bug#47228: Check binary consistency after grafting with e.g. ldd

[Léo Le Bouter]

Hello!

We had an issue after grafting ImageMagick fixed by <
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=2e0ff59f0cd836b156f1ef2e78791d864ce3cfcd
>.

Basically Inkscape did not work because ImageMagick's soname had been
bumped (probably for forward compat?):

/gnu/store/g75q5v1gqi4x08qcf1ydfl9xhp4slmxy-inkscape-
1.0.2/bin/.inkscape-real: error while loading shared libraries:
libMagickCore-6.Q16.so.6: cannot open shared object file: No such file
or directory

It seems technically possible to automatically check for this kind of
breakage, therefore I suggest we run ldd (might actually run code from
the binary) or objdump -x (pure static analysis), so after grafting we
could check that every binary can load all it's dependents declared in
the ELF headers successfully and report errors if not?

What do you think?

Léo

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