Looks like in the last couple of commits a file was renamed, but the cmake was not updated: https://github.com/Silimate/vcd2fst/blob/29da9a8da43c0ec09a8d378818c23abe48069129/CMakeLists.txt#L42
Looks like in the last couple of commits a file was renamed, but the cmake was not updated:
vcd2fst/CMakeLists.txt
Line 42 in 29da9a8