From a67483265888b6a5cad8cf2fdf60a226c96c970f Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Wed, 19 Aug 2020 14:20:41 -0400
Subject: [PATCH] Trigger fontconfig initialization early

Add a pango call to create the fontmap already in gtk_init.
This will let us hide the cost of FcInit() (which on font-heavy
systems can be ~100ms) in a thread, on the pango side.
---
 gtk/gtkmain.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index f59f1403cc..a517a0e6e7 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -623,6 +623,9 @@ do_pre_parse_initialization (void)
       slowdown = g_ascii_strtod (env_string, NULL);
       _gtk_set_slowdown (slowdown);
     }
+
+  /* Trigger fontconfig initialization early */
+  pango_cairo_font_map_get_default ();
 }
 
 static void