This fixes the following on 14-CURRENT on amd64:
ld: error: can't create dynamic relocation R_X86_64_32S against local
symbol in readonly segment; recompile object files with -fPIC or pass
'-Wl,-z,notext' to allow text relocations in the output
>>> defined in /wrkdirs/usr/ports/security/ipv6toolkit/work/ipv6toolkit-v2.0/libipv6/libipv6.a(libipv6.o)
>>> referenced by libipv6.c
>>> libipv6.o:(is_service_port) in archive /wrkdirs/usr/ports/security/ipv6toolkit/work/ipv6toolkit-v2.0/libipv6/libipv6.a
...
597182e331