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### Motivatons:

* Faster builds because we can parallelize more if one rootcling invocation doesn't depend on the other.
  * The `G__source.cxx` generation doesn't depend on other `G__dep.cxx`. rootcling could run in parallel before.
  * But modules depend on each other. Module A (depends on B) needs to be generated by rootcling before Module B.
  * Now rootcling can't run in infinite parallel mode but needs to respect this dependency tree.
  * Generating all output files in rootcling is slow. 
* No interpreter garbage in the PCM/PCH like: `input_line_14`
* we want to piggyback on module build system instead of reimplementing it.
  * See CIFactory code when `COpts.ModuleName` is set.

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diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index d812bd8..4f1ea08 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -469,6 +469,7 @@ def arch__errors__fatal : Flag<["-"], "arch_errors_fatal">;
 def arch : Separate<["-"], "arch">, Flags<[DriverOption]>;
 def arch__only : Separate<["-"], "arch_only">;
 def a : Joined<["-"], "a">;
+def autocomplete : Joined<["--"], "autocomplete=">;
 def bind__at__load : Flag<["-"], "bind_at_load">;

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// Example of using the CloneDetector for finding changes in source files.

#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/Analysis/CloneDetection.h"
#include "clang/Tooling/Tooling.h"

#include <iostream>

// Utility class that pushes each declaration in the given TU to
// the CloneDetector instance.

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// Example of using the CloneDetector for finding changes in source files.

#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/Analysis/CloneDetection.h"
#include "clang/Tooling/Tooling.h"

#include <iostream>

// Utility class that pushes each declaration in the given TU to
// the CloneDetector instance.

Teemperor

These double includes weren't handlec by the script. If one of them is actually correct, please comment

Unuccessful typo corrections:9

./math/mathcore/inc/Math/BasicMinimizer.h:
ROOT_Math_MinimizerVariable
ROOT_Math_MinimTransformVariable

./math/mathcore/inc/Math/MinimTransformFunction.h:
ROOT_Math_MinimizerVariable

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#!/usr/bin/env python

from __future__ import print_function
import re, os
import ntpath

# print to stderr...
import sys

def eprint(*args, **kwargs):

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#!/usr/bin/env python

import os, subprocess, shelve, logging, sys, getopt, tempfile, glob, json, hashlib, errno, signal, queue, multiprocessing, threading

module_build_dir = ""
nonmodule_build_dir = ""
needs_profiling = False
jobs = 1

cache_file = "report_cache"