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#! /bin/sh
# Copyright (C) 2012 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 <http://www.gnu.org/licenses/>.
# Check that the new testsuite harness do not generate recipes that can
# have a trailing '\', since that can cause spurious syntax errors with
# older bash versions (e.g., bash 2.05b).
# See automake bug#10436.
. ./defs || exit 1
echo AC_OUTPUT >> configure.ac
cat > Makefile.am <<'END'
TESTS = foo.test
EXTRA_DIST = $(TESTS)
am__backslash = \\ # foo
.PHONY: bad-recipe
bad-recipe:
@printf '%s\n' $(am__backslash)
END
cat > foo.test <<'END'
#!/bin/sh
exit 0
END
chmod +x foo.test
am__SHELL=$SHELL; export am__SHELL
am__PERL=$PERL; export am__PERL
cat > my-shell <<'END'
#!/bin/sh -e
set -u
tab=' '
nl='
'
am__shell_flags=
am__shell_command=; unset am__shell_command
while test $# -gt 0; do
case $1 in
# If the shell is invoked by make e.g. as "sh -ec" (seen on
# GNU make in POSIX mode) or "sh -ce" (seen on Solaris make).
-*c*)
flg=`echo x"$1" | sed -e 's/^x-//' -e 's/c//g'`
if test x"$flg" != x; then
am__shell_flags="$am__shell_flags -$flg"
fi
am__shell_command=$2
shift
;;
-?*)
am__shell_flags="$am__shell_flags $1"
;;
*)
break
;;
esac
shift
done
if test x${am__shell_command+"set"} != x"set"; then
# Some make implementations, like *BSD's, pass the recipes to the shell
# through its standard input. Trying to run our extra checks in this
# case would be too tricky, so we just skip them.
exec $am__SHELL $am__shell_flags ${1+"$@"}
else
am__tweaked_shell_command=`printf '%s\n' "$am__shell_command" \
| tr -d " $tab$nl"`
case ${am__tweaked_shell_command-} in
*\\)
echo "my-shell: recipe ends with backslash character" >&2
printf '%s\n' "=== BEGIN recipe" >&2
printf '%s\n' "${am__shell_command-}" >&2
printf '%s\n' "=== END recipe" >&2
exit 99
;;
esac
exec $am__SHELL $am__shell_flags -c "$am__shell_command" ${1+"$@"}
fi
END
chmod a+x my-shell
cat my-shell
CONFIG_SHELL=$(pwd)/my-shell; export CONFIG_SHELL
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a
./configure CONFIG_SHELL="$CONFIG_SHELL"
st=0
$MAKE bad-recipe 2>stderr && st=1
cat stderr >&2
$FGREP "my-shell: recipe ends with backslash character" stderr || st=1
test $st -eq 0 || skip_ "can't catch trailing backslashes in make recipes"
$MAKE check
:
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