2021-12-18 16:54:02 +02:00
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# config.site override for cross compiling to wasm32-emscripten platform
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#
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# CONFIG_SITE=Tools/wasm/config.site-wasm32-emscripten \
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# emconfigure ./configure --host=wasm32-unknown-emscripten --build=...
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#
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# Written by Christian Heimes <christian@python.org>
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# Partly based on pyodide's pyconfig.undefs.h file.
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#
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# cannot be detected in cross builds
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ac_cv_buggy_getaddrinfo=no
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# Emscripten has no /dev/pt*
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ac_cv_file__dev_ptmx=no
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ac_cv_file__dev_ptc=no
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# dummy readelf, Emscripten build does not need readelf.
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ac_cv_prog_ac_ct_READELF=true
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# new undefined symbols / unsupported features
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ac_cv_func_posix_spawn=no
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ac_cv_func_posix_spawnp=no
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ac_cv_func_eventfd=no
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ac_cv_func_memfd_create=no
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ac_cv_func_prlimit=no
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# unsupported syscall, https://github.com/emscripten-core/emscripten/issues/13393
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ac_cv_func_shutdown=no
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# breaks build, see https://github.com/ethanhs/python-wasm/issues/16
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ac_cv_lib_bz2_BZ2_bzCompress=no
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2022-01-12 17:08:19 +02:00
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# clock_nanosleep() causes time.sleep() to sleep forever.
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# nanosleep() works correctly
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ac_cv_func_clock_nanosleep=no
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ac_cv_lib_rt_clock_nanosleep=no
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2021-12-18 16:54:02 +02:00
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# The rest is based on pyodide
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# https://github.com/pyodide/pyodide/blob/main/cpython/pyconfig.undefs.h
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2022-01-09 02:58:59 -08:00
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ac_cv_func_epoll_create=no
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2021-12-18 16:54:02 +02:00
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ac_cv_func_epoll_create1=no
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ac_cv_header_linux_vm_sockets_h=no
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ac_cv_func_socketpair=no
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ac_cv_func_utimensat=no
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ac_cv_func_sigaction=no
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2022-01-14 19:48:44 +02:00
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# Untested or failing syscalls in emscripten
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2021-12-18 16:54:02 +02:00
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ac_cv_func_openat=no
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ac_cv_func_mkdirat=no
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2022-01-14 19:48:44 +02:00
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ac_cv_func_faccessat=no
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2021-12-18 16:54:02 +02:00
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ac_cv_func_fchownat=no
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ac_cv_func_renameat=no
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ac_cv_func_linkat=no
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ac_cv_func_symlinkat=no
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ac_cv_func_readlinkat=no
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ac_cv_func_fchmodat=no
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ac_cv_func_dup3=no
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# Syscalls not implemented in emscripten
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2022-01-20 19:56:33 +02:00
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# [Errno 52] Function not implemented
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2021-12-18 16:54:02 +02:00
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ac_cv_func_preadv2=no
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ac_cv_func_preadv=no
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ac_cv_func_pwritev2=no
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ac_cv_func_pwritev=no
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ac_cv_func_pipe2=no
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ac_cv_func_nice=no
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2022-01-20 19:56:33 +02:00
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ac_cv_func_setitimer=no
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2021-12-18 16:54:02 +02:00
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# Syscalls that resulted in a segfault
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ac_cv_func_utimensat=no
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ac_cv_header_sys_ioctl_h=no
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# sockets are supported, but only in non-blocking mode
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# ac_cv_header_sys_socket_h=no
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2022-01-14 19:48:44 +02:00
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# aborts with bad ioctl
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ac_cv_func_openpty=no
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ac_cv_func_forkpty=no
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# To use dlopen, you need to use Emscripten's linking support,
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# see https://github.com/emscripten-core/emscripten/wiki/Linking)
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ac_cv_func_dlopen=no
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