Set --xcode_version_config=@bazel_tools//tools/objc:host_xcodes by de…

…fault in

and delete the reference to Constants.TOOLS_REPOSITORY in AppleCommandLineOptions.

--
MOS_MIGRATED_REVID=120918479

src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java

@@ -390,7 +390,7 @@ public static void setup(ConfiguredRuleClassProvider.Builder builder) {
     builder.addRuleDefinition(new ObjcRuleClasses.WatchExtensionBundleRule());
     builder.addRuleDefinition(new ObjcRuleClasses.WatchApplicationBundleRule());
     builder.addRuleDefinition(new ObjcRuleClasses.CrosstoolRule());
-    builder.addRuleDefinition(new AppleToolchain.RequiresXcodeConfigRule());
+    builder.addRuleDefinition(new AppleToolchain.RequiresXcodeConfigRule(TOOLS_REPOSITORY));
     builder.addRuleDefinition(new AppleWatch1ExtensionRule());
     builder.addRuleDefinition(new AppleWatchExtensionBinaryRule());
     builder.addRuleDefinition(new IosApplicationRule());

src/main/java/com/google/devtools/build/lib/rules/apple/AppleCommandLineOptions.java

@@ -17,8 +17,8 @@
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Multimap;
-import com.google.devtools.build.lib.Constants;
 import com.google.devtools.build.lib.analysis.config.BuildConfiguration.DefaultLabelConverter;
+import com.google.devtools.build.lib.analysis.config.BuildConfiguration.LabelConverter;
 import com.google.devtools.build.lib.analysis.config.FragmentOptions;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.common.options.Converters.CommaSeparatedOptionListConverter;
@@ -99,19 +99,19 @@ public class AppleCommandLineOptions extends FragmentOptions {
       help = "Comma-separated list of architectures to build an ios_application with. The result "
           + "is a universal binary containing all specified architectures.")
   public List<String> iosMultiCpus;
-  
+
   @VisibleForTesting static final String DEFAULT_IOS_CPU = "x86_64";
-  
+
   @Option(name = "default_ios_provisioning_profile",
       defaultValue = "",
       category = "undocumented",
       converter = DefaultProvisioningProfileConverter.class)
   public Label defaultProvisioningProfile;
-  
+
   @Option(name = "xcode_version_config",
-      defaultValue = "",
+      defaultValue = "@bazel_tools" + DEFAULT_XCODE_VERSION_CONFIG_LABEL,
       category = "undocumented",
-      converter = XcodeVersionConfigConverter.class,
+      converter = LabelConverter.class,
       help = "The label of the xcode_config rule to be used for selecting the xcode version "
           + "in the build configuration")
   public Label xcodeVersionConfig;
@@ -120,8 +120,7 @@ public class AppleCommandLineOptions extends FragmentOptions {
    * The default label of the build-wide {@code xcode_config} configuration rule. This can be
    * changed from the default using the {@code xcode_version_config} build flag.
    */
-  static final String DEFAULT_XCODE_VERSION_CONFIG_LABEL =
-      Constants.TOOLS_REPOSITORY + "//tools/objc:host_xcodes";
+  static final String DEFAULT_XCODE_VERSION_CONFIG_LABEL = "//tools/objc:host_xcodes";
 
   /** Converter for --default_ios_provisioning_profile. */
   public static class DefaultProvisioningProfileConverter extends DefaultLabelConverter {
@@ -139,13 +138,6 @@ public DefaultProvisioningProfileConverter() {
              + "Values: 'none', 'embedded_markers', 'embedded'.")
   public AppleBitcodeMode appleBitcodeMode;
 
-  /** Converter for {@code --xcode_version_config}. */
-  public static class XcodeVersionConfigConverter extends DefaultLabelConverter {
-    public XcodeVersionConfigConverter() {
-      super(DEFAULT_XCODE_VERSION_CONFIG_LABEL);
-    }
-  }
-
   private Platform getPlatform() {
     for (String architecture : iosMultiCpus) {
       if (Platform.forIosArch(architecture) == Platform.IOS_DEVICE) {
@@ -154,27 +146,27 @@ private Platform getPlatform() {
     }
     return Platform.forIosArch(iosCpu);
   }
-  
+
   @Override
   public void addAllLabels(Multimap<String, Label> labelMap) {
     if (getPlatform() == Platform.IOS_DEVICE) {
       labelMap.put("default_provisioning_profile", defaultProvisioningProfile);
     }
     labelMap.put("xcode_version_config", xcodeVersionConfig);
   }
-  
+
   /**
    * Represents the Apple Bitcode mode for compilation steps.
-   * 
+   *
    * <p>Bitcode is an intermediate representation of a compiled program. For many platforms,
    * Apple requires app submissions to contain bitcode in order to be uploaded to the app store.
-   * 
+   *
    * <p>This is a build-wide value, as bitcode mode needs to be consistent among a target and
    * its compiled dependencies.
    */
   public enum AppleBitcodeMode {
 
