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Sync to upstream SVF: LLVM 21.1.0, drop deadsnakes PPA#61

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bjjwwang merged 1 commit intoSVF-tools:mainfrom
bjjwwang:sync/llvm-21-no-deadsnakes
May 2, 2026
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Sync to upstream SVF: LLVM 21.1.0, drop deadsnakes PPA#61
bjjwwang merged 1 commit intoSVF-tools:mainfrom
bjjwwang:sync/llvm-21-no-deadsnakes

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@bjjwwang bjjwwang commented May 2, 2026

Match the upstream SVF/build.sh pin (MajorLLVMVer=21) and remove the ppa:deadsnakes/ppa python3.10 install path. Launchpad's PPA infrastructure has been intermittently unreachable from CI runners (HTTP 504 from add-apt-repository), and SVF does not pin a Python version, so the Ubuntu base-image python3 (24.04 = 3.12) is sufficient.

Match the upstream SVF/build.sh pin (MajorLLVMVer=21) and remove the
ppa:deadsnakes/ppa python3.10 install path. Launchpad's PPA infrastructure
has been intermittently unreachable from CI runners (HTTP 504 from
add-apt-repository), and SVF does not pin a Python version, so the
Ubuntu base-image python3 (24.04 = 3.12) is sufficient.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@bjjwwang bjjwwang merged commit defba7a into SVF-tools:main May 2, 2026
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