按步骤编译1.6出错

[HDL199411]

错误信息如下：
[ 1%] Linking C executable bmjpegdec
/home/disk/sophon/libsophav/jpeg/../3rdparty/libbmcv/lib/soc/libbmlib.so：对‘dlopen’未定义的引用
/home/disk/sophon/libsophav/jpeg/../3rdparty/libbmcv/lib/soc/libbmlib.so：对‘dlerror’未定义的引用
/home/disk/sophon/libsophav/jpeg/../3rdparty/libbmcv/lib/soc/libbmlib.so：对‘dlsym’未定义的引用
collect2: error: ld returned 1 exit status
jpeg/CMakeFiles/bmjpegdec.dir/build.make:129: recipe for target 'jpeg/bmjpegdec' failed
make[2]: *** [jpeg/bmjpegdec] Error 1
CMakeFiles/Makefile2:1610: recipe for target 'jpeg/CMakeFiles/bmjpegdec.dir/all' failed
make[1]: *** [jpeg/CMakeFiles/bmjpegdec.dir/all] Error 2
Makefile:135: recipe for target 'all' failed
make: *** [all] Error 2
~/disk/sophon/libsophav