+
+!!!!!!! DO NOT EDIT THIS FILE !!!!!!!
+This file is built by metaconfig.
+
This file contains a description of all the shell variables whose value is
determined by the Configure script. Variables intended for use in C
programs (e.g. I_UNISTD) are already described in config_h.SH. [`configpm'
the formatting regular.]
_a (Unix.U):
- This variable defines the extension used for ordinary libraries.
+ This variable defines the extension used for ordinary library files.
For unix, it is '.a'. The '.' is included. Other possible
values include '.lib'.
_exe (Unix.U):
This variable defines the extension used for executable files.
- For unix it is empty. Other possible values include '.exe'.
+ DJGPP, Cygwin and OS/2 use '.exe'. Stratus VOS uses '.pm'.
+ On operating systems which do not require a specific extension
+ for executable files, this variable is empty.
_o (Unix.U):
This variable defines the extension used for object files.
This variable is by default set to '/afs'. In the unlikely case
this is not the correct root, it is possible to override this with
a hint value or command line option. This will be used in subsequent
- tests for AFSness in the Perl configure and test process.
+ tests for AFSness in the configure and test process.
alignbytes (alignbytes.U):
This variable holds the number of bytes required to align a
2, 4 and 8. The default is eight, for safety.
ansi2knr (ansi2knr.U):
- This variable is set if the user needs to run ansi2knr.
+ This variable is set if the user needs to run ansi2knr.
Currently, this is not supported, so we just abort.
aphostname (d_gethname.U):
such as '5.6.1', api_revision is the '5'.
Prior to 5.5.640, the format was a floating point number,
like 5.00563.
- perl.c:incpush() and lib/lib.pm will automatically search in
+
+ perl.c:incpush() and lib/lib.pm will automatically search in
$sitelib/.. for older directories back to the limit specified
by these api_ variables. This is only useful if you have a
perl library directory tree structured like the default one.
directory was introduced in 5.005, so that is the lowest
possible value. The version list appropriate for the current
system is determined in inc_version_list.U.
- XXX To do: Since compatibility can depend on compile time
+
+ XXX To do: Since compatibility can depend on compile time
options (such as bincompat, longlong, etc.) it should
(perhaps) be set by Configure, but currently it isn't.
Currently, we read a hard-wired value from patchlevel.h.
This variable is the same as the archlib variable, but is
filename expanded at configuration time, for convenient use.
-archname64 (use64bits.U):
- This variable is used for the 64-bitness part of $archname.
-
archname (archname.U):
This variable is a short name to characterize the current
architecture. It is used mainly to construct the default archlib.
+archname64 (use64bits.U):
+ This variable is used for the 64-bitness part of $archname.
+
archobjs (Unix.U):
This variable defines any additional objects that must be linked
in with the program on this architecture. On unix, it is usually
or other facilities. For perl on OS/2, for example, this would
include os2/os2.obj.
+asctime_r_proto (d_asctime_r.U):
+ This variable encodes the prototype of asctime_r.
+ It is zero if d_asctime_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_asctime_r
+ is defined.
+
awk (Loc.U):
This variable is used internally by Configure to determine the
full pathname (if any) of the awk program. After Configure runs,
bash (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
bin (bin.U):
This variable holds the name of the directory in which the user wants
is most often a local directory such as /usr/local/bin. Programs using
this variable must be prepared to deal with ~name substitution.
-bincompat5005 (bincompat5005.U):
- This variable contains y if this version of Perl should be
- binary-compatible with Perl 5.005.
+bin_ELF (dlsrc.U):
+ This variable saves the result from configure if generated binaries
+ are in ELF format. Only set to defined when the test has actually
+ been performed, and the result was positive.
binexp (bin.U):
This is the same as the bin variable, but is filename expanded at
the value is reset to a plain "byacc" and is not useful.
byteorder (byteorder.U):
- This variable holds the byte order. In the following, larger digits
- indicate more significance. The variable byteorder is either 4321
- on a big-endian machine, or 1234 on a little-endian, or 87654321
- on a Cray ... or 3412 with weird order !
+ This variable holds the byte order in a UV. In the following,
+ larger digits indicate more significance. The variable byteorder
+ is either 4321 on a big-endian machine, or 1234 on a little-endian,
+ or 87654321 on a Cray ... or 3412 with weird order !
c (n.U):
This variable contains the \c string if that is what causes the echo
Holds the output of the "date" command when the configuration file was
produced. This is used to tag both config.sh and config_h.SH.
+charbits (charsize.U):
+ This variable contains the value of the CHARBITS symbol, which
+ indicates to the C program how many bits there are in a character.
+
charsize (charsize.U):
This variable contains the value of the CHARSIZE symbol, which
indicates to the C program how many bytes there are in a character.
chgrp (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
chmod (Loc.U):
This variable is used internally by Configure to determine the
chown (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
clocktype (d_times.U):
This variable holds the type returned by times(). It can be long,
compress (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+config_arg0 (Options.U):
+ This variable contains the string used to invoke the Configure
+ command, as reported by the shell in the $0 variable.
+
+config_argc (Options.U):
+ This variable contains the number of command-line arguments
+ passed to Configure, as reported by the shell in the $# variable.
+ The individual arguments are stored as variables config_arg1,
+ config_arg2, etc.
+
+config_args (Options.U):
+ This variable contains a single string giving the command-line
+ arguments passed to Configure. Spaces within arguments,
+ quotes, and escaped characters are not correctly preserved.
+ To reconstruct the command line, you must assemble the individual
+ command line pieces, given in config_arg[0-9]*.
contains (contains.U):
This variable holds the command to do a grep with a proper return
cpio (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
cpp (Loc.U):
This variable is used internally by Configure to determine the
the value is reset to a plain "cpp" and is not useful.
cpp_stuff (cpp_stuff.U):
- This variable contains an identification of the catenation mechanism
+ This variable contains an identification of the concatenation mechanism
used by the C preprocessor.
cppccsymbols (Cppsym.U):
not in this list, see ccsymbols and cppccsymbols.
The list is a space-separated list of symbol=value tokens.
+crypt_r_proto (d_crypt_r.U):
+ This variable encodes the prototype of crypt_r.
+ It is zero if d_crypt_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_crypt_r
+ is defined.
+
cryptlib (d_crypt.U):
This variable holds -lcrypt or the path to a libcrypt.a archive if
the crypt() function is not defined in the standard C library. It is
full pathname (if any) of the csh program. After Configure runs,
the value is reset to a plain "csh" and is not useful.
+ctermid_r_proto (d_ctermid_r.U):
+ This variable encodes the prototype of ctermid_r.
+ It is zero if d_ctermid_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctermid_r
+ is defined.
+
+ctime_r_proto (d_ctime_r.U):
+ This variable encodes the prototype of ctime_r.
+ It is zero if d_ctime_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctime_r
+ is defined.
+
d__fwalk (d__fwalk.U):
This variable conditionally defines HAS__FWALK if _fwalk() is
available to apply a function to all the file handles.
This variable conditionally defines the HAS_ACCESSX symbol, which
indicates to the C program that the accessx() routine is available.
+d_acosh (d_acosh.U):
+ This variable conditionally defines the HAS_ACOSH symbol, which
+ indicates to the C program that the acosh() routine is available.
+
+d_aintl (d_aintl.U):
+ This variable conditionally defines the HAS_AINTL symbol, which
+ indicates to the C program that the aintl() routine is available.
+ If copysignl is also present we can emulate modfl.
+
d_alarm (d_alarm.U):
This variable conditionally defines the HAS_ALARM symbol, which
indicates to the C program that the alarm() routine is available.
of architecture-dependent library files for $package. If
$archlib is the same as $privlib, then this is set to undef.
+d_asctime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_ASCTIME64 symbol, which
+ indicates to the C program that the asctime64 () routine is available.
+
+d_asctime_r (d_asctime_r.U):
+ This variable conditionally defines the HAS_ASCTIME_R symbol,
+ which indicates to the C program that the asctime_r()
+ routine is available.
+
+d_asinh (d_asinh.U):
+ This variable conditionally defines the HAS_ASINH symbol, which
+ indicates to the C program that the asinh() routine is available.
+
+d_atanh (d_atanh.U):
+ This variable conditionally defines the HAS_ATANH symbol, which
+ indicates to the C program that the atanh() routine is available.
+
d_atolf (atolf.U):
This variable conditionally defines the HAS_ATOLF symbol, which
indicates to the C program that the atolf() routine is available.
This variable conditionally defines the HAS_ATOLL symbol, which
indicates to the C program that the atoll() routine is available.
-d_attribut (d_attribut.U):
- This variable conditionally defines HASATTRIBUTE, which
- indicates the C compiler can check for function attributes,
- such as printf formats.
+d_attribute_deprecated (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_DEPRECATED, which
+ indicates that GCC can handle the attribute for marking deprecated
+ APIs
+
+d_attribute_format (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_FORMAT, which
+ indicates the C compiler can check for printf-like formats.
+
+d_attribute_malloc (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_MALLOC, which
+ indicates the C compiler can understand functions as having
+ malloc-like semantics.
+
+d_attribute_nonnull (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_NONNULL, which
+ indicates that the C compiler can know that certain arguments
+ must not be NULL, and will check accordingly at compile time.
+
+d_attribute_noreturn (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_NORETURN, which
+ indicates that the C compiler can know that certain functions
+ are guaranteed never to return.
+
+d_attribute_pure (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_PURE, which
+ indicates that the C compiler can know that certain functions
+ are "pure" functions, meaning that they have no side effects, and
+ only rely on function input and/or global data for their results.
+
+d_attribute_unused (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_UNUSED, which
+ indicates that the C compiler can know that certain variables
+ and arguments may not always be used, and to not throw warnings
+ if they don't get used.
+
+d_attribute_warn_unused_result (d_attribut.U):
+ This variable conditionally defines
+ HASATTRIBUTE_WARN_UNUSED_RESULT, which indicates that the C
+ compiler can know that certain functions have a return values
+ that must not be ignored, such as malloc() or open().
+
+d_backtrace (d_backtrace.U):
+ This variable conditionally defines the HAS_BACKTRACE symbol, which
+ indicates to the C program that the backtrace() routine is available
+ to get a stack trace.
d_bcmp (d_bcmp.U):
This variable conditionally defines the HAS_BCMP symbol if
This variable conditionally defines the HAS_BCOPY symbol if
the bcopy() routine is available to copy strings.
-d_bincompat5005 (bincompat5005.U):
- This variable conditionally defines BINCOMPAT5005 so that embed.h
- can take special action if this version of Perl should be
- binary-compatible with Perl 5.005. This is impossible for builds
- that use features like threads and multiplicity it is always $undef
- for those versions.
-
d_bsd (Guess.U):
This symbol conditionally defines the symbol BSD when running on a
BSD system.
setpgrp needs two arguments whereas USG one needs none.
See also d_setpgid for a POSIX interface.
+d_builtin_choose_expr (d_builtin.U):
+ This conditionally defines HAS_BUILTIN_CHOOSE_EXPR, which
+ indicates that the compiler supports __builtin_choose_expr(x,y,z).
+ This built-in function is analogous to the "x?y:z" operator in C,
+ except that the expression returned has its type unaltered by
+ promotion rules. Also, the built-in function does not evaluate
+ the expression that was not chosen.
+
+d_builtin_expect (d_builtin.U):
+ This conditionally defines HAS_BUILTIN_EXPECT, which indicates
+ that the compiler supports __builtin_expect(exp,c). You may use
+ __builtin_expect to provide the compiler with branch prediction
+ information.
+
d_bzero (d_bzero.U):
This variable conditionally defines the HAS_BZERO symbol if
the bzero() routine is available to set memory to 0.
+d_c99_variadic_macros (d_c99_variadic.U):
+ This variable conditionally defines the HAS_C99_VARIADIC_MACROS
+ symbol, which indicates to the C program that C99 variadic macros
+ are available.
+
d_casti32 (d_casti32.U):
This variable conditionally defines CASTI32, which indicates
whether the C compiler can cast large floats to 32-bit ints.
d_castneg (d_castneg.U):
This variable conditionally defines CASTNEG, which indicates
- wether the C compiler can cast negative float to unsigned.
+ whether the C compiler can cast negative float to unsigned.
+
+d_cbrt (d_cbrt.U):
+ This variable conditionally defines the HAS_CBRT symbol, which
+ indicates to the C program that the cbrt() (cube root) function
+ is available.
d_charvspr (d_vprintf.U):
This variable conditionally defines CHARVSPRINTF if this system
This variable conditionally defines the HAS_CLASS symbol, which
indicates to the C program that the class() routine is available.
+d_clearenv (d_clearenv.U):
+ This variable conditionally defines the HAS_CLEARENV symbol, which
+ indicates to the C program that the clearenv () routine is available.
+
d_closedir (d_closedir.U):
This variable conditionally defines HAS_CLOSEDIR if closedir() is
available.
indicates to the C program that this C compiler knows about the
const type.
+d_copysign (d_copysign.U):
+ This variable conditionally defines the HAS_COPYSIGN symbol, which
+ indicates to the C program that the copysign() routine is available.
+
+d_copysignl (d_copysignl.U):
+ This variable conditionally defines the HAS_COPYSIGNL symbol, which
+ indicates to the C program that the copysignl() routine is available.
+ If aintl is also present we can emulate modfl.
+
+d_cplusplus (d_cplusplus.U):
+ This variable conditionally defines the USE_CPLUSPLUS symbol, which
+ indicates that a C++ compiler was used to compiled Perl and will be
+ used to compile extensions.
+
d_crypt (d_crypt.U):
This variable conditionally defines the CRYPT symbol, which
indicates to the C program that the crypt() routine is available
to encrypt passwords and the like.
+d_crypt_r (d_crypt_r.U):
+ This variable conditionally defines the HAS_CRYPT_R symbol,
+ which indicates to the C program that the crypt_r()
+ routine is available.
+
d_csh (d_csh.U):
This variable conditionally defines the CSH symbol, which
indicates to the C program that the C-shell exists.
+d_ctermid (d_ctermid.U):
+ This variable conditionally defines CTERMID if ctermid() is
+ available to generate filename for terminal.
+
+d_ctermid_r (d_ctermid_r.U):
+ This variable conditionally defines the HAS_CTERMID_R symbol,
+ which indicates to the C program that the ctermid_r()
+ routine is available.
+
+d_ctime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_CTIME64 symbol, which
+ indicates to the C program that the ctime64 () routine is available.
+
+d_ctime_r (d_ctime_r.U):
+ This variable conditionally defines the HAS_CTIME_R symbol,
+ which indicates to the C program that the ctime_r()
+ routine is available.
+
d_cuserid (d_cuserid.U):
This variable conditionally defines the HAS_CUSERID symbol, which
indicates to the C program that the cuserid() routine is available
This variable conditionally defines the HAS_DIFFTIME symbol, which
indicates to the C program that the difftime() routine is available.
+d_difftime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_DIFFTIME64 symbol, which
+ indicates to the C program that the difftime64 () routine is available.
+
+d_dir_dd_fd (d_dir_dd_fd.U):
+ This variable conditionally defines the HAS_DIR_DD_FD symbol, which
+ indicates that the DIR directory stream type contains a member
+ variable called dd_fd.
+
+d_dirfd (d_dirfd.U):
+ This variable conditionally defines the HAS_DIRFD constant,
+ which indicates to the C program that dirfd() is available
+ to return the file descriptor of a directory stream.
+
d_dirnamlen (i_dirent.U):
This variable conditionally defines DIRNAMLEN, which indicates
to the C program that the length of directory entry names is
provided by a d_namelen field.
+d_dladdr (d_dladdr.U):
+ This variable conditionally defines the HAS_DLADDR symbol, which
+ indicates to the C program that the dladdr() routine is available
+ to get a stack trace.
+
d_dlerror (d_dlerror.U):
This variable conditionally defines the HAS_DLERROR symbol, which
indicates to the C program that the dlerror() routine is available.
tells the C program that it should insert setuid emulation code
on hosts which have setuid #! scripts disabled.
+d_double_has_inf (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_INF
+ which indicates that the double type has an infinity.
+
+d_double_has_nan (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_INF
+ which indicates that the double type has a not-a-number.
+
+d_double_has_negative_zero (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_NEGATIVE_ZERO
+ which indicates that the double type has a negative zero.
+
+d_double_has_subnormals (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_SUBNORMALS
+ which indicates that the double type has subnormals (denormals).
+
+d_double_style_cray (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_CRAY
+ which indicates that the double is the 64-bit CRAY mainframe format.
+
+d_double_style_ibm (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_IBM,
+ which indicates that the double is the 64-bit IBM mainframe format.
+
+d_double_style_ieee (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_IEEE,
+ which indicates that the double is the 64-bit IEEE 754.
+
+d_double_style_vax (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_VAX,
+ which indicates that the double is the 64-bit VAX format D or G.
+
+d_drand48_r (d_drand48_r.U):
+ This variable conditionally defines the HAS_DRAND48_R symbol,
+ which indicates to the C program that the drand48_r()
+ routine is available.
+
d_drand48proto (d_drand48proto.U):
This variable conditionally defines the HAS_DRAND48_PROTO symbol,
which indicates to the C program that the system provides
This variable conditionally defines HAS_DUP2 if dup2() is
available to duplicate file descriptors.
+d_duplocale (d_newlocale.U):
+ This variable conditionally defines the HAS_DUPLOCALE symbol, which
+ indicates to the C program that the duplocale() routine is available
+ to duplicate a locale object.
+
d_eaccess (d_eaccess.U):
This variable conditionally defines the HAS_EACCESS symbol, which
indicates to the C program that the eaccess() routine is available.
indicates to the C program that the endgrent() routine is available
for sequential access of the group database.
+d_endgrent_r (d_endgrent_r.U):
+ This variable conditionally defines the HAS_ENDGRENT_R symbol,
+ which indicates to the C program that the endgrent_r()
+ routine is available.
