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[release/5.0] Add option to prefer 64bit msbuild #7558

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Jun 24, 2021
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13 changes: 11 additions & 2 deletions eng/common/tools.ps1
Original file line number Diff line number Diff line change
Expand Up @@ -371,7 +371,16 @@ function InitializeVisualStudioMSBuild([bool]$install, [object]$vsRequirements =
}

$msbuildVersionDir = if ([int]$vsMajorVersion -lt 16) { "$vsMajorVersion.0" } else { "Current" }
return $global:_MSBuildExe = Join-Path $vsInstallDir "MSBuild\$msbuildVersionDir\Bin\msbuild.exe"

$local:BinFolder = Join-Path $vsInstallDir "MSBuild\$msbuildVersionDir\Bin"
$local:Prefer64bit = if ($vsRequirements.Prefer64bit) { $vsRequirements.Prefer64bit } else { $false }
if ($local:Prefer64bit -and (Test-Path(Join-Path $local:BinFolder "amd64"))) {
$global:_MSBuildExe = Join-Path $local:BinFolder "amd64\msbuild.exe"
} else {
$global:_MSBuildExe = Join-Path $local:BinFolder "msbuild.exe"
}

return $global:_MSBuildExe
}

function InitializeVisualStudioEnvironmentVariables([string] $vsInstallDir, [string] $vsMajorVersion) {
Expand Down Expand Up @@ -527,7 +536,7 @@ function GetDefaultMSBuildEngine() {

function GetNuGetPackageCachePath() {
if ($env:NUGET_PACKAGES -eq $null) {
# Use local cache on CI to ensure deterministic build.
# Use local cache on CI to ensure deterministic build.
# Avoid using the http cache as workaround for https://github.com/NuGet/Home/issues/3116
# use global cache in dev builds to avoid cost of downloading packages.
# For directory normalization, see also: https://github.com/NuGet/Home/issues/7968
Expand Down