-    /** 
+    /**
      * Do not compile bitcode.
      */
     NONE("none"),

src/main/java/com/google/devtools/build/lib/rules/apple/AppleToolchain.java

@@ -26,6 +26,7 @@
 import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment;
 import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
 import com.google.devtools.build.lib.cmdline.Label;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
 import com.google.devtools.build.lib.packages.Attribute.LateBoundLabel;
 import com.google.devtools.build.lib.packages.AttributeMap;
 import com.google.devtools.build.lib.packages.Rule;
@@ -44,19 +45,19 @@
   doc = "Utilities for resolving items from the Apple toolchain."
 )
 public class AppleToolchain {
-  
+
   // These next two strings are shared secrets with the xcrunwrapper.sh to allow
   // expansion of DeveloperDir and SDKRoot and runtime, since they aren't known
   // until compile time on any given build machine.
   @VisibleForTesting public static final String DEVELOPER_DIR = "__BAZEL_XCODE_DEVELOPER_DIR__";
   @VisibleForTesting public static final String SDKROOT_DIR = "__BAZEL_XCODE_SDKROOT__";
-  
+
   // These two paths are framework paths relative to SDKROOT.
   @VisibleForTesting
   public static final String DEVELOPER_FRAMEWORK_PATH = "/Developer/Library/Frameworks";
   @VisibleForTesting
   public static final String SYSTEM_FRAMEWORK_PATH = "/System/Library/Frameworks";
-  
+
   // There is a handy reference to many clang warning flags at
   // http://nshipster.com/clang-diagnostics/
   // There is also a useful narrative for many Xcode settings at
@@ -181,19 +182,31 @@ public XcodeprojBuildSetting apply(String key) {
     });
   }
 
+  /**
+   * The default label of the build-wide {@code xcode_config} configuration rule.
+   */
+  @Immutable
+  public static final class XcodeConfigLabel extends LateBoundLabel<BuildConfiguration> {
+    public XcodeConfigLabel(String toolsRepository) {
+      super(toolsRepository + AppleCommandLineOptions.DEFAULT_XCODE_VERSION_CONFIG_LABEL,
+          AppleConfiguration.class);
+    }
+
+    @Override
+    public Label resolve(Rule rule, AttributeMap attributes, BuildConfiguration configuration) {
+      return configuration.getFragment(AppleConfiguration.class).getXcodeConfigLabel();
+    }
+  }
+
   /**
    * Base rule definition to be ancestor for rules which may require an xcode toolchain.
    */
   public static class RequiresXcodeConfigRule implements RuleDefinition {
-    public static final LateBoundLabel<BuildConfiguration> XCODE_CONFIG_LABEL =
-        new LateBoundLabel<BuildConfiguration>(
-            AppleCommandLineOptions.DEFAULT_XCODE_VERSION_CONFIG_LABEL, AppleConfiguration.class) {
-          @Override
-          public Label resolve(Rule rule, AttributeMap attributes,
-              BuildConfiguration configuration) {
-            return configuration.getFragment(AppleConfiguration.class).getXcodeConfigLabel();
-          }
-        };
+    private final String toolsRepository;
+
+    public RequiresXcodeConfigRule(String toolsRepository) {
+      this.toolsRepository = toolsRepository;
+    }
 
     @Override
     public RuleClass build(Builder builder, RuleDefinitionEnvironment env) {
@@ -203,7 +216,7 @@ public RuleClass build(Builder builder, RuleDefinitionEnvironment env) {
               .checkConstraints()
               .direct_compile_time_input()
               .cfg(HOST)
-              .value(XCODE_CONFIG_LABEL))
+              .value(new XcodeConfigLabel(toolsRepository)))
           .build();
     }
     @Override

src/main/java/com/google/devtools/build/lib/rules/objc/AbstractJ2ObjcProtoAspect.java

@@ -90,7 +90,7 @@ public AspectDefinition getDefinition(AspectParameters aspectParameters) {
             .checkConstraints()
             .direct_compile_time_input()
             .cfg(HOST)
-            .value(AppleToolchain.RequiresXcodeConfigRule.XCODE_CONFIG_LABEL));
+            .value(new AppleToolchain.XcodeConfigLabel(toolsRepository)));
     return addAdditionalAttributes(builder).build();
   }
 

src/main/java/com/google/devtools/build/lib/rules/objc/J2ObjcAspect.java

@@ -115,7 +115,7 @@ public AspectDefinition getDefinition(AspectParameters aspectParameters) {
             .checkConstraints()
             .direct_compile_time_input()
             .cfg(HOST)
-            .value(AppleToolchain.RequiresXcodeConfigRule.XCODE_CONFIG_LABEL))
+            .value(new AppleToolchain.XcodeConfigLabel(toolsRepository)))
         .build();
   }