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Distribute GenGen as a static library (#8367)
Also use a mutex and timestamp checking to ensure that multiple generators in the same directory do not race to place Halide.dll next to them on Windows.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| param([string]$src, [string]$dstDir) | ||
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| try { | ||
| $bytes = [System.Text.Encoding]::UTF8.GetBytes($dstDir) | ||
| $hash = [System.Security.Cryptography.SHA512]::Create().ComputeHash($bytes) | ||
| $key = "Halide-" + ([Convert]::ToBase64String($hash) -replace ('/', '-')) | ||
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||
| $m = New-Object System.Threading.Mutex($false, $key) | ||
| if (!$m) { | ||
| throw "Failed to create mutex $key" | ||
| } | ||
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| $m.WaitOne() | Out-Null | ||
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| $name = Split-Path $src -leaf | ||
| $dst = Join-Path $dstDir $name | ||
| if (Test-Path $dst) { | ||
| $srcTime = (Get-Item $src).LastWriteTime | ||
| $dstTime = (Get-Item $dst).LastWriteTime | ||
| if ($dstTime -ge $srcTime) { | ||
| Return | ||
| } | ||
| } | ||
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| Copy-Item $src $dstDir | ||
| } finally { | ||
| if ($m) { | ||
| $m.ReleaseMutex() | Out-Null | ||
| $m.Dispose() | Out-Null | ||
| } | ||
| } |
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