GNU bug report logs - #47783
28.0.50; [feature/native-comp] libgccjit.so: error: error invoking gcc driver

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From: Pankaj Jangid <pankaj <at> codeisgreat.org>
To: 47783 <at> debbugs.gnu.org
Subject: bug#47783: 28.0.50; [feature/native-comp] libgccjit.so: error: error invoking gcc driver
Date: Thu, 15 Apr 2021 19:36:10 +0530

Andrea Corallo via "Bug reports for GNU Emacs, the Swiss army knife of
text editors" <bug-gnu-emacs <at> gnu.org> writes:

>> I am on macos and after launching Emacs, I get this libgccjit
>> error. Is this something that I can ignore for now?
>>
>> Warning (comp): libgccjit.so: error: error invoking gcc driver Disable showing Disable logging
>> Warning (comp):
>> /Users/pankaj/Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/cl-lib.el.gz:
>> Error: Internal native compiler error failed to compile Disable
>> showing Disable logging
>
> this look like an env misconfiguration that prevents libgccjit for
> finding the driver.
>
> Could you please report the full error in the
> *Async-native-compile-log* buffer?
>
> Also have already you tried invoking "emacs -Q"?

I usually launch ‘Emacs.app’ from GUI (Launchpad on macos). But when I
have to pass argument e.g. ‘-Q’ I use command-line. After your above
message I tried ‘emacs -Q’ and it worked without any error.

And you are right, it was environment related problem. Following is the
snippet from ‘*Async-native-compile-log*’:

--8<---------------cut here---------------start------------->8---
Compiling /Users/pankaj/Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/cl-lib.el.gz...
uncompressing cl-lib.el.gz...
uncompressing cl-lib.el.gz...done
ld: library not found for -lgcc_ext.10.5
libgccjit.so: error: error invoking gcc driver
/Users/pankaj/Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/cl-lib.el.gz: Error: Internal native compiler error failed to compile
Compiling /Users/pankaj/Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/seq.el.gz...
uncompressing seq.el.gz...
uncompressing seq.el.gz...done
--8<---------------cut here---------------end--------------->8---

But now I am puzzled at one more thing. Now I am not getting the error
even when I start from GUI. Does it save the location of ‘libgccjit’
somewhere, once it is found?

--
Regards
Pankaj

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