Re: parallel build issues

[Bob Friesenhahn]

On Mon, 21 Jun 2021, Werner LEMBERG wrote:
> Now I want to do better :-) However, the problem persists:
> `ttfautohintGUI` gets built in the `frontend` directory, and there is
> a dependency on the binary in the `doc` directory.  Is there a clean
> solution for that?

A non-recursive build (a single Makefile for everything) is quite 
valuable and avoids such problems.  However, it requires more care to 
construct it.

It may feel more efficient as a developer to cd to a subdirectory in 
order to execute just part of a build, but in my experience this is 
usually a false savings due to a recursive build being more wasteful. 
It is possible to build just part of the software using a 
non-recursive build but it may be confusing unless you add dummy 
target names to make things easier.

It is possible to insert additional dependency lines in Makefile.am so 
software is always built in the desired order, but this approach might 
only work if you always build using the top level Makefile.

Bob
--
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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