* lbtt/: New directory. Contains a patched version of lbtt 1.0.1.

* Makefile.am (MAYBE_LBTT): New variables.
(SUBDIRS): Add $(MAYBE_LBTT).
(EXTRA_DIST): Add m4/lbtt.m4.
* configure.ac: Call AX_CHECK_LBTT.
* m4/lbtt.m4: New file.
* src/tgbatest/Makefile.am (check_PROGRAMS): Add spotlbtt.
(spotlbtt_SOURCES): New variables.
(TESTS): Add spotlbtt.test.
(CLEANFILE): Add config.
* src/tgbatest/defs.in (top_builddir, LBTT, LBTT_TRANSLATE): New
substitutions.
* src/tgbatest/spotlbtt.cc, src/tgbatest/spotlbtt.test: New files.

src/tgbatest/spotlbtt.test

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+. ./defs
+
+set -e
+
+cat > config <<EOF
+Algorithm
+{
+   Name = "Spot"
+   Path = "${LBTT_TRANSLATE} --spot ./spotlbtt"
+   Enabled = yes
+}
+
+GlobalOptions
+{
+   Rounds = 1
+   Interactive = Never
+#   Verbosity = 5
+}
+
+FormulaOptions
+{
+
+  AbbreviatedOperators = Yes
+  GenerateMode = Normal
+  OutputMode = Normal
+  PropositionPriority = 50
+
+  TruePriority = 1
+  FalsePriority = 1
+
+  AndPriority = 10
+  OrPriority = 10
+  
+  BeforePriority = 0
+  StrongReleasePriority = 0
+  WeakUntilPriority = 0
+
+  DefaultOperatorPriority = 5
+}
+EOF
+
+${LBTT}
+rm config