cpython/Tools/wasm/config.site-wasm32-wasi
Brett Cannon 5dc8c84d39
GH-115978: Disable *readv() and *writev() on WASI (GH-116228)
Wasmtime doesn't implement these functions in a way to pass test_posix (https://github.com/bytecodealliance/wasmtime/issues/7830).
2024-03-01 16:52:12 -08:00

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# config.site override for cross compiling to wasm32-wasi platform
#
# Written by Christian Heimes <christian@python.org>
# cannot be detected in cross builds
ac_cv_buggy_getaddrinfo=no
# WASI has no /dev/pt*
ac_cv_file__dev_ptmx=no
ac_cv_file__dev_ptc=no
# get/setrlimit are not supported
ac_cv_header_sys_resource_h=no
# undefined symbols / unsupported features
ac_cv_func_eventfd=no
# WASI SDK 15.0 has no pipe syscall.
ac_cv_func_pipe=no
# WASI SDK 15.0 cannot create fifos and special files.
ac_cv_func_mkfifo=no
ac_cv_func_mkfifoat=no
ac_cv_func_mknod=no
ac_cv_func_mknodat=no
ac_cv_func_makedev=no
# fdopendir() fails on SDK 15.0,
# OSError: [Errno 28] Invalid argument: '.'
ac_cv_func_fdopendir=no
# WASI sockets are limited to operations on given socket fd and inet sockets.
# Disable AF_UNIX and AF_PACKET support, see socketmodule.h.
ac_cv_header_sys_un_h=no
ac_cv_header_netpacket_packet_h=no
# disable accept for WASM runtimes without sock_accept
#ac_cv_func_accept=no
#ac_cv_func_accept4=no
# Disable int-conversion for wask-sdk as it triggers an error from version 17.
ac_cv_disable_int_conversion=yes
# preadv(), readv(), pwritev(), and writev() under wasmtime's WASI 0.2 support
# do not use more than the first buffer provided, failing under test_posix.
# Since wasmtime will not be changing this behaviour, disable the functions.
# https://github.com/bytecodealliance/wasmtime/issues/7830
ac_cv_func_preadv=no
ac_cv_func_readv=no
ac_cv_func_pwritev=no
ac_cv_func_writev=no