gyp: enable MARMASM items only on new VS versions

PR-URL: #1762
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Refael Ackermann <refack@gmail.com>

gyp/pylib/gyp/generator/msvs.py

@@ -88,6 +88,7 @@ def _import_OrderedDict():
     'msvs_enable_winrt',
     'msvs_requires_importlibrary',
     'msvs_enable_winphone',
+    'msvs_enable_marmasm',
     'msvs_application_type_revision',
     'msvs_target_platform_version',
     'msvs_target_platform_minversion',
@@ -3362,7 +3363,8 @@ def _GenerateMSBuildProject(project, options, version, generator_flags):
    content += _GetMSBuildLocalProperties(project.msbuild_toolset)
   content += import_cpp_props_section
   content += import_masm_props_section
-  content += import_marmasm_props_section
+  if spec.get('msvs_enable_marmasm'):
+    content += import_marmasm_props_section
   content += _GetMSBuildExtensions(props_files_of_rules)
   content += _GetMSBuildPropertySheets(configurations)
   content += macro_section
@@ -3375,7 +3377,8 @@ def _GenerateMSBuildProject(project, options, version, generator_flags):
   content += _GetMSBuildProjectReferences(project)
   content += import_cpp_targets_section
   content += import_masm_targets_section
-  content += import_marmasm_targets_section
+  if spec.get('msvs_enable_marmasm'):
+    content += import_marmasm_targets_section
   content += _GetMSBuildExtensionTargets(targets_files_of_rules)
 
   if spec.get('msvs_external_builder'):

lib/configure.js

@@ -146,6 +146,15 @@ function configure (gyp, argv, callback) {
       if (vsInfo.sdk) {
         defaults['msvs_windows_target_platform_version'] = vsInfo.sdk
       }
+      if (variables.target_arch == 'arm64') {
+        if (vsInfo.versionMajor > 15 ||
+            (vsInfo.versionMajor === 15 && vsInfo.versionMajor >= 9)) {
+          defaults['msvs_enable_marmasm'] = 1
+        } else {
+          log.warn('Compiling ARM64 assembly is only available in\n' +
+            'Visual Studio 2017 version 15.9 and above')
+        }
+      }
       variables['msbuild_path'] = vsInfo.msBuild
     }