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bpo-40280: Move hard-coded feature checks to configure (GH-29789) #29789

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Merged

tiran merged 2 commits into python:main from tiran:bpo-40280-posix-configure

Nov 26, 2021

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bpo-40280: Move hard-coded feature checks to configure (GH-29789) #29789

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bpo-40280: Move hard-coded feature checks to configure

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3 changes: 3 additions & 0 deletions 3 Misc/NEWS.d/next/Build/2021-11-26-09-10-19.bpo-40280.xmiMJl.rst

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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		``configure`` now checks for functions ``fork1, getegid,
		geteuid, getgid, getppid, getuid, opendir, pipe, system, wait,
		ttyname``.

20 changes: 0 additions & 20 deletions 20 Modules/posixmodule.c

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -320,26 +320,6 @@ corresponding Unix manual entries for more information on calls.");
		# define HAVE_CWAIT 1
		# define HAVE_FSYNC 1
		# define fsync _commit
		# else
		/* Unix functions that the configure script doesn't check for */
		# ifndef __VXWORKS__
		# define HAVE_EXECV 1
		# define HAVE_FORK 1
		# if defined(__USLC__) && defined(__SCO_VERSION__) /* SCO UDK Compiler */
		# define HAVE_FORK1 1
		# endif
		# endif
		# define HAVE_GETEGID 1
		# define HAVE_GETEUID 1
		# define HAVE_GETGID 1
		# define HAVE_GETPPID 1
		# define HAVE_GETUID 1
		# define HAVE_KILL 1
		# define HAVE_OPENDIR 1
		# define HAVE_PIPE 1
		# define HAVE_SYSTEM 1
		# define HAVE_WAIT 1
		# define HAVE_TTYNAME 1
		# endif /* _MSC_VER */
		#endif /* ! __WATCOMC__ \|\| __QNX__ */

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51 changes: 26 additions & 25 deletions 51 configure

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -13376,31 +13376,32 @@ $as_echo "$MACHDEP_OBJS" >&6; }
		fi

		# checks for library functions
		for ac_func in alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
		clock confstr close_range copy_file_range ctermid dup3 execv explicit_bzero \
		explicit_memset faccessat fchmod fchmodat fchown fchownat \
		fdwalk fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
		futimens futimes gai_strerror getentropy \
		getgrgid getgrgid_r getgrnam_r \
		getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
		getpriority getresuid getresgid getpwent getpwnam_r getpwuid_r getspnam getspent getsid getwd \
		if_nameindex \
		initgroups kill killpg lchown lockf linkat lstat lutimes mmap \
		memrchr mbrtowc mkdirat mkfifo \
		madvise mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
		posix_fallocate posix_fadvise posix_spawn posix_spawnp pread preadv preadv2 \
		pthread_condattr_setclock pthread_init pthread_kill pwrite pwritev pwritev2 \
		readlink readlinkat readv realpath renameat \
		sem_open sem_timedwait sem_clockwait sem_getvalue sem_unlink sendfile setegid seteuid \
		setgid sethostname \
		setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
		sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
		sched_rr_get_interval shutdown \
		sigaction sigaltstack sigfillset siginterrupt sigpending sigrelse \
		sigtimedwait sigwait sigwaitinfo snprintf splice strftime strlcpy strsignal symlinkat sync \
		sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
		truncate uname unlinkat utimensat utimes vfork waitid waitpid wait3 wait4 \
		wcscoll wcsftime wcsxfrm wmemcmp writev _getpty rtpSpawn
		for ac_func in \
		accept4 alarm bind_textdomain_codeset chown clock close_range confstr \
		copy_file_range ctermid dup3 execv explicit_bzero explicit_memset \
		faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
		fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
		gai_strerror getegid getentropy geteuid getgid getgrgid getgrgid_r \
		getgrnam_r getgrouplist getgroups getitimer getloadavg getlogin \
		getpeername getpgid getpid getppid getpriority _getpty \
		getpwent getpwnam_r getpwuid_r getresgid getresuid getsid getspent \
		getspnam getuid getwd if_nameindex initgroups kill killpg lchown linkat \
		lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
		mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
		pipe2 plock poll posix_fadvise posix_fallocate posix_spawn posix_spawnp \
		pread preadv preadv2 pthread_condattr_setclock pthread_init pthread_kill \
		pwrite pwritev pwritev2 readlink readlinkat readv realpath renameat \
		rtpSpawn sched_get_priority_max sched_rr_get_interval sched_setaffinity \
		sched_setparam sched_setscheduler sem_clockwait sem_getvalue sem_open \
		sem_timedwait sem_unlink sendfile setegid seteuid setgid sethostname \
		setitimer setlocale setpgid setpgrp setpriority setregid setresgid \
		setresuid setreuid setsid setuid setvbuf shutdown sigaction sigaltstack \
		sigfillset siginterrupt sigpending sigrelse sigtimedwait sigwait \
		sigwaitinfo snprintf splice strftime strlcpy strsignal symlinkat sync \
		sysconf system tcgetpgrp tcsetpgrp tempnam timegm times tmpfile \
		tmpnam tmpnam_r truncate ttyname uname unlinkat utimensat utimes vfork \
		wait wait3 wait4 waitid waitpid wcscoll wcsftime wcsxfrm wmemcmp writev \

