Hi Users:
I just wanted to share a Votca compilation problem and solution I
encountered recently. When running the build.sh script, as described here
(https://github.com/votca/csg/wiki/Installing#from-source), I encountered
this error:
[snip]
cleaning tools
buidling tools
Scanning dependencies of target votca_tools_manpages
[ 0%] Built target votca_tools_manpages
Scanning dependencies of target intel
Scanning dependencies of target gitversion
Current git revision is 7ca4a6d
[ 0%] Built target gitversion
Scanning dependencies of target votca_tools
[ 2%] Creating directories for 'intel'
[ 4%] Performing download step (download, verify and extract) for 'intel'
[ 7%] -- downloading...
src=
'http://software.intel.com/sites/default/files/managed/76/8c/intel-mkl-and-boost-example.zip'
dst=
'/p/home/elderr/src/votca/src/tools/intel/src/intel-mkl-and-boost-example.zip'
timeout='none'
[ 9%] Building CXX object src/libtools/CMakeFiles/votca_tools.dir/
datacollection.cc.o
CMake Error at intel-stamp/download-intel.cmake:9 (file):
file DOWNLOAD HASH mismatch
for file: [/p/home/elderr/src/votca/src/tools/intel/src/intel-mkl-and-
boost-example.zip]
expected hash: [b957ee63a2167ad21b650b47726cd55c]
actual hash: [d41d8cd98f00b204e9800998ecf8427e]
make[2]: *** [intel/src/intel-stamp/intel-download] Error 1
make[1]: *** [CMakeFiles/intel.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[snip]
Basically CMake failed because the hashes on
intel-mkl-and-boost-example.zip did not match -- the reason being that the
downloaded intel-mkl-and-boost-example.zip was a zero byte file! I have no
idea why; perhaps some obscure problem on our machine. I don't know CMake
well enough, but it seems to be running with multiple threads -- maybe a
race condition on download vs. hash? Just speculation.
Anyway I solved this by downloading the 'src' file from
http://software.intel.com manually and putting it in the required location
('dst'). Then I reran the build script, it picked up where it left off and
completed without a problem.
Hopefully that helps someone. Thanks for this great tool!
-Robert Elder
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