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#! /bin/sh
# Copyright (C) 1999-2021 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 for another '+=' problem. Report from Brian Jones.
. test-init.sh
cat >> configure.ac << 'END'
AM_CONDITIONAL([CHECK], [true])
END
cat > Makefile.am << 'END'
if CHECK
INCLUDES = abc
endif
INCLUDES += def
END
$ACLOCAL
AUTOMAKE_fails
# We expect the following diagnostic:
#
# Makefile.am:4: cannot apply '+=' because 'INCLUDES' is not defined in
# Makefile.am:4: the following conditions:
# Makefile.am:4: !CHECK
# Makefile.am:4: either define 'INCLUDES' in these conditions, or use
# Makefile.am:4: '+=' in the same conditions as the definitions.
# Is !CHECK mentioned?
grep ':.*!CHECK$' stderr
# Is there only one missing condition?
test $(grep -c ': ' stderr) -eq 1
# By the way, Automake should suggest using AM_CPPFLAGS,
# because INCLUDES is an obsolete name.
grep AM_CPPFLAGS stderr
# A way to suppress the obsolete warning is to use
# -Wno-obsolete:
echo 'AUTOMAKE_OPTIONS = -Wno-obsolete' >> Makefile.am
AUTOMAKE_fails
grep AM_CPPFLAGS stderr && exit 1
# !CHECK should still be mentioned.
grep ':.*!CHECK$' stderr
:
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