[nanvix] Makefile.nanvix: enable ac_cv_func_inet_pton=yes#26
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Verified against the toolchain libposix.a via i686-nanvix-nm:
$ i686-nanvix-nm $(SYSROOT)/lib/libposix.a | grep "^.* T inet_"
00000000 T inet_addr
00000000 T inet_ntoa
00000000 T inet_ntop
00000000 T inet_pton
The previous ac_cv_func_inet_pton=no override was stale -- it dates
from before libposix gained inet_pton support. Flipping it to yes
lets cpython's configure define HAVE_INET_PTON in pyconfig.h, which
in turn enables the IPv6 fast paths in socketmodule.c (lines
1226-1268) and registers the socket.inet_pton / inet_ntop builtins
(socketmodule.c:6616+). The symbol resolves at dlopen time from
python.elf's .dynsym (libposix.a is whole-archived into the main
binary, exported via --export-dynamic).
inet_aton stays at =no -- libposix does not provide it (absent from
the nm dump above).
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This was referenced Jun 17, 2026
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Flips
ac_cv_func_inet_ptonfromnotoyesinMakefile.nanvix.nmagainst the toolchainlibposix.aconfirmsinet_ptonis defined (aTsymbol), so the previous=nooverride was incorrect. With=yes, cpython's configure definesHAVE_INET_PTONinpyconfig.h, which enables the IPv6 fast paths insocketmodule.cand registers thesocket.inet_pton/inet_ntopbuiltins. The symbol resolves at dlopen time frompython.elf's.dynsym(libposix.a is whole-archived into the main binary and exported via--export-dynamic).inet_atonstays at=no-- libposix does not provide it.Dependencies
Merges after #20 (the base it branches from), but the
inet_ptonoverride is otherwise unrelated to the.somigration. Independent of the other cleanups split alongside it (#23, #24, #25) -- #23 also editsMakefile.nanvixbut a disjoint region -- so the four can merge in any order.