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bug#41246: freehdl fails to build
From: |
Marius Bakke |
Subject: |
bug#41246: freehdl fails to build |
Date: |
Thu, 14 May 2020 00:23:52 +0200 |
User-agent: |
Notmuch/0.29.3 (https://notmuchmail.org) Emacs/26.3 (x86_64-pc-linux-gnu) |
tsmish <address@hidden> 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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