		do :
		as_ac_var=`$as_echo "ac_cv_func_$ac_func" \| $as_tr_sh`
		ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
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51 changes: 26 additions & 25 deletions 51 configure.ac

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -3937,31 +3937,32 @@ else
		fi

		# checks for library functions
		AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
		clock confstr close_range copy_file_range ctermid dup3 execv explicit_bzero \
		explicit_memset faccessat fchmod fchmodat fchown fchownat \
		fdwalk fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
		futimens futimes gai_strerror getentropy \
		getgrgid getgrgid_r getgrnam_r \
		getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
		getpriority getresuid getresgid getpwent getpwnam_r getpwuid_r getspnam getspent getsid getwd \
		if_nameindex \
		initgroups kill killpg lchown lockf linkat lstat lutimes mmap \
		memrchr mbrtowc mkdirat mkfifo \
		madvise mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
		posix_fallocate posix_fadvise posix_spawn posix_spawnp pread preadv preadv2 \
		pthread_condattr_setclock pthread_init pthread_kill pwrite pwritev pwritev2 \
		readlink readlinkat readv realpath renameat \
		sem_open sem_timedwait sem_clockwait sem_getvalue sem_unlink sendfile setegid seteuid \
		setgid sethostname \
		setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
		sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
		sched_rr_get_interval shutdown \
		sigaction sigaltstack sigfillset siginterrupt sigpending sigrelse \
		sigtimedwait sigwait sigwaitinfo snprintf splice strftime strlcpy strsignal symlinkat sync \
		sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
		truncate uname unlinkat utimensat utimes vfork waitid waitpid wait3 wait4 \
		wcscoll wcsftime wcsxfrm wmemcmp writev _getpty rtpSpawn)
		AC_CHECK_FUNCS([ \
		accept4 alarm bind_textdomain_codeset chown clock close_range confstr \
		copy_file_range ctermid dup3 execv explicit_bzero explicit_memset \
		faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
		fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
		gai_strerror getegid getentropy geteuid getgid getgrgid getgrgid_r \
		getgrnam_r getgrouplist getgroups getitimer getloadavg getlogin \
		getpeername getpgid getpid getppid getpriority _getpty \
		getpwent getpwnam_r getpwuid_r getresgid getresuid getsid getspent \
		getspnam getuid getwd if_nameindex initgroups kill killpg lchown linkat \
		lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
		mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
		pipe2 plock poll posix_fadvise posix_fallocate posix_spawn posix_spawnp \
		pread preadv preadv2 pthread_condattr_setclock pthread_init pthread_kill \
		pwrite pwritev pwritev2 readlink readlinkat readv realpath renameat \
		rtpSpawn sched_get_priority_max sched_rr_get_interval sched_setaffinity \
		sched_setparam sched_setscheduler sem_clockwait sem_getvalue sem_open \
		sem_timedwait sem_unlink sendfile setegid seteuid setgid sethostname \
		setitimer setlocale setpgid setpgrp setpriority setregid setresgid \
		setresuid setreuid setsid setuid setvbuf shutdown sigaction sigaltstack \
		sigfillset siginterrupt sigpending sigrelse sigtimedwait sigwait \
		sigwaitinfo snprintf splice strftime strlcpy strsignal symlinkat sync \
		sysconf system tcgetpgrp tcsetpgrp tempnam timegm times tmpfile \
		tmpnam tmpnam_r truncate ttyname uname unlinkat utimensat utimes vfork \
		wait wait3 wait4 waitid waitpid wcscoll wcsftime wcsxfrm wmemcmp writev \
		])

