Generated files in Git

Ralf Corsepius ralf.corsepius at
Wed May 16 13:49:26 UTC 2012

On 05/16/2012 03:41 PM, Joel Sherrill wrote:
> On 05/16/2012 08:33 AM, Ralf Corsepius wrote:
>> On 05/16/2012 12:35 PM, Sebastian Huber wrote:
>>> Hello,
>>> we have found some files that are generated during build, and thus
>>> should not be under configuration management (CM).
>>> If you put the RTEMS source tree under CM with for example Rational
>>> Synergy, then this leads to problems.
>>> So, when trying to build from a Rational Synergy work area, which by
>>> default is
>>> write protected, we get some errors. There are .c files, that are
>>> generated by
>>> running sed on a .in file, but that fails because the generated files
>>> were in
>>> the original Git repository, and thus migrated into Synergy. Actually
>>> only the
>>> and the .in should be under CM.
>>> As you know, there are two flavours of CM systems, CVS style
>>> (modify-commit)
>>> and RCS style (lock-modify-commit). Synergy is “RCS style”, while 
>>> Git is
>>> CVS
>>> style. That is why we have bigger problems with this inconsistency.
>>> The “wrong” files are
>>> - 3 .c files in rtems/testsuites/libtests/complex/
>>> - 1 .c file in rtems/testsuites/libtests/math/
>>> - 1 .c file in rtems/testsuites/libtests/mathf/
>>> - 1 .c file in rtems/testsuites/libtests/mathl/
>>> Also, the Makefile does not clean the generated files on “make 
>>> distclean”.
>>> How to fix this? Remove the generated files from Git and add a 
>>> distclean
>>> hook?
>> Definitely no. Similar to Makefile.ins,, rpcgen-generted
>> files, files are generated sources and should be part of the VCS.
>'s are not part of the RTEMS git repository. Are you
> saying that they should be Ralf?
Correct. They are generated sources and should be part of the VCS.

Like any other generated sources, they are supposed to be only 
updated/modified, when their sources change.


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