guix: use `--load-path` for local modules #36531

1. 
   fanquake commented at 1:19 AM on October 15, 2026: member

   Rather than exporting via GUIX_PACKAGE_PATH.

   Fixes #36530.

2. guix: use --load-path for local modules

   Rather than exporting via `GUIX_PACKAGE_PATH`.

   48eed2fc27
3. DrahtBot added the label Build system on Oct 15, 2026
4. 
   DrahtBot commented at 1:19 AM on October 15, 2026: contributor

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   • Code coverage & benchmarks: https://corecheck.dev/bitcoin/bitcoin/pulls/36531
   • Ralph review <img src=https://review.fish.foo/assets/bitcoin/bitcoin/36531.png alt="Ralph review status"> https://git.fish.foo/bitcoin/bitcoin/pulls/36531#author-ralph

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5. fanquake marked this as ready for review on Oct 16, 2026
6. fanquake added the label DrahtBot Guix build requested on Oct 16, 2026
7. 
   fanquake commented at 5:53 AM on October 16, 2026: member

   Guix Build:

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8. fanquake requested review from willcl-ark on Oct 16, 2026

Review Requested
willcl-ark