wehub-resource-sync
112 lines
4.3 KiB
YAML
112 lines
4.3 KiB
YAML
name: Build libkrun (linux, glibc 2.35)
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# Rebuild the bundled linux libkrun.so on ubuntu-22.04 so its glibc floor is
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# 2.35 — the same floor the release binaries get (they also build on 22.04, see
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# release.yml). A libkrun built on a newer distro (e.g. Ubuntu 24.04 / glibc
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# 2.39) loads fine there but fails on 22.04 with "GLIBC_2.39 not found", which is
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# exactly how a hand-built lib slipped a 2.39 floor into v1.2.0.
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#
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# SKIP_LIBKRUNFW=1: reuse the committed lib/linux-<arch>/libkrunfw.so (it wraps a
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# guest-kernel blob, floor GLIBC_2.2 — host-glibc-independent), so we skip the
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# multi-minute kernel rebuild and only recompile libkrun itself.
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#
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# Dispatch-only. Uploads lib/linux-<arch>/ as an artifact; the rebuilt .so is
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# then committed into the repo (git-LFS) and shipped in the next release.
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on:
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workflow_dispatch:
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inputs:
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rebuild_libkrunfw:
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description: "Rebuild libkrunfw from source (full guest-kernel rebuild) instead of reusing the committed .so. Needed when a libkrunfw patch changed the guest kernel."
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type: boolean
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default: false
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jobs:
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build:
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name: libkrun ${{ matrix.arch }}
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strategy:
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fail-fast: false
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matrix:
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include:
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- arch: x86_64
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runner: ubuntu-22.04
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- arch: aarch64
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runner: ubuntu-22.04-arm
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runs-on: ${{ matrix.runner }}
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steps:
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- uses: actions/checkout@v4
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with:
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submodules: recursive # libkrun links against the libkrunfw source
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lfs: true # committed libkrunfw.so reused under SKIP_LIBKRUNFW
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- name: Free disk space
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run: |
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sudo rm -rf /usr/share/dotnet /opt/ghc /usr/local/lib/android \
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/opt/hostedtoolcache/CodeQL 2>/dev/null || true
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df -h / | tail -1
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# By default reuse the committed libkrunfw.so (skips the multi-minute guest
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# kernel rebuild). When a libkrunfw patch changed the guest kernel, dispatch
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# with rebuild_libkrunfw=true so libkrunfw.so is rebuilt from the submodule
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# source and picked up here.
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- name: Build libkrun (GPU=1)
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run: |
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if [ "${{ inputs.rebuild_libkrunfw }}" = "true" ]; then
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echo "Rebuilding libkrunfw from source"
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GPU=1 ./scripts/build-libkrun-linux.sh
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else
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SKIP_LIBKRUNFW=1 GPU=1 ./scripts/build-libkrun-linux.sh
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fi
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- name: Assert glibc floor <= 2.35
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run: |
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so="lib/linux-${{ matrix.arch }}/libkrun.so"
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maxv=$(objdump -T "$so" | grep -oE 'GLIBC_[0-9]+\.[0-9]+' \
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| sed 's/GLIBC_//' | sort -V | tail -1)
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echo "max GLIBC required by $so: ${maxv:-none}"
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if [ -n "$maxv" ] && [ "$(printf '%s\n2.35\n' "$maxv" | sort -V | tail -1)" != "2.35" ]; then
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echo "::error::$so requires glibc $maxv (> 2.35) — floor not lowered"
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exit 1
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fi
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echo "OK: glibc floor is <= 2.35"
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- uses: actions/upload-artifact@v4
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with:
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name: libkrun-linux-${{ matrix.arch }}
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path: lib/linux-${{ matrix.arch }}/
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if-no-files-found: error
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# Cross-build the Windows libkrunfw.dll (guest kernel wrapped for a Windows
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# host) with mingw-w64 on Linux. The kernel builds with native gcc; only the
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# final bundle link uses the mingw toolchain (Makefile OS=Windows path). Only
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# runs when refreshing libkrunfw, since the .dll wraps the guest kernel.
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windows-libkrunfw:
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name: libkrunfw.dll (windows cross)
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if: ${{ inputs.rebuild_libkrunfw }}
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runs-on: ubuntu-22.04
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steps:
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- uses: actions/checkout@v4
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with:
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submodules: recursive
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lfs: false
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- name: Free disk space
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run: |
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sudo rm -rf /usr/share/dotnet /opt/ghc /usr/local/lib/android \
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/opt/hostedtoolcache/CodeQL 2>/dev/null || true
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- name: Install build + mingw toolchain
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run: |
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sudo apt-get update
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sudo apt-get install -y make gcc bc bison flex libelf-dev libssl-dev \
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python3-pyelftools curl xz-utils cpio kmod gcc-mingw-w64-x86-64
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- name: Build libkrunfw.dll (mingw cross)
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run: cd libkrunfw && make OS=Windows -j"$(nproc)"
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- uses: actions/upload-artifact@v4
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with:
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name: libkrunfw-windows-x86_64
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path: libkrunfw/libkrunfw.dll
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if-no-files-found: error
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