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* [PATCH] tools/memory-model: Use "grep -E" instead of "egrep"
@ 2022-11-19  2:13 Tiezhu Yang
  2022-11-20 11:19 ` Akira Yokosawa
  0 siblings, 1 reply; 3+ messages in thread
From: Tiezhu Yang @ 2022-11-19  2:13 UTC (permalink / raw)
  To: Alan Stern, Andrea Parri, Will Deacon, Peter Zijlstra,
	Boqun Feng, Nicholas Piggin, David Howells, Jade Alglave,
	Luc Maranget, Paul E. McKenney, Akira Yokosawa, Daniel Lustig,
	Joel Fernandes
  Cc: linux-arch, linux-kernel

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


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2022-11-19  2:13 [PATCH] tools/memory-model: Use "grep -E" instead of "egrep" Tiezhu Yang
2022-11-20 11:19 ` Akira Yokosawa
2022-11-21  3:02   ` Tiezhu Yang

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