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fix: restore PROCESSOR_ARCHITECTURE after VS dev shell on ARM64

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VS dev shell with -HostArch amd64 sets PROCESSOR_ARCHITECTURE=AMD64,
causing CMake to misdetect the system as x64 and use -march=haswell
on ARM64. Restore PROCESSOR_ARCHITECTURE=ARM64 after VS dev shell.
This commit is contained in:
Dylan Conway
2026-02-04 20:39:57 -08:00
parent ab0d5cdd78
commit 1cbd606db2
1 changed files with 6 additions and 0 deletions
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6
scripts/vs-shell.ps1
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@@ -39,6 +39,12 @@ if($env:VSINSTALLDIR -eq $null) {
# -HostArch only accepts "x86" or "amd64" — even on native ARM64, use "amd64"
$hostArch = if ($script:VsArch -eq "arm64") { "amd64" } else { $script:VsArch }
. $vsShell -Arch $script:VsArch -HostArch $hostArch
# VS dev shell with -HostArch amd64 sets PROCESSOR_ARCHITECTURE=AMD64,
# which causes CMake to misdetect the system as x64. Restore it on ARM64.
if ($script:IsARM64) {
$env:PROCESSOR_ARCHITECTURE = "ARM64"
}
} finally {
Pop-Location
}