Librdkafka: make: env: can't execute 'python': No such file or directory

[tchap]

Description

I am trying to build librdkarfa during docker build in a container based on Alpine 3.6. I am just cloning the repository, running configure and make. I got to the point that configure passes, although it says:

disabling linker-script since python is not available

When I run make, though, I get

...
Generating linker script librdkafka.lds from rdkafka.h
env: can't execute 'python': No such file or directory
make[1]: Leaving directory '/librdkafka/src'
make[1]: *** [Makefile:78: librdkafka.lds] Error 127
make: *** [Makefile:20: libs] Error 2

I think that this should either fail in configure or work in make 🙂

How to reproduce

Dockerfile:

FROM golang:1.8.3-alpine3.6

RUN apk update

# Compile librdkafka.
RUN apk add git bash build-base openssl-dev
RUN set -eux; \
    git clone https://github.com/edenhill/librdkafka.git /librdkafka; \
    cd /librdkafka; \
    ./configure --prefix /usr; \
    make; \
    make install

[edward2a]

I had a similar problem with ubuntu 16.04 as python2 does not come bundled and there is no link for python as is.
As a workaround I created a symlink /usr/bin/python -> /usr/bin/python3 and this worked fine.
It seems there is some hard dependency of python and no checks of whether 2 or 3 is available, but I had no time to actually dig the issue.

It is likely you'll have to install python to workaround this for the time being.

[edenhill]

fixed on master

[edenhill]

Please verify that this fix works for you, thanks

[PKHong]

Hi @edenhill ,
I try to use #1358, but still get "disabling linker-script since python is not available" when ./configure

[edenhill]

Librdkafka master now requires python 3 and the python3 interpreter