diff -u -r ../less-487/configure ./configure
--- ../less-487/configure	2016-10-25 14:37:42.000000000 +0000
+++ ./configure	2017-07-07 08:39:29.875341117 +0000
@@ -4077,6 +4077,7 @@
     LIBS="$LIBS $TERMLIBS"
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#include <termcap.h>
 
 int
 main ()