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fa4a430080
NuttX x86_64 (qemu-intel64) builds with the native host gcc, which exposed several host-environment leaks in the CPython cross build: - Pass the -D/-U macro flags from CFLAGS as CPPFLAGS so preprocessor-only configure probes (Misc/platform_triplet.c) do not see the host's __linux__ and misdetect the platform as x86_64-linux-gnu, enabling Linux-only code such as the perf trampoline. - Force linux/random.h and sys/xattr.h probes to no in config.site: NuttX provides neither, but a native toolchain resolves them against the host /usr/include. The former drags host ioctl macros into posixmodule, the latter enables os xattr support with no xattr syscalls to link against. - Disable _curses, _curses_panel, _dbm, _gdbm, _hashlib and _tkinter: their host libraries are discovered via pkg-config when the target compiler can compile host headers. hashlib keeps working through the built-in HACL implementations. - Only build _posixsubprocess when the arch has a real fork(): its vfork() support is only an optimization and the fork() fallback path (PyOS_BeforeFork/PyOS_AfterFork_*) is compiled unconditionally but declared only under HAVE_FORK. This also fixes rv-virt:python, which became vfork-only after the fork/vfork split. Signed-off-by: raiden00pl <raiden00@railab.me> Assisted-by: Claude Code
43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
export MODULE_BUILDTYPE="static"
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export ac_cv_file__dev_ptmx="no"
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export ac_cv_file__dev_ptc="no"
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export ac_cv_buggy_getaddrinfo="no"
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export ac_cv_func_getaddrinfo="yes"
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export ac_cv_pthread_is_default="yes"
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export ac_cv_func_acosh="yes"
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export ac_cv_func_asinh="yes"
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export ac_cv_func_atanh="yes"
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export ac_cv_func_erf="yes"
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export ac_cv_func_erfc="yes"
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export ac_cv_func_expm1="yes"
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export ac_cv_func_log1p="yes"
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export ac_cv_func_log2="yes"
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export ac_cv_func_clock_gettime="yes"
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export ac_cv_header_sys_syscall_h="no"
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export ac_cv_func_timegm="yes"
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export ac_cv_func_clock="yes"
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export ac_cv_func_waitpid="yes"
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export ac_cv_func_pipe="yes"
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export ac_cv_enable_strict_prototypes_warning="no"
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export ac_cv_func_getnameinfo="yes"
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export ac_cv_func_poll="yes"
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export ac_cv_func_gethostname="yes"
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export ac_cv_func_lstat="yes"
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export ac_cv_func_readlink="yes"
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export ac_cv_func_realpath="yes"
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export ac_cv_func_getpid="yes"
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export ac_cv_func_utime="yes"
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export ac_cv_func_utimes="yes"
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export ac_cv_func_getuid="yes"
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export ac_cv_func_sysconf="yes"
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export ac_cv_func_umask="yes"
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export ac_cv_func_ffi_prep_cif_var="yes"
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export ac_cv_func_ffi_prep_closure_loc="yes"
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export ac_cv_func_ffi_closure_alloc="yes"
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export ac_cv_func_utimes="no"
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# NuttX provides neither header; without the overrides a native toolchain
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# (x86_64) resolves them against the host /usr/include, dragging host
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# ioctl macros into posixmodule and enabling xattr support that cannot
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# link.
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export ac_cv_header_linux_random_h="no"
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export ac_cv_header_sys_xattr_h="no"
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