######################### -*- Mode: Makefile-Gmake -*- ########################## version_vars.mk ---## Author : Manoj Srivastava ( srivasta@glaurung.internal.golden-gryphon.com ) ## Created On : Mon Oct 31 18:07:50 2005## Created On Node : glaurung.internal.golden-gryphon.com## Last Modified By : Manoj Srivastava## Last Modified On : Fri Oct 10 02:41:13 2008## Last Machine Used: anzu.internal.golden-gryphon.com## Update Count : 29## Status : Unknown, Use with caution!## HISTORY : ## Description : This file looks at the top level kernel Makefile, and## extracts the components of the version string. It## uses the kernel Makefile itself, so it takes into## account everything the kernel Makefile itrself pays## attention to. ## ## arch-tag: 024a242d-938b-4391-a812-e5ab9099a8a6## ## ## This program is free software; you can redistribute it and/or modify## it under the terms of the GNU General Public License as published by## the Free Software Foundation; either version 2 of the License, or## (at your option) any later version.#### This program is distributed in the hope that it will be useful,## but WITHOUT ANY WARRANTY; without even the implied warranty of## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the## GNU General Public License for more details.#### You should have received a copy of the GNU General Public License## along with this program; if not, write to the Free Software## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA#################################################################################ifeq ($(DEB_HOST_ARCH_OS), linux) localversion_files := $(wildcard localversion*) # Could have used :=, but some patches do seem to patch the # Makefile. perhaps deferring the rule makes that better $(eval $(which_debdir)) # for powerpc, we need to set the (KERNEL_ARCH) based on the version numbers -- # which we can't get to unless we know the kernel architecture. Yossarian would # have liked this. ifneq ($(strip $(filter ppc powerpc ppc64 powerpc64,$(architecture))),) # Calculate most of the version the old fashioned way VERSION :=$(call doit,grep -E '^VERSION +=' Makefile 2>/dev/null | \ sed -e 's/[^0-9]*\([0-9]*\)/\1/') PATCHLEVEL :=$(call doit,grep -E '^PATCHLEVEL +=' Makefile 2>/dev/null | \ sed -e 's/[^0-9]*\([0-9]*\)/\1/') SUBLEVEL :=$(call doit,grep -E '^SUBLEVEL +=' Makefile 2>/dev/null | \ sed -e 's/[^0-9]*\([0-9]*\)/\1/') # EXTRA_VERSION =$(call doit,grep -E '^EXTRAVERSION +=' Makefile 2>/dev/null | \ # sed -e 's/EXTRAVERSION *= *\([^ \t]*\)/\1/') # LOCALVERSION = $(subst $(space),, $(call doit,cat /dev/null $(localversion_files)) \ # $(CONFIG_LOCALVERSION)) # Now use the version number from above to set the KERNEL_ARCH include $(DEBDIR)/ruleset/arches/what_is_ppc_called_today.mk endif ifneq ($(strip $(KERNEL_ARCH)),) K_ARG="ARCH=$(KERNEL_ARCH)" endif # Now to really calculate version numbers # Call this twice; if there are problems in the .config, kbuild rewrites # .config, and the informational message messes up the variable. TEST :=$(call doit,$(MAKE) $(CROSS_ARG) $(K_ARG) --no-print-directory \ -sf $(DEBDIR)/ruleset/kernel_version.mk debian_VERSION \ 2>/dev/null ) VERSION :=$(call doit,$(MAKE) $(CROSS_ARG) $(K_ARG) --no-print-directory \ -sf $(DEBDIR)/ruleset/kernel_version.mk debian_VERSION \ 2>/dev/null | tail -n 1) PATCHLEVEL :=$(call doit,$(MAKE) $(CROSS_ARG) $(K_ARG) --no-print-directory \ -sf $(DEBDIR)/ruleset/kernel_version.mk debian_PATCHLEVEL \ 2>/dev/null | tail -n 1) SUBLEVEL :=$(call doit,$(MAKE) $(CROSS_ARG) $(K_ARG) --no-print-directory \ -sf $(DEBDIR)/ruleset/kernel_version.mk debian_SUBLEVEL \ 2>/dev/null | tail -n 1) EXTRA_VERSION:=$(call doit,$(MAKE) $(CROSS_ARG) $(K_ARG) --no-print-directory \ -sf $(DEBDIR)/ruleset/kernel_version.mk debian_EXTRAVERSION \ 2>/dev/null | tail -n 1) LOCALVERSION :=$(call doit,$(MAKE) $(CROSS_ARG) $(K_ARG) --no-print-directory \ -sf $(DEBDIR)/ruleset/kernel_version.mk debian_LOCALVERSION \ 2>/dev/null | tail -n 1) # If the variable TEST did get a mesage about .config beng written, pass it on. ifneq ($(strip $(TEST)),$(strip $(VERSION))) $(warn $(TEST)) endif HAVE_BAD_VERSION:=$(call doit, if [ $$(echo $(VERSION) | wc -l) -gt 1 ]; then \ echo YES; \ fi) ifneq (,$(strip $(HAVE_BAD_VERSION))) $(error Error: "$(VERSION)") endifelse ifeq ($(DEB_HOST_ARCH_OS), kfreebsd) VERSION =$(call doit,grep '^REVISION=' conf/newvers.sh | \ sed -e 's/[^0-9]*\([0-9]\)\..