--- kBuild/tools/OPENWATCOM.kmk.orig	2016-09-09 01:38:43.000000000 +1000
+++ kBuild/tools/OPENWATCOM.kmk	2020-08-20 23:10:16.782663000 +1000
@@ -74,6 +74,15 @@
  	-E 'LIB=$1' \
  	-E 'INCLUDE=' \
  	$2 --
+ else ifeq ($(KBUILD_HOST),bsdsunix)
+  PATH_TOOL_OPENWATCOM_BIN   = $(PATH_TOOL_OPENWATCOM)/binbsdsux
+  TOOL_OPENWATCOM_ENV_SETUP ?= $(REDIRECT) \
+ 	-E 'PATH=$(PATH_TOOL_OPENWATCOM_BIN):$(PATH_TOOL_OPENWATCOM)/binl:$(PATH_TOOL_OPENWATCOM)/binw:$(PATH)' \
+ 	-E 'WATCOM=$(PATH_TOOL_OPENWATCOM)' \
+ 	-E 'EDPATH=$(PATH_TOOL_OPENWATCOM)/EDDAT' \
+ 	-E 'LIB=$1' \
+ 	-E 'INCLUDE=' \
+ 	$2 --
  else ifeq ($(KBUILD_HOST),freebsd)
   PATH_TOOL_OPENWATCOM_BIN   = $(PATH_TOOL_OPENWATCOM)/binfbsd
   TOOL_OPENWATCOM_ENV_SETUP ?= $(REDIRECT) \