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#! /bin/sh
# Copyright (C) 2002-2018 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 <https://www.gnu.org/licenses/>.
# Test the += diagnostics.
. test-init.sh
cat >>configure.ac << 'END'
AM_CONDITIONAL([COND1], [true])
AM_CONDITIONAL([COND2], [true])
AM_CONDITIONAL([COND3], [true])
END
cat > Makefile.am << 'END'
if COND1
C = c
if COND2
A = a
B = aa
C += cc
else
A = b
B = bb
endif
A += c
else
A = d
endif
A += e
if COND3
A += f
B = cc
endif
B += dd
END
$ACLOCAL
AUTOMAKE_fails
# We expect the following diagnostic:
#
# Makefile.am:19: cannot apply '+=' because 'B' is not defined in
# Makefile.am:19: the following conditions:
# Makefile.am:19: !COND1 and !COND3
# Makefile.am:19: either define 'B' in these conditions, or use
# Makefile.am:19: '+=' in the same conditions as the definitions.
#
# It would be nice if Automake could print only COND3_FALSE and
# COND1_FALSE (merging the last two conditions), so we'll support
# this case in the check too.
grep '[cC]annot apply.*+=' stderr
grep ': !COND1 and !COND3$' stderr
# Make sure there is exactly one missing condition.
test $(grep -c ': ' stderr) -eq 1
:
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