[AC_DEFINE(WITH_LUA, 1, [Build with lua support?])],
[AC_MSG_ERROR([lua not present (--without-lua to disable)])])
AC_SUBST(LUA_CFLAGS)
[AC_DEFINE(WITH_LUA, 1, [Build with lua support?])],
[AC_MSG_ERROR([lua not present (--without-lua to disable)])])
AC_SUBST(LUA_CFLAGS)