alignbytes (alignbytes.U):
This variable holds the number of bytes required to align a
- double. Usual values are 2, 4 and 8.
+ double-- or a long double when applicable. Usual values are
+ 2, 4 and 8. The default is eight, for safety.
ansi2knr (ansi2knr.U):
This variable is set if the user needs to run ansi2knr.
host name. The command is fully qualified by its absolute path, to make
it safe when used by a process with super-user privileges.
-apiversion (patchlevel.U):
- MakeMaker will install add-on modules in a directory with the
- PERL_APIVERSION version number. The value is set manually in
- patchlevel.h. Normally, for maintenance releases, this is
- just something like 5.005 or 5.6 or 5.7. That is, it does not
- include the subversion number and does not change across
- maintenance releases. This is so that add-on extensions can
- be shared across maintenance versions. It is unclear how this
- ought to work for developer versions. If a release breaks
- binary compatibility, this number should be increased.
+api_revision (patchlevel.U):
+ The three variables, api_revision, api_version, and
+ api_subversion, specify the version of the oldest perl binary
+ compatible with the present perl. In a full version string
+ 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
+ $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.
+ See INSTALL for how this works. The versioned site_perl
+ 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
+ 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.
+ Perhaps what we ought to do is take the hard-wired value from
+ patchlevel.h but then modify it if the current Configure
+ options warrant. patchlevel.h then would use an #ifdef guard.
+
+api_subversion (patchlevel.U):
+ The three variables, api_revision, api_version, and
+ api_subversion, specify the version of the oldest perl binary
+ compatible with the present perl. In a full version string
+ such as '5.6.1', api_subversion is the '1'. See api_revision for
+ full details.
+
+api_version (patchlevel.U):
+ The three variables, api_revision, api_version, and
+ api_subversion, specify the version of the oldest perl binary
+ compatible with the present perl. In a full version string
+ such as '5.6.1', api_version is the '6'. See api_revision for
+ full details. As a special case, 5.5.0 is rendered in the
+ old-style as 5.005. (In the 5.005_0x maintenance series,
+ this was the only versioned directory in $sitelib.)
+
+api_versionstring (patchlevel.U):
+ This variable combines api_revision, api_version, and
+ api_subversion in a format such as 5.6.1 (or 5_6_1) suitable
+ for use as a directory name. This is filesystem dependent.
ar (Loc.U):
This variable is used internally by Configure to determine the
this variable must be prepared to deal with ~name substitution.
bincompat5005 (bincompat5005.U):
- This variable contains y if Perl 5.006 should be binary-compatible
- with Perl 5.005.
+ This variable contains y if this version of Perl should be
+ binary-compatible with Perl 5.005.
binexp (bin.U):
This is the same as the bin variable, but is filename expanded at
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.
+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.
This variable is defined but not used by Configure.
The value is a plain '' and is not useful.
+CONFIGDOTSH (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.
+
contains (contains.U):
This variable holds the command to do a grep with a proper return
status. On most sane systems it is simply "grep". On insane systems
used by the C preprocessor.
cppccsymbols (Cppsym.U):
- The variable contains the symbols defined by the C compiler when
+ The variable contains the symbols defined by the C compiler
when it calls cpp. The symbols defined by the cc alone or cpp
alone are not in this list, see ccsymbols and cppsymbols.
The list is a space-separated list of symbol=value tokens.
d_bincompat5005 (bincompat5005.U):
This variable conditionally defines BINCOMPAT5005 so that embed.h
- can take special action if Perl 5.006 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.
+ 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
This variable conditionally defines HAS_CLOSEDIR if closedir() is
available.
-d_cmsghdr_s (d_socket.U):
- This variable conditionally defines the HAS_STRUCT_CMSGHDR symbol,
- which indicates that the the struct cmsghdr is supported.
-
d_const (d_const.U):
This variable conditionally defines the HASCONST symbol, which
indicates to the C program that this C compiler knows about the
to determine file-system related limits and options associated
with a given open file descriptor.
-d_fpos64_t (io64.U):
+d_fpos64_t (d_fpos64_t.U):
This symbol will be defined if the C compiler supports fpos64_t.
+d_fs_data_s (d_fs_data_s.U):
+ This variable conditionally defines the HAS_STRUCT_FS_DATA symbol,
+ which indicates that the struct fs_data is supported.
