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Improve the portability of grep patterns in configure.ac

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The configure.ac script uses backslash plus in its grep patterns to
match one or more occurrences.  This is a GNU grep extension to the
Basic Regular Expressions syntax that fails on systems with a more
traditional grep.  This changes fixes grep patterns that use backslash
plus to use a star instead.

Closes: #2777
This commit is contained in:
Carl Shapiro 2025-09-12 18:07:12 -07:00 • committed by Guangli Dai
parent aae98fbb64
commit d0287ffda4
1 changed files with 2 additions and 2 deletions
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4
configure.ac
View file

@ -652,7 +652,7 @@ AC_ARG_WITH([version],
[AS_HELP_STRING([--with-version=<major>.<minor>.<bugfix>-<nrev>-g<gid>],
[Version string])],
[
echo "${with_version}" | grep ['^[0-9]\+\.[0-9]\+\.[0-9]\+-[0-9]\+-g[0-9a-f]\+$'] 2>&1 1>/dev/null
echo "${with_version}" | grep ['^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*-[0-9][0-9]*-g[0-9a-f][0-9a-f]*$'] 2>&1 1>/dev/null
if test $? -eq 0 ; then
echo "$with_version" > "${objroot}VERSION"
else
@ -2059,7 +2059,7 @@ if test "x${je_cv_lg_hugepage}" = "x" ; then
dnl Hugepagesize: 2048 kB
if test -e "/proc/meminfo" ; then
hpsk=[`cat /proc/meminfo 2>/dev/null | \
grep -e '^Hugepagesize:[[:space:]]\+[0-9]\+[[:space:]]kB$' | \
grep '^Hugepagesize:[[:space:]][[:space:]]*[0-9][0-9]*[[:space:]]kB$' | \
awk '{print $2}'`]
if test "x${hpsk}" != "x" ; then
je_cv_lg_hugepage=10