+
d_endhent (d_endhent.U):
This variable conditionally defines HAS_ENDHOSTENT if endhostent() is
available to close whatever was being used for host queries.
+d_endhostent_r (d_endhostent_r.U):
+ This variable conditionally defines the HAS_ENDHOSTENT_R symbol,
+ which indicates to the C program that the endhostent_r()
+ routine is available.
+
d_endnent (d_endnent.U):
This variable conditionally defines HAS_ENDNETENT if endnetent() is
available to close whatever was being used for network queries.
+d_endnetent_r (d_endnetent_r.U):
+ This variable conditionally defines the HAS_ENDNETENT_R symbol,
+ which indicates to the C program that the endnetent_r()
+ routine is available.
+
d_endpent (d_endpent.U):
This variable conditionally defines HAS_ENDPROTOENT if endprotoent() is
available to close whatever was being used for protocol queries.
+d_endprotoent_r (d_endprotoent_r.U):
+ This variable conditionally defines the HAS_ENDPROTOENT_R symbol,
+ which indicates to the C program that the endprotoent_r()
+ routine is available.
+
d_endpwent (d_endpwent.U):
This variable conditionally defines the HAS_ENDPWENT symbol, which
indicates to the C program that the endpwent() routine is available
for sequential access of the passwd database.
+d_endpwent_r (d_endpwent_r.U):
+ This variable conditionally defines the HAS_ENDPWENT_R symbol,
+ which indicates to the C program that the endpwent_r()
+ routine is available.
+
d_endsent (d_endsent.U):
This variable conditionally defines HAS_ENDSERVENT if endservent() is
available to close whatever was being used for service queries.
+d_endservent_r (d_endservent_r.U):
+ This variable conditionally defines the HAS_ENDSERVENT_R symbol,
+ which indicates to the C program that the endservent_r()
+ routine is available.
+
d_eofnblk (nblock_io.U):
This variable conditionally defines EOF_NONBLOCK if EOF can be seen
when reading from a non-blocking I/O source.
+d_erf (d_erf.U):
+ This variable conditionally defines the HAS_ERF symbol, which
+ indicates to the C program that the erf() routine is available.
+
+d_erfc (d_erfc.U):
+ This variable conditionally defines the HAS_ERFC symbol, which
+ indicates to the C program that the erfc() routine is available.
+
d_eunice (Guess.U):
This variable conditionally defines the symbols EUNICE and VAX, which
- alerts the C program that it must deal with ideosyncracies of VMS.
+ alerts the C program that it must deal with idiosyncrasies of VMS.
+
+d_exp2 (d_exp2.U):
+ This variable conditionally defines the HAS_EXP2 symbol, which
+ indicates to the C program that the exp2() routine is available.
+
+d_expm1 (d_expm1.U):
+ This variable conditionally defines the HAS_EXPM1 symbol, which
+ indicates to the C program that the expm1() routine is available.
+
+d_faststdio (d_faststdio.U):
+ This variable conditionally defines the HAS_FAST_STDIO symbol,
+ which indicates to the C program that the "fast stdio" is available
+ to manipulate the stdio buffers directly.
d_fchdir (d_fchdir.U):
This variable conditionally defines the HAS_FCHDIR symbol, which
indicates to the C program that the fchmod() routine is available
to change mode of opened files.
+d_fchmodat (d_fsat.U):
+ This variable conditionally defines the HAS_FCHMODAT symbol, which
+ indicates the POSIX fchmodat() function is available.
+
d_fchown (d_fchown.U):
This variable conditionally defines the HAS_FCHOWN symbol, which
indicates to the C program that the fchown() routine is available
This variable contains the eventual value of the HAS_FD_SET symbol,
which indicates if your C compiler knows about the fd_set typedef.
+d_fdclose (d_fdclose.U):
+ This variable conditionally defines the HAS_FDCLOSE symbol, which
+ indicates to the C program that the fdclose() routine is available.
+
+d_fdim (d_fdim.U):
+ This variable conditionally defines the HAS_FDIM symbol, which
+ indicates to the C program that the fdim() routine is available.
+
d_fds_bits (d_fd_set.U):
This variable contains the eventual value of the HAS_FDS_BITS symbol,
which indicates if your fd_set typedef contains the fds_bits member.
a half-fast job and neglected to provide the macros to manipulate
an fd_set, HAS_FDS_BITS will let us know how to fix the gaffe.
+d_fegetround (d_fegetround.U):
+ This variable conditionally defines HAS_FEGETROUND if fegetround() is
+ available to get the floating point rounding mode.
+
d_fgetpos (d_fgetpos.U):
This variable conditionally defines HAS_FGETPOS if fgetpos() is
available to get the file position indicator.
a prototype for the flock() function. Otherwise, it is
up to the program to supply one.
+d_fma (d_fma.U):
+ This variable conditionally defines the HAS_FMA symbol, which
+ indicates to the C program that the fma() routine is available.
+
+d_fmax (d_fmax.U):
+ This variable conditionally defines the HAS_FMAX symbol, which
+ indicates to the C program that the fmax() routine is available.
+
+d_fmin (d_fmin.U):
+ This variable conditionally defines the HAS_FMIN symbol, which
+ indicates to the C program that the fmin() routine is available.
+
d_fork (d_fork.U):
This variable conditionally defines the HAS_FORK symbol, which
indicates to the C program that the fork() routine is available.
This variable conditionally defines the HAS_FP_CLASS symbol, which
indicates to the C program that the fp_class() routine is available.
+d_fp_classify (d_fpclassify.U):
+ This variable conditionally defines the HAS_FP_CLASSIFY symbol, which
+ indicates to the C program that the fp_classify() routine is available.
+
+d_fp_classl (d_fp_classl.U):
+ This variable conditionally defines the HAS_FP_CLASSL symbol, which
+ indicates to the C program that the fp_classl() routine is available.
+
d_fpathconf (d_pathconf.U):
This variable conditionally defines the HAS_FPATHCONF symbol, which
indicates to the C program that the pathconf() routine is available
This variable conditionally defines the HAS_FPCLASSL symbol, which
indicates to the C program that the fpclassl() routine is available.
+d_fpgetround (d_fpgetround.U):
+ This variable conditionally defines HAS_FPGETROUND if fpgetround()
+ is available to get the floating point rounding mode.
+
d_fpos64_t (d_fpos64_t.U):
This symbol will be defined if the C compiler supports fpos64_t.
+d_freelocale (d_newlocale.U):
+ This variable conditionally defines the HAS_FREELOCALE symbol, which
+ indicates to the C program that the freelocale() routine is available
+ to deallocates the resources associated with a locale object.
+
d_frexpl (d_frexpl.U):
This variable conditionally defines the HAS_FREXPL symbol, which
indicates to the C program that the frexpl() routine is available.
that the ftime() routine exists. The ftime() routine is basically
a sub-second accuracy clock.
+d_futimes (d_futimes.U):
+ This variable conditionally defines the HAS_FUTIMES symbol, which
+ indicates to the C program that the futimes() routine is available.
+
+d_gai_strerror (d_gai_strerror.U):
+ This variable conditionally defines the HAS_GAI_STRERROR symbol
+ if the gai_strerror() routine is available and can be used to
+ translate error codes returned by getaddrinfo() into human
+ readable strings.
+
d_Gconvert (d_gconvert.U):
This variable holds what Gconvert is defined as to convert
- floating point numbers into strings. It could be 'gconvert'
- or a more complex macro emulating gconvert with gcvt() or sprintf.
- Possible values are:
- d_Gconvert='gconvert((x),(n),(t),(b))'
- d_Gconvert='gcvt((x),(n),(b))'
- d_Gconvert='sprintf((b),"%.*g",(n),(x))'
+ floating point numbers into strings. By default, Configure
+ sets this macro to use the first of gconvert, gcvt, or sprintf
+ that pass sprintf-%g-like behavior tests. If perl is using
+ long doubles, the macro uses the first of the following
+ functions that pass Configure's tests: qgcvt, sprintf (if
+ Configure knows how to make sprintf format long doubles--see
+ sPRIgldbl), gconvert, gcvt, and sprintf (casting to double).
+ The gconvert_preference and gconvert_ld_preference variables
+ can be used to alter Configure's preferences, for doubles and
+ long doubles, respectively. If present, they contain a
+ space-separated list of one or more of the above function
+ names in the order they should be tried.
+
+ d_Gconvert may be set to override Configure with a platform-
+ specific function. If this function expects a double, a
+ different value may need to be set by the uselongdouble.cbu
+ call-back unit so that long doubles can be formatted without
+ loss of precision.
+
+d_gdbm_ndbm_h_uses_prototypes (i_ndbm.U):
+ This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
+ which indicates that the gdbm-ndbm.h include file uses real ANSI C
+ prototypes instead of K&R style function declarations. K&R style
+ declarations are unsupported in C++, so the include file requires
+ special handling when using a C++ compiler and this variable is
+ undefined. Consult the different d_*ndbm_h_uses_prototypes variables
+ to get the same information for alternative ndbm.h include files.
+
+d_gdbmndbm_h_uses_prototypes (i_ndbm.U):
+ This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
+ which indicates that the gdbm/ndbm.h include file uses real ANSI C
+ prototypes instead of K&R style function declarations. K&R style
+ declarations are unsupported in C++, so the include file requires
+ special handling when using a C++ compiler and this variable is
+ undefined. Consult the different d_*ndbm_h_uses_prototypes variables
+ to get the same information for alternative ndbm.h include files.
+
+d_getaddrinfo (d_getaddrinfo.U):
+ This variable conditionally defines the HAS_GETADDRINFO symbol,
+ which indicates to the C program that the getaddrinfo() function
+ is available.
d_getcwd (d_getcwd.U):
This variable conditionally defines the HAS_GETCWD symbol, which
d_getespwnam (d_getespwnam.U):
This variable conditionally defines HAS_GETESPWNAM if getespwnam() is
- available to retrieve enchanced (shadow) password entries by name.
+ available to retrieve enhanced (shadow) password entries by name.
d_getfsstat (d_getfsstat.U):
This variable conditionally defines the HAS_GETFSSTAT symbol, which
indicates to the C program that the getgrent() routine is available
for sequential access of the group database.
+d_getgrent_r (d_getgrent_r.U):
+ This variable conditionally defines the HAS_GETGRENT_R symbol,
+ which indicates to the C program that the getgrent_r()
+ routine is available.
+
+d_getgrgid_r (d_getgrgid_r.U):
+ This variable conditionally defines the HAS_GETGRGID_R symbol,
+ which indicates to the C program that the getgrgid_r()
+ routine is available.
+
+d_getgrnam_r (d_getgrnam_r.U):
+ This variable conditionally defines the HAS_GETGRNAM_R symbol,
+ which indicates to the C program that the getgrnam_r()
+ routine is available.
+
d_getgrps (d_getgrps.U):
This variable conditionally defines the HAS_GETGROUPS symbol, which
indicates to the C program that the getgroups() routine is available
indicates to the C program that the gethostname() routine may be
used to derive the host name.
+d_gethostbyaddr_r (d_gethostbyaddr_r.U):
+ This variable conditionally defines the HAS_GETHOSTBYADDR_R symbol,
+ which indicates to the C program that the gethostbyaddr_r()
+ routine is available.
+
+d_gethostbyname_r (d_gethostbyname_r.U):
+ This variable conditionally defines the HAS_GETHOSTBYNAME_R symbol,
+ which indicates to the C program that the gethostbyname_r()
+ routine is available.
+
+d_gethostent_r (d_gethostent_r.U):
+ This variable conditionally defines the HAS_GETHOSTENT_R symbol,
+ which indicates to the C program that the gethostent_r()
+ routine is available.
+
d_gethostprotos (d_gethostprotos.U):
This variable conditionally defines the HAS_GETHOST_PROTOS symbol,
which indicates to the C program that <netdb.h> supplies
- prototypes for the various gethost*() functions.
+ prototypes for the various gethost*() functions.
See also netdbtype.U for probing for various netdb types.
d_getitimer (d_getitimer.U):
indicates to the C program that the getlogin() routine is available
to get the login name.
+d_getlogin_r (d_getlogin_r.U):
+ This variable conditionally defines the HAS_GETLOGIN_R symbol,
+ which indicates to the C program that the getlogin_r()
+ routine is available.
+
d_getmnt (d_getmnt.U):
This variable conditionally defines the HAS_GETMNT symbol, which
indicates to the C program that the getmnt() routine is available
indicates to the C program that the getmntent() routine is available
to iterate through mounted files to get their mount info.
+d_getnameinfo (d_getnameinfo.U):
+ This variable conditionally defines the HAS_GETNAMEINFO symbol,
+ which indicates to the C program that the getnameinfo() function
+ is available.
+
d_getnbyaddr (d_getnbyad.U):
This variable conditionally defines the HAS_GETNETBYADDR symbol, which
indicates to the C program that the getnetbyaddr() routine is available
This variable conditionally defines HAS_GETNETENT if getnetent() is
available to look up network names in some data base or another.
+d_getnetbyaddr_r (d_getnetbyaddr_r.U):
+ This variable conditionally defines the HAS_GETNETBYADDR_R symbol,
+ which indicates to the C program that the getnetbyaddr_r()
+ routine is available.
+
+d_getnetbyname_r (d_getnetbyname_r.U):
+ This variable conditionally defines the HAS_GETNETBYNAME_R symbol,
+ which indicates to the C program that the getnetbyname_r()
+ routine is available.
+
+d_getnetent_r (d_getnetent_r.U):
+ This variable conditionally defines the HAS_GETNETENT_R symbol,
+ which indicates to the C program that the getnetent_r()
+ routine is available.
+
d_getnetprotos (d_getnetprotos.U):
This variable conditionally defines the HAS_GETNET_PROTOS symbol,
which indicates to the C program that <netdb.h> supplies
- prototypes for the various getnet*() functions.
+ prototypes for the various getnet*() functions.
See also netdbtype.U for probing for various netdb types.
d_getpagsz (d_getpagsz.U):
is available to get the system page size.
d_getpbyname (d_getprotby.U):
- This variable conditionally defines the HAS_GETPROTOBYNAME
- symbol, which indicates to the C program that the
+ This variable conditionally defines the HAS_GETPROTOBYNAME
+ symbol, which indicates to the C program that the
getprotobyname() routine is available to look up protocols
by their name.
d_getpbynumber (d_getprotby.U):
- This variable conditionally defines the HAS_GETPROTOBYNUMBER
- symbol, which indicates to the C program that the
+ This variable conditionally defines the HAS_GETPROTOBYNUMBER
+ symbol, which indicates to the C program that the
getprotobynumber() routine is available to look up protocols
by their number.
indicates to the C program that the getpgid(pid) function
is available to get the process group id.
+d_getpgrp (d_getpgrp.U):
+ This variable conditionally defines HAS_GETPGRP if getpgrp() is
+ available to get the current process group.
+
d_getpgrp2 (d_getpgrp2.U):
This variable conditionally defines the HAS_GETPGRP2 symbol, which
indicates to the C program that the getpgrp2() (as in DG/UX) routine
is available to get the current process group.
-d_getpgrp (d_getpgrp.U):
- This variable conditionally defines HAS_GETPGRP if getpgrp() is
- available to get the current process group.
-
d_getppid (d_getppid.U):
This variable conditionally defines the HAS_GETPPID symbol, which
indicates to the C program that the getppid() routine is available
This variable conditionally defines HAS_GETPRIORITY if getpriority()
is available to get a process's priority.
+d_getprotobyname_r (d_getprotobyname_r.U):
+ This variable conditionally defines the HAS_GETPROTOBYNAME_R symbol,
+ which indicates to the C program that the getprotobyname_r()
+ routine is available.
+
+d_getprotobynumber_r (d_getprotobynumber_r.U):
+ This variable conditionally defines the HAS_GETPROTOBYNUMBER_R symbol,
+ which indicates to the C program that the getprotobynumber_r()
+ routine is available.
+
+d_getprotoent_r (d_getprotoent_r.U):
+ This variable conditionally defines the HAS_GETPROTOENT_R symbol,
+ which indicates to the C program that the getprotoent_r()
+ routine is available.
+
d_getprotoprotos (d_getprotoprotos.U):
This variable conditionally defines the HAS_GETPROTO_PROTOS symbol,
which indicates to the C program that <netdb.h> supplies
- prototypes for the various getproto*() functions.
+ prototypes for the various getproto*() functions.
See also netdbtype.U for probing for various netdb types.
d_getprpwnam (d_getprpwnam.U):
indicates to the C program that the getpwent() routine is available
for sequential access of the passwd database.
+d_getpwent_r (d_getpwent_r.U):
+ This variable conditionally defines the HAS_GETPWENT_R symbol,
+ which indicates to the C program that the getpwent_r()
+ routine is available.
+
+d_getpwnam_r (d_getpwnam_r.U):
+ This variable conditionally defines the HAS_GETPWNAM_R symbol,
+ which indicates to the C program that the getpwnam_r()
+ routine is available.
+
+d_getpwuid_r (d_getpwuid_r.U):
+ This variable conditionally defines the HAS_GETPWUID_R symbol,
+ which indicates to the C program that the getpwuid_r()
+ routine is available.
+
d_getsbyname (d_getsrvby.U):
- This variable conditionally defines the HAS_GETSERVBYNAME
- symbol, which indicates to the C program that the
+ This variable conditionally defines the HAS_GETSERVBYNAME
+ symbol, which indicates to the C program that the
getservbyname() routine is available to look up services
by their name.
d_getsbyport (d_getsrvby.U):
- This variable conditionally defines the HAS_GETSERVBYPORT
- symbol, which indicates to the C program that the
+ This variable conditionally defines the HAS_GETSERVBYPORT
+ symbol, which indicates to the C program that the
getservbyport() routine is available to look up services
by their port.