+
d_fseeko (d_fseeko.U):
This variable conditionally defines the HAS_FSEEKO symbol, which
indicates to the C program that the fseeko() routine is available.
This variable conditionally defines HAS_FSETPOS if fsetpos() is
available to set the file position indicator.
-d_fstatfs (d_statfs.U):
+d_fstatfs (d_fstatfs.U):
This variable conditionally defines the HAS_FSTATFS symbol, which
indicates to the C program that the fstatfs() routine is available.
d_Gconvert='gcvt((x),(n),(b))'
d_Gconvert='sprintf((b),"%.*g",(n),(x))'
+d_getcwd (d_getcwd.U):
+ This variable conditionally defines the HAS_GETCWD symbol, which
+ indicates to the C program that the getcwd() routine is available
+ to get the current working directory.
+
+d_getfsstat (d_getfsstat.U):
+ This variable conditionally defines the HAS_GETFSSTAT symbol, which
+ indicates to the C program that the getfsstat() routine is available.
+
d_getgrent (d_getgrent.U):
This variable conditionally defines the HAS_GETGRENT symbol, which
indicates to the C program that the getgrent() routine is available
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_index (d_strchr.U):
This variable conditionally defines HAS_INDEX if index() and
rindex() are available for string searching.
indicates to the C program that the inet_aton() function is available
to parse IP address "dotted-quad" strings.
-d_int64t (i_inttypes.U):
+d_int64_t (d_int64_t.U):
This symbol will be defined if the C compiler supports int64_t.
-d_iovec_s (i_sysuio.U):
- This variable conditionally defines the HAS_STRUCT_IOVEC symbol,
- which indicates that the struct iovec is supported.
-
d_isascii (d_isascii.U):
This variable conditionally defines the HAS_ISASCII constant,
which indicates to the C program that isascii() is available.
This variable conditionally defines HAS_LINK if link() is
available to create hard links.
-d_llseek (io64.U):
- This variable conditionally defines the HAS_LLSEEK symbol, which
- indicates to the C program that the llseek() routine is available.
-
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_LONG_LONG if
the long long type is supported.
+d_lseekproto (d_lseekproto.U):
+ This variable conditionally defines the HAS_LSEEK_PROTO symbol,
+ which indicates to the C program that the system provides
+ a prototype for the lseek() function. Otherwise, it is
+ up to the program to supply one.
+
d_lstat (d_lstat.U):
This variable conditionally defines HAS_LSTAT if lstat() is
available to do file stats on symbolic links.
indicates to the C program that the mkdir() routine is available
to create directories..
+d_mkdtemp (d_mkdtemp.U):
+ This variable conditionally defines the HAS_MKDTEMP symbol, which
+ indicates to the C program that the mkdtemp() routine is available
+ to exclusively create a uniquely named temporary directory.
+
d_mkfifo (d_mkfifo.U):
This variable conditionally defines the HAS_MKFIFO symbol, which
indicates to the C program that the mkfifo() routine is available.
+d_mkstemp (d_mkstemp.U):
+ This variable conditionally defines the HAS_MKSTEMP symbol, which
+ indicates to the C program that the mkstemp() routine is available
+ to exclusively create and open a uniquely named temporary file.
+
+d_mkstemps (d_mkstemps.U):
+ This variable conditionally defines the HAS_MKSTEMPS symbol, which
+ indicates to the C program that the mkstemps() routine is available
+ to exclusively create and open a uniquely named (with a suffix)
+ temporary file.
+
d_mktime (d_mktime.U):
This variable conditionally defines the HAS_MKTIME symbol, which
indicates to the C program that the mktime() routine is available.
This variable conditionally defines the HAS_MSGGET symbol, which
indicates to the C program that the msgget() routine is available.
-d_msghdr_s (d_socket.U):
- This variable conditionally defines the HAS_STRUCT_MSGHDR symbol,
- which indicates that the struct msghdr is supported.
-
d_msgrcv (d_msgrcv.U):
This variable conditionally defines the HAS_MSGRCV symbol, which
indicates to the C program that the msgrcv() routine is available.
This variable conditionally defines the HAS_NICE symbol, which
indicates to the C program that the nice() routine is available.
