$NetBSD: patch-libfdt_Makefile.libfdt,v 1.1 2017/12/05 09:54:18 adam Exp $

On Darwin, shared libraries have different naming.

--- libfdt/Makefile.libfdt.orig	2017-12-05 08:44:44.000000000 +0000
+++ libfdt/Makefile.libfdt
@@ -3,7 +3,11 @@
 # This is not a complete Makefile of itself.  Instead, it is designed to
 # be easily embeddable into other systems of Makefiles.
 #
+ifeq ($(HOSTOS),darwin)
+LIBFDT_soname = libfdt.1.$(SHAREDLIB_EXT)
+else
 LIBFDT_soname = libfdt.$(SHAREDLIB_EXT).1
+endif
 LIBFDT_INCLUDES = fdt.h libfdt.h libfdt_env.h
 LIBFDT_VERSION = version.lds
 LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c fdt_empty_tree.c \