Re: Upgrading gcc

On 2026-08-03, jayjwa <[email protected]> wrote:

> Charlie Gibbs <[email protected]> writes:
>
>> I'm currently helping a friend upgrade his copy of Darktable.
>> The latest snag is that the build process wants GCC 12, while
>> his machine, running Mint 21, only has GCC 11.  After scanning
>> the web for advice, I've tried to upgrade the compiler.  At
>> best I got to where typing "gcc --version" on the command line
>> reports version 12, but Darktable's build.sh still managed to
>> find (and reject) the old GCC 11.  Any ideas, short of doing
>> a dist-upgrade to Mint 22?
>
> The build system should ask which compiler to use. You can set it either
> via envars (like CC), switches to the build system, or by editing the
> build system files (like Makefile). If it's Cmake, there's a 'ccmake'
> something something (read the manual for it). You could install, for
> example, /opt/gcc-15/bin and then tell it /opt/gcc-15/bin/gcc for the
> compiler.
>
> You might also try temporarily hiding your system compiler, but that's
> kind of hacky.
>
> You sure this won't work? https://github.com/darktable-org/darktable/releases/download/release-5.6.0/Darktable-5.6.0-x86_64.AppImage

No, my buddy has a camera that's new enough that the stock release
can't handle its raw format.  We've found and built a modified
libraw.a that works, but we have to fold it into the sources
and re-build it.

-- 
/~\  Charlie Gibbs                  |  In this world there are
\ /  <[email protected]>      |  two kinds of people:
 X   I'm really at ac.dekanfrus     |  1. Those who can extrapolate
/ \  if you read it the right way.  |  from incomplete data.