[petsc-dev] Sean is going to love this

Sean Farley sean.michael.farley at gmail.com
Sun Jan 4 20:34:13 CST 2015


Jed Brown writes:

> Sean Farley <sean.michael.farley at gmail.com> writes:
>> The only problem with using non-system compilers is with C++ because
>> clang++ is not ABI compatible with g++. You could use gcc just fine if
>> there was something to enforce the induced dependency graph.
>
> Uh, isn't this libc++ vs libstdc++ rather than clang++ vs g++?  Note
> that merely mixing -std=c++11 code with a single compiler can be a
> problem.  C++ repeatedly chooses language features that make binary
> compatibility difficult.

Yes, a slip on my part. I meant libc++ vs libstdc++ not being ABI
compatible.

>> Nope, nope, nope, nope. Using multiple package managers, including
>> the broken python ones is a suggestion that is dead on arrival. I sure
>> as shit don't want to remember the different commands to search for a
>> package with multiple managers (Python, Ruby, node, etc.). Plus, it
>> doesn't solve the issue with packages that depend on other packages not
>> in its system.
>
> I agree with Sean that mixing package managers is a mess.  Maybe if I
> lived in a self-contained Python-only world, but I don't.  I want to be
> able to reliably install (and upgrade, remove, query) a package that
> depends on any subset of packages.  That could mean mixing Python,
> Haskell, R, and Emacs packages.

Exactly.



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