3 # Wrapper around a non installed bison to make it work as an installed one.
5 # Copyright (C) 2001-2015, 2018-2021 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <https://www.gnu.org/licenses/>.
20 abs_top_srcdir='@abs_top_srcdir@'
21 abs_top_builddir='@abs_top_builddir@'
24 # Use the shipped files, not those installed.
25 BISON_PKGDATADIR=$abs_top_srcdir/data
26 export BISON_PKGDATADIR
28 # Neutralize path differences in error messages so that check and
29 # installcheck behave the same way.
30 BISON_PROGRAM_NAME=bison
31 export BISON_PROGRAM_NAME
33 $PREBISON "$abs_top_builddir/src/bison" ${1+"$@"}
36 # As a special dark magic, if we are actually using this wrapper to
37 # compile Bison's src/parse-gram.y, post-process the synclines to
38 # avoid dependencies on the user's set up (srcdir vs. builddir).
43 if $PERL --version >/dev/null; then
44 # We are called by ylwrap which (if it's an old version) still
45 # uses y.tab.*, and post-processes the synclines on y.tab.c
46 # itself. Don't let it do it. Besides, it leaves
47 # "parse-gram.y" as the source, dropping the src/ part.
48 $PERL -pi -e 's{"y\.tab\.}{"parse-gram.}g;' \
49 -e 's{"(?:.*/)?(parse-gram\.[chy])"}{"src/$1"}g;' \
50 -e 's{GRAM_Y_TAB_H}{GRAM_SRC_PARSE_GRAM_H}g;' \