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https://wiki.gentoo.org/wiki/Lua/Porting_notes
--- a/rpc2-src/lua.c
+++ b/rpc2-src/lua.c
@@ -303,10 +303,28 @@ static void l2c_totimeval(lua_State *L, int index, struct timeval *tv)
}
}
+#if !defined LUA_VERSION_NUM || LUA_VERSION_NUM==501
+/*
+** Adapted from Lua 5.2.0
+*/
+static void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
+ luaL_checkstack(L, nup+1, "too many upvalues");
+ for (; l->name != NULL; l++) { /* fill the table with given functions */
+ int i;
+ lua_pushstring(L, l->name);
+ for (i = 0; i < nup; i++) /* copy upvalues to the top */
+ lua_pushvalue(L, -(nup+1));
+ lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
+ lua_settable(L, -(nup + 3));
+ }
+ lua_pop(L, nup); /* remove upvalues */
+}
+#endif
+
static int l2c_timeval_init(lua_State *L)
{
luaL_newmetatable(L, RPC2_TIMEVAL);
- luaL_openlib(L, NULL, timeval_m, 0);
+ luaL_setfuncs(L, timeval_m, 0);
lua_register(L, "time", timeval_new);
return 1;
}
--- a/configure.ac
+++ b/configure.ac
@@ -55,6 +55,8 @@ AS_IF([test "x$with_libuv" != "xno"],
AC_ARG_WITH(lua,
[AS_HELP_STRING([--with-lua], [embed Lua interpreter])],
+ [], [with_lua=no])
+AS_IF([test "x$with_lua" != "xno"],
[PKG_CHECK_EXISTS([lua5.1], [ PKG_CHECK_MODULES([LUA], [lua5.1]) ],
[ PKG_CHECK_MODULES([LUA], [lua]) ])
AC_DEFINE(USE_LUA, 1, [Define this when linking against Lua])
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