[New-bugs-announce] [issue38987] 3.8.0 on GNU/Linux fails to find shared library

[Kevin Buchs]

New submission from Kevin Buchs <kevin.buchs at gmail.com>:

I just downloaded Python 3.8.0 and built (from source) on Ubuntu 18.04. I used these options to configure:

  ./configure --enable-shared --enable-ipv6 --enable-optimizations

The shared library gets installed into /usr/local/lib:

  find / -type f -name libpython3.8.so.1.0
  /usr/local/src/Python-3.8.0/libpython3.8.so.1.0
  /usr/local/lib/libpython3.8.so.1.0
  
/usr/local/lib is defined as a path to search for shared libraries: 

  # /etc/ld.so.conf loads all /etc/ld.so.conf.d/*.conf
  grep /usr/local  /etc/ld.so.conf.d/*.conf
  /etc/ld.so.conf.d/i386-linux-gnu.conf:/usr/local/lib/i386-linux-gnu
  /etc/ld.so.conf.d/i386-linux-gnu.conf:/usr/local/lib/i686-linux-gnu
  /etc/ld.so.conf.d/libc.conf:/usr/local/lib
  /etc/ld.so.conf.d/x86_64-linux-gnu.conf:/usr/local/lib/x86_64-linux-gnu

But, the python executable is unable to find it:
  /usr/local/bin/python3.8
  /usr/local/bin/python3.8: error while loading shared libraries: 
    libpython3.8.so.1.0: cannot open shared object file: No such file
    or directory

----------
components: Installation
messages: 357924
nosy: buchs
priority: normal
severity: normal
status: open
title: 3.8.0 on GNU/Linux fails to find shared library
type: crash
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38987>
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