tests/pluseq11.test

   1 #!/bin/sh
   2 # Copyright (C) 2010 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 <http://www.gnu.org/licenses/>.
  16
  17 # Check for bug in variable concatenation with `+=': an extra backslash
  18 # is erroneously retained in the final value.
  19 # See also sister test pluseq11b.test.
  20
  21 . ./defs || Exit 1
  22
  23 set -e
  24
  25 cat >>configure.in <<'END'
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am <<'END'
  30 ## Use more line continuation to ensure we are robust and can (hopefully)
  31 ## cope any number of them, and not just one
  32 FOO = \
  33 \
  34 \
  35 bar
  36 ## Both these two variable additions are required to trigger the bug.
  37 FOO +=
  38 FOO += baz
  39
  40 .PHONY: test
  41 test:
  42         case '$(FOO)' in *\\*) exit 1;; *) exit 0;; esac
  43 END
  44
  45 $ACLOCAL
  46 $AUTOMAKE
  47
  48 grep '^ *FOO *=.*\\.' Makefile.in && Exit 1
  49
  50 $AUTOCONF
  51 ./configure
  52 $MAKE test
  53
  54 :