2 # Copyright (C) 2011 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Check that distributed Yacc-generated parsers are not uselessly
18 # remade from an unpacked distributed tarball.
19 # See automake bug#7884.
26 cat >> configure.in << 'END'
32 cat > Makefile.am << 'END'
33 bin_PROGRAMS = foobar zardoz
34 foobar_SOURCES = parse.y main.c
35 zardoz_SOURCES = $(foobar_SOURCES)
39 cat > parse.y << 'END'
41 int yylex () { return 0; }
42 void yyerror (char *s) {}
45 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
49 int main () { return 0; }
63 cat > bin/yacc <<'END'
65 echo "$0 invoked, shouldn't happen!" >&2
69 chmod a+x bin/yacc bin/bison
70 PATH=`pwd`/bin$PATH_SEPARATOR$PATH
82 rm -f ../$distdir/parse.c
84 $MAKE >out 2>&1 && { cat out; Exit 1; }