Build in Azure Pipelines with cached vcpkg artifacts

.gitmodules

@@ -0,0 +1,7 @@
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+[submodule "vcpkg"]
+	path = vcpkg
+	url = https://github.com/microsoft/vcpkg.git
+	fetchRecurseSubmodules = false

azure-devops/enforce-clang-format.cmd

@@ -3,4 +3,4 @@
 @echo off
 clang-format -style=file -i stl/inc/* stl/inc/cvt/* stl/inc/experimental/* stl/src/* 2>&1
 echo If your build fails here, you need to format the following files with clang-format 8.0.1.
-git status --porcelain 1>&2
+git status --porcelain stl 1>&2

azure-devops/install_msvc_preview.ps1

@@ -0,0 +1,64 @@
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+$ErrorActionPreference = "Stop"
+
+Function InstallVS
+{
+    # Microsoft hosted agents do not have the required MSVC Preview for building MSVC STL.
+    # This step installs MSVC Preview, only on Microsoft hosted agents.
+
+  Param(
+    [String]$WorkLoads,
+    [String]$Sku,
+    [String]$VSBootstrapperURL)
+  $exitCode = -1
+  try
+  {
+    Write-Host "Downloading bootstrapper ..."
+    [string]$bootstrapperExe = Join-Path ${env:Temp} ([System.IO.Path]::GetRandomFileName() + ".exe")
+    Invoke-WebRequest -Uri $VSBootstrapperURL -OutFile $bootstrapperExe
+
+    $Arguments = ('/c', $bootstrapperExe, $WorkLoads, '--quiet', '--norestart', '--wait', '--nocache')
+
+    Write-Host "Starting Install: $Arguments"
+    $process = Start-Process -FilePath cmd.exe -ArgumentList $Arguments -Wait -PassThru
+    $exitCode = $process.ExitCode
+
+    if ($exitCode -eq 0 -or $exitCode -eq 3010)
+    {
+      Write-Host -Object 'Installation successful!'
+    }
+    else
+    {
+      Write-Host -Object "Nonzero exit code returned by the installation process : $exitCode."
+    }
+  }
+  catch
+  {
+    Write-Host -Object "Failed to install Visual Studio!"
+    Write-Host -Object $_.Exception.Message
+    exit $exitCode
+  }
+
+  exit $exitCode
+}
+
+# Invalidate the standard installation of VS on the hosted agent.
+Move-Item "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/" "C:/Program Files (x86)/Microsoft Visual Studio/2019/nouse/" -Verbose
+
+$WorkLoads =  '--add Microsoft.VisualStudio.Component.VC.CLI.Support ' + `
+              '--add Microsoft.VisualStudio.Component.VC.Tools.x86.x64 ' + `
+              '--add Microsoft.VisualStudio.Component.VC.Tools.ARM64 ' + `
+              '--add Microsoft.VisualStudio.Component.VC.Tools.ARM ' + `
+              '--add Microsoft.VisualStudio.Component.Windows10SDK.18362 '
+
+$ReleaseInPath = 'Preview'
+$Sku = 'Enterprise'
+$VSBootstrapperURL = 'https://aka.ms/vs/16/pre/vs_buildtools.exe'
+
+$ErrorActionPreference = 'Stop'
+
+# Install VS
+$exitCode = InstallVS -WorkLoads $WorkLoads -Sku $Sku -VSBootstrapperURL $VSBootstrapperURL
+
+exit $exitCode

azure-devops/run_build.yml

@@ -0,0 +1,53 @@
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+parameters:
+  targetPlatform: 'x64'
+
+jobs:
+- job: ${{ parameters.targetPlatform }}
+  pool:
+    name: STL
+
+  variables:
+    vcpkgLocation: '$(Build.SourcesDirectory)/vcpkg'
+    vcpkgResponseFile: $(Build.SourcesDirectory)/vcpkg_windows.txt
+  steps:
+    - checkout: self
+      submodules: recursive
+    - task: BatchScript@1
+      displayName: 'Enforce clang-format'
+      condition: eq('${{ parameters.targetPlatform }}', 'x86')
+      inputs:
+        filename: 'azure-devops/enforce-clang-format.cmd'
+        failOnStandardError: true
+    - task: PowerShell@2
+      displayName: 'Install MSVC preview'
+      # on "Hosted" agents only:
+      condition: or(contains(variables['Agent.Name'], 'Azure Pipelines'), contains(variables['Agent.Name'], 'Hosted Agent'))
+      inputs:
+        targetType: filePath
+        filePath: $(Build.SourcesDirectory)/azure-devops/install_msvc_preview.ps1
+    - task: CacheBeta@0
+      displayName: Cache vcpkg
+      inputs:
+        key: $(vcpkgResponseFile) | $(Build.SourcesDirectory)/.git/modules/vcpkg/HEAD
+        path: '$(vcpkgLocation)'
+    - task: run-vcpkg@0
+      displayName: 'Run vcpkg to install boost-build'
+      inputs:
+        vcpkgArguments: 'boost-build:x86-windows'
+        vcpkgDirectory: '$(vcpkgLocation)'
+    - task: run-vcpkg@0
+      displayName: 'Run vcpkg'
+      inputs:
+        vcpkgArguments: '@$(vcpkgResponseFile)'
+        vcpkgDirectory: '$(vcpkgLocation)'
+        vcpkgTriplet: ${{ parameters.targetPlatform }}-windows
+    - task: run-cmake@0
+      displayName: 'Run CMake with Ninja'
+      enabled: true
+      inputs:
+        cmakeListsTxtPath: 'CMakeSettings.json'
+        useVcpkgToolchainFile: true
+        configurationRegexFilter: '.*${{ parameters.targetPlatform }}.*'
+        buildDirectory: $(Build.ArtifactStagingDirectory)/${{ parameters.targetPlatform }}

azure-pipelines.yml

@@ -1,10 +1,21 @@
-# Copyright (c) Microsoft Corporation.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-pool: 'STL'
-
-steps:
-- task: BatchScript@1
-  inputs:
-    filename: 'azure-devops/enforce-clang-format.cmd'
-    failOnStandardError: true
-    displayName: 'Enforce clang-format'
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+# Build STL targeting x86, x64, arm, arm64
+
+jobs:
+- template: azure-devops/run_build.yml
+  parameters:
+    targetPlatform: x86
+
+- template: azure-devops/run_build.yml
+  parameters:
+    targetPlatform: x64
+
+- template: azure-devops/run_build.yml
+  parameters:
+    targetPlatform: arm
+
+- template: azure-devops/run_build.yml
+  parameters:
+    targetPlatform: arm64

vcpkg_windows.txt

@@ -0,0 +1,5 @@
+boost-build:x86-windows
+boost-math:x86-windows
+boost-math:x64-windows
+boost-math:arm-windows
+boost-math:arm64-windows