Re: different hosts in subprojects

[Ineiev]

 --- Bernd Jendrissek <address@hidden> wrote: 
[snip]
> With some
> shell / batch file magic I was able to get "./configure
> --host=unknown" to generate a config.h for the DOS / TopSpeed C
> environment, that I then renamed and kept as a precious artifact.
> After another "./configure --host=`config.guess`" my build tree was
> back to native building.

This requires a decent knowledge of Autoconf mechanisms. I am not a wizard;
when I do such things they break.
 
> Luckily for me, TopSpeed C had its own build system, so I just needed
> to tell it (via the FIFOs) to do its equivalent of "make all".  The
> rest of the project, whose $host was equal to $build, was under the
> control of automake.  What sort of build system do you have for the
> ARM and AVR stuff right now?

Just makefiles (the tools are binutils, gcc and avr-libc);
they lack many desirable functions (tar distributions, configure 
programs features and directories, etc); I wanted to use Autotools
in order not to invent so many wheels.
 
> Another data point is GCC, which uses sub-configures to build the
> target libraries.

Thank you. I'll look.
 
> I'm not sure there IS a "right way" to autoconfiscate these sort of
> projects that involve compilers for more than one target.

Well, may be "the most correct way" or even "the way to configure such projects
with something that provides Autoconf functionality".


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