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Stabilize windows-2025 Boost discovery for cache-miss and Meson configure in CI #4

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Stabilize windows-2025 Boost discovery for cache-miss and Meson configure in CI #4

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e929ed7
Set explicit Boost env vars on Windows CI
Copilot Jun 30, 2026
2ca3d8f
Ensure Boost headers are cached on windows cache miss
Copilot Jun 30, 2026
68c6515
Copy Boost headers into cached include directory
Copilot Jun 30, 2026
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24 changes: 24 additions & 0 deletions .github/workflows/ci-windows.yml
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Expand Up @@ -124,9 +124,33 @@ jobs:
cd .\boost_${{matrix.boost-version_}}\
.\bootstrap.bat ${{matrix.toolset}}
.\b2.exe install --variant=release --threading=multi --link=static ${{matrix.boost-modules}}
New-Item -ItemType Directory -Path C:\Boost\include\boost_${{matrix.boost-version_}} -Force | Out-Null
Copy-Item -Path .\boost -Destination C:\Boost\include\boost_${{matrix.boost-version_}} -Recurse -Force
cd ..
#rm -rv boost*

- name: configure boost environment for meson
shell: pwsh
run: |
$boostRoot = 'C:\Boost'
if (-not (Test-Path $boostRoot)) {
throw "Boost root directory '$boostRoot' does not exist."
}

$boostIncludeDir = Get-ChildItem -Path (Join-Path $boostRoot 'include') -Directory -Filter 'boost-*' | Select-Object -First 1
if ($null -eq $boostIncludeDir) {
throw "No versioned Boost include directory found in '$boostRoot\\include'."
}

$boostLibraryDir = Join-Path $boostRoot 'lib'
if (-not (Test-Path $boostLibraryDir)) {
throw "Boost library directory '$boostLibraryDir' does not exist."
}

"BOOST_ROOT=$boostRoot" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
"BOOST_INCLUDEDIR=$($boostIncludeDir.FullName)" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
"BOOST_LIBRARYDIR=$boostLibraryDir" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

- name: install dependencies (meson & python)
run: pip install meson meson-python pytest numpy
#run: pip install meson meson-python pytest numpy ninja
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