+AC_DEFINE(USE_LFS)
+echo "Enabling Large File System support by default"
+)
+
+dnl
+dnl Handle --enable-qfa
+dnl
+AC_ARG_ENABLE([qfa],
+[ --enable-qfa enable Quick File Access support (default is YES)],
+if test "$enableval" = "yes"
+then
+ AC_DEFINE(USE_QFA)
+ echo "Enabling Quick File Access support"
+else
+ echo "Not enabling Quick File Access support"
+fi
+,
+AC_DEFINE(USE_QFA)
+echo "Enabling Quick File Access support by default"
+)
+
+dnl
+dnl Handle --enable-qfadebug
+dnl
+AC_ARG_ENABLE([qfadebug],
+[ --enable-qfadebug include Quick File Access debugging code (default is NO)],
+if test "$enableval" = "yes"
+then
+ AC_DEFINE(DEBUG_QFA)
+ echo "Including Quick File Access debugging code"
+else
+ echo "Not including Quick File Access debugging code"
+fi
+,
+echo "Not including Quick File Access debugging code by default"