Re: Adding an external project to autoconf

[Dan Smithers]

thanks


>> How can I tell autoconf to run the configure without worrying about it?
> 
> AC_CONFIG_SUBDIRS([zlib])
> > will cause zlib/configure to be run if it exists in the source tree.

I had been using
AC_CONFIG_SUBDIRS(zlib dir1 dir2)

I never really worked out whether there is any difference between () and
([]).

>> Also, is there a way of setting up cascading projects that don't perform
>> all the compiler checks for each sub-project?
> 
> Not really (rationale: the sub project would not be usable alone then).
> But you can use -C aka. --cache-file to greatly speed up the sub
> configure scripts.

I think that was the sort of thing that I was looking for.