5.8.4/distrib/config_h.SH

32  * For a more permanent change edit $CONFIG_SH and rerun config_h.SH.
252  *	available for numeric and monetary formatting conventions.
353  *	to determine file-system related limits and options associated
358  *	to determine file-system related limits and options associated
480  *	available to change the real and effective gid of the current
485  *	available to change the real, effective and saved gid of the current
493  *	available to change the real and effective uid of the current
498  *	available to change the real, effective and saved uid of the current
555  *	to provide better numeric string conversion than atoi() and friends.
579  *	to determine system related limits and options.
615  *	available to set and get the value of the file creation mask.
659  *	include <arpa/inet.h> to get inet_addr and friends declarations.
664  *	This symbol, if defined, indicates that <dbm.h> exists and should
668  *	This symbol, if defined, indicates that <rpcsvc/dbm.h> exists and
695  *	This symbol, if defined, indicates that <dlfcn.h> exists and should
738  *	This symbol, if defined, indicates that <net/errno.h> exists and
756  *	This symbol, if defined, indicates that <stddef.h> exists and should
762  *	This symbol, if defined, indicates that <stdlib.h> exists and should
781  *	include <sys/file.h> to get definition of R_OK and friends.
786  *	This symbol, if defined, indicates that <sys/ioctl.h> exists and should
923  *	Quad_t, and its unsigned counterpar, Uquad_t. QUADKIND will be one
964  *	4 and 8. The default is eight, for safety.
978  *	On NeXT 3.2 (and greater), you can build "Fat" Multiple Architecture
981  *	for perl, where the config.h can be generated and installed on
982  *	one system, and used by a different architecture to build an
1023  *	numbers to unsigned longs, ints and shorts.
1056  *	be retained, and the output buffer.
1075  *	the __GLIBC__ and __GLIBC_MINOR__ symbols supplied with glibc.
1111  *	copy overlapping memory blocks, you should check HAS_MEMMOVE and
1118  *	and can be used to compare relative magnitudes of chars with their high
1132  *	and stack environment for later use by siglongjmp(), and
1134  *	Sigjmp_buf, Sigsetjmp, and Siglongjmp.
1137  *	This is the buffer type to be used with Sigsetjmp and Siglongjmp.
1161  *	This symbol is defined if the _ptr and _cnt fields (or similar)
1164  *	and FILE_cnt(fp) macros will also be defined and should be used
1208  *	will also be defined and should be used to access this field.
1209  *	Also, the FILE_bufsiz(fp) macro will be defined and should be used
1280  *	alternatively switch between blocking and non-blocking, use the
1290  *	not defined, then you can't distinguish between no data and EOF by
1295  *	a non-blocking file descriptor will return 0 on EOF, and not the value
1329  *	Values include 15, 16, 31, and 48.
1381  *	which perl.c:incpush() and lib/lib.pm will automatically
1399  *	and architecture-specific directories.  See PERL_INC_VERSION_LIST
1478  *	architecture-dependent modules and extensions in this directory with
1540  *	the C preprocessor on the standard input and produce to standard
1546  *	the C preprocessor on the standard input and produce to standard
1552  *	the standard input and produce to standard output. It needs to end
1589  *	to encrypt passwords and the like.
1610  *	check the script that it is executing for setuid/setgid bits, and
1617  *	to the argument on the #! line, and it should not trust any
1693  *	and PHOSTNAME.
1698  *	and PHOSTNAME.
1703  *	and HAS_UNAME.	Note that the command uses a fully qualified path,
1790  *	This symbol, if defined, indicates that the htonl() routine (and
1795  *	This symbol, if defined, indicates that the htons() routine (and
1800  *	This symbol, if defined, indicates that the ntohl() routine (and
1805  *	This symbol, if defined, indicates that the ntohs() routine (and
1849  *	available to exclusively create and open a uniquely named
1860  *	(and simultaneously the type of the first argument).
2009  *	st_blksize and st_blocks.
2070  *	a signal handler using "Signal_t (*handler)()", and define the
2077  *	getgroups() and setgroups().  Usually, this is the same as
2100  *	This symbol, if defined, indicates that <ndbm.h> exists and should
2106  *	This symbol, if defined, indicates that <netdb.h> exists and
2158  *	This symbol, if defined, indicates that <sys/uio.h> exists and
2164  *	This symbol, if defined, indicates that <stdarg.h> exists and should
2179  *	This symbol is the type of pointer returned by malloc and realloc.
2226  *	The signals in the list are separated with commas, and each signal
2241  *	The signals in the list are separated with commas, and the indices
2242  *	within that list and the SIG_NAME list match, so it's easy to compute
2255  *	and SIG_NUM arrays, excluding the final NULL entry.
2273  *	    4 = supports comparisons between pointers to void functions and
2331  *	The returned values are defined in <float.h> and are:
2423  *	The returned values are defined in <math.h> and are:
2441  *	The returned values are defined in <ieeefp.h> and are:
2459  *	The returned values are defined in <math.h> and are
2473  *	The returned values are defined in <ieeefp.h> and are:
2496  *	a normalized fraction and an integral power of 2.
2520  *	available to write a file's modified data and attributes to
2644  *	available to excluslvely create and open a uniquely named
2651  *	available to split a long double x into a fractional part f and
2652  *	an integer part i such that |f| < 1.0 and (f + i) = x.
2663  *	and 1.150000.  The bug has been seen in certain versions of glibc,
2685  *	and therefore I_LANGINFO.
2718  *	and there I_SYSUIO.
2822  *	have statfs() and struct statfs, they have ustat() and getmnt()
2823  *	with struct ustat and struct fs_data.
2946  *	the stdio file handles stored in an array and fflush them.
