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

[Nicolai Hähnle via llvm-dev]

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).

Cheers,
Nicolai




> 
> Best,
> 
> Alex
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