[gnome-build-meta/sam/gtk3-tracker3] sdk: Enable tracker3 search backend in GTK

[Sam Thursfield <sthursfield src gnome org>]

commit 2b42239bb3a1436898c1ec0e090cd84c53cb90f4
Author: Sam Thursfield <sam afuera me uk>
Date:   Sat Aug 29 18:13:14 2020 +0200

    sdk: Enable tracker3 search backend in GTK
    
    Previously submitted as https://gitlab.gnome.org/GNOME/gnome-build-meta/-/merge_requests/826
    which caused a series of build failures.
    
    To fix these issues we made libtracker-data.so into a static library:
    https://gitlab.gnome.org/GNOME/tracker/-/merge_requests/307
    
    Additionally we added a check in GTK to fallback to tracker2 search
    backend if we detect that the process is linked against
    libtracker-sparql-2.0: https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/2513

 elements/sdk/gtk+-3.bst | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/elements/sdk/gtk+-3.bst b/elements/sdk/gtk+-3.bst
index c0e4e074..46ff2b05 100644
--- a/elements/sdk/gtk+-3.bst
+++ b/elements/sdk/gtk+-3.bst
@@ -19,6 +19,7 @@ depends:
 - sdk/glib.bst
 - sdk/gobject-introspection.bst
 - sdk/pango.bst
+- sdk/tracker.bst
 - freedesktop-sdk.bst:components/cairo.bst
 - freedesktop-sdk.bst:components/cups.bst
 - freedesktop-sdk.bst:components/hicolor-icon-theme.bst
@@ -44,6 +45,7 @@ variables:
     -Dgtk_doc=true
     -Dman=true
     -Dintrospection=true
+    -Dtracker3=true
 
 public:
   bst: