Workaround:
Get the patch from macports.org
cd /opt/local/var/macports/sources/rsync.macports.org/release/ports/sysutils/screen/work/screen-4.0.3
sudo patch -p1 < ~/Downloads/screen-4.0.3-snowleopard.patch
This is the output:
patching file Makefile.in
patching file config.h.in
patching file configure
patching file process.c
Hunk #1 succeeded at 5471 (offset 5 lines).
patching file pty.c
patching file screen.c
patching file vproc_priv.h
patching file window.c
Then do a
sudo port install screen
