GNU bug report logs - #41246
freehdl fails to build

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: tsmish <tsymsh <at> gmail.com>
Subject: bug#41246: closed (Re: bug#41246: freehdl fails to build)
Date: Wed, 13 May 2020 22:25:03 +0000

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Your bug report

#41246: freehdl fails to build

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 41246 <at> debbugs.gnu.org.

-- 
41246: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41246
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Marius Bakke <mbakke <at> fastmail.com>
To: tsmish <tsymsh <at> gmail.com>, 41246-done <at> debbugs.gnu.org
Subject: Re: bug#41246: freehdl fails to build
Date: Thu, 14 May 2020 00:23:52 +0200

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tsmish <tsymsh <at> gmail.com> writes:

> Attaching build log.
> commit: 8ba4d8a347fbdf9fe09e8ac801b4ac0586ac382a

Thanks!

> /gnu/store/6wn346cbw1mh6264v426pwj2klgvxr0z-gcc-5.5.0/include/c++/cstdlib:266:22: error: ‘__gnu_cxx::strtold’ has not been declared
>    using ::__gnu_cxx::strtold;
>                       ^
> In file included from fire-types.cc:9:0:
> /gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++/stdlib.h:38:12: error: ‘std::abort’ has not been declared
>  using std::abort;

Using multiple versions of GCC in the same package is poorly supported
since the recent 'core-updates' merge, causing these obscure errors.

The actual problem with FreeHDL is that it assumes std::string,
std::hash, etc is available in the default namespace, which is why it
was built with GCC 5 instead of the default GCC 7.  I found a patch over
at Arch that makes it work with newer versions of GCC and C++:

https://git.archlinux.org/svntogit/community.git/tree/trunk/build-fix.patch?h=packages/freehdl

I applied it to our package with commit
1a044e3936ac4c1ba1575fe791bf59577b039cf9 and removed the GCC 5 input.

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From: tsmish <tsymsh <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: freehdl fails to build
Date: Thu, 14 May 2020 01:00:02 +0300

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Attaching build log.
commit: 8ba4d8a347fbdf9fe09e8ac801b4ac0586ac382a

[freehdl-buildlog.txt (text/plain, attachment)]

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