Building updated centos7 SB3 for late 2020

Docker/shellb3-cspp-py36.Dockerfile

-# docker build . -f shellb3-cspp-py36.Dockerfile -t shellb3-cspp-py36:latest
-# docker run -e SHELLB3_ARCHIVE_DIR=/dock -it --rm -v $HOME/dock:/dock -w /opt/shellb3-cspp-py36/ShellB3 shellb3-cspp-py36 /bin/bash -l -c "unset LANG; bash shallbethree.sh bin_dist"
-FROM centos:6
-RUN yum -y install gcc-gfortran gcc-c++ unzip perl patch byacc bison flex glibc-devel.i686 glibc-devel.x86_64 xz epel-release 
-RUN yum -y install git wget perl-TermReadKey \
- && wget --content-disposition https://packagecloud.io/github/git-lfs/packages/el/7/git-lfs-2.11.0-1.el7.x86_64.rpm/download.rpm \
- && wget https://packages.endpoint.com/rhel/6/os/x86_64/git-1.8.4-1.ep.x86_64.rpm \
- && wget https://packages.endpoint.com/rhel/6/os/x86_64/perl-Git-1.8.4-1.ep.noarch.rpm \
- && rpm -Uvh git-1.8.4-1.ep.x86_64.rpm perl-Git-1.8.4-1.ep.noarch.rpm \
- && rpm -ivh git-lfs-2.11.0-1.el7.x86_64.rpm 
-RUN test -d /opt || mkdir /opt
-RUN test -d /work || mkdir /work
-ARG BORT=develop
-RUN cd /opt && git clone https://gitlab.ssec.wisc.edu/rayg/ShellB3.git --branch ${BORT} --single-branch --depth 1 shellb3-cspp-py36
-RUN ln -s shellb3-cspp-py36/ShellB3 /opt/ShellB3
-RUN ln -s /opt/shellb3-cspp-py36 /work/ShellB3
-ENV MAKEFLAGS=-j12
-# was 37 originally but changed back due to ssl 1.0.2 constraint
-ARG PYTHON_VERSION=36
-ARG LINUXCPUFLAGS="-msse2 -fPIC"
-WORKDIR /opt/shellb3-cspp-py36/ShellB3 
-RUN bash -e shallbethree.sh mk_gcc7 
-ARG SB3_TRIM=cspp
-RUN bash -e shallbethree.sh mk_${SB3_TRIM}
-WORKDIR /work
-RUN echo export HOSTNAME=$(perl -ne '/.*"HOSTNAME": "(\w+)",/ && print "$1";' </opt/shellb3-cspp-py36/ShellB3/build/.build_env.json) >/etc/profile.d/99-build-host.sh

Docker/shellb3-cspp-py38.Dockerfile

+# docker build --build-arg BORT=develop . -f shellb3-cspp-py38.Dockerfile -t shellb3-cspp-py38:latest
+# docker run -e SHELLB3_ARCHIVE_DIR=/dock -it --rm -v $HOME/dock:/dock -w /opt/shellb3-cspp-py38/ShellB3 shellb3-cspp-py38 /bin/bash -l -c "unset LANG; bash shallbethree.sh bin_dist"
+FROM centos:7
+RUN yum -y install gcc-gfortran gcc-c++ unzip perl patch byacc bison flex glibc-devel.i686 glibc-devel.x86_64 xz epel-release wget 
+RUN yum -y install git git-lfs 
+RUN test -d /opt || mkdir /opt
+RUN test -d /work || mkdir /work
+ARG BORT
+RUN cd /opt && echo "using branch or tag ${BORT}" \
+ && git clone https://gitlab.ssec.wisc.edu/rayg/ShellB3.git --branch ${BORT} --single-branch --depth 1 shellb3-cspp-py38
+RUN ln -s shellb3-cspp-py38/ShellB3 /opt/ShellB3
+RUN ln -s /opt/shellb3-cspp-py38 /work/ShellB3
+ENV MAKEFLAGS=-j12
+ARG PYTHON_VERSION=38
+ARG LINUXCPUFLAGS="-msse2 -fPIC"
+WORKDIR /opt/shellb3-cspp-py38/ShellB3 
+RUN bash -e shallbethree.sh mk_gcc8
+ARG TRIM=cspp
+RUN bash -e shallbethree.sh mk_${TRIM}
+WORKDIR /work
+RUN echo export HOSTNAME=$(perl -ne '/.*"HOSTNAME": "(\w+)",/ && print "$1";' </opt/shellb3-cspp-py38/ShellB3/build/.build_env.json) >/etc/profile.d/99-build-host.sh