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Re: [ESPResSo-users] 回复: 回复: 回复: 回复: Problem with installation of espr


From: Jean-Noël Grad
Subject: Re: [ESPResSo-users] 回复: 回复: 回复: 回复: Problem with installation of espresso-4.1.0
Date: Fri, 4 Oct 2019 18:37:08 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

Hi Shawn,

If you do "echo $PYTHONPATH" and get something like "/home/zhsh/.local/lib/python3.6/site-packages:" (note the trailing colon symbol), it means your PYTHONPATH points to both "/home/zhsh/.local/lib/python3.6/site-packages" and "" (an empty string, which is interpreted as the current directory where python is launched). If this is the case, simply modify your .bashrc file as explained in https://github.com/espressomd/espresso/issues/3149#issuecomment-529974793 to fix the PYTHONPATH variable and the Py_Initialize error should disappear.

Best,
JN

On 10/4/19 6:27 PM, Shawn wrote:
Hi JN,

I just tried to use another version of gcc (6.3.1), the result seemed better. But I got an error similar to I posted in July:

[ 58%] Generating code_info.pyx

Fatal Python error: Py_Initialize: can't initialize sys standard streams

Traceback (most recent call last):

  File "/home/zhsh/sourcecode/espresso410/espresso/src/python/espressomd/io/__init__.py", line 17, in <module>

  File "/home/zhsh/sourcecode/espresso410/espresso/src/python/espressomd/io/writer/__init__.py", line 17, in <module>

ValueError: attempted relative import beyond top-level package

/bin/sh: line 1: 72159 Aborted                 (core dumped) /home/zhsh/soft/python3/bin/python3 gen_code_info.py /home/zhsh/sourcecode/espresso410/espresso/src/config/features.def /home/zhsh/sourcecode/espresso410/espresso/build/src/python/espressomd/code_info.pyx

make[2]: *** [src/python/espressomd/code_info.pyx] Error 134

make[1]: *** [src/python/espressomd/CMakeFiles/espressomd_code_info.dir/all] Error 2

make: *** [all] Error 2

and the patch file you uploaded before doesn’t work now. Could you help me to fix this problem?

Thank you very much.

Best,

Shawn

*发件人: *Jean-Noël Grad <mailto:address@hidden>
*发送时间: *2019年10月4日5:52
*收件人: *address@hidden <mailto:address@hidden>
*主题: *Re: [ESPResSo-users] 回复: 回复: 回复: Problem with installation of espresso-4.1.0

Hi,

I'm using cmake 3.10.2 on Ubuntu 18.04 and cmake 3.14.6 on CentOS 7 with

devtoolset 6.

Your FFTW3 error is reproducible on CentOS 7 by doing this: "cmake ..;

mv /usr/include/fftw3.h /usr/include/fftw3.h.bak; make -j12". Not sure

why in your environment cmake detects fftw3.h but not your compiler.

Maybe try this: locate the path to the FFTW3 header file with command

'find /usr/include -name "fftw3.h"', you should get something like

/usr/include/fftw3.h, then only provide the directory name as an include

path for your compiler with 'cmake .. -DCMAKE_CXX_FLAGS="-isystem

/usr/include/"'. It works on my CentOS 7 when I have FFTW3 installed in

another place than the standard /usr/include/fftw3.h (CMake will

complain it can't find FFTW3, but the compiler directly gets the path so

compilation works).

Best,

JN

On 10/4/19 12:18 AM, Shawn wrote:

Hi JN,



After I updated gcc, the Cmake returned a “0” code with the command line

“echo $?” and I didn’t use your patch when I tried to install

espresso-4.1.0. As you mentioned, it might be my espresso directory was

not clean. So I deleted the whole directory, unpacked the package and

rebuilt it again. But error was still there, fftw3.h isn't found.



Anyway, thanks very much JN, and I really appreciate your help. Could

you tell me which version of cmake you use?



Best,



Shawn



*发件人: *Jean-Noël Grad <mailto:address@hidden>

*发送时间: *2019年10月3日16:25

*收件人: *address@hidden <mailto:address@hidden>

*主题: *Re: [ESPResSo-users] 回复: 回复: Problem with installation of

espresso-4.1.0



Hi Shawn,



You won't be able to compile espresso if CMake returns a non-zero error



code. You can show the error code with the command line "echo $?", once



the "cmake .." command has completed ($? is a variable that stores the



error code of the previous command). I do not understand how you were



able to run the compiler when CMake failed: when I reproduce your CMake



error message by renaming the src/python/espressomd/io directory to



src/python/espressomd/io_, the command "make -j12" fails because the



Makefile runs CMake first, sees the error code is 1, and stops.



If you renamed the io directory using my patch from July, please know it



isn't necessary anymore. We found out the source of the issue with



Python standard streams is caused by a malformed export command in the



"${HOME}/.bashrc" file. You can find the explanation and a clean



solution here:



https://github.com/espressomd/espresso/issues/3149#issuecomment-529974793



I'm not sure why fftw3.h isn't found by the compiler given CMake found



it. It could be that you ran "cmake .." in a build directory that still



contained files from a previous build. I has never been an issue for us,



but apparently your CMake program doesn't seem to correctly overwrite



old files. It could be a good idea to always clean your build directory



before attempting a new build. You probably also should replace the



content of /home/zhsh/sourcecode/espresso410/espresso by a fresh copy of



the espresso source code, because src/python/espressomd/io is now either



renamed or missing.



Best,



JN



On 10/3/19 10:15 PM, Shawn wrote:



Hi JN,



Thanks for your help. I've updated my gcc to version 7.3.1 and I can



pass the configuring process. But I got a new error below:







[ 50%] Building CXX object



src/core/cluster_analysis/CMakeFiles/cluster_analysis.dir/ClusterStructure.cpp.o



In file included from



/home/zhsh/sourcecode/espresso410/espresso/src/core/electrostatics_magnetostatics/p3m.hpp:58:0,



                   from



/home/zhsh/sourcecode/espresso410/espresso/src/core/electrostatics_magnetostatics/coulomb_inline.hpp:32,



                   from



/home/zhsh/sourcecode/espresso410/espresso/src/core/bonded_interactions/bonded_coulomb_sr.hpp:36,



                   from



/home/zhsh/sourcecode/espresso410/espresso/src/core/energy_inline.hpp:61,



                   from



/home/zhsh/sourcecode/espresso410/espresso/src/core/pair_criteria/pair_criteria.hpp:22,



                   from



/home/zhsh/sourcecode/espresso410/espresso/src/core/cluster_analysis/ClusterStructure.hpp:23,



                   from



/home/zhsh/sourcecode/espresso410/espresso/src/core/cluster_analysis/ClusterStructure.cpp:19:



/home/zhsh/sourcecode/espresso410/espresso/src/core/electrostatics_magnetostatics/fft.hpp:51:10:



fatal error: fftw3.h: No such file or directory



   #include <fftw3.h>



            ^~~~~~~~~



compilation terminated.



make[2]: ***



[src/core/cluster_analysis/CMakeFiles/cluster_analysis.dir/ClusterStructure.cpp.o]



Error 1



make[1]: ***



[src/core/cluster_analysis/CMakeFiles/cluster_analysis.dir/all] Error 2



make: *** [all] Error 2







It seems that there's something wrong with my fftw library. But I can



install espresso-4.0.2 with fftw successfully. Do you have any



suggestions for solving this problem?



Attached please find the output of cmake.







Best,



Shawn







Jean-Noël Grad <address@hidden



<mailto:address@hidden>> 于2019年10月3日周四 下午12:06写道:







     Hi Shawn,







     I just tried compiling espresso 4.1 on CentOS 7 with CMake 3.14.6



     with a



     C++ standard not recognized by my gcc v6.3.1 and CMake did throw a long



     list of errors messages: "Target ... requires the language dialect



     CXX..



     but CMake does not know the compile flags to use to enable it". The



     return code is 1. I can't figure out why your version of CMake doesn't



     show that error nor display the compiler name and version.







     In any case, you'll need to install a newer version of gcc, version



     4.9.0 or later, to compile espresso 4.1.







     Best,



     JN







     On 10/3/19 6:18 PM, Shawn wrote:



      > Hi JN,



      >



      > My gcc version is 4.8.5, and my cmake version is 3.14.5. So I should



      > update my gcc to newer version?



      >



      > Regards,



      >



      > Shawn



      >



      > *发件人: *Jean-Noël Grad <mailto:address@hidden



     <mailto:address@hidden>>



      > *发送时间: *2019年10月3日11:11



      > *收件人: *address@hidden



     <mailto:address@hidden>



     <mailto:address@hidden



     <mailto:address@hidden>>



      > *主题: *Re: [ESPResSo-users] 回复: Problem with installation of



      > espresso-4.1.0



      >



      > Hi Shawn,



      >



      > It looks like your compiler doesn't know the C++14 standard. For



     example:



      >



      >  > /home/zhsh/sourcecode/espresso/src/utils/include/utils/Vector.hpp:



      >



      >  >   error: parameter declared ‘auto’



      >



      >  >                   [](auto ai, auto bi) { return ai * bi; });



      >



      >  >                           ^



      >



      >  >   error: parameter declared ‘auto’