This variable conditionally defines HAS_GETSERVENT if getservent() is
available to look up network services in some data base or another.
+d_getservbyname_r (d_getservbyname_r.U):
+ This variable conditionally defines the HAS_GETSERVBYNAME_R symbol,
+ which indicates to the C program that the getservbyname_r()
+ routine is available.
+
+d_getservbyport_r (d_getservbyport_r.U):
+ This variable conditionally defines the HAS_GETSERVBYPORT_R symbol,
+ which indicates to the C program that the getservbyport_r()
+ routine is available.
+
+d_getservent_r (d_getservent_r.U):
+ This variable conditionally defines the HAS_GETSERVENT_R symbol,
+ which indicates to the C program that the getservent_r()
+ routine is available.
+
d_getservprotos (d_getservprotos.U):
This variable conditionally defines the HAS_GETSERV_PROTOS symbol,
which indicates to the C program that <netdb.h> supplies
- prototypes for the various getserv*() functions.
+ prototypes for the various getserv*() functions.
See also netdbtype.U for probing for various netdb types.
d_getspnam (d_getspnam.U):
This variable conditionally defines HAS_GETSPNAM if getspnam() is
available to retrieve SysV shadow password entries by name.
+d_getspnam_r (d_getspnam_r.U):
+ This variable conditionally defines the HAS_GETSPNAM_R symbol,
+ which indicates to the C program that the getspnam_r()
+ routine is available.
+
d_gettimeod (d_ftime.U):
This variable conditionally defines the HAS_GETTIMEOFDAY symbol, which
indicates that the gettimeofday() system call exists (to obtain a
sub-second accuracy clock). You should probably include <sys/resource.h>.
+d_gmtime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_GMTIME64 symbol, which
+ indicates to the C program that the gmtime64 () routine is available.
+
+d_gmtime_r (d_gmtime_r.U):
+ This variable conditionally defines the HAS_GMTIME_R symbol,
+ which indicates to the C program that the gmtime_r()
+ routine is available.
+
d_gnulibc (d_gnulibc.U):
Defined if we're dealing with the GNU C Library.
This variable conditionally defines HAS_HTONL if htonl() and its
friends are available to do network order byte swapping.
-d_iconv (d_iconv.U):
- This variable conditionally defines the HAS_ICONV symbol, which
- indicates to the C program that the iconv() routine is available.
+d_hypot (d_hypot.U):
+ This variable conditionally defines HAS_HYPOT if hypot is available
+ for numerically stable hypotenuse function.
+
+d_ilogb (d_ilogb.U):
+ This variable conditionally defines the HAS_ILOGB symbol, which
+ indicates to the C program that the ilogb() routine is available
+ for extracting the exponent of double x as a signed integer.
+
+d_ilogbl (d_ilogbl.U):
+ This variable conditionally defines the HAS_ILOGBL symbol, which
+ indicates to the C program that the ilogbl() routine is available
+ for extracting the exponent of long double x as a signed integer.
+ If scalbnl is also present we can emulate frexpl.
+
+d_inc_version_list (inc_version_list.U):
+ This variable conditionally defines PERL_INC_VERSION_LIST.
+ It is set to undef when PERL_INC_VERSION_LIST is empty.
d_index (d_strchr.U):
This variable conditionally defines HAS_INDEX if index() and
indicates to the C program that the inet_aton() function is available
to parse IP address "dotted-quad" strings.
+d_inetntop (d_inetntop.U):
+ This variable conditionally defines the HAS_INETNTOP symbol,
+ which indicates to the C program that the inet_ntop() function
+ is available.
+
+d_inetpton (d_inetpton.U):
+ This variable conditionally defines the HAS_INETPTON symbol,
+ which indicates to the C program that the inet_pton() function
+ is available.
+
d_int64_t (d_int64_t.U):
This symbol will be defined if the C compiler supports int64_t.
+d_ip_mreq (d_socket.U):
+ This variable conditionally defines the HAS_IP_MREQ symbol, which
+ indicates the availability of a struct ip_mreq.
+
+d_ip_mreq_source (d_socket.U):
+ This variable conditionally defines the HAS_IP_MREQ_SOURCE symbol,
+ which indicates the availability of a struct ip_mreq_source.
+
+d_ipv6_mreq (d_socket.U):
+ This variable conditionally defines the HAS_IPV6_MREQ symbol, which
+ indicates the availability of a struct ipv6_mreq.
+
+d_ipv6_mreq_source (d_socket.U):
+ This variable conditionally defines the HAS_IPV6_MREQ_SOURCE symbol,
+ which indicates the availability of a struct ipv6_mreq_source.
+
d_isascii (d_isascii.U):
This variable conditionally defines the HAS_ISASCII constant,
which indicates to the C program that isascii() is available.
+d_isblank (d_isblank.U):
+ This variable conditionally defines the HAS_ISBLANK constant,
+ which indicates to the C program that isblank() is available.
+
d_isfinite (d_isfinite.U):
This variable conditionally defines the HAS_ISFINITE symbol, which
indicates to the C program that the isfinite() routine is available.
+d_isfinitel (d_isfinitel.U):
+ This variable conditionally defines the HAS_ISFINITEL symbol, which
+ indicates to the C program that the isfinitel() routine is available.
+
d_isinf (d_isinf.U):
This variable conditionally defines the HAS_ISINF symbol, which
indicates to the C program that the isinf() routine is available.
+d_isinfl (d_isinfl.U):
+ This variable conditionally defines the HAS_ISINFL symbol, which
+ indicates to the C program that the isinfl() routine is available.
+
+d_isless (d_isless.U):
+ This variable conditionally defines the HAS_ISLESS symbol, which
+ indicates to the C program that the isless() routine is available.
+
d_isnan (d_isnan.U):
This variable conditionally defines the HAS_ISNAN symbol, which
indicates to the C program that the isnan() routine is available.
This variable conditionally defines the HAS_ISNANL symbol, which
indicates to the C program that the isnanl() routine is available.
+d_isnormal (d_isnormal.U):
+ This variable conditionally defines the HAS_ISNORMAL symbol, which
+ indicates to the C program that the isnormal() routine is available.
+
+d_j0 (d_j0.U):
+ This variable conditionally defines the HAS_J0 symbol, which
+ indicates to the C program that the j0() routine is available.
+
+d_j0l (d_j0.U):
+ This variable conditionally defines the HAS_J0L symbol, which
+ indicates to the C program that the j0l() routine is available.
+
d_killpg (d_killpg.U):
This variable conditionally defines the HAS_KILLPG symbol, which
indicates to the C program that the killpg() routine is available
to kill process groups.
+d_lc_monetary_2008 (d_lc_monetary_2008.U):
+ This variable conditionally defines HAS_LC_MONETARY_2008 if libc
+ has the international currency locale rules from POSIX
+ 1003.1-2008.
+
d_lchown (d_lchown.U):
This variable conditionally defines the HAS_LCHOWN symbol, which
indicates to the C program that the lchown() routine is available
header files provide LDBL_DIG, which is the number of significant
digits in a long double precision number.
+d_ldexpl (d_longdbl.U):
+ This variable conditionally defines the HAS_LDEXPL symbol, which
+ indicates to the C program that the ldexpl() routine is available.
+
+d_lgamma (d_lgamma.U):
+ This variable conditionally defines the HAS_LGAMMA symbol, which
+ indicates to the C program that the lgamma() routine is available
+ for the log gamma function. See also d_tgamma and d_lgamma_r.
+
+d_lgamma_r (d_lgamma_r.U):
+ This variable conditionally defines the HAS_LGAMMA_R symbol, which
+ indicates to the C program that the lgamma_r() routine is available
+ for the log gamma function, without using the global signgam variable.
+
+d_libm_lib_version (d_libm_lib_version.U):
+ This variable conditionally defines the LIBM_LIB_VERSION symbol,
+ which indicates to the C program that math.h defines _LIB_VERSION
+ being available in libm
+
+d_libname_unique (so.U):
+ This variable is defined if the target system insists on unique
+ basenames for shared library files. This is currently true on Android,
+ false everywhere else we know of.
+ Defaults to 'undef'.
+
d_link (d_link.U):
This variable conditionally defines HAS_LINK if link() is
available to create hard links.
+d_linkat (d_fsat.U):
+ This variable conditionally defines the HAS_LINKAT symbol, which
+ indicates the POSIX linkat() function is available.
+
+d_llrint (d_llrint.U):
+ This variable conditionally defines the HAS_LLRINT symbol, which
+ indicates to the C program that the llrint() routine is available
+ to return the long long value closest to a double (according
+ to the current rounding mode).
+
+d_llrintl (d_llrintl.U):
+ This variable conditionally defines the HAS_LLRINTL symbol, which
+ indicates to the C program that the llrintl() routine is available
+ to return the long long value closest to a long double (according
+ to the current rounding mode).
+
+d_llround (d_llround.U):
+ This variable conditionally defines the HAS_LLROUND symbol, which
+ indicates to the C program that the llround() routine is available
+ to return the long long value nearest to x.
+
+d_llroundl (d_llroundl.U):
+ This variable conditionally defines the HAS_LLROUNDL symbol, which
+ indicates to the C program that the llroundl() routine is available
+ to return the long long value nearest to x away from zero.
+
+d_localtime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_LOCALTIME64 symbol, which
+ indicates to the C program that the localtime64 () routine is available.
+
+d_localtime_r (d_localtime_r.U):
+ This variable conditionally defines the HAS_LOCALTIME_R symbol,
+ which indicates to the C program that the localtime_r()
+ routine is available.
+
+d_localtime_r_needs_tzset (d_localtime_r.U):
+ This variable conditionally defines the LOCALTIME_R_NEEDS_TZSET
+ symbol, which makes us call tzset before localtime_r()
+
d_locconv (d_locconv.U):
This variable conditionally defines HAS_LOCALECONV if localeconv() is
available for numeric and monetary formatting conventions.
This variable conditionally defines HAS_LOCKF if lockf() is
available to do file locking.
+d_log1p (d_log1p.U):
+ This variable conditionally defines the HAS_LOG1P symbol, which
+ indicates to the C program that the logp1() routine is available
+ to compute log(1 + x) for values of x close to zero.
+
+d_log2 (d_log2.U):
+ This variable conditionally defines the HAS_LOG2 symbol, which
+ indicates to the C program that the log2() routine is available
+ to compute log base two.
+
+d_logb (d_logb.U):
+ This variable conditionally defines the HAS_LOGB symbol, which
+ indicates to the C program that the logb() routine is available
+ to extract the exponent of x.
+
+d_long_double_style_ieee (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE
+ if the long double is any of the IEEE 754 style long doubles:
+ LONG_DOUBLE_STYLE_IEEE_STD, LONG_DOUBLE_STYLE_IEEE_EXTENDED,
+ LONG_DOUBLE_STYLE_IEEE_DOUBLEDOUBLE.
+
+d_long_double_style_ieee_doubledouble (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_DOUBLEDOUBLE
+ if the long double is the 128-bit IEEE 754 double-double.
+
+d_long_double_style_ieee_extended (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_EXTENDED
+ if the long double is the 80-bit IEEE 754 extended precision.
+ Note that despite the 'extended' this is less than the 'std',
+ since thisis an extension of the double precision.
+
+d_long_double_style_ieee_std (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_STD
+ if the long double is the 128-bit IEEE 754.
+
+d_long_double_style_vax (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_VAX
+ if the long double is the 128-bit VAX format H.
+
d_longdbl (d_longdbl.U):
- This variable conditionally defines HAS_LONG_DOUBLE if
+ This variable conditionally defines HAS_LONG_DOUBLE if
the long double type is supported.
d_longlong (d_longlong.U):
- This variable conditionally defines HAS_LONG_LONG if
+ This variable conditionally defines HAS_LONG_LONG if
the long long type is supported.
+d_lrint (d_lrint.U):
+ This variable conditionally defines the HAS_LRINT symbol, which
+ indicates to the C program that the lrint() routine is available
+ to return the integral value closest to a double (according
+ to the current rounding mode).
+
+d_lrintl (d_lrintl.U):
+ This variable conditionally defines the HAS_LRINTL symbol, which
+ indicates to the C program that the lrintl() routine is available
+ to return the integral value closest to a long double (according
+ to the current rounding mode).
+
+d_lround (d_lround.U):
+ This variable conditionally defines the HAS_LROUND symbol, which
+ indicates to the C program that the lround() routine is available
+ to return the integral value nearest to x.
+
+d_lroundl (d_lroundl.U):
+ This variable conditionally defines the HAS_LROUNDL symbol, which
+ indicates to the C program that the lroundl() routine is available
+ to return the integral value nearest to x away from zero.
+
d_lseekproto (d_lseekproto.U):
This variable conditionally defines the HAS_LSEEK_PROTO symbol,
which indicates to the C program that the system provides
This variable conditionally defines HAS_MADVISE if madvise() is
available to map a file into memory.
+d_malloc_good_size (d_malloc_size.U):
+ This symbol, if defined, indicates that the malloc_good_size
+ routine is available for use.
+
+d_malloc_size (d_malloc_size.U):
+ This symbol, if defined, indicates that the malloc_size
+ routine is available for use.
+
d_mblen (d_mblen.U):
This variable conditionally defines the HAS_MBLEN symbol, which
indicates to the C program that the mblen() routine is available
indicates to the C program that the memcpy() routine is available
to copy blocks of memory.
+d_memmem (d_memmem.U):
+ This variable conditionally defines the HAS_MEMMEM symbol, which
+ indicates to the C program that the memmem() routine is available
+ to return a pointer to the start of the first occurance of a
+ substring in a memory area (or NULL if not found).
+
d_memmove (d_memmove.U):
This variable conditionally defines the HAS_MEMMOVE symbol, which
indicates to the C program that the memmove() routine is available
- to copy potentatially overlapping blocks of memory.
+ to copy potentially overlapping blocks of memory.
d_memset (d_memset.U):
This variable conditionally defines the HAS_MEMSET symbol, which
indicates to the C program that the memset() routine is available
to set blocks of memory.
+d_memrchr (d_memrchr.U):
+ This variable conditionally defines the HAS_MEMRCHR symbol, which
+ indicates to the C program that the memrchr() routine is available
+ to return a pointer to the last occurrence of a byte in a memory
+ area (or NULL if not found).
+
d_mkdir (d_mkdir.U):
This variable conditionally defines the HAS_MKDIR symbol, which
indicates to the C program that the mkdir() routine is available
This variable conditionally defines the HAS_MKTIME symbol, which
indicates to the C program that the mktime() routine is available.
+d_mktime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_MKTIME64 symbol, which
+ indicates to the C program that the mktime64 () routine is available.
+
d_mmap (d_mmap.U):
This variable conditionally defines HAS_MMAP if mmap() is
available to map a file into memory.
This variable conditionally defines the HAS_MODFL symbol, which
indicates to the C program that the modfl() routine is available.
-d_modfl_pow32_bug (d_modfl.U):
- This variable conditionally defines the HAS_MODFL_POW32_BUG symbol,
- which indicates that modfl() is broken for long doubles >= pow(2, 32).
- For example from 4294967303.150000 one would get 4294967302.000000
- and 1.150000. The bug has been seen in certain versions of glibc,
- release 2.2.2 is known to be okay.
+d_modflproto (d_modfl.U):
+ This symbol, if defined, indicates that the system provides
+ a prototype for the modfl() function. Otherwise, it is up
+ to the program to supply one. C99 says it should be
+ long double modfl(long double, long double *);
d_mprotect (d_mprotect.U):
This variable conditionally defines HAS_MPROTECT if mprotect() is
of the source want to take special action if MYMALLOC is used.
This may include different sorts of profiling or error detection.
+d_nan (d_nan.U):
+ This variable conditionally defines HAS_NAN if nan() is
+ available to generate NaN.
+
+d_ndbm (i_ndbm.U):
+ This variable conditionally defines the HAS_NDBM symbol, which
+ indicates that both the ndbm.h include file and an appropriate ndbm
+ library exist. Consult the different i_*ndbm variables
+ to find out the actual include location. Sometimes, a system has the
+ header file but not the library. This variable will only be set if
+ the system has both.
+
+d_ndbm_h_uses_prototypes (i_ndbm.U):
+ This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
+ which indicates that the ndbm.h include file uses real ANSI C
+ prototypes instead of K&R style function declarations. K&R style
+ declarations are unsupported in C++, so the include file requires
+ special handling when using a C++ compiler and this variable is
+ undefined. Consult the different d_*ndbm_h_uses_prototypes variables
+ to get the same information for alternative ndbm.h include files.
+
+d_nearbyint (d_nearbyint.U):
+ This variable conditionally defines HAS_NEARBYINT if nearbyint()
+ is available to return the integral value closest to (according to
+ the current rounding mode) to x.
+
+d_newlocale (d_newlocale.U):
+ This variable conditionally defines the HAS_NEWLOCALE symbol, which
+ indicates to the C program that the newlocale() routine is available
+ to return a new locale object or modify an existing locale object.
+
+d_nextafter (d_nextafter.U):
+ This variable conditionally defines HAS_NEXTAFTER if nextafter()
+ is available to return the next machine representable double from
+ x in direction y.
+
+d_nexttoward (d_nexttoward.U):
+ This variable conditionally defines HAS_NEXTTOWARD if nexttoward()
+ is available to return the next machine representable long double from
+ x in direction y.
+
d_nice (d_nice.U):
This variable conditionally defines the HAS_NICE symbol, which
indicates to the C program that the nice() routine is available.
This variable indicates whether a variable of type nvtype
can preserve all the bits a variable of type uvtype.
-d_nv_preserves_uv_bits (perlxv.U):
- This variable indicates how many of bits type uvtype
- a variable nvtype can preserve.