-d_off64_t (io64.U):
+d_nv_preserves_uv (perlxv.U):
+ This variable indicates whether a variable of type nvtype
+ can preserve all the bits a variable of type uvtype.
+
+d_off64_t (d_off64_t.U):
This symbol will be defined if the C compiler supports off64_t.
d_old_pthread_create_joinable (d_pthrattrj.U):
This variable conditionally defines PWQUOTA, which indicates
that struct passwd contains pw_quota.
+d_qgcvt (d_qgcvt.U):
+ This variable conditionally defines the HAS_QGCVT symbol, which
+ indicates to the C program that the qgcvt() routine is available.
+
+d_quad (quadtype.U):
+ This variable, if defined, tells that there's a 64-bit integer type,
+ quadtype.
+
d_readdir (d_readdir.U):
This variable conditionally defines HAS_READDIR if readdir() is
available to read directory entries.
indicates to the C program that the readlink() routine is available
to read the value of a symbolic link.
-d_readv (d_readv.U):
- This variable conditionally defines the HAS_READV symbol, which
- indicates to the C program that the readv() routine is available.
-
-d_recvmsg (d_socket.U):
- This variable conditionally defines the HAS_RECVMSG symbol,
- which indicates that the recvmsg is supported.
-
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
This variable conditionally defines the HAS_SEMOP symbol, which
indicates to the C program that the semop() routine is available.
-d_sendmsg (d_socket.U):
- This variable conditionally defines the HAS_SENDMSG symbol,
- which indicates that the sendmsg is supported.
-
d_setegid (d_setegid.U):
This variable conditionally defines the HAS_SETEGID symbol, which
indicates to the C program that the setegid() routine is available
This variable conditionally defines HAS_SOCKET, which indicates
that the BSD socket interface is supported.
+d_socklen_t (d_socklen_t.U):
+ This symbol will be defined if the C compiler supports socklen_t.
+
d_sockpair (d_socket.U):
This variable conditionally defines the HAS_SOCKETPAIR symbol, which
indicates that the BSD socketpair() is supported.
if this system has a stat structure declaring
st_blksize and st_blocks.
-d_statfs (d_statfs.U):
- This variable conditionally defines the HAS_STATFS symbol, which
- indicates to the C program that the statfs() routine is available.
-
-d_statfsflags (d_statfs.U):
- This variable conditionally defines the HAS_STRUCT_STATFS_FLAGS
+d_statfs_f_flags (d_statfs_f_flags.U):
+ This variable conditionally defines the HAS_STRUCT_STATFS_F_FLAGS
symbol, which indicates to struct statfs from has f_flags member.
This kind of struct statfs is coming from sys/mount.h (BSD),
not from sys/statfs.h (SYSV).
+d_statfs_s (d_statfs_s.U):
+ This variable conditionally defines the HAS_STRUCT_STATFS symbol,
+ which indicates that the struct statfs is supported.
+
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.
indicates to the C program that the strtol() routine is available
to provide better numeric string conversion than atoi() and friends.
+d_strtold (d_strtold.U):
+ This variable conditionally defines the HAS_STRTOLD symbol, which
+ indicates to the C program that the strtold() routine is available.
+
+d_strtoll (d_strtoll.U):
+ This variable conditionally defines the HAS_STRTOLL symbol, which
+ indicates to the C program that the strtoll() routine is available.
+
d_strtoul (d_strtoul.U):
This variable conditionally defines the HAS_STRTOUL symbol, which
indicates to the C program that the strtoul() routine is available
to provide conversion of strings to unsigned long.
-d_strtoull (strtoull.U):
+d_strtoull (d_strtoull.U):
This variable conditionally defines the HAS_STRTOULL symbol, which
indicates to the C program that the strtoull() routine is available.
+d_strtouq (d_strtouq.U):
+ This variable conditionally defines the HAS_STRTOUQ symbol, which
+ indicates to the C program that the strtouq() routine is available.
+
d_strxfrm (d_strxfrm.U):
This variable conditionally defines HAS_STRXFRM if strxfrm() is
available to transform strings.
This variable conditionally defines HAS_UNION_SEMUN if the
union semun is defined by including <sys/sem.h>.
