我用 alien命令执行转化工作，但不知道为什么出错，请高手指点：
wangwei@Wangwei-Ubuntu:~/aplaws/binaries/temp/ttt$ sudo alien *.rpm
Package build failed. Here's the log:
dh_testdir
dh_testdir
dh_testroot
dh_clean -k -d
dh_installdirs
dh_installdocs
dh_installchangelogs
find . -maxdepth 1 -mindepth 1 -not -name debian -print0 | \
xargs -0 -r -i cp -a {} debian/ccm-core-doc
dh_compress
dh_makeshlibs
dh_installdeb
dh_shlibdeps
dh_gencontrol
dpkg-gencontrol: warning: unknown substitution variable ${shlibs:Depends}
dh_md5sums
dh_md5sums: command returned error code
make: *** [binary-arch] 错误 1
find: ccm-core-doc-6.1.1: 没有那个文件或目录