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#! /bin/sh
# Copyright (C) 2012-2014 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 our fake "shell" used to guard against use of trailing
# backslashes in recipes actually complains when those are used.
# Our hack doesn't work with some make implementations (see comments
# in 't/ax/shell-no-trail-bslash.in' for more details).
required=GNUmake
am_create_testdir=empty
. test-init.sh
cat >> Makefile <<'END'
am__backslash = \\ # foo
.PHONY: good bad
good:
@printf '%s\n' OK
.PHONY: bad
bad:
@echo $(am__backslash)
END
SHELL=$am_testaux_builddir/shell-no-trail-bslash
$SHELL -c 'exit 0'
test "$($SHELL -c 'echo is o\k')" = "is ok"
echo 'echo is ok\"' > ok.sh
$SHELL ./ok.sh
test "$($SHELL ./ok.sh)" = "is ok\""
tab=' '
nl='
'
for sfx in \
'\' \
'\\' \
'\\\\\' \
'\ ' \
"\\$tab" \
"\\ $tab$tab " \
"\\$nl" \
"\\ $nl " \
"\\$nl$nl$nl" \
; do
for pfx in "" "echo bad" ": a${nl}# multine${nl}: text"; do
cmd=${pfx}${sfx}
printf '%s' "$cmd" > bad.sh
for args in '-c "$cmd"' './bad.sh'; do
eval "\$SHELL $args 2>stderr && { cat stderr >&2; exit 1; }; :"
cat stderr >&2
$FGREP "recipe/script ends with backslash character" stderr
cmd="$cmd" $PERL -w -e '
undef $/;
$_ = <>;
index($_, $ENV{cmd}) >= 0 or exit 1;
' <stderr
$FGREP "$cmd" stderr
done
done
done
$MAKE good
run_make -E -e FAIL bad SHELL="$SHELL"
$FGREP "recipe/script ends with backslash character" stderr
:
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