> -----Original Message-----
> From: Adam Hassick <ahassick@iol.unh.edu>
> Sent: Thursday, May 25, 2023 8:15 PM
> To: ci@dpdk.org
> Cc: aconole@redhat.com; Ali Alnubani <alialnu@nvidia.com>; Owen Hilyard
> <ohilyard@iol.unh.edu>; Adam Hassick <ahassick@iol.unh.edu>
> Subject: [PATCH v6 4/6] containers/templates: Templates for Dockerfiles
>
> From: Owen Hilyard <ohilyard@iol.unh.edu>
>
> Adds a variety of extensible templates used to create the Dockerfiles
> for each target. All templates inherit from base, and most distros and
> distro families have their own templates that are used to define common
> functionality. Multiple versions of a distro may use a single template
> if they are similar enough (ex: fedora).
>

[..]

> diff --git
> a/containers/template_engine/templates/containers/base.dockerfile.j2
> b/containers/template_engine/templates/containers/base.dockerfile.j2
> new file mode 100644
> index 0000000..92f5cb5
> --- /dev/null
> +++ b/containers/template_engine/templates/containers/base.dockerfile.j2
> @@ -0,0 +1,120 @@
> +{#- SPDX-License-Identifier: BSD-3-Clause -#}
> +{#- Copyright (c) 2022 University of New Hampshire -#}
> +# ------------------------ Begin {{ target.name }} --------------------------------------
> ----------
> +
> +{%- set build_base_img = target.name + "_base" %}
> +FROM {{ target.base_image }} as {% if build_abi and not
> target.force_disable_abi -%}
> +{{ build_base_img }}
> +{%- else -%}
> +{{ target.name }}
> +{%- endif %}
> +
> +ENV CCACHE_DIR=/ccache/
> +ENV CCACHE_COMPILERCHECK=content
> +ENV CCACHE_NAMESPACE="{{ target.name }}-{{ build_timestamp }}"
> +ENV BUILD_TIMESTAMP="{{ build_timestamp }}"
> +
> +{% block extra_env_vars -%}{%- endblock extra_env_vars %}
> +
> +{% block pre_package_manager -%}{%- endblock pre_package_manager %}
> +
> +# Install packages
> +RUN {{ target.package_manager_command }} {{ target.packages | join(" ") }}
> +
> +# Installs from pip
> +{% block pip_installs -%}{%- endblock pip_installs %}
> +
> +# Extra setup after python libs are installed
> +{% block before_meson_after_pip -%}{%- endblock %}
> +
> +# install libabigail
> +{% block install_libabigail %}
> +{% if build_libabigail and build_abi and (not "force_disable_abi" in target or
> not target.force_disable_abi) %}
> +COPY libabigail /libabigail
> +RUN --mount=type=cache,target=/ccache,z cd /libabigail
> +{%- if "libabigail_revision" in target %} && git checkout {{
> target.libabigail_revision }} {%- endif %} && mkdir build && autoreconf -i &&
> cd build && ../configure --prefix=/usr/local && make all install && \
> +    ldconfig && cd / && rm -rf /libabigail
> +{% else %}
> +#   libabigail build is disabled
> +{% endif %}
> +{% endblock install_libabigail %}
> +
> +# cross compilation setup
> +{% block cross_compilation_setup %}
> +{% endblock cross_compilation_setup %}
> +
> +# Copy externally pulled DPDK into the container
> +RUN mkdir /dpdk
> +COPY dpdk-stable /dpdk-stable
> +
> +# Install meson
> +{% block install_meson %}
> +# Install meson from dpdk main
> +# Writes to the mount are discarded once the container is built and is not
> shared with other containers or the host
> +COPY dpdk /dpdk
> +RUN --mount=type=cache,target=/ccache,z cd /dpdk && chown -R root
> /dpdk && git checkout main && sh .ci/linux-setup.sh

What is the 'z' mount option? I can't find it in podman's mount command documentation:
https://docs.podman.io/en/latest/markdown/options/mount.html