2948  *	even be probed for and will be left undefined.
2954  *	This symbol, if defined, indicates that <crypt.h> exists and
2990  *	This symbol, if defined, indicates that <fp.h> exists and
2996  *	This symbol, if defined, indicates that <fp_class.h> exists and
3002  *	This symbol, if defined, indicates that <ieeefp.h> exists and
3014  *	This symbol, if defined, indicates that <langinfo.h> exists and
3020  *	This symbol, if defined, indicates that <libutil.h> exists and
3026  *	This symbol, if defined, indicates that <mntent.h> exists and
3038  *	This symbol, if defined, indicates that <poll.h> exists and
3044  *	This symbol, if defined, indicates that <prot.h> exists and
3050  *	This symbol, if defined, indicates that <shadow.h> exists and
3056  *	This symbol, if defined, indicates that <socks.h> exists and
3062  *	This symbol, if defined, indicates that <sunmath.h> exists and
3068  *	This symbol, if defined, indicates that <syslog.h> exists and
3074  *	This symbol, if defined, indicates that <sys/mode.h> exists and
3080  *	This symbol, if defined, indicates that <sys/mount.h> exists and
3091  *	This symbol, if defined, indicates that <sys/statvfs.h> exists and
3097  *	This symbol, if defined, indicates that <sys/utsname.h> exists and
3103  *	This symbol, if defined, indicates that <sys/vfs.h> exists and
3109  *	This symbol, if defined, indicates that <ustat.h> exists and
3314  *	script to make sure (one hopes) that it runs with perl and not
3325  *	Usual values include _iob, __iob, and __sF.
3359  *	Defaults to define in Perls 5.8 and earlier, to undef later.
3382  *	This symbol, if defined, indicates that 64-bit interfaces and
3424  *	prototypes for gethostent(), gethostbyname(), and
3432  *	prototypes for getnetent(), getnetbyname(), and
3440  *	prototypes for getprotoent(), getprotobyname(), and
3448  *	prototypes for getservent(), getservbyname(), and
3484  *	This symbol holds the type used for the 2nd, 3rd, and 4th
3486  *	is defined, and 'int *' otherwise.  This is only useful if you
3511  *	It is zero if d_asctime_r is undef, and one of the
3524  *	It is zero if d_crypt_r is undef, and one of the
3537  *	It is zero if d_ctermid_r is undef, and one of the
3550  *	It is zero if d_ctime_r is undef, and one of the
3563  *	It is zero if d_drand48_r is undef, and one of the
3576  *	It is zero if d_endgrent_r is undef, and one of the
3589  *	It is zero if d_endhostent_r is undef, and one of the
3602  *	It is zero if d_endnetent_r is undef, and one of the
3615  *	It is zero if d_endprotoent_r is undef, and one of the
3628  *	It is zero if d_endpwent_r is undef, and one of the
3641  *	It is zero if d_endservent_r is undef, and one of the
3654  *	It is zero if d_getgrent_r is undef, and one of the
3667  *	It is zero if d_getgrgid_r is undef, and one of the
3680  *	It is zero if d_getgrnam_r is undef, and one of the
3693  *	It is zero if d_gethostbyaddr_r is undef, and one of the
3706  *	It is zero if d_gethostbyname_r is undef, and one of the
3719  *	It is zero if d_gethostent_r is undef, and one of the
3732  *	It is zero if d_getlogin_r is undef, and one of the
3745  *	It is zero if d_getnetbyaddr_r is undef, and one of the
3758  *	It is zero if d_getnetbyname_r is undef, and one of the
3771  *	It is zero if d_getnetent_r is undef, and one of the
3784  *	It is zero if d_getprotobyname_r is undef, and one of the
3797  *	It is zero if d_getprotobynumber_r is undef, and one of the
3810  *	It is zero if d_getprotoent_r is undef, and one of the
3823  *	It is zero if d_getpwent_r is undef, and one of the
3836  *	It is zero if d_getpwnam_r is undef, and one of the
3849  *	It is zero if d_getpwuid_r is undef, and one of the
3862  *	It is zero if d_getservbyname_r is undef, and one of the
3875  *	It is zero if d_getservbyport_r is undef, and one of the
3888  *	It is zero if d_getservent_r is undef, and one of the
3901  *	It is zero if d_getspnam_r is undef, and one of the
3914  *	It is zero if d_gmtime_r is undef, and one of the
3927  *	It is zero if d_localtime_r is undef, and one of the
3940  *	and __UNDETACHED.
3958  *	pthread_yield, and pthread_yield with NULL.
3975  *	It is zero if d_random_r is undef, and one of the
3988  *	It is zero if d_readdir64_r is undef, and one of the
4001  *	It is zero if d_readdir_r is undef, and one of the
4014  *	It is zero if d_setgrent_r is undef, and one of the
4027  *	It is zero if d_sethostent_r is undef, and one of the
4040  *	It is zero if d_setlocale_r is undef, and one of the
4053  *	It is zero if d_setnetent_r is undef, and one of the
4066  *	It is zero if d_setprotoent_r is undef, and one of the
4079  *	It is zero if d_setpwent_r is undef, and one of the
4092  *	It is zero if d_setservent_r is undef, and one of the
4105  *	It is zero if d_srand48_r is undef, and one of the
4118  *	It is zero if d_srandom_r is undef, and one of the
4131  *	It is zero if d_strerror_r is undef, and one of the
4144  *	It is zero if d_tmpnam_r is undef, and one of the
4157  *	It is zero if d_ttyname_r is undef, and one of the
4243  *	This symbol holds the return type of getgid() and the type of
4244  *	argument to setrgid() and related functions.  Typically,