[PATCH] D35377: [CMAKE] Speedup developer builds when passing LLVM_APPEND_VC_REV = OFF

[Rafael Avila de Espindola via llvm-commits]

don hinton <hintonda at gmail.com> writes:

> On Tue, Jul 18, 2017 at 3:10 PM, Rafael Avila de Espindola <
> rafael.espindola at gmail.com> wrote:
>
>> Without this patch I get:
>>
>> % ninja bin/llvm-mc
>> ninja: no work to do.
>>
>> But with it there is always
>>
>> % ninja bin/llvm-mc
>> [4/1/1] Generating force_version_inc_check
>>
>> Is this really necessary?
>>
>
> I've fixed this when LLVM_APPEND_VC_REV = OFF, and toggling from ON -> OFF
> and OFF -> ON works correctly.

I think I hit this with LLVM_APPEND_VC_REV = OFF. I will do a clean
build to check.

Cheers,
Rafael