> the disadvantage is that we have to use an old version of GCC to compile the software, since I haven't figured out a way to make a new GCC version produce bin

> the disadvantage is that we have to use an old version of GCC to compile the software, since I haven't figured out a way to make a new GCC version produce binaries which link to old glibc. I personnally compile with latest GCC or LLVM on centos 7, this way I can use the very latest C++ standards with a venerable glibc