2 # Copyright (C) 2001-2024 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 <https://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 AM_LFLAGS
= --never-interactive
34 foo_SOURCES
= foo.y main.c
40 int yylex
() { return 0; }
41 void yyerror
(const char
*s
) {}
45 foobar
: 'f' 'o' 'o' 'b' 'a' 'r' {};
51 extern int yyparse
(void
);
62 # Try to enable dependency tracking if possible, even if that means
63 # using slow dependency extractors.
64 .
/configure
--enable-dependency-tracking
66 ls -l # For debugging.
68 # Make sure foo.h is not updated if not really needed.
74 stat my-timestamp foo.
* ||
: # For debugging.
75 is_newest my-timestamp foo.h
77 # Make sure foo.h is updated if needed.
79 sed 's/TOKEN/TEKON/g' foo.y
> t
82 stat my-timestamp foo.
* ||
: # For debugging.
83 is_newest foo.h my-timestamp