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Asked: 2026-05-15T11:25:11+00:00

I have included the header netdb.h , where getaddrinfo is included, but gcc issues

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I have included the header netdb.h, where getaddrinfo is included, but gcc issues this warning:

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

gcc -m32 -static -s -O2 -std=c99 -D_POSIX_C_SOURCE=200112L myprogram.c

How can I statically compile whatever file is missing ?

Possible solutions:

  1. It could be that the glibc installation is missing the corresponding object file necessary for static compilation. If that is the case, create the corresponding object file and link it at compilation.

  2. Try EGLIBC instead of glibc.

  3. I succesfully compiled my program with dietlibc which compiled without any errors plus the resulting binary was much smaller than what glibc makes.

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1 Answer

  1. Editorial Team

    glibc uses libnss to support a number of different providers for address resolution services. Unfortunately, you cannot statically link libnss, as exactly what providers it loads depends on the local system’s configuration.

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