gplugin/gplugin

Don't explicitly use shared_library on gplugin, gplugin-gtk3, and gplugin-gtk4

2022-03-14, Gary Kramlich
e9856b6fd6d6
Don't explicitly use shared_library on gplugin, gplugin-gtk3, and gplugin-gtk4

By just using the library function meson can choose to static link these into
another target.

Testing Done:
Did intial testing in the pidgin tree by hacking `gplugin/meson.build` and used `ldd` to verify that gplugin was staticly linked and that plugins still worked.

Reviewed at https://reviews.imfreedom.org/r/1346/
Title: Lua Plugins
Slug: lua
## Lua Plugins
> You **MUST** have the Lua loader plugin installed and working as well as the
> gobject-introspection package for GPlugin instance to use Lua plugins.
### Example Lua Plugin
Like all plugins in GPlugin, Lua plugins must also implement the
`gplugin_query`, `gplugin_load`, and `gplugin_unload` functions.
The following is a basic Lua plugin.
```lua
local lgi = require "lgi"
local GPlugin = lgi.GPlugin
function gplugin_query()
return GPlugin.PluginInfo {
id = "gplugin-lua/basic-plugin",
abi_version = 0x01020304,
name = "basic plugin",
category = "test",
version = "0.0.10",
license_id = "license-id",
summary = "basic lua plugin",
description = "description of the basic lua plugin",
authors = { "Gary Kramlich <grim@reaperworld.com>" },
website = "https://keep.imfreedom.org/gplugin/gplugin/"
}
end
function gplugin_load(plugin)
return true
end
function gplugin_unload(plugin)
return true
end
```