On 30/08/2014, at 11:24 AM, Martin DeMello wrote:
> But compiled felix libraries are indistinguishable from c++ libraries, right?
Yes, with extern "C" entry points.
> In which case, why does felix need a systemwide language package manager?
For the Felix library code. For example suppose I want to install
a binding for GMP, or SDL. Where do I put it?
Underneath these are binary libraries and C header files,
but the binding code itself is Felix.
And at the moment quite a lot of code is pure Felix.
> Let $HOME/.felix be the *only* supported place to install libraries into.
Srean can't do that. His "home" account on university computer is
tiny. (though he could use a link).
> What I'm saying is ruthlessly strip away unneeded features and concentrate on
> providing a really good experience for a single developer doing everything as
> user, in a single $HOME directory or mac/windows equivalent. This is, after
> all, felix's primary audience.
Yes, but not one with any money :-)
So I need to consider enterprise wide deployment strategy too.
>
> Anecdotally, I had some free time over the last couple of days and I thought
> I'd contribute by adding a much-needed examples/ directory to the felix repo,
> but in two evenings of trying, I've still not been able to get past
>
> $ flx
> Cache may be out of date due to grammar upgrade!
> Grammar time stamp =1409204024.000
> Automaton.syntax time stamp =BIG BANG
> Delete cache /home/mdemello/.felix/cache/text
> Delete cache /home/mdemello/.felix/cache/binary
>
> and flx --test=build/release does get past that, but rebuilds the stdlib
> every time.
This will happen if you ran
sudo make install
on the old build system. root ends up owning the cache.
> From the diagnostics, it successfully writes out
>
> /home/mdemello/.felix/cache/binary/home/mdemello/code/felix/build/release/share/lib/grammar/grammar.files/syntax.automaton
>
> every run, but then cannot read it back the next run:
>
> Can't load automaton
> '/home/mdemello/.felix/cache/binary/home/mdemello/code/felix/build/release/share/lib/grammar/grammar.files/syntax.automaton'from
> disk: building!
>
> This is simply not a good user experience, nor an encouragement to contribute
> if every time I try to write some code I end up wrestling with the ecosystem
> instead.
Of course not, but it shouldn't happen. so I guess your user account doesn't
have
permission to write the file: can you check if it is actually there?
> I think felix is trying to do too many things with too limited a supply of
> manpower.
Indeed. More man power is needed :-)
> I'd suggest at least looking seriously at picking on an existing
> cross-platform package management system, and modifying felix's
> library/include search mechanism to interoperate with it.
I'm not aware of any :-)
but the issue at the moment is simpler: to actually ALLOW the user to configure
their
search paths. At the moment they can't always do that. That's what I'm trying to
enable at the moment.
--
john skaller
[email protected]
http://felix-lang.org
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