centos7uberbuilder's Introduction

centos7uberbuilder

About

A docker image and some associated scripts intended to build basically anything recent that targets CentOS 7, thanks to https://www.softwarecollections.org/en/.

The generated image is huge, around 4.56GB, and take about 2 hours to complete, but the Dockerfile has various checkpoints.

Too bad CentOS is dying, I am finally, slowly and gradually migrating my systems to Debian, but this may still be useful for someone, for some time.

Build Docker Image

docker build --tag centos7uberbuilder .

Test Docker Image

docker run --rm -it --entrypoint /bin/bash centos7uberbuilder -l

docker run --rm -it --init centos7uberbuilder /bin/sh -e -c '. /opt/rh/devtoolset-8/enable; exec gcc --version'
# gcc (GCC) 8.3.1 20190311 (Red Hat 8.3.1-3)

docker run --rm -it --init centos7uberbuilder /bin/sh -e -c '. /opt/rh/devtoolset-9/enable; . /opt/rh/rh-git218/enable; gcc --version; git --version'
# gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
# git version 2.18.4

docker run --rm -it --init centos7uberbuilder /bin/sh -e -c '. /opt/rh/llvm-toolset-7.0/enable; . /opt/rh/rh-git218/enable; clang --version; git --version'
# clang version 7.0.1 (tags/RELEASE_701/final)
# git version 2.18.4

docker run --rm -it --init centos7uberbuilder cmake --version
# cmake3 version 3.17.5

docker run --rm -it --init centos7uberbuilder /bin/sh -e -c '. /opt/rh/devtoolset-9/enable; . /opt/rh/rh-git218/enable; exec /bin/bash -l'

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