1 files changed, 39 insertions, 0 deletions
diff --git a/t/ext3.sh b/t/ext3.sh
new file mode 100755
index 000000000..bd5ed6dd3
--- /dev/null
+++ b/t/ext3.sh
@@ -0,0 +1,39 @@
+#! /bin/sh
+# Copyright (C) 2009-2012 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 3 of the License, 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/>.
+
+# Cover corner cases of derive_suffix wrt. file extensions:
+# - extension declared with SUFFIXES but with no suffix rule for it
+# - extension with a suffix rule but none that leads us to $(OBJEXT)
+# In both cases, we don't try to create a rule; but we shouldn't
+# fail either, because magic might be happening behind our back.
+
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo bar
+foo_SOURCES = foo.goo
+SUFFIXES = .goo
+bar_SOURCES = bar.woo
+.woo.zoo: ; making a zoo $@ from a woo $<
+END
+
+$ACLOCAL
+$AUTOMAKE
+
+Exit 0