Error of building last port:
cc -D_THREAD_SAFE -I/usr/local/include -I/usr/local/include
-I/usr/local/include/p11-kit-1 -I/usr/local/include
-I/usr/local/include/webp -I/usr/local/ffmpeg4/include -O2 -pipe
-I/usr/local/ffmpeg4/include -fstack-protector-strong -isystem /usr/loc
al/include -fno-strict-aliasing -L/usr/local/ffmpeg4/lib
-fstack-protector-strong -o motion motion.o logger.o conf.o draw.o
jpegutils.o video_loopback.o video_v4l2.o video_common.o video_bktr.o
netcam.o netcam_http.o netcam_ftp.o netcam_jpeg.o netcam
_wget.o netcam_rtsp.o track.o alg.o event.o picture.o rotate.o
translate.o md5.o stream.o ffmpeg.o webu.o webu_html.o webu_stream.o
webu_text.o mmalcam.o /usr/local/lib/libintl.so -Wl,-rpath
-Wl,/usr/local/lib -L/usr/local/lib -pthread -L/usr/local/
lib -ljpeg -L/usr/local/lib -lmicrohttpd -L/usr/local/lib -lwebpmux
-L/usr/local/ffmpeg4/lib -lavutil -lavformat -lavcodec -lswscale
-lavdevice
ld: error: undefined symbol: WebPConfigInitInternal
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPPictureInitInternal
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPPictureAlloc
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPMemoryWriterInit
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPMemoryWrite
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPEncode
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPMemoryWriterClear
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPPictureFree
>>> referenced by picture.c
>>> picture.o:(put_picture)
ld: error: undefined symbol: WebPFree
>>> referenced by picture.c
>>> picture.o:(put_picture)
cc: error: linker command failed with exit code 1 (use -v to see
invocation)
gmake[4]: *** [Makefile:424: motion] Error 1
--
-----
Alex.
