Before I forget - I'll post this because it was not obvious : libpng12 is apparently frowned upon by apt - whatever the case, I found this page :
https://askubuntu.com/questions/1194386/how-to-correctly-install-libpng12-0-on-the-ubuntu-19-10#1194489 which effectively means do : sudo add-apt-repository ppa:linuxuprising/libpng12 sudo apt update sudo apt install libpng12-0 ... that gets coot to run up to the splash screen and also the graphics window. failure error output is below - I need to figure out libguile now. -Bryan failure output is now : ./coot: line 329: 20180 Illegal instruction (core dumped) $coot_bin "$@" linux-vdso.so.1 (0x00007ffe463f4000) libguile.so.17 => not found libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f850e931000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f850e73f000) /lib64/ld-linux-x86-64.so.2 (0x00007f850e979000) undefined symbol: scm_boot_guile (/[redacted]/coot-Linux-x86_64-ubuntu-16.04.6-pre-release-gtk2-python/bin/guile) undefined symbol: scm_shell (/[redacted]/coot-Linux-x86_64-ubuntu-16.04.6-pre-release-gtk2-python/bin/guile) guile: error while loading shared libraries: libguile.so.17: cannot open shared object file: No such file or directory failed to launch the crash catcher - bad guile ######################################################################## To unsubscribe from the COOT list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=COOT&A=1 This message was issued to members of www.jiscmail.ac.uk/COOT, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/
