[gdk-pixbuf/ebassi/for-master: 7/8] build: Make gtk_doc option yield

[Emmanuele Bassi <ebassi src gnome org>]

commit f55d88dccfafc9677412c7187243784250f647af
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Mar 23 13:11:21 2021 +0000

    build: Make gtk_doc option yield
    
    When building gdk-pixbuf as a sub-project, we want to yield the value of
    the gtk_doc option to the super-project.

 meson_options.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/meson_options.txt b/meson_options.txt
index b6d82e9b6..5c2641cb6 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -17,7 +17,8 @@ option('builtin_loaders',
 option('gtk_doc',
        description: 'Whether to generate the API reference',
        type: 'boolean',
-       value: false)
+       value: false,
+       yield: true)
 option('docs',
        description: 'Whether to generate the whole documentation (see: gtk_doc and man options) 
[Deprecated]',
        type: 'boolean',