[cfe-dev] Linking libclang.dll out of memory with MSVC

[Zachary Turner via cfe-dev]

Actually I guess it's not up to CMake to make it the default.  It's up to
me to run vcvarsall.bat amd64_x86

On Fri, Jan 22, 2016 at 8:34 AM Zachary Turner <zturner at google.com> wrote:

> Yes I'm building for 32 bits.  I'm aware of x64 -> x86 cross toolchain.
> Should we consider making that the default toolchain for 32-bit targets
> across all of LLVM?
>
> On Fri, Jan 22, 2016 at 1:21 AM John Sully <john at csquare.ca> wrote:
>
>> Are you building for 32-bits?  By default that uses the 32-bit toolchain
>> and you're likely running out of address space - especially if you use
>> LTCG.  You can build with the 64-bit compiler (and still output 32-bits)
>> which should fix your issue.
>>
>> More information can be found here:
>> https://support.microsoft.com/en-us/kb/2891057
>>
>> On Thu, Jan 21, 2016 at 5:49 PM, Zachary Turner via cfe-dev <
>> cfe-dev at lists.llvm.org> wrote:
>>
>>> For at least a couple of months now, I have been seeing intermittent out
>>> of memory errors when linking libclang.dll with MSVC.  I've seen this on
>>> buildbots as well as my local workstation which has 64GB of memory.  I've
>>> seen it with MSVC 2013 as well as MSVC 2015 Update 1.
>>>
>>> Does anyone know what might have gone into cause this?  It's brought
>>> down the LLDB buildbot pretty much permamently as all builds are now
>>> failing with this.
>>>
>>> At first it was happening only intermittently much like it happens on my
>>> local workstation, but now that it's surfacing more often, I feel like it's
>>> worth investigating.
>>>
>>> First question: Is anyone else seeing this when building with MSVC?
>>> Second question: Any ideas what might have happened in the past couple
>>> months to trigger this or how to go about tracking down the cause?
>>>
>>> _______________________________________________
>>> cfe-dev mailing list
>>> cfe-dev at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>>
>>>
>>
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