[Users] Is "sudo ln -sf libmpichcxx.so libmpicxx.so" safe?

Ian Hinder ian.hinder at aei.mpg.de
Thu Feb 23 09:56:36 CST 2017

On 23 Feb 2017, at 16:33, 赵志超 <yanyuechuixue at gmail.com> wrote:

> Dear all,
> I am using Scientific Linux 7, and I get an error when I try to building the toolkit:
> "
> /usr/bin/ld: cannot find -lmpicxx
> /usr/bin/ld: cannot find -lmpi
> "
> It seems that the library libmpi is missed, but I have installed mpich and mpich-devel and mpich-autoload. And there exist "libmpichcxx.so" and "libmpich.so".
> So I try to run this command "sudo ln -sf libmpichcxx.so libmpicxx.so" and "sudo ln -sf libmpich.so libmpi.so" and the build has done.
> I want to know if this operation safe? Will it have some harmful effect on the result of EinsteinToolkit?

What optionlist are you using?  There is an sl6.cfg (SL6) and a centos.cfg (CentOS 7) in SimFactory; these list the packages that you need to have installed.  Maybe this would help?

Ian Hinder

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