FeatureDefines.xcconfig files to enable the JSC JIT by setting ENABLE_JIT. There are some cases where we may not want the JIT enabled. Since wtf/Platform.h properly determines what platform CPU combination should have the JIT enabled. We can probably just remove ENABLE_JIT from the FeatureDefines.xcconfig files. 
<rdar://problem/21024426>
Created attachment 253396 [details] Patch
Comment on attachment 253396 [details] Patch r=me
Attachment 253396 [details] did not pass style-queue: ERROR: Source/WebCore/ChangeLog:11: You should remove the 'No new tests' and either add and list tests, or explain why no new tests were possible. [changelog/nonewtests] [5] Total errors found: 1 in 4 files If any of these errors are false positives, please file a bug against check-webkit-style.
(In reply to comment #4) > Attachment 253396 [details] did not pass style-queue: > > > ERROR: Source/WebCore/ChangeLog:11: You should remove the 'No new tests' > and either add and list tests, or explain why no new tests were possible. > [changelog/nonewtests] [5] > Total errors found: 1 in 4 files > > > If any of these errors are false positives, please file a bug against > check-webkit-style. I updated the change with the added line: Only changed the way build options are initialized.
Committed r184600: <http://trac.webkit.org/changeset/184600>