RE: How to execute targets in Makefile-A from Makefile-B?

[Dave Korn]

On 15 November 2007 16:13, Jeremy Conlin wrote:

> I have the file structure as shown below.  B.cpp includes A.h so
> whenever I compile B.cpp, I want to check if A.h and A.cpp have been
> updated and compile them if necessary.  I could create a target in
> Makefile-B that would recompile A.cpp if needed, but this target
> already exists in Makefile-A.  Is there anyway I could just execute
> the target in Makefile-A when my target in Makefile-B finds a need to
> update it?

> RootDir/
>    PartA/
>        Makefile-A
>        A.cpp
>        A.h
>    PartB/
>        Makefile-B
>        B.cpp
>        B.h
>    PartC/
>        Makefile-C
>        C.cpp
>        C.h

  You need to read the classic paper "Recursive Make considered harmful",
available from http://aegis.sourceforge.net/auug97.pdf, to really appreciate
the problems you're going to run into here.

    cheers,
      DaveK
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