+d_nv_zero_is_allbits_zero (perlxv.U):
+ This variable indicates whether a variable of type nvtype
+ stores 0.0 in memory as all bits zero.
d_off64_t (d_off64_t.U):
This symbol will be defined if the C compiler supports off64_t.
which indicates to the C program that the 3 argument version of
the open(2) function is available.
+d_openat (d_fsat.U):
+ This variable conditionally defines the HAS_OPENAT symbol, which
+ indicates the POSIX openat() function is available.
+
d_pathconf (d_pathconf.U):
This variable conditionally defines the HAS_PATHCONF symbol, which
indicates to the C program that the pathconf() routine is available
indicates to the C program that it should not assume that it is
running on the machine it was compiled on.
+d_prctl (d_prctl.U):
+ This variable conditionally defines the HAS_PRCTL symbol, which
+ indicates to the C program that the prctl() routine is available.
+ Note that there are at least two prctl variants: Linux and Irix.
+ While they are somewhat similar, they are incompatible.
+
+d_prctl_set_name (d_prctl.U):
+ This variable conditionally defines the HAS_PRCTL_SET_NAME symbol,
+ which indicates to the C program that the prctl() routine supports
+ the PR_SET_NAME option.
+
d_PRId64 (quadfio.U):
This variable conditionally defines the PERL_PRId64 symbol, which
- indiciates that stdio has a symbol to print 64-bit decimal numbers.
+ indicates that stdio has a symbol to print 64-bit decimal numbers.
d_PRIeldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to print long doubles.
+ indicates that stdio has a symbol to print long doubles.
d_PRIEUldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to print long doubles.
+ indicates that stdio has a symbol to print long doubles.
The 'U' in the name is to separate this from d_PRIeldbl so that even
case-blind systems can see the difference.
d_PRIfldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to print long doubles.
+ indicates that stdio has a symbol to print long doubles.
d_PRIFUldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to print long doubles.
+ indicates that stdio has a symbol to print long doubles.
The 'U' in the name is to separate this from d_PRIfldbl so that even
case-blind systems can see the difference.
d_PRIgldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to print long doubles.
+ indicates that stdio has a symbol to print long doubles.
d_PRIGUldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to print long doubles.
+ indicates that stdio has a symbol to print long doubles.
The 'U' in the name is to separate this from d_PRIgldbl so that even
case-blind systems can see the difference.
d_PRIi64 (quadfio.U):
This variable conditionally defines the PERL_PRIi64 symbol, which
- indiciates that stdio has a symbol to print 64-bit decimal numbers.
+ indicates that stdio has a symbol to print 64-bit decimal numbers.
+
+d_printf_format_null (d_attribut.U):
+ This variable conditionally defines PRINTF_FORMAT_NULL_OK, which
+ indicates the C compiler allows printf-like formats to be null.
d_PRIo64 (quadfio.U):
This variable conditionally defines the PERL_PRIo64 symbol, which
- indiciates that stdio has a symbol to print 64-bit octal numbers.
+ indicates that stdio has a symbol to print 64-bit octal numbers.
d_PRIu64 (quadfio.U):
This variable conditionally defines the PERL_PRIu64 symbol, which
- indiciates that stdio has a symbol to print 64-bit unsigned decimal
+ indicates that stdio has a symbol to print 64-bit unsigned decimal
numbers.
d_PRIx64 (quadfio.U):
This variable conditionally defines the PERL_PRIx64 symbol, which
- indiciates that stdio has a symbol to print 64-bit hexadecimal numbers.
+ indicates that stdio has a symbol to print 64-bit hexadecimal numbers.
d_PRIXU64 (quadfio.U):
This variable conditionally defines the PERL_PRIXU64 symbol, which
- indiciates that stdio has a symbol to print 64-bit hExADECimAl numbers.
+ indicates that stdio has a symbol to print 64-bit hExADECimAl numbers.
The 'U' in the name is to separate this from d_PRIx64 so that even
case-blind systems can see the difference.
+d_procselfexe (d_procselfexe.U):
+ Defined if $procselfexe is symlink to the absolute
+ pathname of the executing program.
+
+d_pseudofork (d_vfork.U):
+ This variable conditionally defines the HAS_PSEUDOFORK symbol,
+ which indicates that an emulation of the fork routine is available.
+
d_pthread_atfork (d_pthread_atfork.U):
This variable conditionally defines the HAS_PTHREAD_ATFORK symbol,
which indicates to the C program that the pthread_atfork()
routine is available.
+d_pthread_attr_setscope (d_pthread_attr_ss.U):
+ This variable conditionally defines HAS_PTHREAD_ATTR_SETSCOPE if
+ pthread_attr_setscope() is available to set the contention scope
+ attribute of a thread attribute object.
+
d_pthread_yield (d_pthread_y.U):
This variable conditionally defines the HAS_PTHREAD_YIELD
symbol if the pthread_yield routine is available to yield
the execution of the current thread.
+d_ptrdiff_t (d_ptrdiff_t.U):
+ This symbol will be defined if the C compiler supports ptrdiff_t.
+
d_pwage (i_pwd.U):
This variable conditionally defines PWAGE, which indicates
that struct passwd contains pw_age.
This variable, if defined, tells that there's a 64-bit integer type,
quadtype.
+d_querylocale (d_newlocale.U):
+ This variable conditionally defines the HAS_QUERYLOCALE symbol, which
+ indicates to the C program that the querylocale() routine is available
+ to return the name of the locale for a category mask.
+
+d_random_r (d_random_r.U):
+ This variable conditionally defines the HAS_RANDOM_R symbol,
+ which indicates to the C program that the random_r()
+ routine is available.
+
+d_re_comp (d_regcmp.U):
+ This variable conditionally defines the HAS_RECOMP symbol, which
+ indicates to the C program that the re_comp() routine is available
+ for regular patern matching (usally on BSD). If so, it is likely that
+ re_exec() exists.
+
d_readdir (d_readdir.U):
This variable conditionally defines HAS_READDIR if readdir() is
available to read directory entries.
+d_readdir64_r (d_readdir64_r.U):
+ This variable conditionally defines the HAS_READDIR64_R symbol,
+ which indicates to the C program that the readdir64_r()
+ routine is available.
+
+d_readdir_r (d_readdir_r.U):
+ This variable conditionally defines the HAS_READDIR_R symbol,
+ which indicates to the C program that the readdir_r()
+ routine is available.
+
d_readlink (d_readlink.U):
This variable conditionally defines the HAS_READLINK symbol, which
indicates to the C program that the readlink() routine is available
This variable conditionally defines the HAS_RECVMSG symbol, which
indicates to the C program that the recvmsg() routine is available.
+d_regcmp (d_regcmp.U):
+ This variable conditionally defines the HAS_REGCMP symbol, which
+ indicates to the C program that the regcmp() routine is available
+ for regular patern matching (usally on System V).
+
+d_regcomp (d_regcmp.U):
+ This variable conditionally defines the HAS_REGCOMP symbol, which
+ indicates to the C program that the regcomp() routine is available
+ for regular patern matching (usally on POSIX.2 conforming systems).
+
+d_remainder (d_remainder.U):
+ This variable conditionally defines the HAS_REMAINDER symbol, which
+ indicates to the C program that the remainder() routine is available.
+
+d_remquo (d_remquo.U):
+ This variable conditionally defines the HAS_REMQUO symbol, which
+ indicates to the C program that the remquo() routine is available.
+
d_rename (d_rename.U):
This variable conditionally defines the HAS_RENAME symbol, which
indicates to the C program that the rename() routine is available
to rename files.
+d_renameat (d_fsat.U):
+ This variable conditionally defines the HAS_RENAMEAT symbol, which
+ indicates the POSIX renameat() function is available.
+
d_rewinddir (d_readdir.U):
This variable conditionally defines HAS_REWINDDIR if rewinddir() is
available.
+d_rint (d_rint.U):
+ This variable conditionally defines the HAS_RINT symbol, which
+ indicates to the C program that the rint() routine is available.
+
d_rmdir (d_rmdir.U):
This variable conditionally defines HAS_RMDIR if rmdir() is
available to remove directories.
+d_round (d_round.U):
+ This variable conditionally defines the HAS_ROUND symbol, which
+ indicates to the C program that the round() routine is available.
+
d_safebcpy (d_safebcpy.U):
This variable conditionally defines the HAS_SAFE_BCOPY symbol if
the bcopy() routine can do overlapping copies. Normally, you
a prototype for the sbrk() function. Otherwise, it is
up to the program to supply one.
+d_scalbn (d_scalbn.U):
+ This variable conditionally defines the HAS_SCALBN symbol, which
+ indicates to the C program that the scalbn() routine is available.
+
+d_scalbnl (d_scalbnl.U):
+ This variable conditionally defines the HAS_SCALBNL symbol, which
+ indicates to the C program that the scalbnl() routine is available.
+ If ilogbl is also present we can emulate frexpl.
+
d_sched_yield (d_pthread_y.U):
This variable conditionally defines the HAS_SCHED_YIELD
symbol if the sched_yield routine is available to yield
d_SCNfldbl (longdblfio.U):
This variable conditionally defines the PERL_PRIfldbl symbol, which
- indiciates that stdio has a symbol to scan long doubles.
+ indicates that stdio has a symbol to scan long doubles.
d_seekdir (d_readdir.U):
This variable conditionally defines HAS_SEEKDIR if seekdir() is
indicates to the C program that the setgrent() routine is available
for initializing sequential access to the group database.
+d_setgrent_r (d_setgrent_r.U):
+ This variable conditionally defines the HAS_SETGRENT_R symbol,
+ which indicates to the C program that the setgrent_r()
+ routine is available.
+
d_setgrps (d_setgrps.U):
This variable conditionally defines the HAS_SETGROUPS symbol, which
indicates to the C program that the setgroups() routine is available
This variable conditionally defines HAS_SETHOSTENT if sethostent() is
available.
+d_sethostent_r (d_sethostent_r.U):
+ This variable conditionally defines the HAS_SETHOSTENT_R symbol,
+ which indicates to the C program that the sethostent_r()
+ routine is available.
+
d_setitimer (d_setitimer.U):
This variable conditionally defines the HAS_SETITIMER symbol, which
indicates to the C program that the setitimer() routine is available.
This variable conditionally defines HAS_SETLOCALE if setlocale() is
available to handle locale-specific ctype implementations.
+d_setlocale_r (d_setlocale_r.U):
+ This variable conditionally defines the HAS_SETLOCALE_R symbol,
+ which indicates to the C program that the setlocale_r()
+ routine is available.
+
d_setnent (d_setnent.U):
This variable conditionally defines HAS_SETNETENT if setnetent() is
available.
+d_setnetent_r (d_setnetent_r.U):
+ This variable conditionally defines the HAS_SETNETENT_R symbol,
+ which indicates to the C program that the setnetent_r()
+ routine is available.
+
d_setpent (d_setpent.U):
This variable conditionally defines HAS_SETPROTOENT if setprotoent() is
available.
This variable conditionally defines the HAS_SETPGID symbol if the
setpgid(pid, gpid) function is available to set process group ID.
+d_setpgrp (d_setpgrp.U):
+ This variable conditionally defines HAS_SETPGRP if setpgrp() is
+ available to set the current process group.
+
d_setpgrp2 (d_setpgrp2.U):
This variable conditionally defines the HAS_SETPGRP2 symbol, which
indicates to the C program that the setpgrp2() (as in DG/UX) routine
is available to set the current process group.
-d_setpgrp (d_setpgrp.U):
- This variable conditionally defines HAS_SETPGRP if setpgrp() is
- available to set the current process group.
-
d_setprior (d_setprior.U):
This variable conditionally defines HAS_SETPRIORITY if setpriority()
is available to set a process's priority.
which indicates to the C program that the setproctitle() routine
is available.
+d_setprotoent_r (d_setprotoent_r.U):
+ This variable conditionally defines the HAS_SETPROTOENT_R symbol,
+ which indicates to the C program that the setprotoent_r()
+ routine is available.
+
d_setpwent (d_setpwent.U):
This variable conditionally defines the HAS_SETPWENT symbol, which
indicates to the C program that the setpwent() routine is available
for initializing sequential access to the passwd database.
+d_setpwent_r (d_setpwent_r.U):
+ This variable conditionally defines the HAS_SETPWENT_R symbol,
+ which indicates to the C program that the setpwent_r()
+ routine is available.
+
d_setregid (d_setregid.U):
This variable conditionally defines HAS_SETREGID if setregid() is
available to change the real and effective gid of the current
This variable conditionally defines HAS_SETSERVENT if setservent() is
available.
+d_setservent_r (d_setservent_r.U):
+ This variable conditionally defines the HAS_SETSERVENT_R symbol,
+ which indicates to the C program that the setservent_r()
+ routine is available.
+
d_setsid (d_setsid.U):
This variable conditionally defines HAS_SETSID if setsid() is
available to set the process group ID.
indicates to the C program that the setvbuf() routine is available
to change buffering on an open stdio stream.
-d_sfio (d_sfio.U):
- This variable conditionally defines the USE_SFIO symbol,
- and indicates whether sfio is available (and should be used).
-
d_shm (d_shm.U):
This variable conditionally defines the HAS_SHM symbol, which
indicates that the entire shm*(2) library is present.
indicates to the C program that the shmat() routine is available.
d_shmatprototype (d_shmat.U):
- This variable conditionally defines the HAS_SHMAT_PROTOTYPE
+ This variable conditionally defines the HAS_SHMAT_PROTOTYPE
symbol, which indicates that sys/shm.h has a prototype for
shmat.
This variable conditionally defines the HAS_SIGACTION symbol, which
indicates that the Vr4 sigaction() routine is available.
+d_siginfo_si_addr (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_ADDR symbol,
+ which indicates that the siginfo_t struct has the si_addr member.
+
+d_siginfo_si_band (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_BAND symbol,
+ which indicates that the siginfo_t struct has the si_band member.
+
+d_siginfo_si_errno (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_ERRNO symbol,
+ which indicates that the siginfo_t struct has the si_errno member.
+
+d_siginfo_si_fd (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_FD symbol,
+ which indicates that the siginfo_t struct has the si_fd member.
+
+d_siginfo_si_pid (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_PID symbol,
+ which indicates that the siginfo_t struct has the si_pid member.
+
+d_siginfo_si_status (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_STATUS symbol,
+ which indicates that the siginfo_t struct has the si_status member.
+
+d_siginfo_si_uid (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_UID symbol,
+ which indicates that the siginfo_t struct has the si_uid member.
+
+d_siginfo_si_value (d_siginfo_si.U):
+ This variable conditionally defines the HAS_SIGINFO_SI_VALUE symbol,
+ which indicates that the siginfo_t struct has the si_value member.
+
+d_signbit (d_signbit.U):
+ This variable conditionally defines the HAS_SIGNBIT symbol, which
+ indicates to the C program that the signbit() routine is available
+ and safe to use with perl's intern NV type.
+
d_sigprocmask (d_sigprocmask.U):
This variable conditionally defines HAS_SIGPROCMASK
if sigprocmask() is available to examine or change the signal mask
which indicates that the sigsetjmp() routine is available to
call setjmp() and optionally save the process's signal mask.
+d_sin6_scope_id (d_socket.U):
+ This variable conditionally defines the HAS_SIN6_SCOPE_ID symbol, which
+ indicates that a struct sockaddr_in6 structure has the sin6_scope_id
+ member.
+
+d_sitearch (sitearch.U):
+ This variable conditionally defines SITEARCH to hold the pathname
+ of architecture-dependent library files for $package. If
+ $sitearch is the same as $archlib, then this is set to undef.
+
+d_snprintf (d_snprintf.U):
+ This variable conditionally defines the HAS_SNPRINTF symbol, which
+ indicates to the C program that the snprintf () library function
+ is available.
+
+d_sockaddr_in6 (d_socket.U):
+ This variable conditionally defines the HAS_SOCKADDR_IN6 symbol, which
+ indicates the availability of a struct sockaddr_in6.
+
+d_sockaddr_sa_len (d_socket.U):
+ This variable conditionally defines the HAS_SOCKADDR_SA_LEN symbol,
+ which indicates that a struct sockaddr structure has the sa_len
+ member.
+
d_sockatmark (d_sockatmark.U):
This variable conditionally defines the HAS_SOCKATMARK symbol, which
indicates to the C program that the sockatmark() routine is available.
This variable conditionally defines the HAS_SOCKS5_INIT symbol, which
indicates to the C program that the socks5_init() routine is available.
+d_sprintf_returns_strlen (d_sprintf_len.U):
+ This variable defines whether sprintf returns the length of the string
+ (as per the ANSI spec). Some C libraries retain compatibility with
+ pre-ANSI C and return a pointer to the passed in buffer; for these
+ this variable will be undef.
+
d_sqrtl (d_sqrtl.U):
This variable conditionally defines the HAS_SQRTL symbol, which
indicates to the C program that the sqrtl() routine is available.
+d_srand48_r (d_srand48_r.U):
+ This variable conditionally defines the HAS_SRAND48_R symbol,
+ which indicates to the C program that the srand48_r()
+ routine is available.
+
+d_srandom_r (d_srandom_r.U):
+ This variable conditionally defines the HAS_SRANDOM_R symbol,
+ which indicates to the C program that the srandom_r()
+ routine is available.
+
d_sresgproto (d_sresgproto.U):
This variable conditionally defines the HAS_SETRESGID_PROTO symbol,
which indicates to the C program that the system provides
a prototype for the setresuid() function. Otherwise, it is
up to the program to supply one.
+d_stat (d_stat.U):
+ This variable conditionally defines HAS_STAT if stat() is
+ available to get file status.
+
d_statblks (d_statblks.U):
This variable conditionally defines USE_STAT_BLOCKS
if this system has a stat structure declaring
This variable conditionally defines the HAS_STRUCT_STATFS symbol,
which indicates that the struct statfs is supported.
