If a file is no longer found in the repository (because it has been moved, in
this case), the cvs log command will fail and the build will not take place:
-----------------------------------------------------------------------------
started
[DM] $ C:\usr\local\bin\cvs.exe -q -z3 update -PdC -D "Tuesday, June 10, 2008
9:37:44 PM UTC"
? baselines/DMjutil/src/DMversion.properties
cvs update: baselines/DMnet/main.cpp is no longer in the repository
U baselines/DMnet/testsrc/main.cpp
[nt] $ C:\usr\local\bin\cvs.exe -q -z3 update -PdC -D "Tuesday, June 10, 2008
9:37:44 PM UTC"
[DMtest] $ C:\usr\local\bin\cvs.exe -q -z3 update -PdC -D "Tuesday, June 10,
2008 9:37:44 PM UTC"
? Tests/DMangleTests/Results_nt
? Tests/DMntf_tagTests/taglist.txt
$ computing changelog
cvs log: nothing known about main.cpp

ERROR: cvs exited with error code 1
Command line was [Executing 'C:\usr\local\bin\cvs.exe' with arguments:
'-d:<repository name removed>'
'log'
'-d'
'>=2008-06-09'
'--'
'DM/baselines/DMnet/main.cpp'
'DM/baselines/DMnet/testsrc/main.cpp'

The ' characters around the executable and arguments are
not part of the command.
-----------------------------------------------------------------------------

It seems that the cvs log command should not include the file that no longer exists.