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Re: Failure building with libgccjit under MacOS Monterey

From: Alan Third
Subject: Re: Failure building with libgccjit under MacOS Monterey
Date: Mon, 8 Nov 2021 20:16:32 +0000

On Sun, Nov 07, 2021 at 04:46:21PM -0500, Perry E. Metzger wrote:
> Howdy! I suspect this is a mistake I'm making somewhere, but I'd like a hint
> on where to look to fix it. When building the Emacs 28 branch on the latest
> MacOS, I unexpectedly get a failure:
>   configure: error: The installed libgccjit failed to compile and run a test
> program using
>   the libgccjit library; see config.log for the details of the failure.
> Looking at the config.log says (I think this is the key line):
>   ld: library not found for -lSystem
> A few weeks ago I was building JIT versions of Emacs just fine with the same
> configuration; updating the OS might or might not have been the big change.
> Any ideas what I might need to fix?

How have you installed libgccjit?

It might be helpful to give a little more context around the error. Is
there a complete command that it's trying to run?
Alan Third

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