Re: test/Makefile.am: required file `gnuscripts/compile' not found

[Adam Mercer]

On Wed, Dec 30, 2009 at 21:37, Ralf Wildenhues <address@hidden> wrote:

Ralf

> The rules generated by Automake may or may not need to use the -c and -o
> options at the same time.  This depends upon a few internal details:
> whether the subdir-objects option is used, whether objects need to be
> renamed due to per-target compile flags, etc.

I'm not using any of these.

> Even in packages where the `compile' script is not deemed necessary, the
> rules might use '-c -o' if configure determined that GCC is used; that
> compiler is always assumed to allow this option combination.

Thanks for the explanation

> I cannot see anything in the Makefile.am that would need -c -o.
>
> Note that for library dependencies that apply to all programs in a
> makefile you can use the "global" LDADD variable, which may allow you to
> remove most if not all of those per-target *_LDADD settings.

That's something I've been meaning to do for a while, but there have
been more pressing matters to attend to.

> Note further that the default set of sources for a program foo is foo.c
> (and Automake 1.11+ allows you to change the default source file
> extension to, say, .cpp, too), so you don't need to explicitly set most
> of those *_SOURCES variables either.

Good point, thanks that'll make it much simpler.

>> PS: I simple solution would be to just put an appropriate version of
>> the compile script in the gnuscripts but I would like to understand
>> why it is needed in this case, and not in others.
>
> Sure.  Hope this helps.

Thanks for the help. I'll make those simplifications.

Cheers

Adam