1 files changed, 73 insertions, 0 deletions
diff --git a/t/warnopts.sh b/t/warnopts.sh
new file mode 100755
index 000000000..1662d91d6
--- /dev/null
+++ b/t/warnopts.sh
@@ -0,0 +1,73 @@
+#! /bin/sh
+# Copyright (C) 2002-2012 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/>.
+
+# Make sure that we can enable or disable warnings on a per-file basis.
+
+. ./defs || Exit 1
+
+cat >>configure.ac <<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
+# $AUTOMAKE is likely to have the same time stamp as the configure.ac
+# created below; thus causing traces for the old configure.ac to be
+# used.  We could do '$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.ac <<END
+AC_INIT([warnopts], [1.0])
+AM_INIT_AUTOMAKE([-Wnone])
+AC_CONFIG_FILES([Makefile sub/Makefile])
+AC_OUTPUT
+END
+$ACLOCAL
+$AUTOMAKE