From 46f89d143b03d2af69ee871a2740a94e64663435 Mon Sep 17 00:00:00 2001
From: Christian Prochaska <christian.prochaska@genode-labs.com>
Date: Sat, 25 May 2019 19:43:08 +0200
Subject: [PATCH] libports: ncurses: disable relative cursor movement

Fixes #3380
---
 repos/libports/lib/mk/ncurses.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/repos/libports/lib/mk/ncurses.mk b/repos/libports/lib/mk/ncurses.mk
index 2c84f9b929..19e509a49e 100644
--- a/repos/libports/lib/mk/ncurses.mk
+++ b/repos/libports/lib/mk/ncurses.mk
@@ -15,6 +15,10 @@ vpath %.c $(NCURSES_SRC_DIR)/tinfo
 ALL_TTY_SRC_C = $(notdir $(wildcard $(NCURSES_SRC_DIR)/tty/*.c))
 SRC_C += $(ALL_TTY_SRC_C)
 vpath %.c $(NCURSES_SRC_DIR)/tty
+# prevent the use of '\n' for 'cursor down' movement, because the terminal adds
+# CR by default and ncurses' clearing of 'ONLCR' from 'c_oflag' currently has
+# no effect
+CC_OPT_lib_mvcur = -DNO_OPTIMIZE
 
 # files from the 'ncurses/trace/' subdirectory
 SRC_C += $(notdir $(addprefix $(NCURSES_SRC_DIR)/trace/,lib_trace.c varargs.c visbuf.c))