Merge pull request swiftlang#257 from apple/enable-new-build-system

Enable new build system

Author: shahmishal

project_future.py

@@ -118,7 +118,6 @@ def get_build_command(self, incremental=False):
                    + ['CODE_SIGN_IDENTITY=',
                       'CODE_SIGNING_REQUIRED=NO',
                       'ENABLE_BITCODE=NO',
-                      '-UseNewBuildSystem=NO',
                       'INDEX_ENABLE_DATA_STORE=NO',
                       'GCC_TREAT_WARNINGS_AS_ERRORS=NO',
                       'SWIFT_TREAT_WARNINGS_AS_ERRORS=NO'])

projects.json

@@ -1500,17 +1500,7 @@
         "project": "ProcedureKit.xcodeproj",
         "target": "ProcedureKit",
         "destination": "generic/platform=watchOS",
-        "configuration": "Release",
-        "xfail": {
-          "compatibility": {
-            "3.0": {
-              "branch": {
-                "master": "https://bugs.swift.org/browse/SR-8780",
-                "swift-4.2-branch": "https://bugs.swift.org/browse/SR-8780"
-              }
-            }
-          }
-        }
+        "configuration": "Release"
       },
       {
         "action": "BuildXcodeProjectTarget",
@@ -1581,17 +1571,7 @@
         "project": "PromiseKit.xcodeproj",
         "target": "PromiseKit",
         "destination": "generic/platform=watchOS",
-        "configuration": "Release",
-        "xfail": {
-          "compatibility": {
-            "4.0.3": {
-              "branch": {
-                "master": "https://bugs.swift.org/browse/SR-8781",
-                "swift-4.2-branch": "https://bugs.swift.org/browse/SR-8781"
-              }
-            }
-          }
-        }
+        "configuration": "Release"
       },
       {
         "action": "BuildXcodeProjectTarget",
@@ -2637,23 +2617,7 @@
         "project": "Mapper.xcodeproj",
         "target": "Mapper",
         "destination": "generic/platform=watchOS",
-        "configuration": "Release",
-        "xfail": {
-          "compatibility": {
-            "4.0": {
-              "branch": {
-                "master": "https://bugs.swift.org/browse/SR-8778",
-                "swift-4.2-branch": "https://bugs.swift.org/browse/SR-8778"
-              }
-            },
-            "4.2": {
-              "branch": {
-                "master": "https://bugs.swift.org/browse/SR-8778",
-                "swift-4.2-branch": "https://bugs.swift.org/browse/SR-8778"
-              }
-            }
-          }
-        }
+        "configuration": "Release"
       },
       {
         "action": "BuildSwiftPackage",