gas ocaml
yum install gcc
yum install gcc-c++
https://github.com/ocaml/ocamlbuild clone
make configure
make
make install
yum install ocaml
yum -y remove ocaml
binutils
/opt/rh/devtoolset-9/root/usr/libexec/gcc/x86_64-redhat-linux/9/as: