1#! @SHELL@
2# @configure_input@
3# Wrapper around a non installed bison to make it work as an installed one.
4
5# Copyright (C) 2001-2012 Free Software Foundation, Inc.
6#
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.
11#
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.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19
20abs_top_srcdir='@abs_top_srcdir@'
21abs_top_builddir='@abs_top_builddir@'
22: ${PERL='@PERL@'}
23
24# Use the shipped files, not those installed.
25BISON_PKGDATADIR=$abs_top_srcdir/data
26export BISON_PKGDATADIR
27
28$PREBISON "$abs_top_builddir/src/bison" ${1+"$@"}
29status=$?
30
31# As a special dark magic, if we are actually using this wrapper to
32# compile Bison's src/parse-gram.y, post-process the synclines to
33# avoid dependencies on the user's set up (srcdir vs. builddir).
34for i
35do
36  case $i in
37    */parse-gram.y)
38    if $PERL --version >/dev/null; then
39      # We are called by ylwrap which still uses y.tab.*, and
40      # post-processes the synclines on y.tab.c itself.  Don't let it
41      # do it.  Besides, it leaves "parse-gram.y" as the source,
42      # dropping the src/ part.
43      $PERL -pi -e 's{"y\.tab\.}{"parse-gram.}g;'    \
44                -e 's{".*/(parse-gram\.y)"}{"$1"}g;' \
45           y.tab.[ch]
46    fi
47    ;;
48  esac
49done
50
51exit $status
52
53# Local Variables:
54# mode: shell-script
55# End:
56