[PATCH 2/5] Enable subdir-objects

Neels Hofmeyr nhofmeyr at sysmocom.de
Mon Apr 25 10:18:03 UTC 2016

See my mail from 17th Feb Cc'd to openbsc@, where I ask autoconf about the
weird dirs showing up when subdir-objects is used, answered by Eric Blake of

> On Thu, Jan 14, 2016 at 02:40:38PM +0100, Neels Hofmeyr wrote:
>> Dear autoconf,
>> I am observing a bug with `autoreconf -i`.
>> To my/our knowledge, this is not due to an error in
>> our configuration but a genuine bug from 'subdir-objects'.
>> The symptom: after running ./configure, I find a directory
>>   src/tests/\$(top_srcdir)

This is a known automake bug, not caused by autoconf; that may explain
why you haven't seen much response on the autoconf list, but I don't
know if there are any active maintainers on the automake list that have
suggestions on how to work around it, or on when a fixed automake will
be available (or if it is already available).  A quick search found
this, though:

Here is the openbsc@ thread:

So besides creating those weird directories, subdir-objects works AFAIK. We are
currently using subdir-objects in osmo-iuh, libosmo-abis, libosmo-netif and
last but not least libosmocore. (at least on 3G branches)


On Fri, Apr 22, 2016 at 02:38:21PM +0200, Harald Welte wrote:
> Hi Max,
> On Thu, Apr 21, 2016 at 02:35:54PM +0200, msuraev at sysmocom.de wrote:
> > This helps to increase compatibility with newer automake.
> I tried several times to add subdir-objects, but we always had to revert
> these kind of changes, as they broke something.  Don't recall what
> exactly, but I think it was related to either out-of-source builds
> and/or autotest?  Holger?
> -- 
> - Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
> ============================================================================
> "Privacy in residential applications is a desirable marketing option."
>                                                   (ETSI EN 300 175-7 Ch. A6)

- Neels Hofmeyr <nhofmeyr at sysmocom.de>          http://www.sysmocom.de/
* sysmocom - systems for mobile communications GmbH
* Alt-Moabit 93
* 10559 Berlin, Germany
* Sitz / Registered office: Berlin, HRB 134158 B
* Geschäftsführer / Managing Directors: Holger Freyther, Harald Welte
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