[llvm-dev] Disk space and RAM requirements in docs

Nicolai Hähnle via llvm-dev llvm-dev at lists.llvm.org
Tue Apr 30 05:02:40 PDT 2019

On 30.04.19 10:58, Alex Bradbury via llvm-dev wrote:
>> And lastly is there a way to reduce the space consumption by Clang unittests and Tooling tests aside of disabling those?
> Setting -DBUILD_SHARED_LIBS=True will reduce space requirements by
> using shared libraries rather than static libraries. It will impact
> the time taken to run LLVM and Clang tests though, due to greater
> startup time.

Presumably it'll also increase runtime due to ELF interposing requirements.

LLVM_BUILD_LLVM_DYLIB, which builds the large monolithic shared library, 
could be better on that front if symbol visibility is set correctly 
(which I haven't double-checked).


> Best,
> Alex
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Lerne, wie die Welt wirklich ist,
Aber vergiss niemals, wie sie sein sollte.

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