		# Force lchmod off for Linux. Linux disallows changing the mode of symbolic
		# links. Some libc implementations have a stub lchmod implementation that always
Expand Down

33 changes: 33 additions & 0 deletions 33 pyconfig.h.in

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -362,6 +362,9 @@
		/* Define to 1 if you have the `fork' function. */
		#undef HAVE_FORK

		/* Define to 1 if you have the `fork1' function. */
		#undef HAVE_FORK1

		/* Define to 1 if you have the `forkpty' function. */
		#undef HAVE_FORKPTY

Expand Down Expand Up		@@ -435,9 +438,18 @@
		/* Define this if you have flockfile(), getc_unlocked(), and funlockfile() */
		#undef HAVE_GETC_UNLOCKED

		/* Define to 1 if you have the `getegid' function. */
		#undef HAVE_GETEGID

		/* Define to 1 if you have the `getentropy' function. */
		#undef HAVE_GETENTROPY

		/* Define to 1 if you have the `geteuid' function. */
		#undef HAVE_GETEUID

		/* Define to 1 if you have the `getgid' function. */
		#undef HAVE_GETGID

		/* Define to 1 if you have the `getgrgid' function. */
		#undef HAVE_GETGRGID

Expand Down Expand Up		@@ -495,6 +507,9 @@
		/* Define to 1 if you have the `getpid' function. */
		#undef HAVE_GETPID

		/* Define to 1 if you have the `getppid' function. */
		#undef HAVE_GETPPID

		/* Define to 1 if you have the `getpriority' function. */
		#undef HAVE_GETPRIORITY

Expand Down Expand Up		@@ -528,6 +543,9 @@
		/* Define to 1 if you have the `getspnam' function. */
		#undef HAVE_GETSPNAM

		/* Define to 1 if you have the `getuid' function. */
		#undef HAVE_GETUID

		/* Define to 1 if you have the `getwd' function. */
		#undef HAVE_GETWD

Expand Down Expand Up		@@ -767,6 +785,9 @@
		/* Define to 1 if you have the `openat' function. */
		#undef HAVE_OPENAT

		/* Define to 1 if you have the `opendir' function. */
		#undef HAVE_OPENDIR

		/* Define to 1 if you have the `openpty' function. */
		#undef HAVE_OPENPTY

Expand All		@@ -776,6 +797,9 @@
		/* Define to 1 if you have the `pause' function. */
		#undef HAVE_PAUSE

		/* Define to 1 if you have the `pipe' function. */
		#undef HAVE_PIPE

		/* Define to 1 if you have the `pipe2' function. */
		#undef HAVE_PIPE2

Expand Down Expand Up		@@ -1137,6 +1161,9 @@
		/* Define to 1 if you have the <syslog.h> header file. */
		#undef HAVE_SYSLOG_H

		/* Define to 1 if you have the `system' function. */
		#undef HAVE_SYSTEM

		/* Define to 1 if you have the <sys/audioio.h> header file. */
		#undef HAVE_SYS_AUDIOIO_H

Expand Down Expand Up		@@ -1296,6 +1323,9 @@
		/* Define to 1 if you have the `truncate' function. */
		#undef HAVE_TRUNCATE

		/* Define to 1 if you have the `ttyname' function. */
		#undef HAVE_TTYNAME

		/* Define to 1 if you don't have `tm_zone' but do have the external array
		`tzname'. */
		#undef HAVE_TZNAME
Expand Down Expand Up		@@ -1347,6 +1377,9 @@
		/* Define to 1 if you have the `vfork' function. */
		#undef HAVE_VFORK

		/* Define to 1 if you have the `wait' function. */
		#undef HAVE_WAIT

		/* Define to 1 if you have the `wait3' function. */
		#undef HAVE_WAIT3

Expand Down

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