2 # Copyright (C) 2001-2013 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 # Make sure depcomp does not needlessly update headers for yacc rules.
18 # Report from Paolo Bonzini.
23 cat >> configure.ac << 'END'
29 cat > Makefile.am << 'END'
32 foo_SOURCES = foo.y main.c
38 int yylex () { return 0; }
39 void yyerror (char *s) { return; }
43 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
59 # Try to enable dependency tracking if possible, even if that means
60 # using slow dependency extractors.
61 ./configure --enable-dependency-tracking
63 ls -l # For debugging.
65 # Make sure foo.h is not updated if not really needed.
71 stat my-timestamp foo.* || : # For debugging.
72 is_newest my-timestamp foo.h
74 # Make sure foo.h is updated if needed.
76 sed 's/TOKEN/TEKON/g' foo.y > t
79 stat my-timestamp foo.* || : # For debugging.
80 is_newest foo.h my-timestamp