3 RUN yum install -y gcc git
4 RUN yum groupinstall -y 'Development Tools'
5 RUN cd /root/work && ls -al && tar xzf cmake-3.15.2.tar.gz && \
6 rpm -Uvh scons-2.3.0-1.el7.centos.noarch.rpm && \
8 cd cmake-3.15.2 && ./bootstrap && \
11 cd ../protocol-opcua-c/ && \