[gmx-users] clarification on configuration error: configure: error: conditional "am__fastdepCXX" was never defined.

David van der Spoel spoel at xray.bmc.uu.se
Tue Aug 29 19:25:47 CEST 2006

David Mobley wrote:
> All,
> I'm running into an error when running configure after bootstrap on
> the CVS version of GROMACS 3.3.1. I've previously compiled the release
> version of 3.3 with no problems. The error is this:
> configure: error: conditional "am__fastdepCXX" was never defined.
> This has previously been discussed on the list (below), but I'm a bit
> confused about how to troubleshoot. Looking at my Makefile.am, it is
> clearly older than my configure script, which is the problem this is
> attributed to below. What other problems might cause this?
> Thanks,
> David

have you tried
make distclean
does wonders usually
>> Hi,
>> On Apr 12, 2006, at 9:41 AM, Florian Haberl wrote:
>>>> Does anyone have a clue from what this error is and how it can be
>>>> fixed?
>>> Update your gromacs version to 3.3.1
>>>> configure: error: conditional "am__fastdepCXX" was never defined
>>> Perhaps you have to update your system too, automake and or autoconf
>> That shouldn't be necessary - the automake/autoconf programs are only
>> used to create the configure script (if you are using the CVS
>> version, or if you edit some of the Makefile.am). Once a distribution
>> is created, "configure" is just a (very long) portable bourne shell
>> script.
>> However, configure checks to see if "automake/autoconf" has to be
>> rerun, and if the clock on your system and/or NFS is seriously off it
>> see a Makefile.am that is newer than the "configure" script. The
>> easiest solution in that case is to fix the clock and then unpack the
>> source again.
>> Erik
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David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se

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