[1]

BitBake User Manual (2017-11-20 17:21:28 +09:00) http://www.yoctoproject.org/docs/2.4/bitbake-user-manual/bitbake-user-manual.html#cvs-fetcher

Some example URLs are as follows:
SRC_URI = "cvs://CVSROOT;module=mymodule;tag=some-version;method=ext"
SRC_URI = "cvs://CVSROOT;module=mymodule;date=20060126;localdir=usethat"