llvm dev - Oct 2020 - New TableGen backend for debugging

I certainly agree that there are a boatload of CMake options. I haven't even
scratched the surface.

In keeping with your suggestion: Is there a way to tell Ninja to build just one
target machine?


At 10/7/2020 02:58 PM, Nicolai Hähnle wrote:
>Hi Paul,
>
>On Wed, Oct 7, 2020 at 3:33 PM Paul C. Anagnostopoulos via llvm-dev
><llvm-dev at lists.llvm.org> wrote:
>> I'm glad you find it useful. I haven't thought about it being
done as part of the build, nor am I any sort of build guru. What do other people
think?
>
>I think this overloads the build system. Our build configuration is
>already full of really badly documented options (kind of general
>disease of large CMake-using projects), and it removes the developer
>from what's really going on. I think it would be better to
>
>- Teach people how to invoke TableGen manually
>- Teach people how to determine by themselves how TableGen is invoked
>during the build
>
>Teach a person to fish, and all that.
>
>Cheers,
>Nicolai

On Wed, Oct 7, 2020 at 10:53 PM Paul C. Anagnostopoulos
<paul at windfall.com> wrote:
> I certainly agree that there are a boatload of CMake options. I haven't
even scratched the surface.
>
> In keeping with your suggestion: Is there a way to tell Ninja to build just
one target machine?
There's a cmake variable LLVM_TARGETS_TO_BUILD, is that what you mean?

Cheers,
Nicolai
>
>
> At 10/7/2020 02:58 PM, Nicolai Hähnle wrote:
> >Hi Paul,
> >
> >On Wed, Oct 7, 2020 at 3:33 PM Paul C. Anagnostopoulos via llvm-dev
> ><llvm-dev at lists.llvm.org> wrote:
> >> I'm glad you find it useful. I haven't thought about it
being done as part of the build, nor am I any sort of build guru. What do other
people think?
> >
> >I think this overloads the build system. Our build configuration is
> >already full of really badly documented options (kind of general
> >disease of large CMake-using projects), and it removes the developer
> >from what's really going on. I think it would be better to
> >
> >- Teach people how to invoke TableGen manually
> >- Teach people how to determine by themselves how TableGen is invoked
> >during the build
> >
> >Teach a person to fish, and all that.
> >
> >Cheers,
> >Nicolai
>

-- 
Lerne, wie die Welt wirklich ist,
aber vergiss niemals, wie sie sein sollte.

Yes, I guess that's what I have to use. I was hoping I could tell Ninja
rather than having to edit the CMake file. No biggie.

At 10/12/2020 12:31 PM, Nicolai Hähnle wrote:
>On Wed, Oct 7, 2020 at 10:53 PM Paul C. Anagnostopoulos
><paul at windfall.com> wrote:
>> I certainly agree that there are a boatload of CMake options. I
haven't even scratched the surface.
>>
>> In keeping with your suggestion: Is there a way to tell Ninja to build
just one target machine?
>
>There's a cmake variable LLVM_TARGETS_TO_BUILD, is that what you mean?
>
>Cheers,
>Nicolai