Add a boolean flag to a Feature to specify whether it is enabled by default.

This enables us to configure default features for each toolchain without having
to hard-code anything in class such as CcCommon.

--
PiperOrigin-RevId: 146904287
MOS_MIGRATED_REVID=146904287

1 files changed, 7 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeaturesTest.java b/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeaturesTest.java
index 52ebddbae2..188794f77d 100644
--- a/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeaturesTest.java
+++ b/src/test/java/com/google/devtools/build/lib/rules/cpp/CcToolchainFeaturesTest.java
@@ -1040,6 +1040,13 @@ public class CcToolchainFeaturesTest {
     assertThat(features.getFeatureConfiguration("b").getCommandLine(CppCompileAction.CPP_COMPILE,
         createVariables("v", "1"))).containsExactly("-f", "1");
   }
+  
+  @Test
+  public void testDefaultFeatures() throws Exception {
+    CcToolchainFeatures features =
+        buildFeatures("feature { name: 'a' }", "feature { name: 'b' enabled: true }");
+    assertThat(features.getDefaultFeatures()).containsExactly("b");
+  }
 
   @Test
   public void testActivateActionConfigFromFeature() throws Exception {