t/parallel-tests-trailing-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 the new testsuite harness do not generate recipes that can
  18 # have a trailing '\', since that can cause spurious syntax errors with
  19 # older bash versions (e.g., bash 2.05b).
  20 # See automake bug#10436.
  21
  22 . ./defs || exit 1
  23
  24 echo AC_OUTPUT >> configure.ac
  25
  26 cat > Makefile.am <<'END'
  27 TESTS = foo.test
  28 EXTRA_DIST = $(TESTS)
  29 am__backslash = \\ # foo
  30 .PHONY: bad-recipe
  31 bad-recipe:
  32         @printf '%s\n' $(am__backslash)
  33 END
  34
  35 cat > foo.test <<'END'
  36 #!/bin/sh
  37 exit 0
  38 END
  39 chmod +x foo.test
  40
  41 am__SHELL=$SHELL; export am__SHELL
  42 am__PERL=$PERL; export am__PERL
  43
  44 cat > my-shell <<'END'
  45 #!/bin/sh -e
  46 set -u
  47 tab='   '
  48 nl='
  49 '
  50 am__shell_flags=
  51 am__shell_command=; unset am__shell_command
  52 while test $# -gt 0; do
  53   case $1 in
  54     # If the shell is invoked by make e.g. as "sh -ec" (seen on
  55     # GNU make in POSIX mode) or "sh -ce" (seen on Solaris make).
  56     -*c*)
  57         flg=`echo x"$1" | sed -e 's/^x-//' -e 's/c//g'`
  58         if test x"$flg" != x; then
  59           am__shell_flags="$am__shell_flags -$flg"
  60         fi
  61         am__shell_command=$2
  62         shift
  63         ;;
  64     -?*)
  65         am__shell_flags="$am__shell_flags $1"
  66         ;;
  67       *)
  68         break
  69         ;;
  70   esac
  71   shift
  72 done
  73 if test x${am__shell_command+"set"} != x"set"; then
  74   # Some make implementations, like *BSD's, pass the recipes to the shell
  75   # through its standard input.  Trying to run our extra checks in this
  76   # case would be too tricky, so we just skip them.
  77   exec $am__SHELL $am__shell_flags ${1+"$@"}
  78 else
  79   am__tweaked_shell_command=`printf '%s\n' "$am__shell_command" \
  80     | tr -d " $tab$nl"`
  81   case ${am__tweaked_shell_command-} in
  82     *\\)
  83       echo "my-shell: recipe ends with backslash character" >&2
  84       printf '%s\n' "=== BEGIN recipe" >&2
  85       printf '%s\n' "${am__shell_command-}" >&2
  86       printf '%s\n' "=== END recipe" >&2
  87       exit 99
  88       ;;
  89   esac
  90   exec $am__SHELL $am__shell_flags -c "$am__shell_command" ${1+"$@"}
  91 fi
  92 END
  93 chmod a+x my-shell
  94
  95 cat my-shell
  96
  97 CONFIG_SHELL=$(pwd)/my-shell; export CONFIG_SHELL
  98
  99 $ACLOCAL
 100 $AUTOCONF
 101 $AUTOMAKE -a
 102
 103 ./configure CONFIG_SHELL="$CONFIG_SHELL"
 104
 105 st=0
 106 $MAKE bad-recipe 2>stderr && st=1
 107 cat stderr >&2
 108 $FGREP "my-shell: recipe ends with backslash character" stderr || st=1
 109 test $st -eq 0 || skip_ "can't catch trailing backslashes in make recipes"
 110
 111 $MAKE check
 112
 113 :