1#! /bin/sh
2# Copyright (C) 1996-2021 Free Software Foundation, Inc.
3#
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)
7# any later version.
8#
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.
13#
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/>.
16
17# Test that AC_SUBST($1) does something sensible.  From Ulrich
18# Drepper.
19
20. test-init.sh
21
22cat >> configure.ac << 'END'
23dnl This test used to have the following lines, which cannot have
24dnl worked sensibly with Autoconf for years, however:
25dnl AC_SUBST($1)
26dnl AC_SUBST([$]$1)  dnl this is the actual invocation that was used
27dnl
28AC_DEFUN([FOO],
29[AC_SUBST([$1])])
30FOO([BAR])
31END
32
33: > Makefile.am
34
35$ACLOCAL
36$AUTOMAKE
37grep '^\$1' Makefile.in && exit 1
38
39:
40