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portability: fix several issues with M4 subprocess.
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1 A directory of tools provided to people using CVS Bison. None of
2 these is distributed.
3
4 * bench.pl
5 A primitive Perl script to run benches. Currently its only bench is
6 the usual calculator: it has a lightweight processing part (but not
7 null), so it is really emphasizing the cost of the whole parsing
8 (including scanning and I/O).
9
10 Set the envvars BISON and CC to the programs and flags you want to
11 use. They default to bison and gcc. To run a non-installed bison
12 from a tarball built in _build, I suggest the following.
13
14 BISON=_build/tests/bison CC='gcc -O2' ./bench.pl
15
16 (The _build/tests/bison wrapper makes sure that _build/src/bison will
17 use the tarballs' skeletons, not those already installed as a
18 straightforward use of _build/src/bison would.)
19
20 --
21
22 Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
23
24 This file is part of Bison, the GNU Compiler Compiler.
25
26 This program is free software: you can redistribute it and/or modify
27 it under the terms of the GNU General Public License as published by
28 the Free Software Foundation, either version 3 of the License, or
29 (at your option) any later version.
30
31 This program is distributed in the hope that it will be useful,
32 but WITHOUT ANY WARRANTY; without even the implied warranty of
33 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
34 GNU General Public License for more details.
35
36 You should have received a copy of the GNU General Public License
37 along with this program. If not, see <http://www.gnu.org/licenses/>.
38
39 Local Variables:
40 mode: outline
41 End: