[libcxx-commits] [PATCH] D68880: [libc++] Use generator expression in Linker script generation

Fri Oct 11 14:04:29 PDT 2019

phosek added a comment.

In D68880#1706543 <https://reviews.llvm.org/D68880#1706543>, @phosek wrote:

> In D68880#1706330 <https://reviews.llvm.org/D68880#1706330>, @ldionne wrote:
>
> > @phosek Can you please confirm this also fixes your issue in the Runtimes build?
>
>
> I got the following error:
>
>   Error evaluating generator expression:
>   
>     $<TARGET_EXISTS:unwind_shared>
>   
>   Expression did not evaluate to a known generator expression
>   

It seems like `TARGET_EXISTS` was only introduced in CMake 3.12 but I have 3.10 on my workstation. I'll try to upgrade my CMake and try again, but this may prevent us from rolling this out to LLVM which is still requiring 3.4.

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D68880/new/

https://reviews.llvm.org/D68880