R CMD INSTALL /home/tiger/workspace/caTools_1.13.tar.gz
* installing to library ‘/usr/local/lib/R/site-library’
* installing *source* package ‘caTools’ ...
** libs
g++ -I/usr/share/R/include      -fpic  -O3 -pipe  -g -c Gif2R.cpp -o Gif2R.o
g++ -I/usr/share/R/include      -fpic  -O3 -pipe  -g -c GifTools.cpp -o GifTools.o
gcc -I/usr/share/R/include      -fpic  -std=gnu99 -O3 -pipe  -g -c runfunc.c -o runfunc.o
g++ -shared -o caTools.so Gif2R.o GifTools.o runfunc.o -L/usr/lib/R/lib -lR
installing to /usr/local/lib/R/site-library/caTools/libs
** R
** preparing package for lazy loading
Error : package 'bitops' does not have a name space
ERROR: lazy loading failed for package ‘caTools’
* removing ‘/usr/local/lib/R/site-library/caTools’

请问，如何安装这个包？