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#! @SHELL@
# @configure_input@
# Wrapper around a non installed bison to make it work as an installed one.
# Copyright (C) 2001-2015, 2018-2020 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
abs_top_srcdir='@abs_top_srcdir@'
abs_top_builddir='@abs_top_builddir@'
: ${PERL='@PERL@'}
# Use the shipped files, not those installed.
BISON_PKGDATADIR=$abs_top_srcdir/data
export BISON_PKGDATADIR
stderr=tmp-bison.$$
# If stderr is a tty, force --color=yes to simulate --color=auto
# although we save and modify stderr.
if test -t 2; then
set x --color=yes ${1+"$@"}
shift
fi
# We redirect stderr, which breaks the computation of the terminal
# screen width. So export COLUMNS to Bison, hoping for the shell to
# have defined it.
: ${COLUMNS=`(tput cols) 2>/dev/null || echo 132`}
export COLUMNS
$PREBISON "$abs_top_builddir/src/bison" ${1+"$@"} 2>"$stderr"
status=$?
# Neutralize path differences in error messages so that check and
# installcheck behave the same way.
sed -e "s,$abs_top_builddir/src/,,g" <"$stderr" >&2
rm -f "$stderr"
# As a special dark magic, if we are actually using this wrapper to
# compile Bison's src/parse-gram.y, post-process the synclines to
# avoid dependencies on the user's set up (srcdir vs. builddir).
for i
do
case $i in
*/src/parse-gram.y)
if $PERL --version >/dev/null; then
# We are called by ylwrap which (if it's an old version) still
# uses y.tab.*, and post-processes the synclines on y.tab.c
# itself. Don't let it do it. Besides, it leaves
# "parse-gram.y" as the source, dropping the src/ part.
$PERL -pi -e 's{"y\.tab\.}{"parse-gram.}g;' \
-e 's{"(?:.*/)?(parse-gram\.[chy])"}{"src/$1"}g;' \
-e 's{GRAM_Y_TAB_H}{GRAM_SRC_PARSE_GRAM_H}g;' \
y.tab.[ch]
fi
;;
esac
done
exit $status
# Local Variables:
# mode: shell-script
# End:
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