+d_static_inline (d_static_inline.U):
+ This variable conditionally defines the HAS_STATIC_INLINE symbol,
+ which indicates that the C compiler supports C99-style static
+ inline. That is, the function can't be called from another
+ translation unit.
+
d_statvfs (d_statvfs.U):
This variable conditionally defines the HAS_STATVFS symbol, which
indicates to the C program that the statvfs() routine is available.
structures.
d_strerrm (d_strerror.U):
- This variable holds what Strerrr is defined as to translate an error
+ This variable holds what Strerror is defined as to translate an error
code condition into an error message string. It could be 'strerror'
- or a more complex macro emulating strrror with sys_errlist[], or the
+ or a more complex macro emulating strerror with sys_errlist[], or the
"unknown" string when both strerror and sys_errlist are missing.
d_strerror (d_strerror.U):
This variable conditionally defines HAS_STRERROR if strerror() is
available to translate error numbers to strings.
+d_strerror_l (d_strerror_l.U):
+ This variable conditionally defines the HAS_STRERROR_L symbol, which
+ indicates to the C program that the strerror_l() routine is available
+ to return the error message for a given errno value in a particular
+ locale (identified by a locale_t object).
+
+d_strerror_r (d_strerror_r.U):
+ This variable conditionally defines the HAS_STRERROR_R symbol,
+ which indicates to the C program that the strerror_r()
+ routine is available.
+
d_strftime (d_strftime.U):
This variable conditionally defines the HAS_STRFTIME symbol, which
indicates to the C program that the strftime() routine is available.
+d_strlcat (d_strlcat.U):
+ This variable conditionally defines the HAS_STRLCAT symbol, which
+ indicates to the C program that the strlcat () routine is available.
+
+d_strlcpy (d_strlcpy.U):
+ This variable conditionally defines the HAS_STRLCPY symbol, which
+ indicates to the C program that the strlcpy () routine is available.
+
d_strtod (d_strtod.U):
This variable conditionally defines the HAS_STRTOD symbol, which
indicates to the C program that the strtod() routine is available
a prototype for the telldir() function. Otherwise, it is
up to the program to supply one.
+d_tgamma (d_tgamma.U):
+ This variable conditionally defines the HAS_TGAMMA symbol, which
+ indicates to the C program that the tgamma() routine is available
+ for the gamma function. See also d_lgamma.
+
d_time (d_time.U):
This variable conditionally defines the HAS_TIME symbol, which indicates
- that the time() routine exists. The time() routine is normaly
+ that the time() routine exists. The time() routine is normally
provided on UNIX systems.
+d_timegm (d_timegm.U):
+ This variable conditionally defines the HAS_TIMEGM symbol, which
+ indicates to the C program that the timegm () routine is available.
+
d_times (d_times.U):
This variable conditionally defines the HAS_TIMES symbol, which indicates
- that the times() routine exists. The times() routine is normaly
+ that the times() routine exists. The times() routine is normally
provided on UNIX systems. You may have to include <sys/times.h>.
+d_tm_tm_gmtoff (i_time.U):
+ This variable conditionally defines HAS_TM_TM_GMTOFF, which indicates
+ indicates to the C program that the struct tm has the tm_gmtoff field.
+
+d_tm_tm_zone (i_time.U):
+ This variable conditionally defines HAS_TM_TM_ZONE, which indicates
+ indicates to the C program that the struct tm has the tm_zone field.
+
+d_tmpnam_r (d_tmpnam_r.U):
+ This variable conditionally defines the HAS_TMPNAM_R symbol,
+ which indicates to the C program that the tmpnam_r()
+ routine is available.
+
+d_trunc (d_trunc.U):
+ This variable conditionally defines the HAS_TRUNC symbol, which
+ indicates to the C program that the trunc() routine is available
+ to round doubles towards zero.
+
d_truncate (d_truncate.U):
This variable conditionally defines HAS_TRUNCATE if truncate() is
available to truncate files.
+d_truncl (d_truncl.U):
+ This variable conditionally defines the HAS_TRUNCL symbol, which
+ indicates to the C program that the truncl() routine is available
+ to round long doubles towards zero. If copysignl is also present,
+ we can emulate modfl.
+
+d_ttyname_r (d_ttyname_r.U):
+ This variable conditionally defines the HAS_TTYNAME_R symbol,
+ which indicates to the C program that the ttyname_r()
+ routine is available.
+
d_tzname (d_tzname.U):
This variable conditionally defines HAS_TZNAME if tzname[] is
available to access timezone names.
This variable conditionally defines HAS_UNION_SEMUN if the
union semun is defined by including <sys/sem.h>.
+d_unlinkat (d_fsat.U):
+ This variable conditionally defines the HAS_UNLINKAT symbol, which
+ indicates the POSIX unlinkat() function isavailable.
+
d_unordered (d_unordered.U):
This variable conditionally defines the HAS_UNORDERED symbol, which
indicates to the C program that the unordered() routine is available.
+d_unsetenv (d_unsetenv.U):
+ This variable conditionally defines the HAS_UNSETENV symbol, which
+ indicates to the C program that the unsetenv () routine is available.
+
+d_uselocale (d_newlocale.U):
+ This variable conditionally defines the HAS_USELOCALE symbol, which
+ indicates to the C program that the uselocale() routine is available
+ to set the current locale for the calling thread.
+
d_usleep (d_usleep.U):
This variable conditionally defines HAS_USLEEP if usleep() is
available to do high granularity sleeps.
d_vendorlib (vendorlib.U):
This variable conditionally defines PERL_VENDORLIB.
+d_vendorscript (vendorscript.U):
+ This variable conditionally defines PERL_VENDORSCRIPT.
+
d_vfork (d_vfork.U):
This variable conditionally defines the HAS_VFORK symbol, which
indicates the vfork() routine is available.
This variable conditionally defines USE_IOCNOTTY to indicate that the
ioctl() call with TIOCNOTTY should be used to void tty association.
Otherwise (on USG probably), it is enough to close the standard file
- decriptors and do a setpgrp().
+ descriptors and do a setpgrp().
d_volatile (d_volatile.U):
This variable conditionally defines the HASVOLATILE symbol, which
indicates to the C program that the vprintf() routine is available
to printf with a pointer to an argument list.
+d_vsnprintf (d_snprintf.U):
+ This variable conditionally defines the HAS_VSNPRINTF symbol, which
+ indicates to the C program that the vsnprintf () library function
+ is available.
+
d_wait4 (d_wait4.U):
This variable conditionally defines the HAS_WAIT4 symbol, which
indicates the wait4() routine is available.
This variable conditionally defines HAS_WAITPID if waitpid() is
available to wait for child process.
+d_wcscmp (d_wcscmp.U):
+ This variable conditionally defines the HAS_WCSCMP symbol if the
+ wcscmp() routine is available and can be used to compare wide
+ character strings.
+
d_wcstombs (d_wcstombs.U):
This variable conditionally defines the HAS_WCSTOMBS symbol, which
indicates to the C program that the wcstombs() routine is available
to convert wide character strings to multibyte strings.
+d_wcsxfrm (d_wcsxfrm.U):
+ This variable conditionally defines the HAS_WCSXFRM symbol if the
+ wcsxfrm() routine is available and can be used to compare wide
+ character strings.
+
d_wctomb (d_wctomb.U):
This variable conditionally defines the HAS_WCTOMB symbol, which
indicates to the C program that the wctomb() routine is available
Berkeley DB found in the <db.h> header file.
For DB version 1 this is always 0.
-defvoidused (voidflags.U):
- This variable contains the default value of the VOIDUSED symbol (15).
+default_inc_excludes_dot (defaultincdot.U):
+ When defined, remove the legacy '.' from @INC
direntrytype (i_dirent.U):
This symbol is set to 'struct direct' or 'struct dirent' depending on
dlext (dlext.U):
This variable contains the extension that is to be used for the
- dynamically loaded modules that perl generaties.
+ dynamically loaded modules that perl generates.
dlsrc (dlsrc.U):
This variable contains the name of the dynamic loading file that
will be used with the package.
+doubleinfbytes (infnan.U):
+ This variable contains comma-separated list of hexadecimal bytes
+ for the double precision infinity.
+
+doublekind (longdblfio.U):
+ This variable, if defined, encodes the type of a double:
+ 1 = IEEE 754 32-bit little endian,
+ 2 = IEEE 754 32-bit big endian,
+ 3 = IEEE 754 64-bit little endian,
+ 4 = IEEE 754 64-bit big endian,
+ 5 = IEEE 754 128-bit little endian,
+ 6 = IEEE 754 128-bit big endian,
+ 7 = IEEE 754 64-bit mixed endian le-be,
+ 8 = IEEE 754 64-bit mixed endian be-le,
+ 9 = VAX 32bit little endian F float format
+ 10 = VAX 64bit little endian D float format
+ 11 = VAX 64bit little endian G float format
+ 12 = IBM 32bit format
+ 13 = IBM 64bit format
+ 14 = Cray 64bit format
+ -1 = unknown format.
+
+doublemantbits (mantbits.U):
+ This symbol, if defined, tells how many mantissa bits
+ there are in double precision floating point format.
+ Note that this is usually DBL_MANT_DIG minus one, since
+ with the standard IEEE 754 formats DBL_MANT_DIG includes
+ the implicit bit which doesn't really exist.
+
+doublenanbytes (infnan.U):
+ This variable contains comma-separated list of hexadecimal bytes
+ for the double precision not-a-number.
+
doublesize (doublesize.U):
This variable contains the value of the DOUBLESIZE symbol, which
indicates to the C program how many bytes there are in a double.
normalize the result.
In C programs, the macro 'Drand01' is mapped to drand01.
+drand48_r_proto (d_drand48_r.U):
+ This variable encodes the prototype of drand48_r.
+ It is zero if d_drand48_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
+ is defined.
+
+dtrace (usedtrace.U):
+ This variable holds the location of the dtrace executable.
+
+dtraceobject (dtraceobject.U):
+ Whether we need to build an object file with the dtrace tool.
+
+dtracexnolibs (dtraceobject.U):
+ Whether dtrace accepts -xnolibs. If available we call dtrace -h
+ and dtrace -G with -xnolibs to allow dtrace to run in a jail on
+ FreeBSD.
+
dynamic_ext (Extensions.U):
This variable holds a list of XS extension files we want to
link dynamically into the package. It is used by Makefile.
ebcdic (ebcdic.U):
This variable conditionally defines EBCDIC if this
- system uses EBCDIC encoding. Among other things, this
- means that the character ranges are not contiguous.
- See trnl.U
+ system uses EBCDIC encoding.
echo (Loc.U):
This variable is used internally by Configure to determine the
emacs (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+endgrent_r_proto (d_endgrent_r.U):
+ This variable encodes the prototype of endgrent_r.
+ It is zero if d_endgrent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_endgrent_r
+ is defined.
+
+endhostent_r_proto (d_endhostent_r.U):
+ This variable encodes the prototype of endhostent_r.
+ It is zero if d_endhostent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_endhostent_r
+ is defined.
+
+endnetent_r_proto (d_endnetent_r.U):
+ This variable encodes the prototype of endnetent_r.
+ It is zero if d_endnetent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_endnetent_r
+ is defined.
+
+endprotoent_r_proto (d_endprotoent_r.U):
+ This variable encodes the prototype of endprotoent_r.
+ It is zero if d_endprotoent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_endprotoent_r
+ is defined.
+
+endpwent_r_proto (d_endpwent_r.U):
+ This variable encodes the prototype of endpwent_r.
+ It is zero if d_endpwent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_endpwent_r
+ is defined.
+
+endservent_r_proto (d_endservent_r.U):
+ This variable encodes the prototype of endservent_r.
+ It is zero if d_endservent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_endservent_r
+ is defined.
eunicefix (Init.U):
When running under Eunice this variable contains a command which will
extensions (Extensions.U):
This variable holds a list of all extension files (both XS and
- non-xs linked into the package. It is propagated to Config.pm
- and is typically used to test whether a particular extesion
+ non-xs) installed with the package. It is propagated to Config.pm
+ and is typically used to test whether a particular extension
is available.
+extern_C (Csym.U):
+ ANSI C requires 'extern' where C++ requires 'extern "C"'. This
+ variable can be used in Configure to do the right thing.
+
extras (Extras.U):
This variable holds a list of extra modules to install.
even be probed for and will be left undefined.
fflushNULL (fflushall.U):
- This symbol, if defined, tells that fflush(NULL) does flush
- all pending stdio output.
+ This symbol, if defined, tells that fflush(NULL) correctly
+ flushes all pending stdio output without side effects. In
+ particular, on some platforms calling fflush(NULL) *still*
+ corrupts STDIN if it is a pipe.
find (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
firstmakefile (Unix.U):
This variable defines the first file searched by make. On unix,
flex (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
fpossize (fpossize.U):
This variable contains the size of a fpostype in bytes.
fpostype (fpostype.U):
- This variable defines Fpos_t to be something like fpos_t, long,
+ This variable defines Fpos_t to be something like fpos_t, long,
uint, or whatever type is used to declare file positions in libc.
freetype (mallocsrc.U):
can share this executable will have the same full pathname to
'sed.'
+gccansipedantic (gccvers.U):
+ If GNU cc (gcc) is used, this variable will enable (if set) the
+ -ansi and -pedantic ccflags for building core files (through
+ cflags script). (See Porting/pumpkin.pod for full description).
+
gccosandvers (gccvers.U):
- If GNU cc (gcc) is used, this variable the operating system and
- version used to compile the gcc. It is set to '' if not gcc,
+ If GNU cc (gcc) is used, this variable holds the operating system
+ and version used to compile gcc. It is set to '' if not gcc,
or if nothing useful can be parsed as the os version.
gccversion (gccvers.U):
- If GNU cc (gcc) is used, this variable holds '1' or '2' to
+ If GNU cc (gcc) is used, this variable holds '1' or '2' to
indicate whether the compiler is version 1 or 2. This is used in
setting some of the default cflags. It is set to '' if not gcc.
+getgrent_r_proto (d_getgrent_r.U):
+ This variable encodes the prototype of getgrent_r.
+ It is zero if d_getgrent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrent_r
+ is defined.
+
+getgrgid_r_proto (d_getgrgid_r.U):
+ This variable encodes the prototype of getgrgid_r.
+ It is zero if d_getgrgid_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrgid_r
+ is defined.
+
+getgrnam_r_proto (d_getgrnam_r.U):
+ This variable encodes the prototype of getgrnam_r.
+ It is zero if d_getgrnam_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrnam_r
+ is defined.
+
+gethostbyaddr_r_proto (d_gethostbyaddr_r.U):
+ This variable encodes the prototype of gethostbyaddr_r.
+ It is zero if d_gethostbyaddr_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyaddr_r
+ is defined.
+
+gethostbyname_r_proto (d_gethostbyname_r.U):
+ This variable encodes the prototype of gethostbyname_r.
+ It is zero if d_gethostbyname_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyname_r
+ is defined.
+
+gethostent_r_proto (d_gethostent_r.U):
+ This variable encodes the prototype of gethostent_r.
+ It is zero if d_gethostent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostent_r
+ is defined.
+
+getlogin_r_proto (d_getlogin_r.U):
+ This variable encodes the prototype of getlogin_r.
+ It is zero if d_getlogin_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getlogin_r
+ is defined.
+
+getnetbyaddr_r_proto (d_getnetbyaddr_r.U):
+ This variable encodes the prototype of getnetbyaddr_r.
+ It is zero if d_getnetbyaddr_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyaddr_r
+ is defined.
+
+getnetbyname_r_proto (d_getnetbyname_r.U):
+ This variable encodes the prototype of getnetbyname_r.
+ It is zero if d_getnetbyname_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyname_r
+ is defined.
+
+getnetent_r_proto (d_getnetent_r.U):
+ This variable encodes the prototype of getnetent_r.
+ It is zero if d_getnetent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetent_r
+ is defined.
+
+getprotobyname_r_proto (d_getprotobyname_r.U):
+ This variable encodes the prototype of getprotobyname_r.
+ It is zero if d_getprotobyname_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobyname_r
+ is defined.
+
+getprotobynumber_r_proto (d_getprotobynumber_r.U):
+ This variable encodes the prototype of getprotobynumber_r.
+ It is zero if d_getprotobynumber_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobynumber_r
+ is defined.
+
+getprotoent_r_proto (d_getprotoent_r.U):
+ This variable encodes the prototype of getprotoent_r.
+ It is zero if d_getprotoent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotoent_r
+ is defined.
+
+getpwent_r_proto (d_getpwent_r.U):
+ This variable encodes the prototype of getpwent_r.
+ It is zero if d_getpwent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwent_r
+ is defined.
+
+getpwnam_r_proto (d_getpwnam_r.U):
+ This variable encodes the prototype of getpwnam_r.
+ It is zero if d_getpwnam_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwnam_r
+ is defined.
+
+getpwuid_r_proto (d_getpwuid_r.U):
+ This variable encodes the prototype of getpwuid_r.
+ It is zero if d_getpwuid_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwuid_r
+ is defined.
+
+getservbyname_r_proto (d_getservbyname_r.U):
+ This variable encodes the prototype of getservbyname_r.
+ It is zero if d_getservbyname_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyname_r
+ is defined.
+
+getservbyport_r_proto (d_getservbyport_r.U):
+ This variable encodes the prototype of getservbyport_r.
+ It is zero if d_getservbyport_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyport_r
+ is defined.
+
+getservent_r_proto (d_getservent_r.U):
+ This variable encodes the prototype of getservent_r.
+ It is zero if d_getservent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservent_r
+ is defined.
+
+getspnam_r_proto (d_getspnam_r.U):
+ This variable encodes the prototype of getspnam_r.
+ It is zero if d_getspnam_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_getspnam_r
+ is defined.
