I'm trying to compile a statically linked binary with GCC and I'm getting warning messages like:

warning: Using 'getpwnam_r' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking

I don't even know what getwnam_r does, but I assume it's getting called from inside some higher level API. I receive a similar message for gethostbyname.

Why would it not be possible to just statically link these functions in like every other function?

linux linker static-linking
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