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build: Avoid "warning: stray \ before -" from GNU grep ≥ 3.8.

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* build-aux/jar-cf: Remove an unnecessary backslash.
This commit is contained in:
Bruno Haible 2024-10-09 23:40:29 +02:00
parent 206cad2bc7
commit 929fecabec
1 changed files with 1 additions and 1 deletions
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build-aux/jar-cf
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@ -94,7 +94,7 @@ top_srcdir="$2"
shift
shift
if $jar_program --help 2>&1 | grep '\-\-date=' >/dev/null; then
if $jar_program --help 2>&1 | grep '\--date=' >/dev/null; then
# The JAR_PROGRAM supports the --date option. Its effect is to set the given
# date as time stamp on all the ELEMENTs and also the META-INF/MANIFEST.MF.
# Use it, for reproducibility (cf. <https://reproducible-builds.org/>).