Whilst Bit::Vector is available as a Debian package in libbit-vector-perl , when installing it using cpanm the compile failed for me. The installation crashed during the make stage, throwing a specific compiler error regarding false and true tokens: Failure Output: Building Bit-Vector-7.4 … cc -c -D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -O2 -DVERSION="7.4" -DXS_VERSION="7.4" -fPIC…