[CMake] Specify byproducts for custom libcxx builds
authorPetr Hosek <phosek@google.com>
Wed, 8 Dec 2021 07:06:12 +0000 (23:06 -0800)
committerPetr Hosek <phosek@google.com>
Wed, 8 Dec 2021 07:14:58 +0000 (23:14 -0800)
commit40028eaf703afdf5e50e05ac601b44501e285a42
treec71c745638d03dd69e742486cdc5b1ad7d5f4c2c
parente166755a691921612274fdad945d3a6b05d00439
[CMake] Specify byproducts for custom libcxx builds

These were removed in bda3f2dd763b06427dd2713aa062e356c9d7bdc6 but
are needed as it turned out for the MSan tests.
compiler-rt/cmake/Modules/AddCompilerRT.cmake