Add a debug.sh script that configures with -g3 -O0.

diff --git a/debug.sh b/debug.sh
new file mode 100755 (executable)
index 0000000..e50a1a9
--- /dev/null
+++ b/debug.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+flags='-g3 -O0'
+export CFLAGS=$flags
+export CXXFLAGS=$flags
+export OBJCXXFLAGS=$flags
+./configure