Previously it would use a hardcoded location where the AMD driver installs it, but Linux distributions may use other locations. Now look for both cases.
The HIP Extension Wrangler Library (HIPEW) is a cross-platform open-source C/C++ library to dynamically load the HIP library. HIP (Heterogeneous-Compute Interface for Portability) is an API for C++ programming on AMD GPUs. It is maintained as part of the Blender project, but included in extern/ for consistency with CUEW and CLEW libraries. LICENSE HIPEW is released under the Apache 2.0 license.