patch 8.2.3883: crash when switching to other regexp engine fails Commit: https://github.com/vim/vim/commit/5937c7505f444dd896f336fa0119a93a55ebe9a2 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 24 16:46:14 2021 +0000 patch 8.2.3883: crash when switching to other regexp engine fails Problem: Crash when switching to other regexp engine fails. Solution: Check for regprog being NULL.

#! /bin/sh
# run the automatically generated configure script
CONFIG_STATUS=auto/config.status \
	auto/configure "$@" --srcdir="${srcdir:-.}" --cache-file=auto/config.cache
result=$?

# Stupid autoconf 2.5x causes this file to be left behind.
if test -f configure.lineno; then rm -f configure.lineno; fi

exit $result