mstorsjo added a comment.

In D101479#2740895 <https://reviews.llvm.org/D101479#2740895>, @phosek wrote:

> On other platforms the decision whether to use static or shared is controlled 
> by `-static-libstdc++`, does CL have a similar flag or shall we support 
> `-static-libstdc++` in MSVC driver as well?

Hmm, well contrary to how `-static-libstdc++` works otherwise (you only need it 
while linking), you'd need to define `-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS` 
everwhere when compiling, if libc++ defaults to DLL linkage but you'd want to 
use a static version instead.

Repeating the question - does the driver really need to know or care? Thanks to 
the autolinking directive in libc++ headers, the driver shouldn't need to 
explicitly link against the libc++ library at all?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101479/new/

https://reviews.llvm.org/D101479

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