+d_ustat (d_ustat.U):
+ This variable conditionally defines HAS_USTAT if ustat() is
+ available to query file system statistics by dev_t.
+
+d_vendorarch (vendorarch.U):
+ This variable conditionally defined PERL_VENDORARCH.
+
d_vendorbin (vendorbin.U):
This variable conditionally defines PERL_VENDORBIN.
indicates to the C program that the wctomb() routine is available
to convert a wide character to a multibyte.
-d_writev (d_writev.U):
- This variable conditionally defines the HAS_WRITEV symbol, which
- indicates to the C program that the writev() routine is available.
-
d_xenix (Guess.U):
This variable conditionally defines the symbol XENIX, which alerts
the C program that it runs under Xenix.
This variable is defined but not used by Configure.
The value is a plain '' 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 fpost_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):
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.
+gidformat (gidf.U):
+ This variable contains the format string used for printing a Gid_t.
+
+gidsign (gidsign.U):
+ This variable contains the signedness of a gidtype.
+ 1 for unsigned, -1 for signed.
+
+gidsize (gidsize.U):
+ This variable contains the size of a gidtype in bytes.
+
gidtype (gidtype.U):
This variable defines Gid_t to be something like gid_t, int,
ushort, or whatever type is used to declare the return type
This variable contains a command that produces the text of the
/etc/group file. This is normally "cat /etc/group", but can be
"ypcat group" when NIS is used.
+ On some systems, such as os390, there may be no equivalent
+ 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 contains a command that produces the text of the
/etc/hosts file. This is normally "cat /etc/hosts", but can be
"ypcat hosts" when NIS is used.
+ On some systems, such as os390, there may be no equivalent
+ command, in which case this variable is unset.
huge (models.U):
This variable contains a flag which will tell the C compiler and loader
huge model is not supported, contains the flag to produce large
model programs. It is up to the Makefile to use this.
+i16size (perlxv.U):
+ This variable is the size of an I16 in bytes.
+
+i16type (perlxv.U):
+ This variable contains the C type used for Perl's I16.
+
+i32size (perlxv.U):
+ This variable is the size of an I32 in bytes.
+
+i32type (perlxv.U):
+ This variable contains the C type used for Perl's I32.
+
+i64size (perlxv.U):
+ This variable is the size of an I64 in bytes.
+
+i64type (perlxv.U):
+ This variable contains the C type used for Perl's I64.
+
+i8size (perlxv.U):
+ This variable is the size of an I8 in bytes.
+
+i8type (perlxv.U):
+ This variable contains the C type used for Perl's I8.
+
i_arpainet (i_arpainet.U):
This variable conditionally defines the I_ARPA_INET symbol,
and indicates whether a C program should include <arpa/inet.h>.
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>.
+
i_inttypes (i_inttypes.U):
This variable conditionally defines the I_INTTYPES symbol,
and indicates whether a C program should include <inttypes.h>.
This variable conditionally defines the I_STRING symbol, which
indicates that <string.h> should be included rather than <strings.h>.
+i_sunmath (i_sunmath.U):
+ This variable conditionally defines the I_SUNMATH symbol, and indicates
+ whether a C program should include <sunmath.h>.
+
i_sysaccess (i_sysaccess.U):
This variable conditionally defines the I_SYS_ACCESS symbol,
and indicates whether a C program should include <sys/access.h>.
indicates to the C program that <sys/ioctl.h> exists and should
be included.
+i_syslog (i_syslog.U):
+ This variable conditionally defines the I_SYSLOG symbol,
+ and indicates whether a C program should include <syslog.h>.
+
i_sysmman (i_sysmman.U):
This variable conditionally defines the I_SYS_MMAN symbol, and
indicates whether a C program should include <sys/mman.h>.
+i_sysmode (i_sysmode.U):
+ This variable conditionally defines the I_SYSMODE symbol,
+ and indicates whether a C program should include <sys/mode.h>.
+
i_sysmount (i_sysmount.U):
This variable conditionally defines the I_SYSMOUNT symbol,
and indicates whether a C program should include <sys/mount.h>.
This variable conditionally defines the I_SYS_STAT symbol,
and indicates whether a C program should include <sys/stat.h>.
+i_sysstatfs (i_sysstatfs.U):
+ This variable conditionally defines the I_SYSSTATFS symbol,
+ and indicates whether a C program should include <sys/statfs.h>.
