报错内容如下
/usr/bin/ld: 找不到 -lIL
collect2: error: ld returned 1 exit status
makefile:169: recipe for target 'siftgpu' failed
make[3]: *** [siftgpu] Error 1
rgbdslam/external/CMakeFiles/siftgpu_proj.dir/build.make:110: recipe for target 'rgbdslam/external/siftgpu_prefix/src/siftgpu_proj-stamp/siftgpu_proj-build' failed
make[2]: *** [rgbdslam/external/siftgpu_prefix/src/siftgpu_proj-stamp/siftgpu_proj-build] Error 2
CMakeFiles/Makefile2:3728: recipe for target 'rgbdslam/external/CMakeFiles/siftgpu_proj.dir/all' failed
make[1]: *** [rgbdslam/external/CMakeFiles/siftgpu_proj.dir/all] Error 2
Makefile:138: recipe for target 'all' failed
make: *** [all] Error 2
Invoking "make -j2" failed
