-AC_DEFINE_UNQUOTED(DEFAULT_PATH, "$game_datadir", [Path to the Hengband lib folder])
-DEFAULT_PATH="$game_datadir"
-AC_SUBST(DEFAULT_PATH)
+AC_ARG_WITH(varpath,
+[ --with-varpath=path specify the path to the Hengband var folder],
+[game_varpath="$withval"],
+[game_varpath="$game_libpath"])
+
+AC_DEFINE_UNQUOTED(DEFAULT_LIB_PATH, "$game_libpath", [Path to the Hengband lib folder])
+DEFAULT_LIB_PATH="$game_libpath"
+AC_SUBST(DEFAULT_LIB_PATH)
+
+AC_DEFINE_UNQUOTED(DEFAULT_VAR_PATH, "$game_varpath", [Path to the Hengband var folder])
+DEFAULT_VAR_PATH="$game_varpath"
+AC_SUBST(DEFAULT_VAR_PATH)