Generated files in Git

Joel Sherrill joel.sherrill at
Wed May 16 13:54:59 UTC 2012

On 05/16/2012 08:49 AM, Ralf Corsepius wrote:
> 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.
Any particular reason you haven't proposed adding a set
of files to git if this is the case?

We just had a thread about the problems of switching
branches and bootstrapping and this was not brought up.
> Ralf

Joel Sherrill, Ph.D.             Director of Research&   Development
joel.sherrill at        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
     Support Available             (256) 722-9985

More information about the devel mailing list