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#! /bin/sh
# Copyright (C) 2002, 2003, 2004, 2010, 2011 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/>.
# Make sure that we can enable or disable warnings on a per-file basis.
. ./defs || Exit 1
cat >>configure.in <<END
AC_CONFIG_FILES([sub/Makefile])
AC_OUTPUT
END
mkdir sub
# These two Makefile contain the same errors, but have different
# warnings disabled.
cat >Makefile.am <<END
AUTOMAKE_OPTIONS = -Wno-obsolete
INCLUDES = -Ifoo
foo_SOURCES = unused
SUBDIRS = sub
END
cat >sub/Makefile.am <<END
AUTOMAKE_OPTIONS = -Wno-syntax
INCLUDES = -Ifoo
foo_SOURCES = unused
END
$ACLOCAL
AUTOMAKE_fails
# The expected diagnostic is
# Makefile.am:3: warning: variable `foo_SOURCES' is defined but no program or
# library has `foo' as canonical name (possible typo)
# sub/Makefile.am:2: warning: `INCLUDES' is the old name for `AM_CPPFLAGS'
grep '^Makefile.am:.*foo_SOURCES' stderr
grep '^sub/Makefile.am:.*INCLUDES' stderr
grep '^sub/Makefile.am:.*foo_SOURCES' stderr && Exit 1
grep '^Makefile.am:.*INCLUDES' stderr && Exit 1
# Only three lines of warnings.
test `grep -v 'warnings are treated as errors' stderr | wc -l` = 3
# On fast machines the autom4te.cache created during the above run of
# $AUTOMAKE is likely to have the same time stamp as the configure.in
# created below; thus causing traces for the old configure.in to be
# used. We could do `$sleep', but it's faster to erase the
# directory. (Erase autom4te*.cache, not autom4te.cache, because some
# bogus installations of Autoconf use a versioned cache).
rm -rf autom4te*.cache
# If we add a global -Wnone, all warnings should disappear.
cat >configure.in <<END
AC_INIT([warnopts], [1.0])
AM_INIT_AUTOMAKE([-Wnone])
AC_CONFIG_FILES([Makefile sub/Makefile])
AC_OUTPUT
END
$ACLOCAL
$AUTOMAKE
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