--- configure.orig	2018-02-08 19:22:54 UTC
+++ configure
@@ -3248,10 +3248,10 @@ fi
 # curses probe
 if test "$curses" != "no" ; then
   if test "$mingw32" = "yes" ; then
-    curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
+    curses_inc_list="$($pkg_config --cflags-only-I ncurses 2>/dev/null):"
     curses_lib_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
   else
-    curses_inc_list="$($pkg_config --cflags ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
+    curses_inc_list="$($pkg_config --cflags-only-I ncursesw 2>/dev/null):-I/usr/include/ncursesw:"
     curses_lib_list="$($pkg_config --libs ncursesw 2>/dev/null):-lncursesw:-lcursesw"
   fi
   curses_found=no