From: Tiezhu Yang <yangtiezhu@loongson.cn>
To: Alan Stern <stern@rowland.harvard.edu>,
Andrea Parri <parri.andrea@gmail.com>,
Will Deacon <will@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Boqun Feng <boqun.feng@gmail.com>,
Nicholas Piggin <npiggin@gmail.com>,
David Howells <dhowells@redhat.com>,
Jade Alglave <j.alglave@ucl.ac.uk>,
Luc Maranget <luc.maranget@inria.fr>,
"Paul E. McKenney" <paulmck@kernel.org>,
Akira Yokosawa <akiyks@gmail.com>,
Daniel Lustig <dlustig@nvidia.com>,
Joel Fernandes <joel@joelfernandes.org>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] tools/memory-model: Use "grep -E" instead of "egrep"
Date: Sat, 19 Nov 2022 10:13:18 +0800 [thread overview]
Message-ID: <1668823998-28548-1-git-send-email-yangtiezhu@loongson.cn> (raw)
The latest version of grep claims the egrep is now obsolete so the build
now contains warnings that look like:
egrep: warning: egrep is obsolescent; using grep -E
fix this up by moving the related file to use "grep -E" instead.
sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/memory-model`
Here are the steps to install the latest grep:
wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
tar xf grep-3.8.tar.gz
cd grep-3.8 && ./configure && make
sudo make install
export PATH=/usr/local/bin:$PATH
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
tools/memory-model/scripts/checkghlitmus.sh | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/memory-model/scripts/checkghlitmus.sh b/tools/memory-model/scripts/checkghlitmus.sh
index 6589fbb..f72816a 100755
--- a/tools/memory-model/scripts/checkghlitmus.sh
+++ b/tools/memory-model/scripts/checkghlitmus.sh
@@ -35,13 +35,13 @@ fi
# Create a list of the C-language litmus tests previously run.
( cd $LKMM_DESTDIR; find litmus -name '*.litmus.out' -print ) |
sed -e 's/\.out$//' |
- xargs -r egrep -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' |
+ xargs -r grep -E -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' |
xargs -r grep -L "^P${LKMM_PROCS}"> $T/list-C-already
# Create a list of C-language litmus tests with "Result:" commands and
# no more than the specified number of processes.
find litmus -name '*.litmus' -exec grep -l -m 1 "^C " {} \; > $T/list-C
-xargs < $T/list-C -r egrep -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' > $T/list-C-result
+xargs < $T/list-C -r grep -E -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' > $T/list-C-result
xargs < $T/list-C-result -r grep -L "^P${LKMM_PROCS}" > $T/list-C-result-short
# Form list of tests without corresponding .litmus.out files
--
2.1.0
next reply other threads:[~2022-11-19 2:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-19 2:13 Tiezhu Yang [this message]
2022-11-20 11:19 ` [PATCH] tools/memory-model: Use "grep -E" instead of "egrep" Akira Yokosawa
2022-11-21 3:02 ` Tiezhu Yang
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