t/self-check-shell-no-trail-bslash.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012 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 that our fake "shell" used to guard against use of trailing
  18 # backslashes in recipes actually complains when those are used.
  19
  20 # Our hack doesn't work with some make implementations (see comments
  21 # in 't/ax/shell-no-trail-bslash.in' for more details).
  22 required=GNUmake
  23 am_create_testdir=empty
  24 . test-init.sh
  25
  26 cat >> Makefile <<'END'
  27 am__backslash = \\ # foo
  28 .PHONY: good bad
  29 good:
  30         @printf '%s\n' OK
  31 .PHONY: bad
  32 bad:
  33         @echo $(am__backslash)
  34 END
  35
  36 SHELL=$am_testaux_srcdir/shell-no-trail-bslash
  37 $SHELL -c 'exit 0'
  38 test "$($SHELL -c 'echo is  o\k')" = "is ok"
  39
  40 $MAKE good
  41
  42 $MAKE bad SHELL="$SHELL" 2>stderr && { cat stderr >&2; exit 1; }
  43 cat stderr >&2
  44 $FGREP "recipe ends with backslash character" stderr
  45
  46 :