HP-MPI User's Guide (11th Edition)

Example applications
Appendix A222
Step 2. Copy all files from the help directory to the current writable directory:
% cp $MPI_ROOT/help/* .
Step 3. Compile all the examples or a single example.
To compile and run all the examples in the /help directory, at your
prompt enter:
% make
To compile and run the thread_safe.c program only, at your prompt
enter:
% make thread_safe