Re: How do you work with subdirectory in GNUstep GNUmakefiles?

[Richard Frith-Macdonald]

On 3 Jul 2006, at 07:21, Lloyd Dupont wrote:

> (NOTE: I have this problem with MinGW on Windows)
>
> My code span 2 directories:
> "./"
> "./ImportExport"
>
> Now I could declare all my file in GNUmakefile's variable: "MyTool- 
> ObjC_OBJC_FILES"
>
> But when it comes to compile file in the subdirectory: "./ 
> ImportExport"
> I get an error:
> +-----------------------------------------+
> ImportExport/MyObject.m:86: fatal error: opening dependency file  
> shared_obj/ImportExport/MyObject.d: No such file or directory
>
> +-----------------------------------------+
>
> I could fix it manually by creating the directory: "./shared_obj/ 
> ImportExport/"
> Or by creating a target: "requiredDirs" and calling "make  
> requiredDirs", but it would be nice to have the (default) target  
> "all" create it.
> How do I do that?

If you are putting code in subdirectories, each subdirectory should  
be handled as a subproject.
You list the subprojects in the SUBPROJECTS variable of the top level  
makefile, and include aggregate.make to get the make system to use  
that information.
The subprojects are built in the order that they are listed in  
SUBPROJECTS

If you just want code from a subdirectory incorporated into a library  
built at a higher level, you can add
libraryname_SUBPROJECT=subdirectory
to the higher level makefile.
See the gnustep base makefiles for an example of including the  
Additions, and unix or win32 subprojects into the base library.