Re: GNUmakfiles - sources must be in project's root?

[Richard Frith-Macdonald]

On 26 Aug 2009, at 10:31, Juergen Lorenz Simon wrote:

> Hi,
>
> I'm trying to shoehorn GNUstep onto an existing project. During the  
> creation of the GNUstep makefile (originally I had the luxury of  
> cmake), I found I could not add sources like this:
>
> foo_OBJC_FILES = src/App/main.mm \
>         src/App/Protocol.mm \
>         ...
>
> The result in calling make -f GNUmakefile is:
>
> This is gnustep-make 2.2.0. Type 'make print-gnustep-make-help' for  
> help.
> Making all for objc_program foo...
> make[2]: *** No rule to make target `obj/src/App/main.mm', needed by  
> `obj/foo'.  Stop.
>
> The question is: how do I add sourcefiles, which are organized in  
> several subdirectories, to the GNUmakefile without having to create  
> subprojects or reorganize the project layout? I perused the GNUstep  
> module and application sources, I can't seem to find example.

I think the short answer is "you don't" ... that's what subprojects  
are for.  There's probably a way to do it, but part of what makes  
gnustep-make so simple and easy to use is conforming to the well  
defined and consistent patterns it uses.