2 # Copyright (C) 2002-2013 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 # Regression test for a bug reported by Ladislav Strojil.
18 # Using different extensions for the same language should not
19 # output the build rules several times.
23 cat >>configure.ac <<EOF
27 cat >Makefile.am <<EOF
28 AUTOMAKE_OPTIONS = subdir-objects
30 p_SOURCES = a.cc b.cpp c.cxx
31 q_SOURCES = sub/d.cc sub/e.cpp sub/f.cxx
32 r_SOURCES = g.cc h.cpp i.cxx
39 grep '\.o:' Makefile.in > rules
42 # Here is an example of bogus output. The rules are output several
66 # Bail out if we find a duplicate.
67 $PERL -ne 'if (exists $a{$_}) { exit (1) } else { $a{$_} = 1 }' < rules