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Kbuild fixes for v5.14 (2nd) 

- Correct the Extended Regular Expressions in tools
 
  - Adjust scripts/checkversion.pl for the current Kbuild
 
  - Unset sub_make_done for 'make install' to make DKMS working again
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Merge tag 'kbuild-fixes-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Correct the Extended Regular Expressions in tools

 - Adjust scripts/checkversion.pl for the current Kbuild

 - Unset sub_make_done for 'make install' to make DKMS work again

* tag 'kbuild-fixes-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: cancel sub_make_done for the install target to fix DKMS
  scripts: checkversion: modernize linux/version.h search strings
  mips: Fix non-POSIX regexp
  x86/tools/relocs: Fix non-POSIX regexp
This commit is contained in:
Linus Torvalds 2021-08-07 10:03:02 -07:00
parent c9194f32bf 14ccc638b0
commit 4972bb90c3
4 changed files with 26 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Makefile
View File

@ -1316,6 +1316,16 @@ PHONY += scripts_unifdef
scripts_unifdef: scripts_basic
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
# ---------------------------------------------------------------------------
# Install
# Many distributions have the custom install script, /sbin/installkernel.
# If DKMS is installed, 'make install' will eventually recuses back
# to the this Makefile to build and install external modules.
# Cancel sub_make_done so that options such as M=, V=, etc. are parsed.
install: sub_make_done :=
# ---------------------------------------------------------------------------
# Tools

2
arch/mips/Makefile
View File

@ -321,7 +321,7 @@ KBUILD_LDFLAGS += -m $(ld-emul)
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
endif

8
arch/x86/tools/relocs.c
View File

@ -57,12 +57,12 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
[S_REL] =
"^(__init_(begin|end)|"
"__x86_cpu_dev_(start|end)|"
"(__parainstructions|__alt_instructions)(|_end)|"
"(__iommu_table|__apicdrivers|__smp_locks)(|_end)|"
"(__parainstructions|__alt_instructions)(_end)?|"
"(__iommu_table|__apicdrivers|__smp_locks)(_end)?|"
"__(start|end)_pci_.*|"
"__(start|end)_builtin_fw|"
"__(start|stop)___ksymtab(|_gpl)|"
"__(start|stop)___kcrctab(|_gpl)|"
"__(start|stop)___ksymtab(_gpl)?|"
"__(start|stop)___kcrctab(_gpl)?|"
"__(start|stop)___param|"
"__(start|stop)___modver|"
"__(start|stop)___bug_table|"

18
scripts/checkversion.pl
View File

@ -1,10 +1,10 @@
#! /usr/bin/env perl
# SPDX-License-Identifier: GPL-2.0
#
# 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>
# checkversion finds uses of all macros in <linux/version.h>
# where the source files do not #include <linux/version.h>; or cases
# of including <linux/version.h> where it is not needed.
# Copyright (C) 2003, Randy Dunlap <rdunlap@infradead.org>
use strict;
@ -13,7 +13,8 @@ $| = 1;
my $debugging;
foreach my $file (@ARGV) {
next if $file =~ "include/linux/version\.h";
next if $file =~ "include/generated/uapi/linux/version\.h";
next if $file =~ "usr/include/linux/version\.h";
# Open this file.
open( my $f, '<', $file )
or die "Can't open $file: $!\n";
@ -41,8 +42,11 @@ foreach my $file (@ARGV) {
$iLinuxVersion = $. if m/^\s*#\s*include\s*<linux\/version\.h>/o;
}
# Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE
if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) {
# Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION,
# LINUX_VERSION_MAJOR, LINUX_VERSION_PATCHLEVEL, LINUX_VERSION_SUBLEVEL
if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/) ||
($_ =~ /LINUX_VERSION_MAJOR/) || ($_ =~ /LINUX_VERSION_PATCHLEVEL/) ||
($_ =~ /LINUX_VERSION_SUBLEVEL/)) {
$fUseVersion = 1;
last if $iLinuxVersion;
}