-ipath "dirname[;dirname][...]"
The source program contains:
%INCLUDE partlist;
In a Windows environment, the Compiler invocation is:
mfplx source_file -ipath ".;drive:\libr1;drive:\libr2"
In this case, the Compiler searches first for "PARTLIST" in the current working directory, then drive:\libr1, and finally drive:\libr2. If that fails, it searches for "partlist" (lowercase) in the same directories.