[Issue 15391] Problems loading libcurl.so and running datetime unittest on NixOS package build

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15391

Martin Nowak <code at dawg.eu> changed:

           What    |Removed                     |Added
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                 CC|                            |code at dawg.eu

--- Comment #5 from Martin Nowak <code at dawg.eu> ---
(In reply to Thomas Mader from comment #3)
> I was able to hack around the issue by patching the curl.d sourcefile.
> 
>       #Ugly hack so the dlopen call has a chance to succeed.
>       substituteInPlace src/phobos/std/net/curl.d --replace libcurl.so
> ${curl}/lib/libcurl.so
> 
> 
> That's in the package description for the dmd package on NixOS. That's
> necessary because in NixOS every package is stored in isolation to
> everything else.
> So libcurl on my system resides in
> /nix/store/v5a69m1b823zm1yy8yvhrd2zi2w385b1-curl-7.44.0/lib/libcurl.so.

Maybe try to  LD_LIBRARY_PATH instead?
As mentioned here https://dlang.org/changelog/2.069.0.html#curl-dynamic-loading
you can also link against libcurl (make sure to use no-as-needed), then the
symbols will get loaded from your executable.

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