      >



      >  >                   [](auto ai, auto bi) { return ai * bi; });



      >



      >  >                                    ^



      >



      >  >   error: ‘ai’ was not declared in this scope



      >



      >  >                   [](auto ai, auto bi) { return ai * bi; });



      >



      >  >                                                 ^



      >



      >  >   error: ‘bi’ was not declared in this scope



      >



      >  >                   [](auto ai, auto bi) { return ai * bi; });



      >



      >  >                                                      ^



      >



      > can be reproduced with gcc v4.8.5. Many of the other error



     messages can



      >



      > be reproduced by more recent gcc versions with the C++11 flag. The



      >



      > minimal gcc version needed for espresso 4.1 is v4.9.0. Our build



     system



      >



      > does not check for compiler version numbers, instead it checks the



      >



      > compiler is C++14-capable. I'm not sure why CMake did not fail. Also,



      >



      > the CMake output should have shown a line with the compiler



     version, or



      >



      > the string "The CXX compiler identification is unknown".



      >



      > Could you please share with us your CMake version and gcc



     version? The



      >



      > command lines are "gcc --version" and "cmake --version". If this



     is an



      >



      > issue in CMake, we will have to add a few lines in our build system.



      >



      > Best,



      >



      > JN



      >



      > On 10/3/19 5:22 PM, Shawn wrote:



      >



      >> Hi JN,



      >



      >>



      >



      >> As you mentioned in your reply, I deleted the old folder of 4.0.2,



      >



      >> unpacked the files of  4.1.0 and tried to reinstall the newest



     package,



      >



      >> but the errors still existed during the compilation. Attached



     please



      >



      >> find the output.



      >



      >>



      >



      >> Mainly two problems:



      >



      >>



      >



      >> 1 fatal: Not a git repository (or any of the parent



     directories): .git



      >



      >>



      >



      >> 2 At global scope:



      >



      >>



      >



      >> cc1plus: warning: unrecognized command line option



      >



      >> "-Wno-cast-function-type" [enabled by default]



      >



      >>



      >



      >> make[2]: *** [src/core/CMakeFiles/EspressoCore.dir/cells.cpp.o]



     Error 1



      >



      >>



      >



      >> make[1]: *** [src/core/CMakeFiles/EspressoCore.dir/all] Error 2



      >



      >>



      >



      >> make: *** [all] Error 2



      >



      >>



      >



      >> Could you help me to figure out what’s the reason why I failed ?



      >



      >>



      >



      >> Thank  you very much.



      >



      >>



      >



      >> Best,



      >



      >>



      >



      >> Shawn



      >



      >>



      >



      >> *发件人: *Jean-Noël Grad <mailto:address@hidden



     <mailto:address@hidden>>



      >



      >> *发送时间: *2019年10月2日17:19



      >



      >> *收件人: *address@hidden



     <mailto:address@hidden>



     <mailto:address@hidden



     <mailto:address@hidden>>



      >



      >> *主题: *Re: [ESPResSo-users] Problem with installation of



     espresso-4.1.0



      >



      >>



      >



      >> Hi Shawn,



      >



      >>



      >



      >> The g++ error message is hard to interpret. The include paths



     are wrong,



      >



      >>



      >



      >> there is an extra folder



     /home/zhsh/sourcecode/espresso/src/core/utils



      >



      >>



      >



      >> that shouldn't exist, and the compiler options do not match what



     we have



      >



      >>



      >



      >> in 4.1.0. Could it be that you accidentally unpacked the files



     of the



      >



      >>



      >



      >> 4.1.0 release into the same folder where you unpacked the files



     of the



      >



      >>



      >



      >> 4.0.2 release back in July?



      >



      >>



      >



      >> Best,



      >



      >>



      >



      >> JN



      >



      >>



      >



      >> On 10/2/19 8:47 PM, Shawn wrote:



      >



      >>



      >



      >>> Hello guys,



      >



      >>



      >



      >>> As the newest version of espresso released, I am trying to



     install it on



      >



      >>



      >



      >>> my computer. But I got an fatal error when I tried to compile the



      >



      >>



      >



      >>> package. And I also failed after I ran the "make" command.



      >



      >>



      >



      >>> Attached please find the detailed output of the compilation. I



     have used



      >



      >>



      >



      >>> the same script to install espresso-4.0.2 successfully, but



     I've no idea



      >



      >>



      >



      >>> where these errors come from when I try to install



     espresso-4.1.0. Can



      >



      >>



      >



      >>> someone help me out? Thank you.



      >



      >>



      >



      >>>



      >



      >>



      >



      >>> Best,



      >



      >>



      >



      >>> Shawn



      >



      >>



      >



      >>>



      >



      >>



      >










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