Re: Dependencies for native compiling emacs not found

[Thierry Volpiatto]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Thierry Volpiatto <thievol@posteo.net>
>> Cc: emacs-devel@gnu.org
>> Date: Thu, 23 Dec 2021 19:36:38 +0000
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> >> From: Thierry Volpiatto <thievol@posteo.net>
>> >> Cc: emacs-devel@gnu.org
>> >> Date: Thu, 23 Dec 2021 18:27:08 +0000
>> >> 
>> >> Ok, installing libgccjit-9-dev like Andreas suggested worked, so IIUC we
>> >> need a libgccjit version compatible with the gcc installed
>> >> e.g. libgccjit-10 with gcc-10 right?
>> >
>> > Right.
>> 
>> Ok, thanks to confirm.
>
> Just FTR: note that "compatible with" in this case doesn't necessarily
> mean "of the same GCC version".  For example, people who build on
> macOS use Clang for building Emacs, but can still install libgccjit
> for native-compilation.
>
> I believe the actual problem in your case was that GCC 9 couldn't find
> libgccjit from GCC 10, because it was looking in the wrong
> subdirectory of /usr/lib/x86_64-linux-gnu/, since (AFAIU) libgccjit is
> installed into a versioned subdirectory of that directory, and GCC
> looks for it in the subdirectory that matches its version.

Ah ok thanks for clarification, but I think for the end user like me it
is better keeping up with same version of gcc/libgccjit to avoid
complications to specify paths.

-- 
Thierry

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