| #!/bin/sh |
| # Copyright (C) 2010-2018 Free Software Foundation, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2, or (at your option) |
| # any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <https://www.gnu.org/licenses/>. |
| |
| # Check for bug in variable concatenation with '+=': an extra backslash |
| # is erroneously retained in the final value. |
| # See also sister test 'pluseq11b.sh'. |
| |
| . test-init.sh |
| |
| cat >>configure.ac <<'END' |
| AC_OUTPUT |
| END |
| |
| cat > Makefile.am <<'END' |
| ## Use more line continuation to ensure we are robust and can (hopefully) |
| ## cope any number of them, and not just one |
| FOO = \ |
| \ |
| \ |
| bar |
| ## Both these two variable additions are required to trigger the bug. |
| FOO += |
| FOO += baz |
| |
| .PHONY: test |
| test: |
| case '$(FOO)' in *\\*) exit 1;; *) exit 0;; esac |
| END |
| |
| $ACLOCAL |
| $AUTOMAKE |
| |
| grep '^ *FOO *=.*\\.' Makefile.in && exit 1 |
| |
| $AUTOCONF |
| ./configure |
| $MAKE test |
| |
| : |
