Index: head/graphics/pnglite/Makefile
===================================================================
--- head/graphics/pnglite/Makefile	(revision 499685)
+++ head/graphics/pnglite/Makefile	(revision 499686)
@@ -1,28 +1,33 @@
 # Created by: Dmitry Marakasov <amdmi3@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	pnglite
 PORTVERSION=	0.1.17
+PORTREVISION=	1
 CATEGORIES=	graphics
 MASTER_SITES=	SF
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Lightweight PNG C library
 
 LICENSE=	ZLIB
 
 USES=		dos2unix zip
 USE_LDCONFIG=	yes
+SOVERSION=	0
 
+LDFLAGS+=	-fPIC -Wl,-soname,libpnglite.so.${SOVERSION}
+
 NO_WRKSUBDIR=	yes
 
-PLIST_FILES=	include/pnglite.h lib/libpnglite.so
+PLIST_FILES=	include/pnglite.h lib/libpnglite.so lib/libpnglite.so.${SOVERSION}
 
 do-build:
-	cd ${WRKSRC} && ${CC} -o libpnglite.so -shared ${CFLAGS} -fPIC ${LDFLAGS} -lz pnglite.c
+	cd ${WRKSRC} && ${CC} ${CFLAGS} ${LDFLAGS} -shared pnglite.c -o libpnglite.so.${SOVERSION}
 
 do-install:
-	${INSTALL_LIB} ${WRKSRC}/libpnglite.so ${STAGEDIR}${PREFIX}/lib
 	${INSTALL_DATA} ${WRKSRC}/pnglite.h ${STAGEDIR}${PREFIX}/include
+	${INSTALL_LIB} ${WRKSRC}/libpnglite.so.${SOVERSION} ${STAGEDIR}${PREFIX}/lib
+	${LN} -s libpnglite.so.${SOVERSION} ${STAGEDIR}${PREFIX}/lib/libpnglite.so
 
 .include <bsd.port.mk>