+
gidformat (gidf.U):
This variable contains the format string used for printing a Gid_t.
find libraries. It may contain directories that do not exist on
this platform, libpth is the cleaned-up version.
+gmake (Loc.U):
+ This variable is used internally by Configure to determine the
+ full pathname (if any) of the gmake program. After Configure runs,
+ the value is reset to a plain "gmake" and is not useful.
+
+gmtime_r_proto (d_gmtime_r.U):
+ This variable encodes the prototype of gmtime_r.
+ It is zero if d_gmtime_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_gmtime_r
+ is defined.
+
+gnulibc_version (d_gnulibc.U):
+ This variable contains the version number of the GNU C library.
+ It is usually something like '2.2.5'. It is a plain '' if this
+ is not the GNU C library, or if the version is unknown.
+
grep (Loc.U):
This variable is used internally by Configure to determine the
full pathname (if any) of the grep program. After Configure runs,
command, in which case this variable is unset.
groupstype (groupstype.U):
- This variable defines Groups_t to be something like gid_t, int,
+ This variable defines Groups_t to be something like gid_t, int,
ushort, or whatever type is used for the second argument to
getgroups() and setgroups(). Usually, this is the same as
gidtype (gid_t), but sometimes it isn't.
On some systems, such as os390, there may be no equivalent
command, in which case this variable is unset.
+hostgenerate (Cross.U):
+ This variable contains the path to a generate_uudmap binary that
+ can be run on the host OS when cross-compiling. Useful and
+ available only during Perl build.
+ Empty string '' if not cross-compiling.
+
+hostosname (Cross.U):
+ This variable contains the original value of '$^O' for hostperl
+ when cross-compiling. This is useful to pick the proper tools
+ when running build code in the host.
+ Empty string '' if not cross-compiling.
+
+hostperl (Cross.U):
+ This variable contains the path to a miniperl binary that can be
+ run on the host OS when cross-compiling. Useful and available only
+ during Perl build.
+ Empty string '' if not cross-compiling.
+
+html1dir (html1dir.U):
+ This variable contains the name of the directory in which html
+ source pages are to be put. This directory is for pages
+ that describe whole programs, not libraries or modules. It
+ is intended to correspond roughly to section 1 of the Unix
+ manuals.
+
+html1direxp (html1dir.U):
+ This variable is the same as the html1dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
+html3dir (html3dir.U):
+ This variable contains the name of the directory in which html
+ source pages are to be put. This directory is for pages
+ that describe libraries or modules. It is intended to
+ correspond roughly to section 3 of the Unix manuals.
+
+html3direxp (html3dir.U):
+ This variable is the same as the html3dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
i16size (perlxv.U):
This variable is the size of an I16 in bytes.
This variable conditionally defines the I_ARPA_INET symbol,
and indicates whether a C program should include <arpa/inet.h>.
+i_assert (i_assert.U):
+ This variable conditionally defines the I_ASSERT symbol, which
+ indicates to the C program that <assert.h> exists and could be
+ included.
+
+i_bfd (i_bfd.U):
+ This variable conditionally defines the I_BFD symbol, and
+ indicates whether a C program can include <bfd.h>.
+
i_bsdioctl (i_sysioctl.U):
This variable conditionally defines the I_SYS_BSDIOCTL symbol, which
indicates to the C program that <sys/bsdioctl.h> exists and should
be included.
+i_crypt (i_crypt.U):
+ This variable conditionally defines the I_CRYPT symbol, and indicates
+ whether a C program should include <crypt.h>.
+
i_db (i_db.U):
This variable conditionally defines the I_DB symbol, and indicates
whether a C program may include Berkeley's DB include file <db.h>.
This variable conditionally defines I_DIRENT, which indicates
to the C program that it should include <dirent.h>.
-i_dld (i_dld.U):
- This variable conditionally defines the I_DLD symbol, which
- indicates to the C program that <dld.h> (GNU dynamic loading)
- exists and should be included.
-
i_dlfcn (i_dlfcn.U):
This variable conditionally defines the I_DLFCN symbol, which
indicates to the C program that <dlfcn.h> exists and should
be included.
+i_execinfo (i_execinfo.U):
+ This variable conditionally defines the I_EXECINFO symbol, and indicates
+ whether a C program may include <execinfo.h>, for backtrace() support.
+
i_fcntl (i_fcntl.U):
This variable controls the value of I_FCNTL (which tells
the C program to include <fcntl.h>).
+i_fenv (i_fenv.U):
+ This variable conditionally defines the I_FENV symbol, which
+ indicates to the C program that <fenv.h> exists and should
+ be included.
+
i_float (i_float.U):
This variable conditionally defines the I_FLOAT symbol, and indicates
whether a C program may include <float.h> to get symbols like DBL_MAX
indicates to the C program that <gdbm.h> exists and should
be included.
+i_gdbm_ndbm (i_ndbm.U):
+ This variable conditionally defines the I_GDBM_NDBM symbol, which
+ indicates to the C program that <gdbm-ndbm.h> exists and should
+ be included. This is the location of the ndbm.h compatibility file
+ in Debian 4.0.
+
+i_gdbmndbm (i_ndbm.U):
+ This variable conditionally defines the I_GDBMNDBM symbol, which
+ indicates to the C program that <gdbm/ndbm.h> exists and should
+ be included. This was the location of the ndbm.h compatibility file
+ in RedHat 7.1.
+
i_grp (i_grp.U):
This variable conditionally defines the I_GRP symbol, and indicates
whether a C program should include <grp.h>.
-i_iconv (i_iconv.U):
- This variable conditionally defines the I_ICONV symbol, and indicates
- whether a C program should include <iconv.h>.
-
i_ieeefp (i_ieeefp.U):
This variable conditionally defines the I_IEEEFP symbol, and indicates
whether a C program should include <ieeefp.h>.
This variable conditionally defines the I_MALLOC symbol, and indicates
whether a C program should include <malloc.h>.
+i_mallocmalloc (i_mallocmalloc.U):
+ This variable conditionally defines the I_MALLOCMALLOC symbol,
+ and indicates whether a C program should include <malloc/malloc.h>.
+
i_math (i_math.U):
This variable conditionally defines the I_MATH symbol, and indicates
whether a C program may include <math.h>.
This variable conditionally defines I_PWD, which indicates
to the C program that it should include <pwd.h>.
+i_quadmath (i_quadmath.U):
+ This variable conditionally defines I_QUADMATH, which indicates
+ to the C program that it should include <quadmath.h>.
+
i_rpcsvcdbm (i_dbm.U):
This variable conditionally defines the I_RPCSVC_DBM symbol, which
indicates to the C program that <rpcsvc/dbm.h> exists and should
be included. Some System V systems might need this instead of <dbm.h>.
-i_sfio (i_sfio.U):
- This variable conditionally defines the I_SFIO symbol,
- and indicates whether a C program should include <sfio.h>.
-
i_sgtty (i_termio.U):
This variable conditionally defines the I_SGTTY symbol, which
indicates to the C program that it should include <sgtty.h> rather
indicates to the C program that <stdarg.h> exists and should
be included.
+i_stdbool (i_stdbool.U):
+ This variable conditionally defines the I_STDBOOL symbol, which
+ indicates to the C program that <stdbool.h> exists and should
+ be included.
+
i_stddef (i_stddef.U):
This variable conditionally defines the I_STDDEF symbol, which
indicates to the C program that <stddef.h> exists and should
be included.
+i_stdint (i_stdint.U):
+ This variable conditionally defines the I_STDINT symbol, which
+ indicates to the C program that <stdint.h> exists and should
+ be included.
+
i_stdlib (i_stdlib.U):
This variable conditionally defines the I_STDLIB symbol, which
indicates to the C program that <stdlib.h> exists and should
This variable conditionally defines the I_SYS_PARAM symbol, and indicates
whether a C program should include <sys/param.h>.
+i_syspoll (i_syspoll.U):
+ This variable conditionally defines the I_SYS_POLL symbol, which
+ indicates to the C program that it should include <sys/poll.h>.
+
i_sysresrc (i_sysresrc.U):
This variable conditionally defines the I_SYS_RESOURCE symbol,
and indicates whether a C program should include <sys/resource.h>.
This variable conditionally defines the I_VFORK symbol, and indicates
whether a C program should include vfork.h.
+i_xlocale (d_newlocale.U):
+ This symbol, if defined, indicates to the C program that it should
+ include <xlocale.h> to get uselocale() and its friends
+
ignore_versioned_solibs (libs.U):
This variable should be non-empty if non-versioned shared
libraries (libfoo.so.x.y) are to be ignored (because they
site_perl directory was introduced in 5.005, so that is the
lowest possible value.
+ This list includes architecture-dependent directories back to
+ version $api_versionstring (e.g. 5.5.640) and
+ architecture-independent directories all the way back to
+ 5.005.
+
inc_version_list_init (inc_version_list.U):
This variable holds the same list as inc_version_list, but
- each item is enclosed in double quotes and separated by commas,
+ each item is enclosed in double quotes and separated by commas,
suitable for use in the PERL_INC_VERSION_LIST initialization.
incpath (usrinc.U):
- This variable must preceed the normal include path to get hte
+ This variable must precede the normal include path to get the
+ right one, as in "$incpath/usr/include" or "$incpath/usr/lib".
+ Value can be "" or "/bsd43" on mips.
+
+incpth (libpth.U):
+ This variable must precede the normal include path to get the
right one, as in "$incpath/usr/include" or "$incpath/usr/lib".
Value can be "" or "/bsd43" on mips.
inews (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+initialinstalllocation (bin.U):
+ When userelocatableinc is true, this variable holds the location
+ that make install should copy the perl binary to, with all the
+ run-time relocatable paths calculated from this at install time.
+ When used, it is initialized to the original value of binexp, and
+ then binexp is set to '.../', as the other binaries are found
+ relative to the perl binary.
installarchlib (archlib.U):
This variable is really the same as archlibexp but may differ on
installbin (bin.U):
This variable is the same as binexp unless AFS is running in which case
- the user is explicitely prompted for it. This variable should always
+ the user is explicitly prompted for it. This variable should always
be used in your makefiles for maximum portability.
+installhtml1dir (html1dir.U):
+ This variable is really the same as html1direxp, unless you are
+ using a different installprefix. For extra portability, you
+ should only use this variable within your makefiles.
+
+installhtml3dir (html3dir.U):
+ This variable is really the same as html3direxp, unless you are
+ using a different installprefix. For extra portability, you
+ should only use this variable within your makefiles.
+
installman1dir (man1dir.U):
This variable is really the same as man1direxp, unless you are using
AFS in which case it points to the read/write location whereas
portability, you should only use this variable within your makefiles.
installprefix (installprefix.U):
- This variable holds the name of the directory below which
+ This variable holds the name of the directory below which
"make install" will install the package. For most users, this
is the same as prefix. However, it is useful for
installing the software into a different (usually temporary)
a system running AFS, in which case they may differ slightly. You
should always use this variable within your makefiles for portability.
+installsitehtml1dir (sitehtml1dir.U):
+ This variable is really the same as sitehtml1direxp, unless you are using
+ AFS in which case it points to the read/write location whereas
+ html1direxp only points to the read-only access location. For extra
+ portability, you should only use this variable within your makefiles.
+
+installsitehtml3dir (sitehtml3dir.U):
+ This variable is really the same as sitehtml3direxp, unless you are using
+ AFS in which case it points to the read/write location whereas
+ html3direxp only points to the read-only access location. For extra
+ portability, you should only use this variable within your makefiles.
+
installsitelib (sitelib.U):
This variable is really the same as sitelibexp but may differ on
those systems using AFS. For extra portability, only this variable
should be used in makefiles.
+installsiteman1dir (siteman1dir.U):
+ This variable is really the same as siteman1direxp, unless you are using
+ AFS in which case it points to the read/write location whereas
+ man1direxp only points to the read-only access location. For extra
+ portability, you should only use this variable within your makefiles.
+
+installsiteman3dir (siteman3dir.U):
+ This variable is really the same as siteman3direxp, unless you are using
+ AFS in which case it points to the read/write location whereas
+ man3direxp only points to the read-only access location. For extra
+ portability, you should only use this variable within your makefiles.
+
+installsitescript (sitescript.U):
+ This variable is usually the same as sitescriptexp, unless you are on
+ a system running AFS, in which case they may differ slightly. You
+ should always use this variable within your makefiles for portability.
+
installstyle (installstyle.U):
This variable describes the "style" of the perl installation.
This is intended to be useful for tools that need to
directory dedicated to perl (e.g. /opt/perl), while the latter
is useful if $prefix is shared by many packages, e.g. if
$prefix=/usr/local.
- This may later be extended to include other information, so
+
+ Unfortunately, while this "style" variable is used to set
+ defaults for all three directory hierarchies (core, vendor, and
+ site), there is no guarantee that the same style is actually
+ appropriate for all those directories. For example, $prefix
+ might be /opt/perl, but $siteprefix might be /usr/local.
+ (Perhaps, in retrospect, the "lib" style should never have been
+ supported, but it did seem like a nice idea at the time.)
+
+ The situation is even less clear for tools such as MakeMaker
+ that can be used to install additional modules into
+ non-standard places. For example, if a user intends to install
+ a module into a private directory (perhaps by setting PREFIX on
+ the Makefile.PL command line), then there is no reason to
+ assume that the Configure-time $installstyle setting will be
+ relevant for that PREFIX.
+
+ This may later be extended to include other information, so
be careful with pattern-matching on the results.
- For compatibility with perl5.005 and earlier, the default
+
+ For compatibility with perl5.005 and earlier, the default
setting is based on whether or not $prefix contains the string
"perl".
those systems using AFS. For extra portability, only this variable
should be used in makefiles.
+installvendorhtml1dir (vendorhtml1dir.U):
+ This variable is really the same as vendorhtml1direxp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
+installvendorhtml3dir (vendorhtml3dir.U):
+ This variable is really the same as vendorhtml3direxp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
installvendorlib (vendorlib.U):
This variable is really the same as vendorlibexp but may differ on
those systems using AFS. For extra portability, only this variable
should be used in makefiles.
+installvendorman1dir (vendorman1dir.U):
+ This variable is really the same as vendorman1direxp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
+installvendorman3dir (vendorman3dir.U):
+ This variable is really the same as vendorman3direxp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
+installvendorscript (vendorscript.U):
+ This variable is really the same as vendorscriptexp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
intsize (intsize.U):
This variable contains the value of the INTSIZE symbol, which
indicates to the C program how many bytes there are in an int.
ivdformat (perlxvf.U):
This variable contains the format string used for printing
- a Perl IV as a signed decimal integer.
+ a Perl IV as a signed decimal integer.
ivsize (perlxv.U):
This variable is the size of an IV in bytes.
This variable contains the C type used for Perl's IV.
known_extensions (Extensions.U):
- This variable holds a list of all XS extensions included in
- the package.
+ This variable holds a list of all extensions (both XS and non-xs)
+ included in the package source distribution. This information is
+ only really of use during the Perl build, as the list makes no
+ distinction between extensions which were build and installed, and
+ those which where not. See "extensions" for the list of extensions
+ actually built and available.
ksh (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
ld (dlsrc.U):
This variable indicates the program to be used to link
On ELF systems, it should be $cc. Mostly, we'll try to respect
the hint file setting.
+ld_can_script (dlsrc.U):
+ This variable shows if the loader accepts scripts in the form of
+ -Wl,--version-script=ld.script. This is currently only supported
+ for GNU ld on ELF in dynamic loading builds.
+
lddlflags (dlsrc.U):
This variable contains any special flags that might need to be
passed to $ld to create a shared library suitable for dynamic
libs (libs.U):
This variable holds the additional libraries we want to use.
- It is up to the Makefile to deal with it.
+ It is up to the Makefile to deal with it. The list can be empty.
libsdirs (libs.U):
This variable holds the directory names aka dirnames of the libraries
line (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
lint (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
lkflags (ccflags.U):
This variable contains any additional C partial linker flags desired by
the value is reset to a plain "ln" and is not useful.
lns (lns.U):
- This variable holds the name of the command to make
+ This variable holds the name of the command to make
symbolic links (if they are supported). It can be used
in the Makefile. It is either 'ln -s' or 'ln'
+localtime_r_proto (d_localtime_r.U):
+ This variable encodes the prototype of localtime_r.
+ It is zero if d_localtime_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_localtime_r
+ is defined.
+
locincpth (ccflags.U):
This variable contains a list of additional directories to be
searched by the compiler. The appropriate '-I' directives will
libraries. It is prepended to libpth, and is intended to be easily
set from the command line.
+longdblinfbytes (infnan.U):
+ This variable contains comma-separated list of hexadecimal bytes
+ for the long double precision infinity.
+
+longdblkind (d_longdbl.U):
+ This variable, if defined, encodes the type of a long double:
+ 0 = double,
+ 1 = IEEE 754 128-bit little endian,
+ 2 = IEEE 754 128-bit big endian,
+ 3 = x86 80-bit little endian,
+ 4 = x86 80-bit big endian,
+ 5 = double-double 128-bit little endian,
+ 6 = double-double 128-bit big endian,
+ 7 = 128-bit mixed-endian double-double (64-bit LEs in BE),
+ 8 = 128-bit mixed-endian double-double (64-bit BEs in LE),
+ 9 = 128-bit PDP-style mixed-endian long doubles,
+ -1 = unknown format.
+
+longdblmantbits (mantbits.U):
+ This symbol, if defined, tells how many mantissa bits
+ there are in long double precision floating point format.
+ Note that this can be LDBL_MANT_DIG minus one,
+ since LDBL_MANT_DIG can include the IEEE 754 implicit bit.
+ The common x86-style 80-bit long double does not have
+ an implicit bit.
+
+longdblnanbytes (infnan.U):
+ This variable contains comma-separated list of hexadecimal bytes
+ for the long double precision not-a-number.
