Summary:
This patch is provided in preparation for removing autoconf on 1/26. The proposal to remove autoconf on 1/26 was discussed on the llvm-dev thread here: http://lists.llvm.org/pipermail/llvm-dev/2016-January/093875.html

    "This is the way [autoconf] ends
    Not with a bang but a whimper."
    -T.S. Eliot

Reviewers: chandlerc, grosbach, bob.wilson, echristo

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D16472

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@258862 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@218942 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@217168 91177308-0d34-0410-b5e6-96231b3b80d8

Replaced 'jit' link component with 'mcjit'.
Updated the required libraries.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@217033 91177308-0d34-0410-b5e6-96231b3b80d8

This reinstates r215113.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216986 91177308-0d34-0410-b5e6-96231b3b80d8

Returning a std::unique_ptr is more constrained. Thanks to David Blaikie for the
suggestion.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215979 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215968 91177308-0d34-0410-b5e6-96231b3b80d8

This reverts commit 215113 to match the reversion in llvm.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215156 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215113 91177308-0d34-0410-b5e6-96231b3b80d8

We don't support loading COFF files yet.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213893 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213881 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213879 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213869 91177308-0d34-0410-b5e6-96231b3b80d8

The rewrite facility's footprint is small so it's not worth going to these
lengths to support disabling at configure time, particularly since key compiler
features now depend on it.

Meanwhile the Objective-C rewriters have been moved under the
ENABLE_CLANG_ARCMT umbrella for now as they're comparatively heavy and still
potentially worth excluding from lightweight builds.

Tests are now passing with any combination of feature flags. The flags
historically haven't been tested by LLVM's build servers so caveat emptor.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213171 91177308-0d34-0410-b5e6-96231b3b80d8

I checked this with Release+Asserts on x86_64-mingw32. Please restore partially if this were overkill.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213064 91177308-0d34-0410-b5e6-96231b3b80d8

This flag is set by most other tools and avoids extra stat() calls. The
frontend will diagnose anyway as it performs the check atomically while opening
files at point of use.

We could probably make Driver::CheckInputsExist default to false and only
enable it in the main 'clang' binary, or even better only perform the checks if
we know the tool is external but that needs more thought.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@212585 91177308-0d34-0410-b5e6-96231b3b80d8

Update the strategy in r212083 to try JIT first and otherwise fall back to the
interpreter. This gives the best of both worlds and still builds fine with no
targets enabled.

Requires supporting changes from LLVM r212086.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@212087 91177308-0d34-0410-b5e6-96231b3b80d8

Fixes the build when no targets are selected, or no native target is built.

This also better matches up with the description/title of the example and
demonstrates how clang can be used to run C++ on constrained environments
without file IO or executable memory permissions (e.g. iOS apps).

A comment is added explaining how to extend the demo with JIT support as
needed.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@212083 91177308-0d34-0410-b5e6-96231b3b80d8

All callers were passing in "a.out" or garbage so a sensible default works fine
here as a cleanup.

This also brings about the possibility of adapting the value based on the
driver's compatibility mode in future.

The setting can still be changed via Driver::DefaultImageName as needed.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208926 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@203390 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@203389 91177308-0d34-0410-b5e6-96231b3b80d8

Replace OwningArrayPtr with std::unique_ptr<T[]>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@203388 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196916 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196915 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193032 91177308-0d34-0410-b5e6-96231b3b80d8

This moves the code to Job.cpp, which seems like a more natural fit,
and replaces the "is this a JobList? is this a Command?" logic with
a virtual function call.

It also removes the code duplication between PrintJob and
PrintDiagnosticJob and simplifies the code a little.

There's no functionality change here, except that the Executable is
now always printed within quotes, whereas it would previously not be
quoted in crash reports, which I think was a bug.

Differential Revision: http://llvm-reviews.chandlerc.com/D1653

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190620 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184945 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184915 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184090 91177308-0d34-0410-b5e6-96231b3b80d8

The big changes are:
- Deleting Driver/(Arg|Opt)*
- Rewriting includes to llvm/Option/ and re-sorting
- 'using namespace llvm::opt' in clang::driver
- Fixing the autoconf build by adding option everywhere

As discussed in the review, this change includes using directives in
header files.  I'll make follow up changes to remove those in favor of
name specifiers.

Reviewers: espindola

Differential Revision: http://llvm-reviews.chandlerc.com/D975

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183989 91177308-0d34-0410-b5e6-96231b3b80d8

line and the library dependencies to reflect this.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177972 91177308-0d34-0410-b5e6-96231b3b80d8

Also, it was the only reason that `argc` and `argv` were being passed
into createDiagnostics, so remove those parameters and clean up callers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172945 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172664 91177308-0d34-0410-b5e6-96231b3b80d8

brought into 'clang' namespace by clang/Basic/LLVM.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172323 91177308-0d34-0410-b5e6-96231b3b80d8

reflect the migration in r171366.

Re-sort the #include lines to reflect the new paths.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171369 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169241 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168705 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166510 91177308-0d34-0410-b5e6-96231b3b80d8

This is similar to how we divide up the StaticAnalyzer libraries to separate
core functionality to what is clearly associated with Frontend actions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163050 91177308-0d34-0410-b5e6-96231b3b80d8

express library-level dependencies within Clang.

This is no more verbose really, and plays nicer with the rest of the
CMake facilities. It should also have no change in functionality.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158888 91177308-0d34-0410-b5e6-96231b3b80d8