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add julia-win-bootstrap workflow on main
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‎.github/workflows/julia-win-bootstrap.yml‎

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name: Diagnose julia.exe sysimage bootstrap on real Windows
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# A from-source (USE_BINARYBUILDER=0) cross-build of Julia 1.12.6 in the
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# MXE dockcross image links libjulia.dll + libjulia-codegen.dll + julia.exe
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# successfully, but the sysimage bootstrap step requires running julia.exe
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# on the build host. Under wine inside the container, that exits silently
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# with rc=1 and no diagnostic output. This workflow runs the same step on
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# a real Windows runner so we can see what actually happens.
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on:
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workflow_dispatch:
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inputs:
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julia_tarball_url:
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description: 'URL of the patched Julia 1.12.6 source tarball'
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required: true
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default: 'https://github.com/casadi/debug/releases/download/julia-1.12.6-mxe-bootstrap/julia-1.12.6-mxe-patched.tar.gz'
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jobs:
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build-linux:
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runs-on: ubuntu-22.04
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timeout-minutes: 180
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steps:
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- uses: actions/checkout@v4
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- name: Show disk before
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run: df -h /
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- name: Download patched Julia source tarball
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run: |
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curl -fsSL -o julia-src.tar.gz "${{ github.event.inputs.julia_tarball_url }}"
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ls -lh julia-src.tar.gz
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tar -xzf julia-src.tar.gz
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ls julia-1.12.6/Make.user
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- name: Build extended dockcross image (cmake 3.29 + shims)
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run: |
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docker build -t julia-winbuild:latest julia-build
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- name: Run the cross-build inside the container (link target only)
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run: |
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docker run --rm \
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-u "$(id -u):$(id -g)" \
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-v "$PWD/julia-1.12.6:/work" \
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-e HOME=/tmp \
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-e WINEPREFIX=/tmp/wineprefix \
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-e WINEPATH='Z:\work\usr\bin;Z:\usr\src\mxe\usr\x86_64-w64-mingw32.shared.posix\bin' \
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-e CMAKE_TOOLCHAIN_FILE= \
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-e PKG_CONFIG_PATH=/work/usr/lib/pkgconfig \
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-e PKG_CONFIG_LIBDIR=/work/usr/lib/pkgconfig \
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-w /work \
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--entrypoint bash julia-winbuild:latest \
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-c 'set -o pipefail
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export PATH=/usr/src/mxe/usr/bin:/usr/local/bin:$PATH
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unset CMAKE_TOOLCHAIN_FILE
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mkdir -p /tmp/wineprefix usr/bin
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for d in libgcc_s_seh-1 libstdc++-6 libwinpthread-1 libgfortran-5 libquadmath-0 libgomp-1 libssp-0 libatomic-1; do
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cp -f /usr/src/mxe/usr/x86_64-w64-mingw32.shared.posix/bin/$d.dll usr/bin/
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done
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# Stop *before* the sysimage step so the Windows job can drive it.
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make -j 4 julia-src-release 2>&1 | tail -200
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echo "=== usr/bin layout ===" && ls -la usr/bin
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echo "=== usr/manifest ===" && ls usr/manifest'
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- name: Tar Julia install tree
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run: |
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cd julia-1.12.6
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# Ship the full usr tree plus Base.jl/sysimage scripts needed for the
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# sysimage bootstrap, plus the buildroot-relative scripts.
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tar -czf ../julia-winbuild-usr.tar.gz \
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usr/ base/ stdlib/ sysimage.mk Makefile Make.user Make.inc VERSION \
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src/Makefile contrib/windows
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ls -lh ../julia-winbuild-usr.tar.gz
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- name: Upload artifact for Windows job
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uses: actions/upload-artifact@v4
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with:
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name: julia-winbuild-usr
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path: julia-winbuild-usr.tar.gz
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retention-days: 7
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- name: Show disk after
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if: always()
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run: df -h /
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run-windows:
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needs: build-linux
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runs-on: windows-2022
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timeout-minutes: 30
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steps:
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- name: Download Linux build artifact
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uses: actions/download-artifact@v4
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with:
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name: julia-winbuild-usr
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- name: Extract
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shell: pwsh
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run: |
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mkdir julia-tree | Out-Null
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tar -xzf julia-winbuild-usr.tar.gz -C julia-tree
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Get-ChildItem julia-tree
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Get-ChildItem julia-tree\usr\bin\julia.exe, julia-tree\usr\bin\libjulia*.dll
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- name: julia.exe --version (the smoke test that fails silently in wine)
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shell: pwsh
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continue-on-error: true
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run: |
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$exe = "$PWD\julia-tree\usr\bin\julia.exe"
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Write-Host "=== file info ==="
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Get-Item $exe | Format-List
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Write-Host "=== running --version ==="
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& $exe --version
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Write-Host "=== exit code: $LASTEXITCODE ==="
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- name: julia.exe -e 'println(VERSION)' (no sysimage required for this)
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shell: pwsh
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continue-on-error: true
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run: |
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$exe = "$PWD\julia-tree\usr\bin\julia.exe"
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& $exe -e "println(VERSION)"
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Write-Host "=== exit code: $LASTEXITCODE ==="
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- name: Enumerate DLL imports of julia.exe and libjulia*.dll
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shell: pwsh
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continue-on-error: true
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run: |
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$dumpbin = (Get-ChildItem "C:\Program Files*\Microsoft Visual Studio\2022\*\VC\Tools\MSVC\*\bin\Hostx64\x64\dumpbin.exe" -ErrorAction SilentlyContinue | Select-Object -First 1).FullName
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if (-not $dumpbin) { $dumpbin = (Get-Command dumpbin.exe -ErrorAction SilentlyContinue).Source }
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Write-Host "dumpbin: $dumpbin"
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foreach ($f in @('julia.exe','libjulia.dll','libjulia-internal.dll','libjulia-codegen.dll')) {
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$p = "$PWD\julia-tree\usr\bin\$f"
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if (Test-Path $p) {
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Write-Host "=== /dependents $f ==="
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& $dumpbin /dependents $p
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}
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}
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- name: Run the actual sysimage bootstrap command (basecompiler-o.a)
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shell: bash
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continue-on-error: true
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run: |
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set -x
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cd julia-tree
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PRIVATE_LIBDIR="usr/lib/julia"
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mkdir -p "$PRIVATE_LIBDIR"
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cd base
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# Cargo-cult the same command the Makefile would invoke under wine
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# see sysimage.mk base_builder recipe
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"../usr/bin/julia.exe" -O1 \
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-C "generic;sandybridge,-xsaveopt,clone_all;haswell,-rdrnd,base(1)" \
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--output-o "..\\${PRIVATE_LIBDIR//\//\\}\\basecompiler-o.a.tmp" \
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--startup-file=no --warn-overwrite=yes -g1 Base_compiler.jl \
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--buildroot "..\\" --dataroot "..\\share\\julia\\" \
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2>&1 | tee ../basecompiler.log
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echo "=== exit code: $? ==="
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echo "=== output tail ==="
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tail -50 ../basecompiler.log
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- name: Upload bootstrap log
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if: always()
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uses: actions/upload-artifact@v4
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with:
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name: bootstrap-log
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path: julia-tree/basecompiler.log
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if-no-files-found: ignore

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