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varnish / varnish-modules

Collection of Varnish Cache modules (vmods) by Varnish Software
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bulding fails on Centos 6 #87

Closed andreasbaumann closed 7 years ago

andreasbaumann commented 7 years ago

checking for a Python interpreter with version >= 2.7... none configure: error: Python >= 2.7 is required.

I realize that python coming on Centos 6 is old. But on the other hand I would try to support old distributions.

What exactly needs Python? Can it be disabled? Is is only needed to build the documentation, as vmods are pure C modules.

andreasbaumann commented 7 years ago

Ah, I see. This check for Python is in /usr/share/aclocal/varnish.m4:

# _VARNISH_CHECK_PYTHON
# ---------------------
AC_DEFUN([_VARNISH_CHECK_PYTHON], [
    AM_PATH_PYTHON([2.7], [], [ 
            AC_MSG_ERROR([Python >= 2.7 is required.])
    ])

])

dridi commented 7 years ago

Indeed, VMODs are written in C but the C interface is generated by vmodtool.py provided by the Varnish installation. CentOS 6 ships "Python 2.6 + back-ports" that is technically enough for Varnish's Python needs, but we can't really check this corner case.

Can you install Python 3? I don't remember whether it is available on el6.

andreasbaumann commented 7 years ago

Ok. I'm trying with SCL..

andreasbaumann commented 7 years ago

https://wiki.centos.org/SpecialInterestGroup/SCLo/CollectionsList yum install python27 scl enable python27 bash

yep. Problem solved. thanks.