[PATCH] D23127: [test-suite] Bitcode tests: Update cmake to build driver and halide runtime only once.

[Alina Sbirlea via llvm-commits]

asbirlea added a comment.

@mehdi_amini: Do you have any insight into why having a single .bc into a static library is not allowed on OSX and how/if this can be bypassed?
The link error I see is "ar: no archive members specified", which I found comes up if you try something like adding a single header into a static library and force it to use CXX linker language, just like I did for the .bc. 
I haven't found a solution to go around this, and it would be nice to factor out building the halide runtime between all bitcode tests coming from the Halide suite.


https://reviews.llvm.org/D23127