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I have Fedora 4 installed on my computer and it has glibc version 2.5.3, but I want to install a software that needs a glibc 2.7+. On the other hand, I have some programs that need this 2.5.3 version. I have three questions regarding this problem:

  1. How can I install another glibc on my system and still keep the 2.5.3 as default
  2. How can I pass the address of new glibc to the program that I am going to install (is it an option in ./configure?). The software that I am going to install is nodejs.
  3. In future, how can I tell my software which glibc to use?
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2 Answers 2

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This is classical sysadmin problem, if I get it right, this tool is just what you need:

Module

What it does is control environment variables, if you want to load a specific version of glibc you need to put it on the LD_LIBRARY_PATH (and ideally remove the other one), same deal with programs and applications.

The environment is controlled by loading and unloading modulefiles, the syntax for those files is explained here.

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  • there is no LD_LIBRARY_PATH variable
    – orezvani
    May 3, 2013 at 12:12
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    That's because you are using only the default paths, if you define LD_LIBRARY_PATH with some custom library and compile with that library the compiler will search in the LD_LIBRARY_PATH and the default places (I'm not sure the about the search order)
    – RSFalcon7
    May 4, 2013 at 12:49
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Whatever needs glibc-2.7 won't run on Fedora 4 (for lack of other libraries, or missing kernel features).

Fedora 4 is now 7 or so years old, out of any support for 6 years. Update.

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    Nope, I am now running a few programs that use glibc-2.7!!!!
    – orezvani
    May 3, 2013 at 12:11
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    @emab, update now.
    – vonbrand
    May 3, 2013 at 14:47

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