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Re: Installing clang alongside GCC on NetBSD 9

On 2020-03-08 07:02, Terminator Override wrote:
Dear Group

I am new to NetBSD.

Is it possible to have both GCC and Clang configured to work at the same time, and also for the pkgsrc system to be configured to use either of them at will?


Certainly.  You can also install multiple GCC versions simultaneously.

Individual packages can be easily modified to select any compiler, but you have to be careful about which tool chains you mix due to ABI differences, especially with C++.

The "base" compiler used to bootstrap pkgsrc is pretty much cast in stone for that tree.  You would have to go through some contortions to change it and then likely rebuild all your packages to avoid ABI incompatibilities.

However, you can install multiple pkgsrc trees under different directories, each using a different compiler.

See auto-pkgsrc-setup for an easy way to do this:

If you want to learn the details of the process, study the script instead of running it.  There are a lot of pitfalls and the script has evolved to address most of them over the years.


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