+
longdblsize (d_longdbl.U):
This variable contains the value of the LONG_DOUBLESIZE symbol, which
indicates to the C program how many bytes there are in a long double,
- if this system supports long doubles.
+ if this system supports long doubles. Note that this is
+ sizeof(long double), which may include unused bytes.
longlongsize (d_longlong.U):
This variable contains the value of the LONGLONGSIZE symbol, which
lp (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
lpr (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
ls (Loc.U):
This variable is used internally by Configure to determine the
the value is reset to a plain "ls" and is not useful.
lseeksize (lseektype.U):
- This variable defines lseektype to be something like off_t, long,
+ This variable defines lseektype to be something like off_t, long,
or whatever type is used to declare lseek offset's type in the
kernel (which also appears to be lseek's return type).
lseektype (lseektype.U):
- This variable defines lseektype to be something like off_t, long,
+ This variable defines lseektype to be something like off_t, long,
or whatever type is used to declare lseek offset's type in the
kernel (which also appears to be lseek's return type).
mail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
mailx (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
make (Loc.U):
This variable is used internally by Configure to determine the
This variable contains the string to be included in Makefile.SH
so that MAKE is set if needed, and not if not needed.
Possible values are:
+
make_set_make='#' # If your make program handles this for you,
+
make_set_make="MAKE=$make" # if it doesn't.
- I used a comment character so that we can distinguish a
+
+ This uses a comment character so that we can distinguish a
'set' value (from a previous config.sh or Configure '-D' option)
from an uncomputed value.
have: one of 'n', 'l', or '3'. The Makefile must supply the '.'.
See man3dir.
-Mcc (Loc.U):
- This variable is used internally by Configure to determine the
- full pathname (if any) of the Mcc program. After Configure runs,
- the value is reset to a plain "Mcc" and is not useful.
-
mips_type (usrinc.U):
This variable holds the environment type for the mips system.
Possible values are "BSD 4.3" and "System V".
+mistrustnm (Csym.U):
+ This variable can be used to establish a fallthrough for the cases
+ where nm fails to find a symbol. If usenm is false or usenm is true
+ and mistrustnm is false, this variable has no effect. If usenm is true
+ and mistrustnm is "compile", a test program will be compiled to try to
+ find any symbol that can't be located via nm lookup. If mistrustnm is
+ "run", the test program will be run as well as being compiled.
+
mkdir (Loc.U):
This variable is used internally by Configure to determine the
full pathname (if any) of the mkdir program. After Configure runs,
It can be 'void *' or 'caddr_t'.
modetype (modetype.U):
- This variable defines modetype to be something like mode_t,
- int, unsigned short, or whatever type is used to declare file
+ This variable defines modetype to be something like mode_t,
+ int, unsigned short, or whatever type is used to declare file
modes for system calls.
more (Loc.U):
mv (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
myarchname (archname.U):
This variable holds the architecture name computed by Configure in
The dot comes with mydomain, and need not be supplied by the program.
myuname (Oldconfig.U):
- The output of 'uname -a' if available, otherwise the hostname. On Xenix,
- pseudo variables assignments in the output are stripped, thank you. The
- whole thing is then lower-cased.
+ The output of 'uname -a' if available, otherwise the hostname.
+ The whole thing is then lower-cased and slashes and single quotes are
+ removed.
n (n.U):
This variable contains the '-n' flag if that is what causes the echo
Maybe Linux should just always set usenm=false.
nonxs_ext (Extensions.U):
- This variable holds a list of all non-xs extensions included
- in the package. All of them will be built.
+ This variable holds a list of all non-xs extensions built and
+ installed by the package. By default, all non-xs extensions
+ distributed will be built, with the exception of platform-specific
+ extensions (currently only one VMS specific extension).
nroff (Loc.U):
This variable is used internally by Configure to determine the
full pathname (if any) of the nroff program. After Configure runs,
the value is reset to a plain "nroff" and is not useful.
+nv_overflows_integers_at (perlxv.U):
+ This variable gives the largest integer value that NVs can hold
+ as a constant floating point expression.
+ If it could not be determined, it holds the value 0.
+
+nv_preserves_uv_bits (perlxv.U):
+ This variable indicates how many of bits type uvtype
+ a variable nvtype can preserve.
+
nveformat (perlxvf.U):
This variable contains the format string used for printing
a Perl NV using %e-ish floating point format.
a Perl NV using %E-ish floating point format.
nvfformat (perlxvf.U):
- This variable confains the format string used for printing
+ This variable contains the format string used for printing
a Perl NV using %f-ish floating point format.
nvFUformat (perlxvf.U):
- This variable confains the format string used for printing
+ This variable contains the format string used for printing
a Perl NV using %F-ish floating point format.
nvgformat (perlxvf.U):
This variable contains the format string used for printing
a Perl NV using %G-ish floating point format.
+nvmantbits (mantbits.U):
+ This variable tells how many bits the mantissa of a Perl NV has,
+ not including the possible implicit bit.
+
nvsize (perlxv.U):
- This variable is the size of an NV in bytes.
+ This variable is the size of a Perl NV in bytes.
+ Note that some floating point formats have unused bytes.
nvtype (perlxv.U):
This variable contains the C type used for Perl's NV.
This is an old synonym for p_ in Head.U, the character
used to separate elements in the command shell search PATH.
+perl (Loc.U):
+ This variable is used internally by Configure to determine the
+ full pathname (if any) of the perl program. After Configure runs,
+ the value is reset to a plain "perl" and is not useful.
+
perl5 (perl5.U):
This variable contains the full path (if any) to a previously
installed perl5.005 or later suitable for running the script
to determine inc_version_list.
-perl (Loc.U):
- This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+PERL_API_REVISION (patchlevel.h):
+ This number describes the earliest compatible PERL_REVISION of
+ Perl ("compatibility" here being defined as sufficient binary/API
+ compatibility to run XS code built with the older version).
+ Normally this does not change across maintenance releases.
+ Please read the comment in patchlevel.h.
+
+PERL_API_SUBVERSION (patchlevel.h):
+ This number describes the earliest compatible PERL_SUBVERSION of
+ Perl ("compatibility" here being defined as sufficient binary/API
+ compatibility to run XS code built with the older version).
+ Normally this does not change across maintenance releases.
+ Please read the comment in patchlevel.h.
+
+PERL_API_VERSION (patchlevel.h):
+ This number describes the earliest compatible PERL_VERSION of
+ Perl ("compatibility" here being defined as sufficient binary/API
+ compatibility to run XS code built with the older version).
+ Normally this does not change across maintenance releases.
+ Please read the comment in patchlevel.h.
+
+PERL_CONFIG_SH (Oldsyms.U):
+ This is set to 'true' in config.sh so that a shell script
+ sourcing config.sh can tell if it has been sourced already.
+
+PERL_PATCHLEVEL (Oldsyms.U):
+ This symbol reflects the patchlevel, if available. Will usually
+ come from the .patch file, which is available when the perl
+ source tree was fetched with rsync.
perl_patchlevel (patchlevel.U):
This is the Perl patch level, a numeric change identifier,
In a Perl version number such as 5.6.2, this is the 5.
This value is manually set in patchlevel.h
+perl_static_inline (d_static_inline.U):
+ This variable defines the PERL_STATIC_INLINE symbol to
+ the best-guess incantation to use for static inline functions.
+ Possibilities include
+ static inline (c99)
+ static __inline__ (gcc -ansi)
+ static __inline (MSVC)
+ static _inline (older MSVC)
+ static (c89 compilers)
+
PERL_SUBVERSION (Oldsyms.U):
In a Perl version number such as 5.6.2, this is the 2.
Values greater than 50 represent potentially unstable
perlpath (perlpath.U):
This variable contains the eventual value of the PERLPATH symbol,
which contains the name of the perl interpreter to be used in
- shell scripts and in the "eval 'exec'" idiom.
+ shell scripts and in the "eval 'exec'" idiom. This variable is
+ not necessarily the pathname of the file containing the perl
+ interpreter; you must append the executable extension (_exe) if
+ it is not already present. Note that Perl code that runs during
+ the Perl build process cannot reference this variable, as Perl
+ may not have been installed, or even if installed, may be a
+ different version of Perl.
pg (Loc.U):
This variable is used internally by Configure to determine the
there already.
pidtype (pidtype.U):
- This variable defines PIDTYPE to be something like pid_t, int,
+ This variable defines PIDTYPE to be something like pid_t, int,
ushort, or whatever type is used to declare process ids in the kernel.
plibpth (libpth.U):
Its value is prepend to libpth. This variable takes care of special
machines, like the mips. Usually, it should be empty.
-pm_apiversion (xs_apiversion.U):
- This variable contains the version of the oldest perl
- compatible with the present perl. (That is, pure perl modules
- written for $pm_apiversion will still work for the current
- version). perl.c:incpush() and lib/lib.pm will automatically
- search in $sitelib for older directories across major versions
- back to pm_apiversion. This is only useful if you have a perl
- library directory tree structured like the default one. The
- versioned site_perl library was introduced in 5.005, so that's
- the default setting for this variable. It's hard to imagine
- it changing before Perl6. It is included here for symmetry
- with xs_apiveprsion -- the searching algorithms will
- (presumably) be similar.
- See the INSTALL file for how this works.
-
pmake (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
pr (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
prefix (prefix.U):
This variable holds the name of the directory below which the
This variable is the ~name expanded version of privlib, so that you
may use it directly in Makefiles or shell scripts.
+procselfexe (d_procselfexe.U):
+ If d_procselfexe is defined, $procselfexe is the filename
+ of the symbolic link pointing to the absolute pathname of
+ the executing program.
+
prototype (prototype.U):
This variable holds the eventual value of CAN_PROTOTYPE, which
- indicates the C compiler can handle funciton prototypes.
+ indicates the C compiler can handle function prototypes.
ptrsize (ptrsize.U):
This variable contains the value of the PTRSIZE symbol, which
1 = int, 2 = long, 3 = long long, 4 = int64_t.
quadtype (quadtype.U):
- This variable defines Quad_t to be something like long, int,
+ This variable defines Quad_t to be something like long, int,
long long, int64_t, or whatever type is used for 64-bit integers.
randbits (randfunc.U):
the 'Drand01' macro is defined to generate uniformly distributed
random numbers over the range [0., 1.[ (see drand01 and nrand).
+random_r_proto (d_random_r.U):
+ This variable encodes the prototype of random_r.
+ It is zero if d_random_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_random_r
+ is defined.
+
randseedtype (randfunc.U):
Indicates the type of the argument of the seedfunc.
used, which is a shame because you cannot make the difference between
no data and an EOF.. Sigh!
+readdir64_r_proto (d_readdir64_r.U):
+ This variable encodes the prototype of readdir64_r.
+ It is zero if d_readdir64_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir64_r
+ is defined.
+
+readdir_r_proto (d_readdir_r.U):
+ This variable encodes the prototype of readdir_r.
+ It is zero if d_readdir_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir_r
+ is defined.
+
revision (patchlevel.U):
The value of revision comes from the patchlevel.h file.
In a version number such as 5.6.1, this is the "5".
full pathname (if any) of the rm program. After Configure runs,
the value is reset to a plain "rm" and is not useful.
+rm_try (Unix.U):
+ This is a cleanup variable for try test programs.
+ Internal Configure use only.
+
rmail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
run (Cross.U):
This variable contains the command used by Configure
selecttype (selecttype.U):
This variable holds the type used for the 2nd, 3rd, and 4th
arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET
- is defined, and 'int *' otherwise. This is only useful if you
+ is defined, and 'int *' otherwise. This is only useful if you
have select(), naturally.
sendmail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+setgrent_r_proto (d_setgrent_r.U):
+ This variable encodes the prototype of setgrent_r.
+ It is zero if d_setgrent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_setgrent_r
+ is defined.
+
+sethostent_r_proto (d_sethostent_r.U):
+ This variable encodes the prototype of sethostent_r.
+ It is zero if d_sethostent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_sethostent_r
+ is defined.
+
+setlocale_r_proto (d_setlocale_r.U):
+ This variable encodes the prototype of setlocale_r.
+ It is zero if d_setlocale_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_setlocale_r
+ is defined.
+
+setnetent_r_proto (d_setnetent_r.U):
+ This variable encodes the prototype of setnetent_r.
+ It is zero if d_setnetent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_setnetent_r
+ is defined.
+
+setprotoent_r_proto (d_setprotoent_r.U):
+ This variable encodes the prototype of setprotoent_r.
+ It is zero if d_setprotoent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_setprotoent_r
+ is defined.
+
+setpwent_r_proto (d_setpwent_r.U):
+ This variable encodes the prototype of setpwent_r.
+ It is zero if d_setpwent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_setpwent_r
+ is defined.
+
+setservent_r_proto (d_setservent_r.U):
+ This variable encodes the prototype of setservent_r.
+ It is zero if d_setservent_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
+ is defined.
+
+sGMTIME_max (time_size.U):
+ This variable defines the maximum value of the time_t offset that
+ the system function gmtime () accepts
+
+sGMTIME_min (time_size.U):
+ This variable defines the minimum value of the time_t offset that
+ the system function gmtime () accepts
sh (sh.U):
This variable contains the full pathname of the shell used
shar (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
sharpbang (spitshell.U):
This variable contains the string #! if this system supports that
shrpenv (libperl.U):
If the user builds a shared libperl.so, then we need to tell the
- 'perl' executable where it will be able to find the installed libperl.so.
+ 'perl' executable where it will be able to find the installed libperl.so.
One way to do this on some systems is to set the environment variable
LD_RUN_PATH to the directory that will be the final location of the
shared libperl.so. The makefile can use this with something like
shrpenv=''
See the main perl Makefile.SH for actual working usage.
Alternatively, we might be able to use a command line option such
- as -R $archlibexp/CORE (Solaris, NetBSD) or -Wl,-rpath
+ as -R $archlibexp/CORE (Solaris) or -Wl,-rpath
$archlibexp/CORE (Linux).
shsharp (spitshell.U):
sig_name (sig_name.U):
This variable holds the signal names, space separated. The leading
- SIG in signal name is removed. A ZERO is prepended to the
- list. This is currently not used.
+ SIG in signal name is removed. A ZERO is prepended to the list.
+ This is currently not used, sig_name_init is used instead.
sig_name_init (sig_name.U):
This variable holds the signal names, enclosed in double quotes and
- separated by commas, suitable for use in the SIG_NAME definition
- below. A "ZERO" is prepended to the list, and the list is
+ separated by commas, suitable for use in the SIG_NAME definition
+ below. A "ZERO" is prepended to the list, and the list is
terminated with a plain 0. The leading SIG in signal names
is removed. See sig_num.
sig_num (sig_name.U):
This variable holds the signal numbers, space separated. A ZERO is
- prepended to the list (corresponding to the fake SIGZERO), and
- the list is terminated with a 0. Those numbers correspond to
- the value of the signal listed in the same place within the
- sig_name list.
+ prepended to the list (corresponding to the fake SIGZERO).
+ Those numbers correspond to the value of the signal listed
+ in the same place within the sig_name list.
+ This is currently not used, sig_num_init is used instead.
sig_num_init (sig_name.U):
This variable holds the signal numbers, enclosed in double quotes and
- separated by commas, suitable for use in the SIG_NUM definition
- below. A "ZERO" is prepended to the list, and the list is
+ separated by commas, suitable for use in the SIG_NUM definition
+ below. A "ZERO" is prepended to the list, and the list is
terminated with a plain 0.
sig_size (sig_name.U):
This variable contains the number of elements of the sig_name
- and sig_num arrays, excluding the final NULL entry.
+ and sig_num arrays.
signal_t (d_voidsig.U):
This variable holds the type of the signal handler (void or int).
This is the same as the sitebin variable, but is filename expanded at
configuration time, for use in your makefiles.
+sitehtml1dir (sitehtml1dir.U):
+ This variable contains the name of the directory in which site-specific
+ html source pages are to be put. It is the responsibility of the
+ Makefile.SH to get the value of this into the proper command.
+ You must be prepared to do the ~name expansion yourself.
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ html pages in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
+
+sitehtml1direxp (sitehtml1dir.U):
+ This variable is the same as the sitehtml1dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
+sitehtml3dir (sitehtml3dir.U):
+ This variable contains the name of the directory in which site-specific
+ library html source pages are to be put. It is the responsibility of the
+ Makefile.SH to get the value of this into the proper command.
+ You must be prepared to do the ~name expansion yourself.
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ library html pages in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
+
+sitehtml3direxp (sitehtml3dir.U):
+ This variable is the same as the sitehtml3dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
sitelib (sitelib.U):
This variable contains the eventual value of the SITELIB symbol,
which is the name of the private library for this package. It may
This variable is the ~name expanded version of sitelib, so that you
may use it directly in Makefiles or shell scripts.
+siteman1dir (siteman1dir.U):
+ This variable contains the name of the directory in which site-specific
+ manual source pages are to be put. It is the responsibility of the
+ Makefile.SH to get the value of this into the proper command.
+ You must be prepared to do the ~name expansion yourself.
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ man1 pages in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
+
+siteman1direxp (siteman1dir.U):
+ This variable is the same as the siteman1dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
+siteman3dir (siteman3dir.U):
+ This variable contains the name of the directory in which site-specific
+ library man source pages are to be put. It is the responsibility of the
+ Makefile.SH to get the value of this into the proper command.
+ You must be prepared to do the ~name expansion yourself.
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ man3 pages in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
+
+siteman3direxp (siteman3dir.U):
+ This variable is the same as the siteman3dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
siteprefix (siteprefix.U):
This variable holds the full absolute path of the directory below
which the user will install add-on packages.
This variable holds the full absolute path of the directory below
which the user will install add-on packages. Derived from siteprefix.
+sitescript (sitescript.U):
+ This variable holds the name of the directory in which the user wants
+ to put add-on publicly executable files for the package in question. It
+ is most often a local directory such as /usr/local/bin. Programs using
+ this variable must be prepared to deal with ~name substitution.
