CTL script function cannot be enabled in self build ART on Ubuntu

Hello @yasuo, I build ART myself as well on Xubuntu 24.04 and my cmake is as follows, works well.

cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_TCMALLOC="OFF" -DENABLE_LIBRAW="ON" -DENABLE_MIMALLOC="ON" -DENABLE_OCIO="True" -DENABLE_CTL="True" -DCTL_INCLUDE_DIR=/usr/local/include/CTL'