+
i_sysstatvfs (i_sysstatvfs.U):
This variable conditionally defines the I_SYSSTATVFS symbol,
and indicates whether a C program should include <sys/statvfs.h>.
to the C program that it should include <sys/un.h> to get UNIX
domain socket definitions.
+i_sysutsname (i_sysutsname.U):
+ This variable conditionally defines the I_SYSUTSNAME symbol,
+ and indicates whether a C program should include <sys/utsname.h>.
+
+i_sysvfs (i_sysvfs.U):
+ This variable conditionally defines the I_SYSVFS symbol,
+ and indicates whether a C program should include <sys/vfs.h>.
+
i_syswait (i_syswait.U):
This variable conditionally defines I_SYS_WAIT, which indicates
to the C program that it should include <sys/wait.h>.
This variable conditionally defines the I_UNISTD symbol, and indicates
whether a C program should include <unistd.h>.
+i_ustat (i_ustat.U):
+ This variable conditionally defines the I_USTAT symbol, and indicates
+ whether a C program should include <ustat.h>.
+
i_utime (i_utime.U):
This variable conditionally defines the I_UTIME symbol, and indicates
whether a C program should include <utime.h>.
libraries (libfoo.so.x.y) are to be ignored (because they
cannot be linked against).
+inc_version_list (inc_version_list.U):
+ This variable specifies the list of subdirectories in over
+ which perl.c:incpush() and lib/lib.pm will automatically
+ search when adding directories to @INC. The elements in
+ the list are separated by spaces. 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.
+
+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,
+ suitable for use in the PERL_INC_VERSION_LIST initialization.
+
incpath (usrinc.U):
This variable must preceed the normal include path to get hte
right one, as in "$incpath/usr/include" or "$incpath/usr/lib".
/usr/bin/perl in addition to
$installbin/perl
+installvendorarch (vendorarch.U):
+ This variable is really the same as vendorarchexp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
installvendorbin (vendorbin.U):
This variable is really the same as vendorbinexp but may differ on
those systems using AFS. For extra portability, only this variable
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.
+
+ivsize (perlxv.U):
+ This variable is the size of an IV in bytes.
+
+ivtype (perlxv.U):
+ 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 the additional libraries we want to use.
It is up to the Makefile to deal with it.
+libsdirs (libs.U):
+ This variable holds the directory names aka dirnames of the libraries
+ we found and accepted, duplicates are removed.
+
+libsfiles (libs.U):
+ This variable holds the filenames aka basenames of the libraries
+ we found and accepted.
+
+libsfound (libs.U):
+ This variable holds the full pathnames of the libraries
+ we found and accepted.
+
+libspath (libs.U):
+ This variable holds the directory names probed for libraries.
+
libswanted (Myinit.U):
This variable holds a list of all the libraries we want to
search. The order is chosen to pick up the c library
full pathname (if any) of the nroff program. After Configure runs,
the value is reset to a plain "nroff" and is not useful.
+nvsize (perlxv.U):
+ This variable is the size of an NV in bytes.
+
+nvtype (perlxv.U):
+ This variable contains the C type used for Perl's NV.
+
o_nonblock (nblock_io.U):
This variable bears the symbol value to be used during open() or fcntl()
to turn on non-blocking I/O for a file descriptor. If you wish to switch
This variable contains a command that produces the text of the
/etc/passwd file. This is normally "cat /etc/passwd", but can be
"ypcat passwd" when NIS is used.
+ On some systems, such as os390, there may be no equivalent
+ command, in which case this variable is unset.
patchlevel (patchlevel.U):
The patchlevel level of this package.
The value of patchlevel comes from the patchlevel.h file.
+ In a version number such as 5.6.1, this is the "6".
+ In patchlevel.h, this is referred to as "PERL_VERSION".
path_sep (Unix.U):
This is an old synonym for p_ in Head.U, the character
used to separate elements in the command shell search PATH.
+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_REVISION (Oldsyms.U):
+ In a Perl version number such as 5.6.2, this is the 5.
+ This value is manually set in patchlevel.h
+
+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
+ development subversions.
+ This value is manually set in patchlevel.h
+
+PERL_VERSION (Oldsyms.U):
+ In a Perl version number such as 5.6.2, this is the 6.
