Linking against older symbol version in a .so file

Question

Using gcc and ld on x86_64 linux I need to link against a newer version of a library (glibc 2.14) but the executable needs to run on a system with an older version (2.5). Si

Answer 1

I think you can get away with making a simple C file containing the symver statement and perhaps a dummy function calling memcpy. Then you just have to ensure that the resulting object file is the first file given to linker.