build: add swift-inspect to the build

This is part of the default toolchain distribution and needs to be built
for packaging as well as development.  Add this to the build set.

Author: compnerd

build.ps1

@@ -1322,6 +1322,16 @@ function Install-HostToolchain() {
   Copy-Item -Force $BinaryCache\7\bin\swift-driver.exe $ToolchainInstallRoot\usr\bin\swiftc.exe
 }
 
+function Build-Inspect() {
+  $OutDir = Join-Path -Path $HostArch.BinaryRoot -ChildPath swift-inspect
+
+  Build-SPMProject `
+    -Src $SourceCache\swift\tools\swift-inspect `
+    -Bin $OutDir `
+    -Arch $HostArch `
+    -Xcc "-I$($HostArch.SDKInstallRoot)\usr\include\swift\SwiftRemoteMirror" -Xlinker "$($HostArch.SDKInstallRoot)\usr\lib\swift\windows\$($HostArch.LLVMName)\swiftRemoteMirror.lib"
+}
+
 function Build-Installer() {
   Build-WiXProject bld.wixproj -Arch $HostArch -Properties @{
     DEVTOOLS_ROOT = "$($HostArch.ToolchainInstallRoot)\";
@@ -1355,6 +1365,10 @@ function Build-Installer() {
     }
   }
 
+  Build-WiXProject swift-inspect.wixproj -Arch $HostArch -Properties @{
+    SWIFT_INSPECT_BUILD = "$($HostArch.BinaryRoot)\swift-inspect\release"
+  }
+
   Build-WiXProject installer.wixproj -Arch $HostArch -Bundle -Properties @{
     OutputPath = "$($HostArch.BinaryRoot)\";
     MSI_LOCATION = "$($HostArch.BinaryRoot)\msi\";
@@ -1416,6 +1430,10 @@ if (-not $SkipBuild) {
 
 Install-HostToolchain
 
+if (-not $SkipBuild) {
+  Build-Inspect $HostArch
+}
+
 if (-not $SkipPackaging) {
   Build-Installer
 }