To workaround this the foo: baz can be modified to include a useful command:
foo: baz ; @true
and the correct results will be generated.
Conclusion
This is a simple technique that can provide useful information from the Make. It isn't as flexible as some commercial tools that can provide detailed information about the commands run, and even timing information, but as a Makefile debugging aid it's simple to implement and provides insight that hard to obtain otherwise.
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About the author
John Graham-Cumming is Co-Founder at Electric Cloud, Inc . Prior to joining Electric Cloud, John was a Venture Consultant with Accel Partners, VP of Internet Technology at Interwoven, Inc. (IWOV), VP of Engineering at Scriptics Corporation (acquired by Interwoven), and Chief Architect at Optimal Networks, Inc. John holds BA and MA degrees in Mathematics and Computation and a Doctorate in Computer Security from Oxford University. John is the creator of the highly acclaimed open source POPFile project. He also holds two patents in network analysis and has others pending.
