[ 94%] Linking CXX executable /home/sjm/ql/projects/DSP-SLAM/dsp_slam
/usr/local/lib/libpango_image.so：对‘TIFFOpen@LIBTIFF_4.0’未定义的引用
/usr/local/lib/libpango_image.so：对‘TIFFGetField@LIBTIFF_4.0’未定义的引用
/usr/local/lib/libpango_image.so：对‘TIFFScanlineSize@LIBTIFF_4.0’未定义的引用
/usr/local/lib/libpango_image.so：对‘TIFFSetWarningHandler@LIBTIFF_4.0’未定义的引用
/usr/local/lib/libpango_image.so：对‘TIFFReadScanline@LIBTIFF_4.0’未定义的引用
/usr/local/lib/libpango_image.so：对‘TIFFClose@LIBTIFF_4.0’未定义的引用
collect2: error: ld returned 1 exit status
CMakeFiles/dsp_slam.dir/build.make:134: recipe for target '/home/sjm/ql/projects/DSP-SLAM/dsp_slam' failed
make[2]: *** [/home/sjm/ql/projects/DSP-SLAM/dsp_slam] Error 1
CMakeFiles/Makefile2:129: recipe for target 'CMakeFiles/dsp_slam.dir/all' failed
make[1]: *** [CMakeFiles/dsp_slam.dir/all] Error 2
Makefile:90: recipe for target 'all' failed
make: *** [all] Error 2