problem in using -j with make

I have a make file that is causing me a problem when I try to use the -j option to speed things up. Here is a simplified version of it that shows my problem. ### Makefile all:a b c d e touch all a b c d e: script.5files

Re: problem in using -j with make

Title: Oracle Signature I think you are misunderstanding what this syntax means: a b c d e:     some_command This does not indicate that 'some_command' will produce all of these targets.  Rather, it is short hand for this: a:     some_command b:     some_command c:     some_command d: