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

David Mobley dmobley at gmail.com
Tue Aug 29 19:23:25 CEST 2006


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?



>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

>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.


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