docs: document glibc >= 2.34 prerequisite (fixes #28)#86
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Issue #28: `lake build` on Ubuntu 20.04 (glibc 2.31) aborts with .../bin/cadical: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found `cadical` is the SAT solver bundled with the Lean 4.28 toolchain (used by `bv_decide` / `omega`); it's linked against glibc 2.34, so anything older can't load it. This is a Lean-toolchain requirement, not something Sparkle can fix in code — but the README Quick Start and Tutorial Prerequisites didn't mention any minimum OS/glibc, so a 20.04 user hit the error with no guidance. Add a prerequisite note to both (glibc >= 2.34 → Ubuntu 22.04+ / Debian 12+ / Fedora 35+ / macOS / WSL2, or use Docker), reproducing the exact error string so it's greppable.
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Closes #28.
lake buildon Ubuntu 20.04 (glibc 2.31) aborts with:cadicalis the SAT solver bundled with the Lean 4.28toolchain (used by
bv_decide/omega), linked againstglibc 2.34 — so anything older can't load it. This is a
Lean-toolchain requirement, not a Sparkle bug (nothing in
Sparkle's own code can change it).
But the README Quick Start and
docs/Tutorial.mdPrerequisiteslisted no minimum OS/glibc, so a 20.04 user hit the error with
zero guidance. This adds a prerequisite note to both:
macOS / WSL2, or use the Docker path.
next person who searches for it.
No code change — docs only.