Re: Dynamic library loading with lgi

[Daurnimator <quae@...>]

On 19 November 2012 14:59, Rena <hyperhacker@gmail.com> wrote:
>
> I've run into an issue when porting a program from LuaGnome to lgi.
> This program loads another C library which uses some GDK functions.
> Since it's a shared library I guess it expects the host program to
> load the appropriate GDK libraries as well, and LuaGnome would do
> this, but lgi does not? So the library can't be loaded:
>
> lua5.1: error loading module 'display' from file './display/build/display.so':
>         ./display/build/display.so: undefined symbol: gdk_draw_rgb_image
>
> I feel like I fixed this problem once before, by referencing some GDK
> function in the Lua script before loading the library that depends on
> it, so that the GDK libraries would be loaded. But I can't find the
> program that did that now (maybe I dreamed it?), and the result is
> even stranger than I expected - lgi.Gdk.draw_rgb_image is nil. As is
> lgi.Gdk.pixbuf_new, on the off chance that one function had been
> changed. So I'm not sure how you're meant to even use GDK with lgi,
> let alone load the library so that others can use it?
>
> --
> Sent from my Game Boy.
>

Are you loading the gdk library?
That is, try `local Gdk = lgi.require('Gdk', '3.0')` (from
https://github.com/pavouk/lgi/blob/master/samples/console.lua#L8 )