[Bug 1572569] Re: Relocation error in libc.so.6

[Adam Conrad]

It's a "serious" suggestion in as such as no software that you want to
run on multiple libc versions should EVER use private symbols.

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Title:
  Relocation error in libc.so.6

Status in glibc package in Ubuntu:
  Invalid

Bug description:
  The complete error message is as follows:
  ./testapp: relocation error: ./testapp: symbol __get_cpu_features, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference

  The "testapp" has been compiled in Ubuntu 14.04 LTS server with Free
  Pascal to 64bit executable. The executable doesn't have anything Free
  Pascal specific and it works fine in other Ubuntu 14.04 LTS and 15.10
  computers. I verified this by running the executable in a fresh-
  installed 15.10 virtual computer, which did not have anything Free
  Pascal related installed.

  Now I copied the executable into 16.04 LTS (release candidate)
  computer and tried to run it, but it gives the above mentioned error
  message.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: libc6 2.23-0ubuntu3
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  Date: Wed Apr 20 16:15:39 2016
  Dependencies:
   gcc-6-base 6.0.1-0ubuntu1
   libc6 2.23-0ubuntu3
   libgcc1 1:6.0.1-0ubuntu1
  InstallationDate: Installed on 2016-04-11 (9 days ago)
  InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Beta amd64 (20160325)
  SourcePackage: glibc
  UpgradeStatus: No upgrade log present (probably fresh install)

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