On 24 May 2018 at 06:32, Priya Shrivastava wrote: > Dear All, > > I ssh into server CentOS 6.5 RHEL 4 linux as non root user. I was trying to > compile a software but i understood that it needs upgraded version of gcc > so i did as listed in gnu website. My machine has already got rpm ,devtools > 1.1 etc > > download source of gcc-8 > run download_prerequisites > ./configure outside source directory > make > make install ( all done in my home directory as non root) That looks fine. If those commands finished without errors then it should be installed correctly. > below is configure log > > i was able to (hope so) ( i am a newbie- i tried reading as much as i can > about gnu) install gcc-8.1.0 but i have these doubts > > 1. in build folder i see stage 1 prefix folders so does that mean i only > build stage 1 install and do i need to install stage 2 & 3 > 2. i tried to compile with gcc8 but i got permission denied If you don't tell us the precise command you ran and the precise error we can't tell you what happened.