statically-linked Go programs and libc

statically-linked Go programs and libc

Posted Aug 19, 2022 20:14 UTC (Fri) by dkg (subscriber, #55359)
In reply to: The ABI status of ELF hash tables by pbonzini
Parent article: The ABI status of ELF hash tables

@pbonzini wrote:

> Any statically linked program, which includes any Go program, is essentially shipping its own libc.

Are you sure about this? gosop is a Go program, and all the Go bits are statically-linked, but it still dynamically loads libc

0 dkg@alice:~$ ldd $(which gosop)
	linux-vdso.so.1 (0x00007ffe414fd000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fdedda00000)
	/lib64/ld-linux-x86-64.so.2 (0x00007fdeddcc5000)
0 dkg@alice:~$ 

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$ ldd /usr/bin/tailscale
	not a dynamic executable