diff -ruN /usr/ports/graphics/png/Makefile ./Makefile
--- /usr/ports/graphics/png/Makefile	2013-07-07 12:55:10.000000000 +0300
+++ ./Makefile	2013-07-07 13:35:48.000000000 +0300
@@ -1,5 +1,5 @@
 # Created by: ache
-# $FreeBSD: graphics/png/Makefile 322425 2013-07-07 09:55:10Z dinoex $
+# $FreeBSD: head/graphics/png/Makefile 322425 2013-07-07 09:55:10Z dinoex $
 
 PORTNAME=	png
 PORTVERSION=	1.5.17
@@ -31,10 +31,6 @@
 
 .include <bsd.port.options.mk>
 
-.if defined(WITH_DEBUG)
-BROKEN=		Please remove WITH_DEBUG for this port
-.endif
-
 .if ${PORT_OPTIONS:MAPNG} || make(makesum) || defined(FETCH_ALL)
 MASTER_SITES+=	SF/apng/libpng/libpng15/:apng
 DISTFILES+=	${DISTNAME}-apng.patch.gz:apng
diff -ruN /usr/ports/graphics/png/files/patch-CMakeLists.txt ./files/patch-CMakeLists.txt
--- /usr/ports/graphics/png/files/patch-CMakeLists.txt	1970-01-01 02:00:00.000000000 +0200
+++ ./files/patch-CMakeLists.txt	2013-07-07 13:32:18.000000000 +0300
@@ -0,0 +1,12 @@
+--- CMakeLists.txt~	2013-07-07 13:31:51.000000000 +0300
++++ CMakeLists.txt	2013-07-07 13:32:01.000000000 +0300
+@@ -59,9 +59,6 @@
+ # SET LIBNAME
+ set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
+ 
+-# to distinguish between debug and release lib
+-set(CMAKE_DEBUG_POSTFIX "d")
+-
+ # Use the prebuilt pnglibconf.h file from the scripts folder
+ # TODO: fix this by building with awk; without this no cmake build can be
+ # configured directly (to do so indirectly use your local awk to build a
diff -ruN /usr/ports/graphics/png/pkg-plist ./pkg-plist
--- /usr/ports/graphics/png/pkg-plist	2012-07-14 16:54:48.000000000 +0300
+++ ./pkg-plist	2013-07-07 13:33:38.000000000 +0300
@@ -14,7 +14,7 @@
 lib/libpng.so
 libdata/pkgconfig/libpng15.pc
 libdata/pkgconfig/libpng.pc
-lib/libpng/libpng15-release.cmake
+lib/libpng/libpng15-%%CMAKE_BUILD_TYPE%%.cmake
 lib/libpng/libpng15.cmake
 lib/libpng15.a
 lib/libpng15.so