Add note about compiling FORMS with -Dclear=__GLclear.
(The GLHACK variable isn't really needed since the change to
glmodule.c, but I'm too busy to remove it. It's harmless.)
diff --git a/Modules/Setup.in b/Modules/Setup.in
index e271653..8a05270 100644
--- a/Modules/Setup.in
+++ b/Modules/Setup.in
@@ -237,6 +237,10 @@
# components such as dialogs and buttons using SGI's GL and FM
# libraries. You must ftp the FORMS library separately from
# ftp://ftp.cs.ruu.nl/pub/SGI/FORMS. It was tested with FORMS 2.2a.
+# NOTE: if you want to be able to use FORMS and curses simultaneously
+# (or both link them statically into the same binary), you must
+# compile all of FORMS with the cc option "-Dclear=__GLclear".
+
# The FORMS variable must point to the FORMS subdirectory of the forms
# toplevel directory: