$NetBSD: patch-Makefile,v 1.3 2023/03/30 13:50:20 ryoon Exp $

Use custom CFLAGS; do not fail on warnings.
Fix install_name on Darwin.
Link against shared library.

--- Makefile.orig	2023-02-09 10:01:35.000000000 +0000
+++ Makefile
@@ -23,7 +23,7 @@ ASSUME_MASK ?= 0
 CPPFLAGS = -I libfdt -I . -DFDT_ASSUME_MASK=$(ASSUME_MASK)
 WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs -Wsign-compare \
 	-Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow
-CFLAGS = -g -Os $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS) $(EXTRA_CFLAGS)
+CFLAGS = $(SHAREDLIB_CFLAGS) $(WARNINGS) $(EXTRA_CFLAGS)
 
 BISON = bison
 LEX = flex
@@ -65,7 +65,7 @@ endif
 ifeq ($(HOSTOS),darwin)
 SHAREDLIB_EXT     = dylib
 SHAREDLIB_CFLAGS  = -fPIC
-SHAREDLIB_LDFLAGS = -fPIC -dynamiclib -Wl,-install_name -Wl,
+SHAREDLIB_LDFLAGS = -fPIC -dynamiclib -Wl,-install_name -Wl,$(LIBDIR)/
 else ifeq ($(HOSTOS),$(filter $(HOSTOS),msys cygwin))
 SHAREDLIB_EXT     = so
 SHAREDLIB_CFLAGS  =