+ This value is manually set in patchlevel.h
+
perladmin (perladmin.U):
Electronic mail address of the perl5 administrator.
This variable contains the value of the PTRSIZE symbol, which
indicates to the C program how many bytes there are in a pointer.
+quadkind (quadtype.U):
+ This variable, if defined, encodes the type of a quad:
+ 1 = int, 2 = long, 3 = long long, 4 = int64_t.
+
+quadtype (quadtype.U):
+ 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):
Indicates how many bits are produced by the function used to
generate normalized random numbers.
used, which is a shame because you cannot make the difference between
no data and an EOF.. Sigh!
+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".
+ In patchlevel.h, this is referred to as "PERL_REVISION".
+
rm (Loc.U):
This variable is used internally by Configure to determine the
full pathname (if any) of the rm program. After Configure runs,
which is the name of the private library for this package. It may
have a ~ on the front. It is up to the makefile to eventually create
this directory while performing installation (with ~ substitution).
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ architecture-dependent modules in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
sitearchexp (sitearch.U):
This variable is the ~name expanded version of sitearch, so that you
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
+ executables in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
sitebinexp (sitebin.U):
This is the same as the sitebin variable, but is filename expanded at
which is the name of the private library for this package. It may
have a ~ on the front. It is up to the makefile to eventually create
this directory while performing installation (with ~ substitution).
+ The standard distribution will put nothing in this directory.
+ After perl has been installed, users may install their own local
+ architecture-independent modules in this directory with
+ MakeMaker Makefile.PL
+ or equivalent. See INSTALL for details.
+
+sitelib_stem (sitelib.U):
+ This variable is $sitelibexp with any trailing version-specific component
+ removed. The elements in inc_version_list (inc_version_list.U) can
+ be tacked onto this variable to generate a list of directories to search.
sitelibexp (sitelib.U):
This variable is the ~name expanded version of sitelib, so that you
siteprefix (siteprefix.U):
This variable holds the full absolute path of the directory below
which the user will install add-on packages.
+ See INSTALL for usage and examples.
siteprefixexp (siteprefix.U):
This variable holds the full absolute path of the directory below
which the user will install add-on packages. Derived from siteprefix.
+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
socketlib (d_socket.U):
This variable has the names of any libraries needed for socket support.
+socksizetype (socksizetype.U):
+ This variable holds the type used for the size argument
+ for various socket calls like accept. Usual values include
+ socklen_t, size_t, and int.
+
sort (Loc.U):
This variable is used internally by Configure to determine the
full pathname (if any) of the sort program. After Configure runs,
subversion (patchlevel.U):
The subversion level of this package.
The value of subversion comes from the patchlevel.h file.
+ In a version number such as 5.6.1, this is the "1".
+ In patchlevel.h, this is referred to as "PERL_SUBVERSION".
This is unique to perl.
sysman (sysman.U):
This variable is defined but not used by Configure.
The value is a plain '' and is not useful.
+u16size (perlxv.U):
+ This variable is the size of an U16 in bytes.
+
+u16type (perlxv.U):
+ This variable contains the C type used for Perl's U16.
+
+u32size (perlxv.U):
+ This variable is the size of an U32 in bytes.
+
+u32type (perlxv.U):
+ This variable contains the C type used for Perl's U32.
+
+u64size (perlxv.U):
+ This variable is the size of an U64 in bytes.
+
+u64type (perlxv.U):
+ This variable contains the C type used for Perl's U64.
+
+u8size (perlxv.U):
+ This variable is the size of an U8 in bytes.
+
+u8type (perlxv.U):
+ This variable contains the C type used for Perl's U8.
+
+uidformat (uidf.U):
+ This variable contains the format string used for printing a Uid_t.
+
uidsign (uidsign.U):
This variable contains the signedness of a uidtype.
1 for unsigned, -1 for signed.
+uidsize (uidsize.U):
+ 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,
ushort, or whatever type is used to declare user ids in the kernel.
full pathname (if any) of the uniq program. After Configure runs,
the value is reset to a plain "uniq" and is not useful.
-use64bits (use64bits.U):
- This variable conditionally defines the USE_64_BITS symbol,
- and indicates that explicit 64-bit interfaces should be used
- when available.