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ scripts in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
+
+sitescriptexp (sitescript.U):
+ This is the same as the sitescript variable, but is filename expanded at
+ configuration time, for use in your makefiles.
+
sizesize (sizesize.U):
This variable contains the size of a sizetype in bytes.
sizetype (sizetype.U):
- This variable defines sizetype to be something like size_t,
- unsigned long, or whatever type is used to declare length
+ This variable defines sizetype to be something like size_t,
+ unsigned long, or whatever type is used to declare length
parameters for string functions.
sleep (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+sLOCALTIME_max (time_size.U):
+ This variable defines the maximum value of the time_t offset that
+ the system function localtime () accepts
+
+sLOCALTIME_min (time_size.U):
+ This variable defines the minimum value of the time_t offset that
+ the system function localtime () accepts
smail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
so (so.U):
This variable holds the extension used to identify shared libraries
The 'U' in the name is to separate this from sPRIx64 so that even
case-blind systems can see the difference.
+srand48_r_proto (d_srand48_r.U):
+ This variable encodes the prototype of srand48_r.
+ It is zero if d_srand48_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_srand48_r
+ is defined.
+
+srandom_r_proto (d_srandom_r.U):
+ This variable encodes the prototype of srandom_r.
+ It is zero if d_srandom_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_srandom_r
+ is defined.
+
src (src.U):
- This variable holds the path to the package source. It is up to
- the Makefile to use this variable and set VPATH accordingly to
- find the sources remotely.
+ This variable holds the (possibly relative) path of the package source.
+ It is up to the Makefile to use this variable and set VPATH accordingly
+ to find the sources remotely. Use $pkgsrc to have an absolute path.
sSCNfldbl (longdblfio.U):
This variable, if defined, contains the string used by stdio to
format long doubles (format 'f') for input.
ssizetype (ssizetype.U):
- This variable defines ssizetype to be something like ssize_t,
- long or int. It is used by functions that return a count
+ This variable defines ssizetype to be something like ssize_t,
+ long or int. It is used by functions that return a count
of bytes or an error condition. It must be a signed type.
We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
+st_ino_sign (st_ino_def.U):
+ This variable contains the signedness of struct stat's st_ino.
+ 1 for unsigned, -1 for signed.
+
+st_ino_size (st_ino_def.U):
+ This variable contains the size of struct stat's st_ino in bytes.
+
startperl (startperl.U):
This variable contains the string to put on the front of a perl
script to make sure (hopefully) that it runs with perl and not some
eval 'exec perl -S $0 ${1+"$@"}'
if $running_under_some_shell;
to guarantee perl startup should the shell execute the script. Note
- that this magic incatation is not understood by csh.
+ that this magic incantation is not understood by csh.
startsh (startsh.U):
This variable contains the string to put on the front of a shell
This variable tells the name of the array holding the stdio streams.
Usual values include _iob, __iob, and __sF.
+strerror_r_proto (d_strerror_r.U):
+ This variable encodes the prototype of strerror_r.
+ It is zero if d_strerror_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_strerror_r
+ is defined.
+
strings (i_string.U):
This variable holds the full path of the string header that will be
used. Typically /usr/include/string.h or /usr/include/strings.h.
submit (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
subversion (patchlevel.U):
The subversion level of this package.
pages. Rather it is the place where Configure may look to find manual
for unix commands (section 1 of the manual usually). See mansrc.
+sysroot (Sysroot.U):
+ This variable is empty unless supplied by the Configure user.
+ It can contain a path to an alternative root directory, under which
+ headers and libraries for the compilation target can be found. This
+ is generally used when cross-compiling using a gcc-like compiler.
+
tail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
tar (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
targetarch (Cross.U):
If cross-compiling, this variable contains the target architecture.
If not, this will be empty.
+targetdir (Cross.U):
+ This variable contains a path that will be created on the target
+ host using targetmkdir, and then used to copy the cross-compiled
+ executables to. Defaults to '/tmp' if not set.
+
+targetenv (Cross.U):
+ If cross-compiling, this variable can be used to modify the
+ environment on the target system.
+ However, how and where it's used, and even if it's used at all, is
+ entirely dependent on both the transport mechanism (targetrun) and
+ what the target system is. Unless the relevant documentation says
+ otherwise, it is genereally not useful.
+
+targethost (Cross.U):
+ This variable contains the name of a separate host machine that
+ can be used to run compiled test programs and perl tests on.
+ Set to empty string if not in use.
+
+targetmkdir (Cross.U):
+ This variable contains the command used by Configure to create a
+ new directory on the target host.
+
+targetport (Cross.U):
+ This variable contains the number of a network port to be used to
+ connect to the host in targethost, if unset defaults to 22 for ssh.
+
+targetsh (sh.U):
+ If cross-compiling, this variable contains the location of sh on the
+ target system.
+ If not, this will be the same as $sh.
+
tbl (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
tee (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
test (Loc.U):
This variable is used internally by Configure to determine the
or time_t on BSD sites (in which case <sys/types.h> should be
included). Anyway, the type Time_t should be used.
+tmpnam_r_proto (d_tmpnam_r.U):
+ This variable encodes the prototype of tmpnam_r.
+ It is zero if d_tmpnam_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_tmpnam_r
+ is defined.
+
to (Cross.U):
This variable contains the command used by Configure
to copy to from the target host. Useful and available
troff (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+ttyname_r_proto (d_ttyname_r.U):
+ This variable encodes the prototype of ttyname_r.
+ It is zero if d_ttyname_r is undef, and one of the
+ REENTRANT_PROTO_T_ABC macros of reentr.h if d_ttyname_r
+ is defined.
u16size (perlxv.U):
This variable is the size of an U16 in bytes.
This variable contains the size of a uidtype in bytes.
uidtype (uidtype.U):
- This variable defines Uid_t to be something like uid_t, int,
+ This variable defines Uid_t to be something like uid_t, int,
ushort, or whatever type is used to declare user ids in the kernel.
uname (Loc.U):
use5005threads (usethreads.U):
This variable conditionally defines the USE_5005THREADS symbol,
and indicates that Perl should be built to use the 5.005-based
- threading implementation.
+ threading implementation. Only valid up to 5.8.x.
use64bitall (use64bits.U):
This variable conditionally defines the USE_64_BIT_ALL symbol,
This may mean using for example "long longs", while your memory
may still be limited to 2 gigabytes.
+usecbacktrace (usebacktrace.U):
+ This variable indicates whether we are compiling with backtrace
+ support.
+
usecrosscompile (Cross.U):
This variable conditionally defines the USE_CROSS_COMPILE symbol,
and indicates that Perl has been cross-compiled.
+usedevel (Devel.U):
+ This variable indicates that Perl was configured with development
+ features enabled. This should not be done for production builds.
+
usedl (dlsrc.U):
This variable indicates if the system supports dynamic
loading of some sort. See also dlsrc and dlobj.
+usedtrace (usedtrace.U):
+ This variable indicates whether we are compiling with dtrace
+ support. See also dtrace.
+
+usefaststdio (usefaststdio.U):
+ This variable conditionally defines the USE_FAST_STDIO symbol,
+ and indicates that Perl should be built to use 'fast stdio'.
+ Defaults to define in Perls 5.8 and earlier, to undef later.
+
useithreads (usethreads.U):
This variable conditionally defines the USE_ITHREADS symbol,
and indicates that Perl should be built to use the interpreter-based
threading implementation.
+usekernprocpathname (usekernprocpathname.U):
+ This variable, indicates that we can use sysctl with
+ KERN_PROC_PATHNAME to get a full path for the executable, and hence
+ convert $^X to an absolute path.
+
uselargefiles (uselfs.U):
This variable conditionally defines the USE_LARGE_FILES symbol,
and indicates that large file interfaces should be used when
This variable conditionally defines the USE_LONG_DOUBLE symbol,
and indicates that long doubles should be used when available.
+usemallocwrap (mallocsrc.U):
+ This variable contains y if we are wrapping malloc to prevent
+ integer overflow during size calculations.
+
usemorebits (usemorebits.U):
This variable conditionally defines the USE_MORE_BITS symbol,
and indicates that explicit 64-bit interfaces and long doubles
usemymalloc (mallocsrc.U):
This variable contains y if the malloc that comes with this package
is desired over the system's version of malloc. People often include
- special versions of malloc for effiency, but such versions are often
+ special versions of malloc for efficiency, but such versions are often
less portable. See also mallocsrc and mallocobj.
If this is 'y', then -lmalloc is removed from $libs.
This variable contains 'true' or 'false' depending whether the
nm extraction is wanted or not.
+usensgetexecutablepath (usensgetexecutablepath.U):
+ This symbol, if defined, indicates that we can use _NSGetExecutablePath
+ and realpath to get a full path for the executable, and hence convert
+ $^X to an absolute path.
+
useopcode (Extensions.U):
This variable holds either 'true' or 'false' to indicate
whether the Opcode extension should be used. The sole
for hints files to indicate that POSIX will not compile
on a particular system.
+usequadmath (usequadmath.U):
+ This variable conditionally defines the USE_QUADMATH symbol,
+ and indicates that the quadmath library __float128 long doubles
+ should be used when available.
+
usereentrant (usethreads.U):
This variable conditionally defines the USE_REENTRANT_API symbol,
which indicates that the thread code may try to use the various
meaningful if usethreads is set and is very experimental, it is
not even prompted for.
-usesfio (d_sfio.U):
- This variable is set to true when the user agrees to use sfio.
- It is set to false when sfio is not available or when the user
- explicitely requests not to use sfio. It is here primarily so
- that command-line settings can override the auto-detection of
- d_sfio without running into a "WHOA THERE".
+userelocatableinc (bin.U):
+ This variable is set to true to indicate that perl should relocate
+ @INC entries at runtime based on the path to the perl binary.
+ Any @INC paths starting ".../" are relocated relative to the directory
+ containing the perl binary, and a logical cleanup of the path is then
+ made around the join point (removing "dir/../" pairs)
useshrplib (libperl.U):
- This variable is set to 'yes' if the user wishes
- to build a shared libperl, and 'no' otherwise.
+ This variable is set to 'true' if the user wishes
+ to build a shared libperl, and 'false' otherwise.
+
+usesitecustomize (d_sitecustomize.U):
+ This variable is set to true when the user requires a mechanism that
+ allows the sysadmin to add entries to @INC at runtime. This variable
+ being set, makes perl run '$sitelib/sitecustomize.pl' at startup.
usesocks (usesocks.U):
This variable conditionally defines the USE_SOCKS symbol,
This variable tells whether the vendorprefix
and consequently other vendor* paths are in use.
+useversionedarchname (archname.U):
+ This variable indicates whether to include the $api_versionstring
+ as a component of the $archname.
+
usevfork (d_vfork.U):
This variable is set to true when the user accepts to use vfork.
It is set to false when no vfork is available or when the user
- explicitely requests not to use vfork.
+ explicitly requests not to use vfork.
usrinc (usrinc.U):
This variable holds the path of the include files, which is
uuname (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
uvoformat (perlxvf.U):
This variable contains the format string used for printing
- a Perl UV as an unsigned octal integer.
+ a Perl UV as an unsigned octal integer.
uvsize (perlxv.U):
This variable is the size of a UV in bytes.
uvuformat (perlxvf.U):
This variable contains the format string used for printing
- a Perl UV as an unsigned decimal integer.
+ a Perl UV as an unsigned decimal integer.
uvxformat (perlxvf.U):
This variable contains the format string used for printing
This variable contains the format string used for printing
a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF.
+vaproto (vaproto.U):
+ This variable conditionally defines CAN_VAPROTO on systems supporting
+ prototype declaration of functions with a variable number of
+ arguments. See also prototype.
+
vendorarch (vendorarch.U):
This variable contains the value of the PERL_VENDORARCH symbol.
- It may have a ~ on the front.
+ It may have a ~ on the front.
The standard distribution will put nothing in this directory.
Vendors who distribute perl may wish to place their own
architecture-dependent modules and extensions in this directory with
- MakeMaker Makefile.PL INSTALLDIRS=vendor
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
or equivalent. See INSTALL for details.
vendorarchexp (vendorarch.U):
The standard distribution will put nothing in this directory.
Vendors who distribute perl may wish to place additional
binaries in this directory with
- MakeMaker Makefile.PL INSTALLDIRS=vendor
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
or equivalent. See INSTALL for details.
vendorbinexp (vendorbin.U):
This variable is the ~name expanded version of vendorbin, so that you
may use it directly in Makefiles or shell scripts.
+vendorhtml1dir (vendorhtml1dir.U):
+ This variable contains the name of the directory for html
+ pages. It may have a ~ on the front.
+ The standard distribution will put nothing in this directory.
+ Vendors who distribute perl may wish to place their own
+ html pages in this directory with
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
+ or equivalent. See INSTALL for details.
+
+vendorhtml1direxp (vendorhtml1dir.U):
+ This variable is the ~name expanded version of vendorhtml1dir, so that you
+ may use it directly in Makefiles or shell scripts.
+
+vendorhtml3dir (vendorhtml3dir.U):
+ This variable contains the name of the directory for html
+ library pages. It may have a ~ on the front.
+ The standard distribution will put nothing in this directory.
+ Vendors who distribute perl may wish to place their own
+ html pages for modules and extensions in this directory with
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
+ or equivalent. See INSTALL for details.
+
+vendorhtml3direxp (vendorhtml3dir.U):
+ This variable is the ~name expanded version of vendorhtml3dir, so that you
+ may use it directly in Makefiles or shell scripts.
+
vendorlib (vendorlib.U):
This variable contains the eventual value of the VENDORLIB symbol,
which is the name of the private library for this package.
The standard distribution will put nothing in this directory.
Vendors who distribute perl may wish to place their own
modules in this directory with
- MakeMaker Makefile.PL INSTALLDIRS=vendor
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
or equivalent. See INSTALL for details.
vendorlib_stem (vendorlib.U):
This variable is the ~name expanded version of vendorlib, so that you
may use it directly in Makefiles or shell scripts.
+vendorman1dir (vendorman1dir.U):
+ This variable contains the name of the directory for man1
+ pages. It may have a ~ on the front.
+ The standard distribution will put nothing in this directory.
+ Vendors who distribute perl may wish to place their own
+ man1 pages in this directory with
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
+ or equivalent. See INSTALL for details.
+
+vendorman1direxp (vendorman1dir.U):
+ This variable is the ~name expanded version of vendorman1dir, so that you
+ may use it directly in Makefiles or shell scripts.
+
+vendorman3dir (vendorman3dir.U):
+ This variable contains the name of the directory for man3
+ pages. It may have a ~ on the front.
+ The standard distribution will put nothing in this directory.
+ Vendors who distribute perl may wish to place their own
+ man3 pages in this directory with
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
+ or equivalent. See INSTALL for details.
+
+vendorman3direxp (vendorman3dir.U):
+ This variable is the ~name expanded version of vendorman3dir, so that you
+ may use it directly in Makefiles or shell scripts.
+
vendorprefix (vendorprefix.U):
This variable holds the full absolute path of the directory below
which the vendor will install add-on packages.
This variable holds the full absolute path of the directory below
which the vendor will install add-on packages. Derived from vendorprefix.
+vendorscript (vendorscript.U):
+ This variable contains the eventual value of the VENDORSCRIPT symbol.
+ It may have a ~ on the front.
+ The standard distribution will put nothing in this directory.
+ Vendors who distribute perl may wish to place additional
+ executable scripts in this directory with
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
+ or equivalent. See INSTALL for details.
+
+vendorscriptexp (vendorscript.U):
+ This variable is the ~name expanded version of vendorscript, so that you
+ may use it directly in Makefiles or shell scripts.
+
version (patchlevel.U):
The full version number of this package, such as 5.6.1 (or 5_6_1).
This combines revision, patchlevel, and subversion to get the
version_patchlevel_string (patchlevel.U):
This is a string combining version, subversion and
- perl_patchlevel (if perl_patchlevel is non-zero).
- It is typically something like
+ perl_patchlevel (if perl_patchlevel is non-zero).
+ It is typically something like
'version 7 subversion 1' or
'version 7 subversion 1 patchlevel 11224'
It is computed here to avoid duplication of code in myconfig.SH
- and lib/Config.pm.
+ and lib/Config.pm.
versiononly (versiononly.U):
If set, this symbol indicates that only the version-specific
vi (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
-
-voidflags (voidflags.U):
- This variable contains the eventual value of the VOIDFLAGS symbol,
- which indicates how much support of the void type is given by this
- compiler. See VOIDFLAGS for more info.
+ The value is the empty string and is not useful.
xlibpth (libpth.U):
This variable holds extra path (space-separated) used to find
libraries on this platform, for example CPU-specific libraries
(on multi-CPU platforms) may be listed here.
-xs_apiversion (xs_apiversion.U):
- This variable contains the version of the oldest perl binary
- compatible with the present perl. perl.c:incpush() and
- lib/lib.pm will automatically search in $sitearch for older
- directories across major versions back to xs_apiversion.
- This is only useful if you have a perl library directory tree
- structured like the default one.
- See INSTALL for how this works.
- The versioned site_perl directory was introduced in 5.005,
- so that is the lowest possible value.
- Since this can depend on compile time options (such as
- bincompat) it is set by Configure. Other non-default sources
- of potential incompatibility, such as multiplicity, threads,
- debugging, 64bits, sfio, etc., are not checked for currently,
- though in principle we could go snooping around in old
- Config.pm files.
-
yacc (yacc.U):
This variable holds the name of the compiler compiler we
want to use in the Makefile. It can be yacc, byacc, or bison -y.
zcat (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
zip (Loc.U):
This variable is used internally by Configure to determine the
https://perl5.git.perl.org / perl5.git / blobdiff