Don't link mcjit/interpreter LLVM components

src/rustllvm/PassWrapper.cpp

@@ -26,8 +26,6 @@
 using namespace llvm;
 using namespace llvm::legacy;
 
-extern cl::opt<bool> EnableARMEHABI;
-
 typedef struct LLVMOpaquePass *LLVMPassRef;
 typedef struct LLVMOpaqueTargetMachine *LLVMTargetMachineRef;
 

src/rustllvm/rustllvm.h

@@ -1,15 +1,11 @@
 #include "llvm-c/BitReader.h"
 #include "llvm-c/Core.h"
-#include "llvm-c/ExecutionEngine.h"
 #include "llvm-c/Object.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/Lint.h"
 #include "llvm/Analysis/Passes.h"
-#include "llvm/ExecutionEngine/ExecutionEngine.h"
-#include "llvm/ExecutionEngine/Interpreter.h"
-#include "llvm/ExecutionEngine/MCJIT.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/LLVMContext.h"