[llvm-dev] Building clang in llvm-3.7 on Linux with RT support enabled

[Chris Bieneman via llvm-dev]

Unfortunately you’ll need to either modify the LLVM build system to build it, or you’ll need to build it yourself by hand. We don’t currently support building the blocks runtime.

I’m guessing the Docs are about 3 years out of date.

You can feel free to file a bug at https://llvm.org/bugs/ <https://llvm.org/bugs/>, but I don’t know when it will be addressed, ant it is unlikely we will back port it to 3.7.

-Chris

> On Sep 29, 2015, at 11:24 AM, David Lobron <dlobron at akamai.com> wrote:
> 
> Hi Chris and Alex,
> 
> Many thanks for these replies.  
> 
>> I dug a little deeper into the history here. It looks like the blocks runtime hasn’t built in the CMake build system in a long time, and I don’t think it has ever been supported in the autoconf system.
>> 
>> Support for building it with CMake was removed in April 2012 along with the old CMake build system (r154059) because it was broken. The old CMake support could probably be used as a base for bringing it back, but I would caution that you’re wading into seriously uncharted territory.
> 
> Is there an alternative build method I could use in order to create the blocks runtime on Linux?  The docs seemed to recommend cmake ('cmake -G "Unix Makefiles" ../llvm'), but I'd be more than glad to try another way.  I think blocks are required for GNUstep, since it's an Objective-C runtime.
> 
> Thanks,
> 
> David

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