[vdr] Error compiling dxr3 plugin

[Rudy Sgorlon <rsgorlon@tiscali.it>]

I try to compiling dxr3 plugin cvs version, fffmpeg cvs version  vdr 1.3.17.
After "make plugins" command I get this error:

debian:/vdr/vdr-1.3.17# make plugins
make[1]: Entering directory `/vdr/vdr-1.3.17/PLUGINS/src/dxr3'
g++ -O2 -Wall -Woverloaded-virtual -lz -shared dxr3.o 
dxr3multichannelaudio.o dx
r3sysclock.o dxr3colormanager.o dxr3syncbuffer.o dxr3audiodecoder.o 
dxr3blackfra
me.o dxr3palettemanager.o dxr3nextpts.o dxr3pesframe.o dxr3demuxdevice.o 
dxr3con
figdata.o dxr3log.o dxr3ffmpeg.o dxr3spuencoder.o dxr3i18n.o 
dxr3interface.o dxr
3device.o dxr3outputthread.o dxr3osd.o dxr3osd_subpicture.o 
dxr3spudecoder.o dxr
3unixserversocket.o dxr3cpu.o dxr3memcpy.o dxr3dolbydigital.o 
-L/usr/local/inclu
de/ffmpeg/libavcodec -lavcodec -ljpeg -o libvdr-dxr3.so
/usr/bin/ld: cannot find -lz

Where I 'm mistaking?