ΕΕΛΛΑΚ - Λίστες Ταχυδρομείου

Re: GSoC Build Recorder

Alright!

This is absolutely do-able, once again using bison / flex for the CLI or
something similar.

I expected that I'd need to use C or C++ for said project but the way you
describe it makes it seem that I could code it in anything, even in a
scripting language such as bash.

Whatever is best and simplest , I'll do (ποιον κοροϊδεύω; C++).

Thanks for answering my questions, I will now rush to put together a
structured proposal so I can submit it by tomorrow GMT+03 12:00 military
time and give whoever will be reviewing it time.

One final question, in the proposal template it says i should state

IRC nickname on #sugar

The point is I don't own an account, should I absolutely get one? And
if yes, where do I register?

Thanks for your help once again!

Φώτης


Στις Δευ 18 Απρ 2022 στις 9:17 μ.μ., ο/η Alexios Zavras <zvr+eellak [ at ] zvr [ dot ] gr>
έγραψε:

> For some of us, the "ancient header file system"
> is still the clearer way of getting dependencies :-D.
> Feel free to try to tackle the dependency system
> of other ecosystems (go, rust, java, ...) to really find out
> how the situation can get much worse.
>
> Trying to determine which headers are being included
> will, once again, force you to implement almost all
> of the C preprocessor (as was the case with make before).
>
>  Valid approach would be to have
> $ build-monitor gcc -o foo foo.c
> actually execute the command and watch is actually being used
> by the original gcc executable, similar to what strace does.
>
>
> On Mon, Apr 18, 2022, at 15:59, Φώτης Βαλασιάδης wrote:
> > Hi again.
> >
> > Indeed such a project would better fit inside make's source itself, but
> > i guess something like this would be silly considering you need to know
> > all the stuff we are trying to collect in order to write a makefile.
> > Then again C and C++ 's ancient header file system is also an issue. We
> > can only dream of a day where modules arrive and we won't have to deal
> > with header files including order.
> >
> > I think we will have to *sed* every single translation unit to find all
> > the headers. Which is also something that could be easily coded inside
> > a preprocessor.
> >
> > Now I am unfamiliar with monitoring processes. I don't find it hard to
> > understand how they work or might be implemented but I've never seen
> > one. Isn't this specific for each operating system though?
> >
> > Can you give me a small demo about how it would work?
> >
> > I am currently thinking of something like:
> > $> project gcc -library source.c -oa.out
> >
> > Where project is the name of the program and the rest is the command.
> > But this doesn't seem helpful at all considering how no project
> > actually uses the compiler manually, and instead uses build systems.
> >
> > Which leads to idea number 2:
> > A background process which periodically looks for gcc/clang/msvc/etc
> > processes and fetches said statistics.
> >
> > I could go on and on about ways which this could be implemented, but
> > I'd rather hear your version so I can google my way towards
> > enlightenment 1 and half a day before the proposals deadline.
> >
> > Looking forward to it
> > Φώτης
> >
> > Στις Δευ 18 Απρ 2022 στις 4:17 μ.μ., ο/η Alexios Zavras
> > <zvr+eellak [ at ] zvr [ dot ] gr <mailto:zvr%2Beellak [ at ] zvr [ dot ] gr>> έγραψε:
> >> Thanks for your interest!
> >>
> >> I think a separate program that monitors some build process(es)
> >> is the most realistic approach.
> >> In order to implement analysis of build-command files
> >> (e.g., Makefiles) you would have to implement a substantial
> >> part of the underlying tool (e.g., make), which might not be
> >> such an easy task.
> >>
> >> An additional step would also be the details for the running
> >> build command itself: I mean, make only knows up to the point of:
> >> cc -o foo foo.c
> >> It does not (and can not) know to record that "this set of files
> >> were used in the compilation" (e.g., header files).
> >>
> >> On Mon, Apr 18, 2022, at 13:26, Φώτης Βαλασιάδης wrote:
> >> > Hello again!
> >> >
> >> > I'd be interested in implementing the Build recorder idea. But I need
> >> > some clarifications before I submit my proposal.
> >> >
> >> > What are the expected results? Are you thinking of a CLI or a tool
> that
> >> > reads build configuration files such as CMake files or Make files?
> >> >
> >> > To be honest I was surprised to see that CMake doesn't offer an
> option
> >> > to provide info about all compilation units, header files and
> libraries
> >> > used.
> >> >
> >> > Would such a program that analyzes a make file be enough for GSoC? Or
> >> > are you thinking of a project that supports many build configuration
> >> > files such as ninja et cetera?
> >> >
> >> > TL;DR: Would a project that analyzes make files and fetches which
> >> > libraries( linked or static ), compilation units  , compiler,
> compiler
> >> > options and executable it produces suffice?
> >> >
> >> > finally do you have any ideas of your own about how this would be
> >> > implemented? I am thinking of writing a scanner/parser using Flex and
> >> > Bison but I'd be open to other ideas and I'll even consider reading
> >> > make's source to see how they handle make files.
> >> >
> >> > Thank you for your time
> >> > Φώτης
> >> >
> >> > ----
> >> > Λαμβάνετε αυτό το μήνυμα απο την λίστα: Λίστα αλληλογραφίας και
> >> > συζητήσεων που απευθύνεται σε φοιτητές developers \& mentors έργων
> του
> >> > Google Summer of Code - A discussion list for student developers and
> >> > mentors of Google Summer of Code projects.,
> >> > https://lists.ellak.gr/gsoc-developers/listinfo.html
> >> > Μπορείτε να απεγγραφείτε από τη λίστα στέλνοντας κενό μήνυμα ηλ.
> >> > ταχυδρομείου στη διεύθυνση <gsoc-developers+unsubscribe [ at ] ellak [ dot ] gr
> <mailto:gsoc-developers%2Bunsubscribe [ at ] ellak [ dot ] gr>
> >> > <mailto:gsoc-developers%2Bunsubscribe [ at ] ellak [ dot ] gr <mailto:
> gsoc-developers%252Bunsubscribe [ at ] ellak [ dot ] gr>>>.
> >>
> >> --
> >> -- zvr -
>
> --
> -- zvr -
>
----
Λαμβάνετε αυτό το μήνυμα απο την λίστα: Λίστα αλληλογραφίας και συζητήσεων που απευθύνεται σε φοιτητές developers \& mentors έργων του Google Summer of Code - A discussion list for student developers and mentors of Google Summer of Code projects.,
https://lists.ellak.gr/gsoc-developers/listinfo.html
Μπορείτε να απεγγραφείτε από τη λίστα στέλνοντας κενό μήνυμα ηλ. ταχυδρομείου στη διεύθυνση <gsoc-developers+unsubscribe [ at ] ellak [ dot ] gr>.

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