New lm32-tools . One pass tar extract. With: CentOS 7.7.1908, newlib=3.1.0, gcc=9.2.0, binutils=2.32, mpc=1.1.0, mpfr=4.0.2, gmp=6.1.2, cmake=3.14, svn=1.7.14, git=1.8.3.1, Python 2.7.5, Python 3.6.8  (based on CentOS 7.4.1708 and updated)

New Dockerfile: lm32-tools:1.0.
This docker container includes the LM32 tools based in a precompiled lm32-toolchain with: Centos 7, newlib=3.1.0, gcc=9.2.0, binutils=2.32, mpc=1.1.0, mpfr=4.0.2, gmp=6.1.2