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configure script in BIND 9.13.5 release fails to detect python

Summary

One cannot build bind with python support. The configure script fails to detect python. Specifically, it tries to check the python version by testing /usr/bin/yes instead of /usr/bin/python!

BIND version used

BIND 9.13.5

Steps to reproduce

Download BIND 9.13.5 tar.gz from isc.org Use ./configure --with-python

What is the current bug behavior?

Configure output

...
checking for perl5... no
checking for perl... /usr/bin/perl
checking for yes... /usr/bin/yes
checking if /usr/bin/yes is python2 version >= 2.7 or python3 version >= 3.2... no
checking for Python support... no
BUILDSTDERR: configure: error: Python required for dnssec-keymgr
  • It fails to detect an existing /usr/bin/python
  • It tries to check the python version from /usr/bin/yes!

What is the expected correct behavior?

It should check /usr/bin/python instead of /usr/bin/yes when checking the python version.

Relevant configuration files

n/a

Relevant logs and/or screenshots

n/a

Possible fixes

Looks like something went wrong in configure on line 12266

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