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kbuild: introduce utsrelease.h

Browse source 
include/linux/version.h contained both actual KERNEL version
and UTS_RELEASE that contains a subset from git SHA1 for when
kernel was compiled as part of a git repository.
This had the unfortunate side-effect that all files including version.h
would be recompiled when some git changes was made due to changes SHA1.
Split it out so we keep independent parts in separate files.

Also update checkversion.pl script to no longer check for UTS_RELEASE.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2006-07-03 23:30:54 +02:00
parent 0566838114
commit 63104eec23
14 changed files with 34 additions and 28 deletions
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32
Makefile
View file

@ -812,8 +812,8 @@ endif
# prepare2 creates a makefile if using a separate output directory
prepare2: prepare3 outputmakefile
prepare1: prepare2 include/linux/version.h include/asm \
include/config/auto.conf
prepare1: prepare2 include/linux/version.h include/linux/utsrelease.h \
include/asm include/config/auto.conf
ifneq ($(KBUILD_MODULES),)
$(Q)mkdir -p $(MODVERDIR)
$(Q)rm -f $(MODVERDIR)/*
@ -848,21 +848,26 @@ include/asm:
# needs to be updated, so this check is forced on all builds
uts_len := 64
define filechk_version.h
define filechk_utsrelease.h
if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
exit 1; \
fi; \
(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"; \
echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)`; \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'; \
)
echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
exit 1; \
fi; \
(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)
endef
include/linux/version.h: $(srctree)/Makefile include/config/kernel.release FORCE
define filechk_version.h
(echo \#define LINUX_VERSION_CODE $(shell \
expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
endef
include/linux/version.h: $(srctree)/Makefile FORCE
$(call filechk,version.h)
include/linux/utsrelease.h: include/config/kernel.release FORCE
$(call filechk,utsrelease.h)
# ---------------------------------------------------------------------------
PHONY += depend dep
@ -955,7 +960,8 @@ CLEAN_FILES += vmlinux System.map \
# Directories & files removed with 'make mrproper'
MRPROPER_DIRS += include/config include2
MRPROPER_FILES += .config .config.old include/asm .version .old_version \
include/linux/autoconf.h include/linux/version.h \
include/linux/autoconf.h include/linux/version.h \
include/linux/utsrelease.h \
Module.symvers tags TAGS cscope*
# clean - Delete most, but leave enough to build external modules

2
arch/alpha/boot/bootp.c
View file

@ -9,7 +9,7 @@
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/mm.h>
#include <asm/system.h>

2
arch/alpha/boot/bootpz.c
View file

@ -11,7 +11,7 @@
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/mm.h>
#include <asm/system.h>

2
arch/alpha/boot/main.c
View file

@ -7,7 +7,7 @@
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/mm.h>
#include <asm/system.h>

2
arch/frv/kernel/setup.c
View file

@ -10,7 +10,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/delay.h>

2
arch/i386/boot/setup.S
View file

@ -47,7 +47,7 @@
*/
#include <asm/segment.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/compile.h>
#include <asm/boot.h>
#include <asm/e820.h>

2
arch/powerpc/platforms/chrp/setup.c
View file

@ -24,7 +24,7 @@
#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/adb.h>
#include <linux/module.h>
#include <linux/delay.h>

2
arch/powerpc/platforms/powermac/bootx_init.c
View file

@ -12,7 +12,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <asm/sections.h>
#include <asm/prom.h>
#include <asm/page.h>

2
arch/ppc/syslib/btext.c
View file

@ -6,7 +6,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <asm/sections.h>
#include <asm/bootx.h>

2
arch/x86_64/boot/setup.S
View file

@ -46,7 +46,7 @@
*/
#include <asm/segment.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/compile.h>
#include <asm/boot.h>
#include <asm/e820.h>

2
drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c
View file

@ -32,7 +32,7 @@
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/utsrelease.h>
static void bcm43xx_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)

2
include/linux/vermagic.h
View file

@ -1,4 +1,4 @@
#include <linux/version.h>
#include <linux/utsrelease.h>
#include <linux/module.h>
/* Simply sanity version stamp for modules. */

1
init/version.c
View file

@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/uts.h>
#include <linux/utsname.h>
#include <linux/utsrelease.h>
#include <linux/version.h>
#define version(a) Version_ ## a

7
scripts/checkversion.pl
View file

@ -1,7 +1,7 @@
#! /usr/bin/perl
#
# checkversion find uses of LINUX_VERSION_CODE, KERNEL_VERSION, or
# UTS_RELEASE without including <linux/version.h>, or cases of
# checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION
# without including <linux/version.h>, or cases of
# including <linux/version.h> that don't need it.
# Copyright (C) 2003, Randy Dunlap <rdunlap@xenotime.net>
@ -41,8 +41,7 @@ foreach $file (@ARGV)
}
# Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE
if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/) ||
($_ =~ /UTS_RELEASE/)) {
if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) {
$fUseVersion = 1;
last LINE if $iLinuxVersion;
}