build.py should only use target 'All' on xcode

tools/build.py

Index: tools/build.py
diff --git a/tools/build.py b/tools/build.py
index 448b47e4599d5965ffaccc11bb1375bd46655d91..70043b60daa04b52e3e2e8a549a5a261cdd38826 100755
--- a/tools/build.py
+++ b/tools/build.py
@@ -455,6 +455,8 @@ def BuildOneConfig(options, target, target_os, mode, arch, override_tools):
       project_file = 'dart.xcodeproj'
       if os.path.exists('dart-%s.gyp' % CurrentDirectoryBaseName()):
         project_file = 'dart-%s.xcodeproj' % CurrentDirectoryBaseName()
+      if target == 'all':
+        target == 'All'

[Leaf, 2017/01/09 11:57:18]

Shouldn't this be single equals? 

[Bill Hesse, 2017/01/09 12:14:57]

Yes.

[Bill Hesse, 2017/01/09 12:15:22]

Done.

       args = ['xcodebuild',
               '-project',
               project_file,
@@ -590,10 +592,7 @@ def Main():
     return 1
   # Determine which targets to build. By default we build the "all" target.
   if len(args) == 0:
-    if HOST_OS == 'macos':
-      targets = ['All']
-    else:
-      targets = ['all']
+    targets = ['all']
   else:
     targets = args