Re: Unable to make -q

[Simon Josefsson]

Rob Napier <address@hidden> writes:

> I have a large build system that includes several third party autoconf
> libraries. To get everything on place I call "make install" on all the
> subprojects. That copies (and touches) the include files even if there has
> been no changes. That causes the downstream build to rebuild a lot of
> things.
>
> I was using make -q to find out of I needed to do the sub-make before
> running it. I've worked around the problem using find -newer on the build
> tree.

Thanks for explaining.  Makes sense.  And libidn is the only
autoconf-project you have noticed this for?  Is there a "maint.mk" in
any of the other projects, suggesting they also use gnulib's
maintainer-makefile?  I'm trying to pin-point whether gnulib is the
source of the problems or not.

/Simon

> Rob
>
> On Thursday, August 11, 2011, Simon Josefsson <address@hidden> wrote:
>> Rob Napier <address@hidden> writes:
>>
>>> Thanks. My initial testing suggests it may be on rebuild. It'll often
> work
>>> the first time, and then fail the next time I try.
>>
>> Yes, I don't understand why it happens either.  The error codes are not
>> helpful in understanding the reason either.  Hopefully someone on the
>> gnulib list will have some ideas...
>>
>> Btw, what are you using 'make -q' for?
>>
>> /Simon
>>
>>> -Rob
>>>
>>> On Wed, Aug 10, 2011 at 5:38 PM, Simon Josefsson <address@hidden
>>wrote:
>>>
>>>> Rob Napier <address@hidden> writes:
>>>>
>>>> > In libidn-1.22, I am unable to use "make -q" to determine if it's
> already
>>>> > built. I haven't been able to determine yet what's causing this error
>>>> (exit
>>>> > code=2). I've reproduced it on Linux and Mac so far.
>>>>
>>>> Hi Rob!  Thanks for the report.  I can reproduce the problem, but I have
>>>> no idea why it happens.  If you are someone else has some ideas or can
>>>> debug this further, that would be great.
>>>>
>>>> Meanwhile, I have asked on the gnulib list because it seems the problem
>>>> is more widespread than just within libidn and I suspect gnulib is
>>>> involved.  See post at:
>>>>
>>>> http://permalink.gmane.org/gmane.comp.lib.gnulib.bugs/27873
>>>>
>>>> Thanks,
>>>> /Simon
>>>>
>>