/asm directly.
 $(subdirs):
-	$(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(_dst)/$@
+	$(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ \
+		dst=$(patsubst include/asm-$(ARCH),include/asm,$(_dst)/$@)
 
 targets := $(wildcard $(sort $(targets)))
 cmd_files := $(wildcard \

-- 
dwmw2

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