GLIBC_2.7 not found

Question

I am getting the following error when trying to run several executables:

/lib/libc.so.6: version `GLIBC_2.7' not found (required by .tools/bridge/bridge)

I have recently upgraded from CentOS 5.3 to 5.7 (I am required to run these tools on CentOS 5, so I can't upgrade to 6). I recompiled the whole code but this error still appears.

Has anyone encountered this type of error?

Thanks, Claudiu

Answer 1

The error means that you built .tools/bridge/bridge on a system with glibc-2.7 (or later), and are trying to run it on a system that has glibc-2.6 or earlier.

Linux (and most UNIXes) does not support "build on later, run on earlier"; only the reverse scenario is supported.

See also this answer.