Re: Question about splitting debug information

I'm actually working on this right now, and have something that is pretty
much working. Hopefully lands in the MongoDB master tree this week and I'll
follow up with a link.

Thanks,
Andrew



On Wed, Oct 24, 2018 at 4:48 AM Martin Ritter <[email protected]> wrote:

> Hi,
>
> I have a question regarding splitting debug information from binaries
> and libraries with SCons: What we want to do is to split the debug
> information from libraries and executables and put them into separate
> files following
> https://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
>
> So we wrote a simple builder which does just that:
>
> strip_debug = Builder(
>      action='objcopy --only-keep-debug $SOURCE $TARGET && '
>      'strip --strip-debug --strip-unneeded $SOURCE && '
>      'objcopy --add-gnu-debuglink=$TARGET $SOURCE',
>      suffix='.debug', prefix=".debug/")
>
> but obviously this modifies the original $SOURCE. So when running scons
> again it will notice that the libraries are not up to date and relink them.
>
> One solution is to first link the library into the build directory and
> then copy and strip the files to their final destination. But I was
> wondering if there is a way to do this without a temporary copy of the
> binaries (which is quite some disk space in our project)
>
> Best Regards,
>
> Martin
>
>
> --
> Dr. Martin Ritter
>
> LMU München, Excellence Cluster Universe
> Boltzmannstrasse 2, 85748 Garching
>
> Tel: (+49) 89 35831-7152
> Fax: (+49) 89 3299-4002
>
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