fix the compiler error so it builds with latest clang (commit 8444ae7cfeaefae031f8fedf0d1435ca3b14d90b)

Example.cpp

@@ -104,21 +104,21 @@ class ExampleASTConsumer : public ASTConsumer {
 
 class ExampleFrontendAction : public ASTFrontendAction {
 public:
-    virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI, StringRef file) {
-        return new ExampleASTConsumer(&CI); // pass CI pointer to ASTConsumer
+    virtual std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI, StringRef file) {
+        return std::unique_ptr<ASTConsumer>(new ExampleASTConsumer(&CI)); // pass CI pointer to ASTConsumer
     }
 };
 
 
-
 int main(int argc, const char **argv) {
     // parse the command-line args passed to your code
-    CommonOptionsParser op(argc, argv);        
+    static cl::OptionCategory MyToolCategory("My tool options");
+    CommonOptionsParser op(argc, argv, MyToolCategory);        
     // create a new Clang Tool instance (a LibTooling environment)
     ClangTool Tool(op.getCompilations(), op.getSourcePathList());
 
     // run the Clang Tool, creating a new FrontendAction (explained below)
-    int result = Tool.run(newFrontendActionFactory<ExampleFrontendAction>());
+    int result = Tool.run(newFrontendActionFactory<ExampleFrontendAction>().get());
 
     errs() << "\nFound " << numFunctions << " functions.\n\n";
     // print out the rewritten source code ("rewriter" is a global var.)

Makefile

@@ -10,7 +10,7 @@ LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
 
 USEDLIBS = clangFrontend.a clangSerialization.a clangDriver.a \
            clangTooling.a clangParse.a clangSema.a \
-           clangAnalysis.a clangRewriteFrontend.a clangRewriteCore.a \
+           clangAnalysis.a clangRewriteFrontend.a clangRewrite.a \
 	   clangEdit.a clangAST.a clangLex.a clangBasic.a
 
 include $(CLANG_LEVEL)/Makefile

run_example.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
-LLVM_DIR=~/static_analysis/llvm/  #the location of your llvm dir
-$LLVM_DIR/Debug+Asserts/bin/example test.c -- 
+LLVM_DIR=~/build_llvm  #the location of your llvm dir
+$LLVM_DIR/Release+Asserts/bin/example test.c --