* configure.ac: Output iface/gspn/defs.

* iface/gspn/Makefile.am (EXTRA_DIST): Add $(TESTS).
(TESTS, check_SCRIPTS, distclean-local): New.
* iface/gspn/dcswave.test, iface/gspn/simple.test,
iface/gspn/defs.in: New files.
* iface/gspn/dottygspn.cc (main): Take the list of properties
of interest in argument.

iface/gspn/defs.in

@@ -0,0 +1,54 @@
+# -*- shell-script -*-
+
+# Ensure we are running from the right directory.
+test -f ./defs || {
+   echo "defs: not found in current directory" 1>&2
+   exit 1
+}
+
+# If srcdir is not set, then we are not running from `make check', be verbose.
+if test -z "$srcdir"; then
+   test -z "$VERBOSE" && VERBOSE=x
+   # compute $srcdir.
+   srcdir=`echo "$0" | sed -e 's,/[^\\/]*$,,'`
+   test $srcdir = $0 && srcdir=.
+fi
+
+# Always use an absolute srcdir.  Otherwise symlinks made in subdirs
+# of the test dir just won't work.
+case "$srcdir" in
+ [\\/]* | ?:[\\/]*)
+    ;;
+
+ *)
+    srcdir=`CDPATH=: && cd "$srcdir" && pwd`
+    ;;
+esac
+
+# Ensure $srcdir is set correctly.
+test -f $srcdir/defs.in || {
+   echo "$srcdir/defs.in not found, check \$srcdir" 1>&2
+   exit 1
+}
+
+# User can set VERBOSE to see all output.
+test -z "$VERBOSE" && exec >/dev/null 2>&1
+
+DOT='@DOT@'
+
+
+# Create a test subdirectory.
+
+chmod -R a+rwx testSubDir > /dev/null 2>&1
+rm -rf testSubDir > /dev/null 2>&1
+mkdir testSubDir
+cd testSubDir
+
+echo "== Running test $0"
+
+# Turn on shell traces when VERBOSE=x.
+if test "x$VERBOSE" = xx; then
+  set -x
+else
+  :
+fi