Use LDFLAGS when making the dylib.
--- lib/Makefile.darwin-lib.orig	2023-02-06 21:31:53.000000000 -0600
+++ lib/Makefile.darwin-lib	2023-02-26 14:03:45.000000000 -0600
@@ -25,6 +25,7 @@
 	$(E) "	GEN_BSD_SOLIB $(BSD_LIB)"
 	$(Q) (cd pic; $(CC) -dynamiclib -compatibility_version 1.0 -current_version $(BSDLIB_VERSION) \
 		-install_name $(BSDLIB_INSTALL_DIR)/$(BSD_LIB) \
+		$(LDFLAGS) \
 		-undefined dynamic_lookup -o $(BSD_LIB) $(OBJS))
 	$(Q) $(MV) pic/$(BSD_LIB) .
 	$(Q) $(RM) -f ../$(BSD_LIB)