Re: GMP GCC C++ Hurd cross-build failure on core-updates

[Svante Signell]

On Thu, 2022-12-15 at 12:17 +0100, Svante Signell wrote:
> 
> Hi,
> 
> The problem is probably that you need to add --enable-add-ons=libpthread to
> configure when building first version of cross-glibc. This is to obtain weak
> references when building libcstd++ of cross-gcc:
> 
> nm --dynamic /cross-tools/lib/libstdc++.so.6.0.30|grep pthread
> ...
> w __pthread_key_create
> w pthread_key_create
> w pthread_key_delete

I've been looking into this problem a little further: You need the attached
patch: libstdc++-hurd.diff, at least for gcc-11 and gcc-12 (and probably gcc-13
too)


Good luck!

libstdc++-hurd.diff
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