[llvm-dev] LLVM building problem

[David Blaikie via llvm-dev]

+1 to what other folks have already said (reducing the parallel link jobs,
using gold or lld and not binutils/bfd ld) - but also/alternatively/in
addition you can use Split DWARF (there's an LLVM CMake option for this
(just search CMakeCache for "SPLIT" and you should be able to find it))
that'll reduce the link size of debug info binaries.

On Thu, Sep 19, 2019 at 2:24 AM Enrique González via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Dear all,
>
> I'm using a Virtual Machine with Ubuntu 18.04 at VIrtualBox and I'm trying
> to build the LLVM project from https://github.com/llvm/llvm-project.git.
>
> This VM has 6 cores (from an intel core i-7 8th gen), 11GB of RAM and
> 300GB of storage (from a 1TB HDD) at a laptop, this is the model: MSI GS63
> Stealth 8RE.
>
> Then, I'm doing exactly that this tutorial says to build LLVM:
> https://llvm.org/docs/GettingStarted.html
>
> 1) Clone the project from git: "git clone
> https://github.com/llvm/llvm-project.git".
> 2) Use cmake at the build directory: "cmake -G 'Ninja' ../llvm".
> 3) Build the project with ninja: "ninja" (i do not use any flag).
>
> It seems to build well until i reach the final part, where the build try
> to link CXX executables. At this point, the VM freeze and I cannot do
> anything. I also have tried to expand the SWAP memory creating a second
> swap file with 90GB and the VM also freeze.
>
> I have tried this like 20 times and I don't know why this happens, it
> seems impossible to build this project. If you have any suggestions, please
> reply this post.
>
> Thanks in advance.
> _______________________________________________
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> llvm-dev at lists.llvm.org
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>
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