This happens because CMake doesn't like libraries that include only header files. We have added a dummy .cc file to all of those, which makes all compilers except for Clang on Mac happy. Clang on Linux does not have any issues with it.
This happens because CMake doesn't like libraries that include only header files. We have added a dummy .cc file to all of those, which makes all compilers except for Clang on Mac happy. Clang on Linux does not have any issues with it.