[llvm-dev] Building LLVM through Bazel

[David Blaikie via llvm-dev]

On Wed, Aug 15, 2018 at 10:04 AM Chris Lattner <clattner at nondot.org> wrote:

>
>
> > On Aug 14, 2018, at 2:43 PM, David Blaikie via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
> >
> > Yeah - not sure we're quite at the point where LLVM wants to start
> supporting two build systems again (used to be Configure+Make and the CMake
> system, now it's just the Cmake system), but if you want to make it work
> out-of-tree it shouldn't be too difficult (Google does this internally with
> the internal version of Bazel). Writing a short BUILD extension for running
> tblgen should be possible without too much complexity - not sure what
> Tensorflow is doing that makes its solution so complicated, it doesn't seem
> like it should be terribly hard, just a genrule to run tblgen and generate
> the appropriate files from the td files.
>
> Would it be technically possible for cmake to generate bazel files?  If
> so, it seems that that could be a great bridge, and useful to other
> projects as well.
>

/maybe/? It's an interesting thought - not sure I know enough about either
build system to have a very informed opinion here, though.

- Dave


>
> -Chris
>
>
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