--- /dev/null
+--- 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,