None.
Specifies the name or location for the dependency output files that are generated by the -qmakedep or -M option.
For more information about the -qmakedep and -M options, see -qmakedep and -M .
If -MF is not specified, the dependency output file is generated in the current working directory. The file has the same base name as the object file, but with a .u suffix.
If file_path is the name of an existing directory, the generated dependency output file is placed in the specified directory. It will have the same base name as the generated object file, but with a .u suffix. Otherwise, file_path is the name of the generated dependency output file.
For more information, see the Examples section.If the file specified by -MF option already exists, it will be overwritten.
If you specify a single file name for the -MF option when you compile multiple source files, only a single dependency file will be generated. The dependency file contains the make rule for the last file specified on the command line.
xlf -c -qmakedep source.f -MF mysource.u
xlf -c -qmakedep source1.f source2.f -MF /project/deps/
xlf -c -qmakedep source.f -MF deps/mysource.u
xlf -c -qmakedep source.f -o object.o -MF mysource.u