Hello Ming,
OK, So the coot build doesn't build everything it needs from scratch -
it relies on the system for some libraries. One of those libraries is
libpng. Tell us about the version of libpng that you have installed.
$ rpm -q libpng
Now do a rpm -ql on the result, something like:
$ rpm -ql libpng-1.5.13-8.el7.x86_64
Your message about elf class makes me suspect that you have linked the
wrong library. I have not heard before of a directory /bin/lib.
So, lets' go back. Without making library links, what does:
$ coot --check-libs
say?
Paul.
On 28/02/2021 14:42, Ming Sun wrote:
Hi Bill and Paul
Thanks for the messages. However, I tried removing the reducent libpng
files in the coot bin lib folder, and also tried several other
different Scientific Linux versions of coot. However, it is still not
working. I'm wondering if it's more of a cenos8 issue in general or
some other local set-up.
Any suggestions are warmly welcomed. Thank you all again.
best,
Ming
On Mon, Feb 22, 2021 at 11:18 AM William G. Scott <wgsc...@ucsc.edu
<mailto:wgsc...@ucsc.edu>> wrote:
Hi Ming:
I got some similar errors on my Ubuntu install. Removing some of
the non-coot libraries (like libpng) that are duplicated might
help. Also, make sure you have the appropriate processor
architecture.
Bill
> On Feb 22, 2021, at 8:14 AM, Ming Sun <ms4...@columbia.edu
<mailto:ms4...@columbia.edu>> wrote:
>
> Hi all
>
> I'm trying to install the recent released version of coot on
centos 8 linux machine. However, I keep having the following error
messages. Any inputs are warmly welcome. Many thanks in advances
>
> coot version,
coot-0.9.4.1-binary-Linux-x86_64-scientific-linux-7.6-python-gtk2.tar.gz,
released on 2021-02-02
>
> error messages:
>
/home/software/coot-Linux-x86_64-scientific-linux-7.6-gtk2-python/libexec/coot-bin:
error while loading shared libraries: libpng15.so.15: wrong ELF
class: ELFCLASS32
>
> create soft link in coot/lib/ but not working either
> sudo ln -s /bin/lib/libpng15.so.15
coot-Linux-x86_64-scientific-linux-7.6-gtk2-python/lib/libpng15.so.15
>
> Thanks!
> Ming
>
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