$NetBSD$

Honor LDFLAGS.

--- lex/Makefile.orig	2020-01-10 16:10:46.000000000 +0000
+++ lex/Makefile
@@ -27,7 +27,7 @@ CAMLC = $(BOOT_OCAMLC) -strict-sequence 
 CAMLOPT = $(CAMLRUN) $(ROOTDIR)/ocamlopt -nostdlib -I $(ROOTDIR)/stdlib
 COMPFLAGS = -absname -w +a-4-9-41-42-44-45-48 -warn-error A \
             -safe-string -strict-sequence -strict-formats -bin-annot
-LINKFLAGS =
+LINKFLAGS = -cclib "$(LDFLAGS)"
 YACCFLAGS = -v
 CAMLLEX = $(CAMLRUN) $(ROOTDIR)/boot/ocamllex
 CAMLDEP = $(BOOT_OCAMLC) -depend
@@ -46,7 +46,7 @@ ocamllex: $(OBJS)
 	$(CAMLC) $(LINKFLAGS) -compat-32 -o ocamllex $(OBJS)
 
 ocamllex.opt: $(OBJS:.cmo=.cmx)
-	$(CAMLOPT_CMD) -o ocamllex.opt $(OBJS:.cmo=.cmx)
+	$(CAMLOPT_CMD) $(LINKFLAGS) -o ocamllex.opt $(OBJS:.cmo=.cmx)
 
 clean::
 	rm -f ocamllex ocamllex.opt
