diff --git a/COMPILING b/COMPILING
index 2293912c..dc39659e 100644
--- a/COMPILING
+++ b/COMPILING
@@ -49,11 +49,11 @@ environment:
 - X11 (from the OS X DVD)
 - MacPorts or fink or homebrew installed
 - the following packages installed:
-  Macports:
+  Macports (reported as working in 10.15.3):
     gtkglext pkgconfig glib2-devel libxml2 gtk2 pango atk gettext wget
   Fink:
     gtkglext1 pkgconfig glib2-dev libxml2 gtk+2 gtk+2-dev pango1-xft2-ft219-dev atk1 gettext-dev wget
-  homebrew:
+  homebrew (does not work due to X11->Quartz switch, requires patched gtkglext):
     gtk+ gtkglext
 
 build: