libclc: Fix LLVM library linking on Windows

CMake requires library lists on Windows to be split by semi-colons,
rather than the spaces we get from llvm-config. Fix this by a
substitution on Windows.

reviewer: jvesely
Differential Revision: https://reviews.llvm.org/D77162
GitOrigin-RevId: e6bb1d69eccc612e54fd1a0b63ca3dcc84c3a6fa
1 file changed