--- gegl-0.4.18/seamless-clone/meson.build.orig	2019-10-27 01:01:07.000000000 +0200
+++ gegl-0.4.18/seamless-clone/meson.build	2019-11-30 19:46:21.886515954 +0100
@@ -22,6 +22,7 @@
     glib,
     gobject,
     poly2tri_c,
+    math,
   ],
   link_with: [
     gegl_lib,