win: find and setup for VS2017

lib/build.js

@@ -14,7 +14,9 @@ var fs = require('graceful-fs')
   , mkdirp = require('mkdirp')
   , exec = require('child_process').exec
   , processRelease = require('./process-release')
-  , win = process.platform == 'win32'
+  , win = process.platform === 'win32';
+if (win)
+  var findVS = require('get-vs2017-path')
 
 exports.usage = 'Invokes `' + (win ? 'msbuild' : 'make') + '` and builds the module'
 
@@ -107,7 +109,7 @@ function build (gyp, argv, callback) {
       if (err) {
         if (win && /not found/.test(err.message)) {
           // On windows and no 'msbuild' found. Let's guess where it is
-          findMsbuild()
+          findMsbuild15()
         } else {
           // Some other error or 'make' not found on Unix, report that to the user
           callback(err)
@@ -122,6 +124,17 @@ function build (gyp, argv, callback) {
   /**
    * Search for the location of "msbuild.exe" file on Windows.
    */
+  function findMsbuild15() {
+    log.verbose('looking for VS2017 msbuild')
+    var msbuild_path = findVS.locateMsbuild()
+    if (msbuild_path) {
+      command = msbuild_path
+      log.verbose('found VS2017 msbuild at ' + msbuild_path)
+      copyNodeLib()
+    } else {
+      findMsbuild()
+    }
+  }
 
   function findMsbuild () {
     log.verbose('could not find "msbuild.exe" in PATH - finding location in registry')

lib/configure.js

@@ -22,6 +22,8 @@ var fs = require('graceful-fs')
   , win = process.platform == 'win32'
   , findNodeDirectory = require('./find-node-directory')
   , msgFormat = require('util').format
+if (win)
+  var findVS = require('./find-vs2017')
 
 exports.usage = 'Generates ' + (win ? 'MSVC project files' : 'a Makefile') + ' for the current module'
 
@@ -39,10 +41,23 @@ function configure (gyp, argv, callback) {
       callback(err)
     } else {
       python = found
-      getNodeDir()
+      findVisualStudio2017()
     }
   })
 
+  function findVisualStudio2017() {
+    if (win) {
+      const vsSetup = findVS.getVS2017Setup();
+      if (!vsSetup) return callback()
+      gyp.opts.msvs_version = '2017';
+      process.env['vs2017_install'] = vsSetup.InstallationPath;
+      if (vsSetup.SDK) process.env['vs2017_sdk'] = vsSetup.SDK.replace(/\d+$/, '0')
+      callback();
+    } else {
+      getNodeDir()
+    }
+  }
+
   function getNodeDir () {
 
     // 'python' should be set by now
@@ -317,9 +332,9 @@ function configure (gyp, argv, callback) {
 }
 
 /**
- * Returns the first file or directory from an array of candidates that is 
+ * Returns the first file or directory from an array of candidates that is
  * readable by the current user, or undefined if none of the candidates are
- * readable. 
+ * readable.
  */
 function findAccessibleSync (logprefix, dir, candidates) {
   for (var next = 0; next < candidates.length; next++) {

package.json

@@ -23,6 +23,7 @@
   "main": "./lib/node-gyp.js",
   "dependencies": {
     "fstream": "^1.0.0",
+    "get-vs2017-path": "^1.2.0",
     "glob": "^7.0.3",
     "graceful-fs": "^4.1.2",
     "minimatch": "^3.0.2",