beanz added a comment.

In D66068#1636240 <https://reviews.llvm.org/D66068#1636240>, @jvesely wrote:

> sorry for the delay. I fully understand the need to reduce the number of 
> options. Having always used SHARED_LIBS build I remember weekly shared build 
> breakages.


This is exactly what we want to avoid in the future by simplifying build 
configurations.

> That said, forcing everyone to build one huge library effectively makes debug 
> builds unusable in any practical way.

Nobody is forced to build this. You can run the `check` targets which don't 
include this library in their dependency chain, and you can use the 
`LLVM_DISTRIBUITON_COMPONENTS` option I mentioned earlier to create build and 
install targets that exclude it. We are just including it as part of the `all` 
target, because it is part of building everything. Where I think you and I are 
really disagreeing is that you seem resistant to altering your workflow.

> What is the use-case of one big shared lib that split libraries can't do?

clang-cpp is an installable and shippable library, which is not the use case 
that the split libraries were designed for. Also, since it is a shared library, 
tools can be linked against it to reduce binary distribution sizes (at the cost 
of some runtime performance). It is worth noting that the `BUILD_SHARED_LIBS` 
option is explicitly documented in several places as being for developer use 
only, not for shipping. Which means this is the only supported mechanism for 
shipping clang's logic in a shared library.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66068/new/

https://reviews.llvm.org/D66068



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