forked from Minki/linux
kbuild: prepare headers_* for arch/$ARCH/include
Factor out the headers_*_all support to a seperate
shell script and add support for arch specific
header files can be located in either
arch/$ARCH/include/asm
or
include/asm-$ARCH/
In "make help" always display the headers_* targets.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg
parent
db1bec4f52
commit
2fb9b1bd9d
49
Makefile
49
Makefile
@ -205,6 +205,9 @@ ifeq ($(ARCH),x86_64)
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SRCARCH := x86
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endif
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# Where to locate arch specific headers
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hdr-arch := $(SRCARCH)
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KCONFIG_CONFIG ?= .config
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# SHELL used by kbuild
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@ -1014,43 +1017,39 @@ firmware_install: FORCE
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#Default location for installed headers
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export INSTALL_HDR_PATH = $(objtree)/usr
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hdr-filter := generic um ppc sparc64 cris
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hdr-archs := $(filter-out $(hdr-filter), \
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$(patsubst $(srctree)/include/asm-%/Kbuild,%, \
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$(wildcard $(srctree)/include/asm-*/Kbuild)))
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hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
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# Find out where the Kbuild file is located to support
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# arch/$(ARCH)/include/asm
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hdr-dir = $(strip \
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$(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild), \
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arch/$(hdr-arch)/include/asm, include/asm-$(hdr-arch)))
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# If we do an all arch process set dst to asm-$(hdr-arch)
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hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)
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PHONY += __headers
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__headers: include/linux/version.h scripts_basic FORCE
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$(Q)$(MAKE) $(build)=scripts scripts/unifdef
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PHONY += headers_install_all
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headers_install_all: __headers
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$(Q)$(MAKE) $(hdr-inst)=include
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$(Q)set -e; for arch in $(hdr-archs); do \
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$(MAKE) $(hdr-inst)=include/asm-$$arch \
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SRCARCH=$$arch dst=include/asm-$$arch; \
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done
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headers_install_all:
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install
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PHONY += headers_install
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headers_install: __headers
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$(if $(wildcard $(srctree)/include/asm-$(SRCARCH)/Kbuild),, \
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$(error Headers not exportable for this architecture ($(SRCARCH))))
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$(if $(wildcard $(srctree)/$(hdr-dir)/Kbuild),, \
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$(error Headers not exportable for the $(SRCARCH) architecture))
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$(Q)$(MAKE) $(hdr-inst)=include
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$(Q)$(MAKE) $(hdr-inst)=include/asm-$(SRCARCH) dst=include/asm
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$(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst)
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PHONY += headers_check_all
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headers_check_all: headers_install_all
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$(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1
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$(Q)set -e; for arch in $(hdr-archs); do \
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$(MAKE) SRCARCH=$$arch $(hdr-inst)=include/asm-$$arch HDRCHECK=1 ;\
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done
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check
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PHONY += headers_check
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headers_check: headers_install
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$(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1
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$(Q)$(MAKE) $(hdr-inst)=include/asm-$(SRCARCH) \
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dst=include/asm HDRCHECK=1
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$(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) HDRCHECK=1
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# ---------------------------------------------------------------------------
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# Modules
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@ -1234,21 +1233,17 @@ help:
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@echo ' cscope - Generate cscope index'
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@echo ' kernelrelease - Output the release version string'
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@echo ' kernelversion - Output the version stored in Makefile'
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@if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
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echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
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@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
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echo ' (default: $(INSTALL_HDR_PATH))'; \
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fi
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@echo ''
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echo ''
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@echo 'Static analysers'
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@echo ' checkstack - Generate a list of stack hogs'
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@echo ' namespacecheck - Name space analysis on compiled kernel'
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@echo ' versioncheck - Sanity check on version.h usage'
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@echo ' includecheck - Check for duplicate included header files'
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@echo ' export_report - List the usages of all exported symbols'
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@if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
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echo ' headers_check - Sanity check on exported headers'; \
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fi
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@echo ''
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@echo ' headers_check - Sanity check on exported headers'; \
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echo ''
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@echo 'Kernel packaging:'
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@$(MAKE) $(build)=$(package-dir) help
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@echo ''
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41
scripts/headers.sh
Executable file
41
scripts/headers.sh
Executable file
@ -0,0 +1,41 @@
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#!/bin/sh
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# Run headers_$1 command for all suitable architectures
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# Stop on error
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set -e
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do_command()
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{
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if [ -f ${srctree}/arch/$2/include/asm/Kbuild ]; then
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make ARCH=$2 KBUILD_HEADERS=$1 headers_$1
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elif [ -f ${srctree}/include/asm-$2/Kbuild ]; then
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make ARCH=$2 KBUILD_HEADERS=$1 headers_$1
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else
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printf "Ignoring arch: %s\n" ${arch}
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fi
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}
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# Do not try this architecture
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drop="generic um ppc sparc64 cris"
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archs=$(ls ${srctree}/arch)
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for arch in ${archs}; do
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case ${arch} in
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um) # no userspace export
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;;
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ppc) # headers exported by powerpc
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;;
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sparc64) # headers exported by sparc
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;;
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cris) # headers export are known broken
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;;
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*)
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if [ -d ${srctree}/arch/${arch} ]; then
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do_command $1 ${arch}
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fi
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;;
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esac
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done
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