*/\1/') PATCHLEVEL =$(call doit,grep '^REVISION=' conf/newvers.sh | \ sed -e 's/[^0-9]*[0-9]*\.\([0-9]*\)[^0-9]*/\1/') SUBLEVEL =0 EXTRA_VERSION =$(call doit,grep '^RELEASE=' conf/newvers.sh | \ sed -e 's/[^0-9]*\([0-9]*\)[^0-9]*/\1/') LOCALVERSION = $(subst $(space),, \ $(call doit,cat /dev/null $(localversion_files)) $(CONFIG_LOCALVERSION)) endifendifHAVE_NEW_MODLIB =$(call doit,grep -E '\(INSTALL_MOD_PATH\)' Makefile 2>/dev/null )HAVE_INST_PATH =$(call doit,grep -E '\(INSTALL_PATH\)' Makefile 2>/dev/null )HAVE_INST_HEADER=$(call doit,grep -E '\(INSTALL_HDR_PATH\)' Makefile 2>/dev/null )HAVE_SILENT_CONFIG=$(call doit,test -f scripts/kconfig/Makefile && grep -E 'silentoldconfig' scripts/kconfig/Makefile 2>/dev/null )HAVE_CONFIG=$(call doit,if [ -e .config ]; then echo YES; fi )silentconfig=ifneq ($(strip $(HAVE_SILENT_CONFIG)),) silentconfig=silentoldconfigendififneq ($(strip $(EXTRA_VERSION)),)HAS_ILLEGAL_EXTRA_VERSION =$(call doit, \ perl -e '$$i="$(EXTRA_VERSION)"; $$i !~ m/^[a-z\.\-\+][a-z\d\.\-\+]*$$/o && print YES;') ifneq ($(strip $(HAS_ILLEGAL_EXTRA_VERSION)),) $(error Error: The EXTRAVERSION may only contain lowercase alphanumerics \ and the characters - + . The current value is: $(EXTRA_VERSION). Aborting.) endifendifEXTRAVERSION =$(strip $(EXTRA_VERSION))ifneq ($(strip $(APPEND_TO_VERSION)),)iatv := $(strip $(APPEND_TO_VERSION))EXTRAV_ARG := EXTRAVERSION=${EXTRA_VERSION}${iatv}elseiatv :=EXTRAV_ARG :=endifUTS_RELEASE_HEADER=$(call doit, if [ -f include/generated/utsrelease.h ]; then \ echo include/generated/utsrelease.h; \ else if [ -f include/linux/utsrelease.h ]; then \ echo include/linux/utsrelease.h; \ else \ echo include/linux/version.h ; \ fi fi)UTS_RELEASE_VERSION=$(call doit,if [ -f $(UTS_RELEASE_HEADER) ]; then \ grep 'define UTS_RELEASE' $(UTS_RELEASE_HEADER) | \ perl -nle 'm/^\s*\#define\s+UTS_RELEASE\s+("?)(\S+)\1/g && print $$2;';\ else echo "" ; \ fi)version = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)$(iatv)$(LOCALVERSION)# Bug out if the version number id not all lowercaselc_version = $(call doit,echo $(version) | tr A-Z a-z)ifneq ($(strip $(version)),$(strip $(lc_version))) ifeq ($(strip $(IGNORE_UPPERCASE_VERSION)),) $(error Error. The Kernel Release version \ $(strip $(version)) \ VERSION=[$(VERSION)], PATCHLEVEL=[$(PATCHLEVEL)], \ SUBLEVEL=[$(SUBLEVEL)], EXTRAVERSION=[$(EXTRAVERSION)], \ iatv=[$(iatv)], LOCALVERSION=[$(LOCALVERSION)], \ UTS_RELEASE_VERSION=[$(UTS_RELEASE_VERSION)], \ KERNELRELEASE=[$(KERNELRELEASE)]. \ is not all lowercase. Since the version ends up in the package \ name of the kernel image package, this is a Debian policy \ violation, and the packaging system shall refuse to package \ the image. ) else $(warn Error. The version number $(strip $(version)) is not all \ lowercase. Since the version ends up in the package name of the \ kernel image package, this is a Debian policy violation, and \ the packaging system shall refuse to package the image. Lower -casing version.) version := $(strip $(lc_version)) endifendifKERNELRELEASE = $(strip $(call doit,if [ -f include/config/kernel.release ]; then \ cat include/config/kernel.release 2> /dev/null;\ elif [ -f .kernelrelease ]; then \ cat .kernelrelease 2> /dev/null ; \ else \ echo "$(version)"; \ fi;))AM_OFFICIAL := $(call doit,if [ -f debian/official ]; then echo YES; fi )# See if we are being run in the kernel directoryifeq ($(DEB_HOST_ARCH_OS), linux) define check_kernel_dir IN_KERNEL_DIR := $(call doit,if test -d drivers && test -d kernel && test -d fs && test \ -d include/linux ; then \ echo YES; \ fi ) endefelse ifeq ($(DEB_HOST_ARCH_OS), kfreebsd) define check_kernel_dir IN_KERNEL_DIR := $(call doit,if test -d dev && test -d kern && test -d fs && \ test -d i386/include ; then echo YES; fi) endef endifendifdefine check_kernel_headersIN_KERNEL_HEADERS=$(call doit,if [ -f $(INT_STEM)-headers.revision ]; then \ cat $(INT_STEM)-headers.revision; \ else echo "" ; \ fi)endef$(eval $(check_kernel_dir))$(eval $(check_kernel_headers))ifeq ($(strip $(IN_KERNEL_DIR)),) ifneq ($(strip $(IN_KERNEL_HEADERS)),) version=$(UTS_RELEASE_VERSION) debian =$(IN_KERNEL_HEADERS) endifendif#Local variables:#mode: makefile#End: