$NetBSD: patch-gdb_doc_Makefile.in,v 1.3 2020/10/07 04:34:01 mcf Exp $

Add missing HAVE_NATIVE_GCORE_HOST variable so that gcore.1 gets
installed properly on non-Linux platforms.

--- gdb/doc/Makefile.in.orig	Tue Oct  6 09:03:59 2020
+++ gdb/doc/Makefile.in
@@ -179,6 +179,7 @@ MAN5S = gdbinit.5
 MANS = $(MAN1S) $(MAN5S)
 
 HAVE_NATIVE_GCORE_TARGET = @HAVE_NATIVE_GCORE_TARGET@
+HAVE_NATIVE_GCORE_HOST = @HAVE_NATIVE_GCORE_HOST@
 
 ###