[Pw_forum] make[2]: warning: Clock skew detected. Your build may be incomplete.

[Axel Kohlmeyer]

On Thu, Jul 19, 2012 at 3:21 AM, yqsu <suyaqiong1988 at 163.com> wrote:
> Dear, sir:
>
> When I make the Quantum-Espresso, a problem always appeared in the last ,so
> I want to know a way to solve. The problem list as fllows:
>
> make[2]: warning:  Clock skew detected.  Your build may be incomplete.

this warning indicates that the time stamps on the created
files are newer than your current time. this can happen, if
you are compiling on a NFS file system where the clock of
the file server and the compilation host are not synchronized
and the clock on the file server is ahead of the compilation
host. you should talk to you system administrator and
suggest to install/configure NTP software to synchronize
the clocks across the cluster.

cheers,
     axel.


>
> make[2]: Leaving directory `/export/home1/yqsu/espresso-4.3.2/TDDFPT/src'
>
> make[2]: Entering directory `/export/home1/yqsu/espresso-4.3.2/TDDFPT/tools'
>
> make[2]: Warning: File `../../make.sys' has modification time 1.3e+04 s in
> the future
>
> test -n "" && ( cd ../.. ; make -w  || exit 1) || :
>
> gfortran -O3 -g -x f95-cpp-input -D__GFORTRAN -D__STD_F95 -D__FFTW
> -I../../include -I../../iotk/src -I../../Modules -I. -c
> tddfpt_calculate_spectrum.f90
>
> gfortran -g -o turbo_spectrum.x \
>
> tddfpt_calculate_spectrum.o ../../Modules/libqemod.a ../../PW/libpw.a
> ../../flib/ptools.a ../../flib/flib.a ../../clib/clib.a
> ../../iotk/src/libiotk.a
> /export/home1/yqsu/espresso-4.3.2/lapack-3.2/lapack.a
> /export/home1/yqsu/espresso-4.3.2/BLAS/blas.a
>
> ( cd ../../bin ; ln -fs ../TDDFPT/tools/turbo_spectrum.x . )
>
> if [ -d ../bin ] ; then  ( cd ../bin ; ln -fs ../tools/turbo_spectrum.x . );
> fi
>
> make[2]: warning:  Clock skew detected.  Your build may be incomplete.
>
> make[2]: Leaving directory `/export/home1/yqsu/espresso-4.3.2/TDDFPT/tools'
>
> make[1]: Leaving directory `/export/home1/yqsu/espresso-4.3.2/TDDFPT'
>
> make: warning:  Clock skew detected.  Your build may be incomplete.
>
> Thank you for your suggestion !
>
> Best wishes !
>
> Su Yaqiong
>
>
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-- 
Dr. Axel Kohlmeyer  akohlmey at gmail.com  http://goo.gl/1wk0
International Centre for Theoretical Physics, Trieste. Italy.