+HDRARCHES=$(filter-out generic,$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))
+
+PHONY += headers_install_all
+headers_install_all: include/linux/version.h scripts_basic FORCE
+ $(Q)$(MAKE) $(build)=scripts scripts/unifdef
+ $(Q)for arch in $(HDRARCHES); do \
+ $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
+ done
+