tablegen reruns on clean builds after r330742

[Dean Michael Berris via llvm-commits]

No, I've been doing:

ninja all check-all

or

ninja all check-xray

Versions:

cmake version 3.9.0
ninja 1.8.2


On Wed, May 30, 2018 at 10:41 AM Nico Weber <thakis at chromium.org> wrote:

> That looks reasonably similar to what I have. To confirm, you're basically
> doing `ninja llc` and then `ninja llc` again and you see compiles happening
> on the 2nd build?
>
> What's your `ninja --version`? What happens if you pass `-d explain` to
> the 2nd build? What's your cmake version?
>
> (Works fine for me with ninja 1.8.2, cmake 3.6.0-rc3)
>
> On Tue, May 29, 2018 at 8:13 PM, Dean Michael Berris <dberris at google.com>
> wrote:
>
>> Hi Nico,
>>
>> My last cmake build in my zsh history looks like:
>>
>> cmake -GNinja -DLLVM_ENABLE_PROJECTS='clang;compiler-rt'
>> -DCMAKE_C_COMPILER=clang-5.0 -DCMAKE_CXX_COMPILER=clang++-5.0
>> -DCMAKE_BUILD_TYPE=RelWithDebInfo -DLLVM_USE_SPLIT_DWARF=On
>> -DLLVM_ENABLE_ASSERTIONS=On -DLLVM_USE_LINKER=lld
>> -DCOMPILER_RT_INCLUDE_TESTS=On -DLLVM_ENABLE_SPHINX=On
>> -DSPHINX_WARNINGS_AS_ERRORS=On -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DC
>> MAKE_EXPORT_COMPILE_COMMANDS=ON ../llvm-project/llvm
>>
>> I don't necessarily think there's anything special here other than, I'm
>> using the monorepo:
>>
>>
>> http://llvm.org/docs/GettingStarted.html#for-developers-to-work-with-a-git-monorepo
>>
>> Cheers
>>
>> On Wed, May 30, 2018 at 5:34 AM Nico Weber <thakis at chromium.org> wrote:
>>
>>> Hi Dean and Tim,
>>>
>>> I'm not subscribed to llvm-commits, so I didn't see your comments
>>> re r330742 until just now, apologies. (Thanks to Chandler for reverting in
>>> the meantime!)
>>>
>>> I didn't see this behavior locally, so I'd like to request some more
>>> information. Which cmake generator are you using? Can you maybe post the
>>> exact cmake and build commands you use to build llvm?
>>>
>>> Thanks,
>>> Nico
>>>
>>
>
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