[cfe-dev] Building Clang on Windows

[Nico Weber via cfe-dev]

Are you building debug or release? If debug, try building release.

On Wed, Oct 3, 2018 at 3:18 PM Fábio Picchi via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> Yes, I did pass the option *-Thost=x64 *to cmake. Also, I am trying to
> compile clang on Visual Studio 2017 and my PC has 8GB of RAM. Finally, I
> didn't have anything running during the build.
>
> On Wed, Oct 3, 2018 at 3:19 PM Stephan T. Lavavej <
> stl at exchange.microsoft.com> wrote:
>
>> Did you use the 64-bit hosted compiler? (I think Clang's instructions
>> should be rewritten to assume VS 2017 and 64-bit hosting, instead of saying
>> it's optional.)
>>
>>
>>
>> STL
>>
>>
>>
>> *From:* cfe-dev <cfe-dev-bounces at lists.llvm.org> *On Behalf Of *Fábio
>> Picchi via cfe-dev
>> *Sent:* Wednesday, October 3, 2018 9:56 AM
>> *To:* cfe-dev at lists.llvm.org
>> *Subject:* [cfe-dev] Building Clang on Windows
>>
>>
>>
>> Hello everyone,
>>
>>
>>
>> This week I tried to use clang on my windows setup and was very happy to
>> see how the site invited people to get involved and contribute to the
>> project.
>>
>>
>>
>> With this in mind I tried to build clang following the instructions here
>> <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fclang.llvm.org%2Fget_started.html&data=02%7C01%7Cstl%40exchange.microsoft.com%7Cf5b43d9b24cc41afcf8108d629512a61%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636741825921297608&sdata=vjX9cIbH21gM5nj8Or2rEv5QLmub74e3I7kiXQdR%2BbU%3D&reserved=0>
>> and everything went fine until I actually tried to compile the *clang*
>> project using visual studio. I got a *compiler is out of heap space*
>> error which surprised me as I had previously built big projects such as the
>> Dolphin Emulator without a problem.
>>
>>
>>
>> I detailed some of my failed attempts to fix this issue in this SO
>> question
>> <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F52628064%2Fbuilding-clang-on-windows-memory-usage&data=02%7C01%7Cstl%40exchange.microsoft.com%7Cf5b43d9b24cc41afcf8108d629512a61%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636741825921297608&sdata=Lc37LhErZm5eU%2Fpcp45qmVeynBLKklcjuhR%2F5fNejf0%3D&reserved=0>.
>> Do you have any suggestions?
>>
>>
>>
>> Best regards,
>>
>> Fabio Picchi
>>
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