On Mon, Dec 01, 2014 at 10:50:52PM +0000, Damien Hunter wrote:
> Hello All,
>
> I'll cut straight to it, after a quick introduction. I'm a Developer
> specializing in C, C++, Perl, Bash and Python. My OS of choice for
> personal use is Mint, but I work with RHEL v6 and HP-UX 11, and not by
> choice.
>
> I have never contributed to a Linux project of any kind, but I want
> to. I've used OpenSuse Studio to put together a few packages, but
> that's childs play, some thing a trained monkey could do. So I will be
> putting together a few modules when I can and have been looking into
> LFS as a guide.
>
> So the real question is, when and where do we begin? How will the work

Matteo Panella just asked for someone who knows Perl to at least
give an overview of how abi-dumper works; this is the current blocking
issue.

Quoting him:
>> I'm trying to get an ABI dump of libudev/libgudev as built
>> in the main Debian archive to ensure that the version built using eudev
>> will be ABI-compatible with it.
>>
>> The reason is simple: avoid rebuilding every rdep of udev unless it's
>> strictly necessary.

>> Now for the nasty part: systemd's build system forces Link-Time
>> Optimization on its ELF files, and this confuses abi-dumper to the point
>> that it believes that eu-readelf found no symbol table nor DWARF
>> sections (which isn't true, since everything is built with -g and the
>> libraries have the proper .gnu_debuglink section header).
>>
>> This is where I need help from Perl wizards: abi-dumper is a big lump of
>> Perl, and saying that I hate Perl is an understatement :-)
>>
>> I'm not asking to fix it for me (even though that would be appreciated
>> *wink* *wink*), but I humbly ask for an high level overview of how it
>> uses eu-readelf, vtable-dumper et al. to produce an ABI profile for the
>> shared object, so I can try to understand what part of LTO is confusing it.
>>
>> You can use libudev.so.1.5.0 as your test case, just make sure to
>> install systemd-dbg (otherwise it would rightfully complain that
>> debugging symbols are missing).


> be divided out? Will there be a Git, where we can fork and merge

See https://github.com/devuan

Hope this helps,
Isaac Dunham