--- portage.py~	2007-11-08 21:38:40.000000000 +0100
+++ portage.py	2007-11-08 21:39:55.000000000 +0100
@@ -2565,6 +2565,11 @@
 				writemsg("openpty failed: '%s'\n" % str(e), noiselevel=1)
 				del e
 				master_fd, slave_fd = os.pipe()
+		if got_pty:
+			import termios
+			mode = termios.tcgetattr(slave_fd)
+			mode[1] &= ~termios.OPOST
+			termios.tcsetattr(slave_fd, termios.TCSANOW, mode)
 
 		# We must set non-blocking mode before we close the slave_fd
 		# since otherwise the fcntl call can fail on FreeBSD (the child