[PATCH] Extend acceptable undefined symbol handling

[Shankar Kalpathi Easwaran]

  setAllowRemainingUndefines could be set to true in the Driver to be true when building shared libraries.


================
Comment at: include/lld/Core/LinkingContext.h:319-320
@@ -318,1 +318,4 @@
 
+  /// Abstract method to return whether the output is shared for the purpose
+  /// of missing undefind symbols.
+  virtual bool outputIsSharedLibrary() const = 0;
----------------
nit pick, undefind -> undefined


http://llvm-reviews.chandlerc.com/D1582