dependency lookup failures

[Vincent Danen]

I just saw something interesting:

[vdanen at build ~]$ apt-get build-dep subversion-1.4.3-7277avx.src.rpm 
Reading Package Lists... Done
Building Dependency Tree... Done
Selecting lib64python2.4-devel for 'python-devel'
E: Build-Depends dependency for subversion-1.4.3-7277avx.src.rpm cannot be satisfied because no available versions of package neon-devel can satisfy version requirements
[vdanen at build ~]$ apt-get install neon-devel
Reading Package Lists... Done
Building Dependency Tree... Done
Selecting lib64neon0.24-devel for 'neon-devel'
The following NEW packages will be installed:
  lib64neon0.24-devel
0 upgraded, 1 newly installed, 0 removed and 0 not upgraded.
Need to get 76.5kB of archives.
After unpacking 130kB of additional disk space will be used.
Get:1 ftp://build.annvix.ca x86_64/current lib64neon0.24-devel 0.24.7-6638avx [76.5kB]
Fetched 76.5kB in 0s (2224kB/s)       
Committing changes...
Preparing...                ########################################### [100%]
   1:lib64neon0.24-devel    ########################################### [100%]
Done.



Why is this happening?  Obviously apt-get is smart enough when called by
"install" to know what package to install, but not when called by
"build-dep".  Is there a reason for this?  It doesn't happen often, but
I've noticed it once or twice.

-- 
Vincent Danen @ http://linsec.ca/
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