[PKG_CHECK_MODULES([LUA], [lua51 >= 5.1.0], requirement_lua="lua51",
[have_lua="no])])])])
-if test "x${have_lua}" = "no" ; then
+if test "x${have_lua}" = "xno" ; then
AC_MSG_CHECKING([whether lua_newstate() is in liblua])
AC_CHECK_LIB([lua], [lua_newstate],
[
fi
AC_SUBST(lua_libs)
-if test "x${have_lua}" = "no" ; then
+if test "x${have_lua}" = "xno" ; then
AC_MSG_ERROR([Cannot find lua library. Be sure that you have installed it and set CFLAGS and LDFLAGS correctly])
fi