AppleCrosstoolTransition turns off any fission modes.

--
PiperOrigin-RevId: 144325333
MOS_MIGRATED_REVID=144325333

1 files changed, 4 insertions, 1 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/AppleCrosstoolTransition.java b/src/main/java/com/google/devtools/build/lib/rules/objc/AppleCrosstoolTransition.java
index 647c97a3be..de0072ecdc 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/AppleCrosstoolTransition.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/AppleCrosstoolTransition.java
@@ -76,7 +76,10 @@ public class AppleCrosstoolTransition implements SplitTransition<BuildOptions> {
     // OSX toolchains always use the runtime of the platform they are targeting (i.e. we do not
     // support custom production environments).
     to.get(CppOptions.class).libcTop = null;
-    to.get(CppOptions.class).glibc = null; 
+    to.get(CppOptions.class).glibc = null;
+
+    // OSX toolchains do not support fission.
+    to.get(CppOptions.class).fissionModes = ImmutableList.of();
   }
   
 }