Add a bmakefile for zlib.

lib/libz/Makefile

@@ -0,0 +1,35 @@
+#
+# $Id$
+#
+
+MAINTAINER=peter@FreeBSD.org
+
+LIB=		z
+
+#CFLAGS+=	-DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
+#CFLAGS+=	-g -DDEBUG
+#CFLAGS+=	-Wall -Wwrite-strings -Wpointer-arith -Wconversion \
+#		-Wstrict-prototypes -Wmissing-prototypes
+
+CLEANFILES+=	example.o example minigzip.o minigzip
+
+SRCS = adler32.c compress.c crc32.c gzio.c uncompr.c deflate.c trees.c \
+       zutil.c inflate.c infblock.c inftrees.c infcodes.c infutil.c inffast.c
+
+beforeinstall:
+	${INSTALL} -c -m 644 -o ${BINOWN} -g ${BINGRP} zlib.h zconf.h \
+		${DESTDIR}/usr/include
+
+minigzip:	all minigzip.o
+	$(CC) -o minigzip minigzip.o -L. -lz
+
+example:	all example.o
+	$(CC) -o example example.o -L. -lz
+
+test: example minigzip
+	(export LD_LIBRARY_PATH=. ; ./example )
+	(export LD_LIBRARY_PATH=. ; \
+		echo hello world | ./minigzip | ./minigzip -d )
+
+
+.include <bsd.lib.mk>