bug#45654: Building guile on x86_64 for aarch64 fails because of a missing guile

[Efraim Flashner <efraim@flashner.co.il>]

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On Mon, Jan 04, 2021 at 07:08:24PM +0100, Stefan wrote:
> Hi!
> 
> > Then I thought to try to download the referred but missing guile:
> > 
> > stefan@guix ~$ guix download https://ci.guix.gnu.org/nar/lzip/x3gq648qnfnla7nppyfjvj62s2i8y7rl-guile-3.0.2
> > Starting download of /tmp/guix-file.q3Qwo3
> > From https://ci.guix.gnu.org/nar/lzip/x3gq648qnfnla7nppyfjvj62s2i8y7rl-guile-3.0.2...
> > …62s2i8y7rl-guile-3.0.2  6.8MiB                                                                            5.6MiB/s 00:01 [##################] 100.0%
> > /gnu/store/5aq0m64wlh6mhi6g61z13asdnv8dmq3k-x3gq648qnfnla7nppyfjvj62s2i8y7rl-guile-3.0.2
> > 159d8i1yp0ksh7c9fib2ki7pljjhszk6l3bs9xibnx0kjh78rvli
> > 
> > Afterwards building guix for aarch64 was possible.
> 
> I was too optimistic with this, I didn't wait for the result before sending the e-mail.
> 
> Well, the rebuild failed again, as the freshly downloaded guile is not part of the build environment. So the same error happened again:
> 
> while setting up the build environment: executing `/gnu/store/x3gq648qnfnla7nppyfjvj62s2i8y7rl-guile-3.0.2/bin/guile': No such file or directory
> builder for `/gnu/store/qa15xk65hfx8vhwbnff62iy6g8q9d764-guile-3.0.2.drv' failed with exit code 1
> 
> This becomes a blocker now:
> 
>  • There is no substitute of guix@1.2.0-8.7624ebb for aarch64.
>  • Due to <https://issues.guix.gnu.org/41654> building locally an aarch64 is not possible for me.
>  • Due to ‘guix system’ not supporting ‘--without-test’ I can’t avoid that error when reconfiguring.
>  • Due to this error with a missing guile even building on x86_64 is impossible.
>  • Cross-building on x86_64 is possible but creates a derivation with a different hash. So it will not satisfy the need for a ‘guix system reconfigure’ on aarch64.
> 

I just came across this today myself. try 'sudo herd restart
guix-daemon'. It's what made it suddenly start working for me (I
reconfigured to add qemu-binfmt service without restarting).

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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