$OpenBSD$
--- mlnlffigen/Makefile.orig	Thu May 26 13:12:40 2016
+++ mlnlffigen/Makefile	Thu May 26 13:12:59 2016
@@ -11,7 +11,7 @@ BIN := $(BUILD)/bin
 LIB := $(BUILD)/lib
 MLTON := mlton
 TARGET := self
-FLAGS := -target $(TARGET) -default-ann 'sequenceNonUnit warn'
+FLAGS := -codegen c -target $(TARGET) -default-ann 'sequenceNonUnit warn'
 NAME := mlnlffigen
 PATH := $(BIN):$(shell echo $$PATH)
 
