fall back to x64 if arm64 doesn't exist

Author: saschanaz

lib/find-visualstudio.js

@@ -430,12 +430,20 @@ class VisualStudioFinder {
 
   // Helper - process toolset information
   getToolset (info, versionYear) {
-    const vcTools = process.arch === 'arm64' ? 'VC.Tools.ARM64' : 'VC.Tools.x86.x64'
-    const pkg = `Microsoft.VisualStudio.Component.${vcTools}`
+    const vcToolsArm64 = 'VC.Tools.ARM64';
+    const pkgArm64 = `Microsoft.VisualStudio.Component.${vcToolsArm64}`
+    const vcToolsX64 = 'VC.Tools.x86.x64';
+    const pkgX64 = `Microsoft.VisualStudio.Component.${vcToolsX64}`
     const express = 'Microsoft.VisualStudio.WDExpress'
 
-    if (info.packages.indexOf(pkg) !== -1) {
-      this.log.silly(`- found ${vcTools}`)
+    if (process.arch === 'arm64' && info.packages.indexOf(pkgArm64)) {
+      this.log.silly(`- found ${vcToolsArm64}`)
+    } else if (info.packages.indexOf(pkg) !== -1) {
+      if (process.arch === 'arm64') {
+        this.log.addLog(`- found ${vcToolsX64} on ARM64 platform. Expect less performance and/or link failure with ARM64 binary.`)
+      } else {
+        this.log.silly(`- found ${vcToolsX64}`)
+      }
     } else if (info.packages.indexOf(express) !== -1) {
       this.log.silly('- found Visual Studio Express (looking for toolset)')
     } else {