$NetBSD: patch-Makefile,v 1.1 2020/11/24 13:04:53 nia Exp $

Add support for NetBSD.

--- Makefile.orig	2020-10-17 13:37:27.000000000 +0000
+++ Makefile
@@ -286,6 +286,8 @@ ifeq ($(YQ2_OSTYPE),Linux)
 override LDFLAGS += -lm -ldl -rdynamic
 else ifeq ($(YQ2_OSTYPE),FreeBSD)
 override LDFLAGS += -lm
+else ifeq ($(YQ2_OSTYPE),NetBSD)
+override LDFLAGS += -lm
 else ifeq ($(YQ2_OSTYPE),OpenBSD)
 override LDFLAGS += -lm
 else ifeq ($(YQ2_OSTYPE),Windows)
@@ -452,6 +454,11 @@ release/quake2 : CFLAGS += -DHAVE_EXECIN
 release/quake2 : LDFLAGS += -lexecinfo
 endif
 
+ifeq ($(YQ2_OSTYPE), NetBSD)
+release/quake2 : CFLAGS += -DHAVE_EXECINFO
+release/quake2 : LDFLAGS += -lexecinfo
+endif
+
 ifeq ($(YQ2_OSTYPE), OpenBSD)
 release/quake2 : CFLAGS += -DHAVE_EXECINFO
 release/quake2 : LDFLAGS += -lexecinfo