[gdk-pixbuf/ebassi/for-master: 6/8] build: Handle -Dbuiltin_loaders=none

[Emmanuele Bassi <ebassi src gnome org>]

commit 15b678df365ed0cc1e084af36888f1878c43f7d8
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Apr 7 17:53:15 2021 +0100

    build: Handle -Dbuiltin_loaders=none
    
    Just like we documented it.

 meson.build | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/meson.build b/meson.build
index 2cdafd479..8911f8e6f 100644
--- a/meson.build
+++ b/meson.build
@@ -242,6 +242,8 @@ builtin_loaders = get_option('builtin_loaders').split(',')
 builtin_all_loaders = false
 if builtin_loaders == [ 'all' ]
   builtin_all_loaders = true
+elif builtin_loaders == [ 'none' ]
+  builtin_loaders = []
 endif
 
 # Loader dependencies