diff of multiple files between old versions

[Steve deRosier]

I'm trying to narrow down a problem in Alsa so I can debug and fix it. 
I've got a very old version that works, and current CVS versions with a 
bug.  Since I got no help on the Alsa list, I'm taking the hard 
aproach--by grabbing CVS snapshots on various dates I'm trying to narrow 
down to the date the bug was introduced.  If I can do that, I should be 
able to diff/log the last version that worked with the first version 
that is broken and figure out where to fix it.

The question is this: How do I figure out what changed between two 
specific times?

What I'm currently doing is checking out dated versions in different 
directories and compiling and testing:
mkdir cvs011503
cd cvs011503
cvs -z3 co -P -D 2003-01-15 .
.
.
.

So, when I know the two dates that I need to know, how do I find out 
what changed between them (keep in mind that I don't want to do a cvs 
diff on each and every file by hand, the directory structure the cvs 
gives me is large and convoluted)?

Thanks,
- Steve


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