[CI][Docker] Install libpolly-15-dev for noble llvm-15 static linking#19913
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apache#19893 switched the LLVM install from apt.llvm.org to noble's own repos. Unlike apt.llvm.org, noble splits Polly's static libs into a per-version libpolly-<N>-dev package. The install list added libpolly-16-dev and libpolly-17-dev but not libpolly-15-dev, so `llvm-config-15 --link-static` (used by the GPU build) cannot find libPolly.a / libPollyISL.a, breaking the libtvm_compiler.so link. Add libpolly-15-dev.
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This pull request updates the Ubuntu LLVM installation script (docker/install/ubuntu_install_llvm.sh) to include the libpolly-15-dev package alongside the other LLVM 15 dependencies. There are no review comments, and I have no additional feedback to provide.
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tqchen
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Jun 30, 2026
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#19893 switched the LLVM install from apt.llvm.org to noble's own repos. Unlike apt.llvm.org, noble splits Polly's static libs into a per-version libpolly--dev package. The install list added libpolly-16-dev and libpolly-17-dev but not libpolly-15-dev, so
llvm-config-15 --link-static(used by the GPU build) cannot find libPolly.a / libPollyISL.a, breaking the libtvm_compiler.so link. Add libpolly-15-dev.