Re: ./configure --with-native-compilation on macos (11.5.2 Big Sur)

[Alan Third <alan@idiocy.org>]

On Tue, Sep 14, 2021 at 07:04:30AM +0900, Jean-Christophe Helary wrote:
> 
> 
> > On Sep 14, 2021, at 3:42, Alan Third <alan@idiocy.org> wrote:
> > 
> > On Mon, Sep 13, 2021 at 07:19:57PM +0100, Alan Third wrote:
> >> Here's the real error:
> >> 
> >> configure:16948: ./conftest
> >> ld: library not found for -lgcc_ext.10.5
> >> libgccjit.so: error: error invoking gcc driver
> >> 
> >> I have no idea what gcc_ext.10.5 is about. That's not part of the
> >> Homebrew libgccjit install, but it does appear to be part of gcc.
> >> Perhaps you need to install Homebrew's gcc as well? But surely it's a
> >> dependency...?
> 
> It looks like an old issue:
> 
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48815
> 
> But I don't know what to make of that. Sorry.

Me neither.

> > Actually, it occurs to me that you said the problems occur when you
> > install llvm under Macports... I don't know how this stuff all ties
> > together, so is it possible that installing llvm is changing your
> > environment in some way that breaks the gcc install from brew?
> 
> I don't have gcc on brew.

Try installing gcc in brew. It doesn't break anything as clang will
still be the default.
-- 
Alan Third