I am using PostGIS 2.5.4 on PostgreSQL 12.4 under macOS 10.13 environment. Although GDAL version 2.4 is already installed in "/Library/Frameworks/GDAL.framework/Versions", the query
"GDAL 2.0.1, released 2015/09/15 GDAL_DATA not found"
How can I point PostGIS to the proper version of GDAL? And, incidentally, should the "GDAL_DATA not found" message be fixed and how?