Re: Status update+patches:Re: I managed to build guix natively on Debian GNU/Hurd , what's next?

[Svante Signell]

On Tue, 2019-09-03 at 23:26 +0200, Ricardo Wurmus wrote:
> 
> What are the contents of /gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-
> bootstrap-binaries-0/bin/tar?

Something strange:

# ls -l  /gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-
0/bin/tar
-r-xr-xr-x 2 root root 445560 Jan  1  1970
/gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-0/bin/tar

# file /gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-0/bin/tar
/gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-0/bin/tar: ELF
64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked,
interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0,
BuildID[sha1]=6664753ff93e3b42aa8681d7fe0f7f9e5259c54f, stripped

# ldd /gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-0/bin/tar
        not a dynamic executable

# /gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-0/bin/tar
-bash: 
/gnu/store/alzim8hg6zqvs9s33frh7m9z211lryk3-bootstrap-binaries-0/bin/tar: 
cannot execute binary file: Exec format error

> > The main problem seem to be the cross-built binaries. Would it be possible
> > to build these static binaries natively, maybe even using guix or in som
> > other way??
> 
> We should figure out what’s wrong with them and then adjust the way
> these binaries are built.  It would not be useful to take binaries from
> elsewhere because we want to be able to reproduce the build automatically.

Again, can we build them natively on Hurd for testing purposes, either using
native guix or not or cross-compiling from Linux with or without guix?