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> I have installed Scientific Linux.
>
> I would like to use clang. I see that clang is not part of the yum
> repository.
>
> I downloaded the latest Fedora zip from clang.llvm.org and installed clang
> in /usr/local
>
> When I go to run clang I get an error that GLIBCXX 3.4.20 is not available.
>
> I have found in libstdc++
> =E2=80=8BGLIBCXX =E2=80=8B
> 3.4 to 3.4.19, but not GLIBCXX 3.4.20
> =E2=80=8B.=E2=80=8B
>
> My version of gcc installed is 4.8.3 9.3l7
> =E2=80=8B.
>
> I have looked for solutions on the web and many are partial or requiring
> complete source build of clang.
>
> I might be able to use a previous version or so of clang to that version
> that wants to use GLIBCXX 3.4.19 or less, but since clang was not installed
> via yum, I'm not certain how to download grade it properly.
>
> Are there any recommendations from this list on how to
> (uninstall/re-install) install clang on Scientific Linux?
>
> I understand that Scientific Linux is a variant of Fedora. Many of the
> tasks recommended for Fedora apply to Scientific Linux, but I'm still lost
> as my administration skills are being tasked.
>
> Thanks for the help and education.
>
> Keith Smith
>
> =E2=80=8B
>
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If you installed Scientific Linux 6 or 7 then clang is available via the 
"epel" repo.

yum --enablerepo=epel install clang



-Connie Sieh