install different version of GCC side by side

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My primary problem is in my Fedora 28, GCC8 is installed. Now, this gives libgfortran.so.5.



But many of my applications are not updated and still depends on libgfortran.so.3



So, how can I solve the problem? Is it safe to ln libgf.so.5 to libgfso.3?






fedora gcc shared-library fortran







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  • You can install as many different versions of gcc as you want. The only thing that might come up is that you'll constantly have to change which ones you're using for different applications.
    – Nasir Riley
    Sep 11 at 13:29










  • A workaround could be using Nix ( nixos.org/nix ) to manage the user specific programs.
    – Mioriin
    yesterday














up vote
2
down vote

favorite
1












My primary problem is in my Fedora 28, GCC8 is installed. Now, this gives libgfortran.so.5.



But many of my applications are not updated and still depends on libgfortran.so.3



So, how can I solve the problem? Is it safe to ln libgf.so.5 to libgfso.3?






fedora gcc shared-library fortran







share|improve this question























  • You can install as many different versions of gcc as you want. The only thing that might come up is that you'll constantly have to change which ones you're using for different applications.
    – Nasir Riley
    Sep 11 at 13:29










  • A workaround could be using Nix ( nixos.org/nix ) to manage the user specific programs.
    – Mioriin
    yesterday












up vote
2
down vote

favorite
1









up vote
2
down vote

favorite
1






1





My primary problem is in my Fedora 28, GCC8 is installed. Now, this gives libgfortran.so.5.



But many of my applications are not updated and still depends on libgfortran.so.3



So, how can I solve the problem? Is it safe to ln libgf.so.5 to libgfso.3?






fedora gcc shared-library fortran







share|improve this question















My primary problem is in my Fedora 28, GCC8 is installed. Now, this gives libgfortran.so.5.



But many of my applications are not updated and still depends on libgfortran.so.3



So, how can I solve the problem? Is it safe to ln libgf.so.5 to libgfso.3?






fedora gcc shared-library fortran




fedora gcc shared-library fortran






share|improve this question















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edited Sep 11 at 2:23









Jeff Schaller

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33.1k849111










asked Sep 11 at 1:28









BaRud

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  • You can install as many different versions of gcc as you want. The only thing that might come up is that you'll constantly have to change which ones you're using for different applications.
    – Nasir Riley
    Sep 11 at 13:29










  • A workaround could be using Nix ( nixos.org/nix ) to manage the user specific programs.
    – Mioriin
    yesterday
















  • You can install as many different versions of gcc as you want. The only thing that might come up is that you'll constantly have to change which ones you're using for different applications.
    – Nasir Riley
    Sep 11 at 13:29










  • A workaround could be using Nix ( nixos.org/nix ) to manage the user specific programs.
    – Mioriin
    yesterday















You can install as many different versions of gcc as you want. The only thing that might come up is that you'll constantly have to change which ones you're using for different applications.
– Nasir Riley
Sep 11 at 13:29




You can install as many different versions of gcc as you want. The only thing that might come up is that you'll constantly have to change which ones you're using for different applications.
– Nasir Riley
Sep 11 at 13:29












A workaround could be using Nix ( nixos.org/nix ) to manage the user specific programs.
– Mioriin
yesterday




A workaround could be using Nix ( nixos.org/nix ) to manage the user specific programs.
– Mioriin
yesterday










1 Answer
1






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up vote
2
down vote













Linking the newer version to the older one probably won't work, because that number change usually reflects an ABI change.



The best approach for this is to run your older applications in containers — in this case, CentOS 7 has the version of libgfortran you are looking for, so a CentOS 7 container should provide you forward compatibility for a good long time.






share|improve this answer




















  • He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
    – Nasir Riley
    Sep 11 at 13:22










  • @NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
    – mattdm
    Sep 11 at 13:23











  • That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
    – Nasir Riley
    Sep 11 at 15:32










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1 Answer
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1 Answer
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active

oldest

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active

oldest

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oldest

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up vote
2
down vote













Linking the newer version to the older one probably won't work, because that number change usually reflects an ABI change.



The best approach for this is to run your older applications in containers — in this case, CentOS 7 has the version of libgfortran you are looking for, so a CentOS 7 container should provide you forward compatibility for a good long time.






share|improve this answer




















  • He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
    – Nasir Riley
    Sep 11 at 13:22










  • @NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
    – mattdm
    Sep 11 at 13:23











  • That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
    – Nasir Riley
    Sep 11 at 15:32














up vote
2
down vote













Linking the newer version to the older one probably won't work, because that number change usually reflects an ABI change.



The best approach for this is to run your older applications in containers — in this case, CentOS 7 has the version of libgfortran you are looking for, so a CentOS 7 container should provide you forward compatibility for a good long time.






share|improve this answer




















  • He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
    – Nasir Riley
    Sep 11 at 13:22










  • @NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
    – mattdm
    Sep 11 at 13:23











  • That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
    – Nasir Riley
    Sep 11 at 15:32












up vote
2
down vote










up vote
2
down vote









Linking the newer version to the older one probably won't work, because that number change usually reflects an ABI change.



The best approach for this is to run your older applications in containers — in this case, CentOS 7 has the version of libgfortran you are looking for, so a CentOS 7 container should provide you forward compatibility for a good long time.






share|improve this answer












Linking the newer version to the older one probably won't work, because that number change usually reflects an ABI change.



The best approach for this is to run your older applications in containers — in this case, CentOS 7 has the version of libgfortran you are looking for, so a CentOS 7 container should provide you forward compatibility for a good long time.







share|improve this answer












share|improve this answer



share|improve this answer










answered Sep 11 at 13:13









mattdm

27.2k1170109




27.2k1170109











  • He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
    – Nasir Riley
    Sep 11 at 13:22










  • @NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
    – mattdm
    Sep 11 at 13:23











  • That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
    – Nasir Riley
    Sep 11 at 15:32
















  • He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
    – Nasir Riley
    Sep 11 at 13:22










  • @NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
    – mattdm
    Sep 11 at 13:23











  • That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
    – Nasir Riley
    Sep 11 at 15:32















He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
– Nasir Riley
Sep 11 at 13:22




He can give it a try. Worst case, it just won't work. The newer version of libraries such as libgfortran and libstdc++ are normally backwards compatible. I create symlinks of older versions all the time.
– Nasir Riley
Sep 11 at 13:22












@NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
– mattdm
Sep 11 at 13:23





@NasirRiley Eh, worst case it'll appear to work but then crash unexpectedly at a bad time.
– mattdm
Sep 11 at 13:23













That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
– Nasir Riley
Sep 11 at 15:32




That can indeed happen if there's something that's no longer supported or if it's built against something that requires something that's no longer supported. It's up to him to decided. If he just doesn't know then it's better that he just run it in a container as you've suggested where he can install a different version of gcc with different libraries.
– Nasir Riley
Sep 11 at 15:32

















 

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