+uquadtype (quadtype.U):
+ This variable defines Uquad_t to be something like unsigned long,
+ unsigned int, unsigned long long, uint64_t, or whatever type is
+ used for 64-bit integers.
+
+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.
+
+use64bitall (use64bits.U):
+ This variable conditionally defines the USE_64_BIT_ALL symbol,
+ and indicates that 64-bit integer types should be used
+ when available. The maximal possible
+ 64-bitness is employed: LP64 or ILP64, meaning that you will
+ be able to use more than 2 gigabytes of memory. This mode is
+ even more binary incompatible than USE_64_BIT_INT. You may not
+ be able to run the resulting executable in a 32-bit CPU at all or
+ you may need at least to reboot your OS to 64-bit mode.
+
+use64bitint (use64bits.U):
+ This variable conditionally defines the USE_64_BIT_INT symbol,
+ and indicates that 64-bit integer types should be used
+ when available. The minimal possible 64-bitness
+ is employed, just enough to get 64-bit integers into Perl.
+ This may mean using for example "long longs", while your memory
+ may still be limited to 2 gigabytes.
usedl (dlsrc.U):
- This variable indicates if the the system supports dynamic
+ This variable indicates if the system supports dynamic
loading of some sort. See also dlsrc and dlobj.
+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.
+
uselargefiles (uselfs.U):
This variable conditionally defines the USE_LARGE_FILES symbol,
and indicates that large file interfaces should be used when
- available. The use64bits symbol will also be turned on if necessary.
+ available.
uselongdouble (uselongdbl.U):
This variable conditionally defines the USE_LONG_DOUBLE symbol,
This variable is defined but not used by Configure.
The value is a plain '' and is not useful.
+uvoformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl UV as an unsigned octal integer.
+
+uvsize (perlxv.U):
+ This variable is the size of a UV in bytes.
+
+uvtype (perlxv.U):
+ This variable contains the C type used for Perl's UV.
+
+uvuformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl UV as an unsigned decimal integer.
+
+uvxformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl UV as an unsigned hexadecimal integer.
+
+vendorarch (vendorarch.U):
+ This variable contains the value of the PERL_VENDORARCH 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 their own
+ architecture-dependent modules and extensions in this directory with
+ MakeMaker Makefile.PL INSTALLDIRS=vendor
+ or equivalent. See INSTALL for details.
+
+vendorarchexp (vendorarch.U):
+ This variable is the ~name expanded version of vendorarch, so that you
+ may use it directly in Makefiles or shell scripts.
+
vendorbin (vendorbin.U):
- This variable contains the eventual value of the VENDORBIN symbol,
- which is the name of the private directory for exuctables for this package.
- It may have a ~ on the front. It is up to the makefile to eventually create
- this directory while performing installation (with ~ substitution).
- Vendors who distribute perl binaries may place their own
- extensions and modules in this directory.
+ This variable contains the eventual value of the VENDORBIN 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
+ binaries in this directory with
+ 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
vendorlib (vendorlib.U):
This variable contains the eventual value of the VENDORLIB symbol,
- which is the name of the private library for this package. It may
- have a ~ on the front. It is up to the makefile to eventually create
- this directory while performing installation (with ~ substitution).
- Vendors who distribute perl binaries may place their own
- extensions and modules in this directory.
+ 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
+ or equivalent. See INSTALL for details.
+
+vendorlib_stem (vendorlib.U):
+ This variable is $vendorlibexp with any trailing version-specific component
+ removed. The elements in inc_version_list (inc_version_list.U) can
+ be tacked onto this variable to generate a list of directories to search.
vendorlibexp (vendorlib.U):
This variable is the ~name expanded version of vendorlib, so that you
vendorprefix (vendorprefix.U):
This variable holds the full absolute path of the directory below
which the vendor will install add-on packages.
+ See INSTALL for usage and examples.
vendorprefixexp (vendorprefix.U):
This variable holds the full absolute path of the directory below
which the vendor will install add-on packages. Derived from vendorprefix.
version (patchlevel.U):
- The full version number of this package. This combines
- baserev, patchlevel, and subversion to get the full
- version number, including any possible subversions. Care
- is taken to use the C locale in order to get something
- like 5.004 instead of 5,004. This is unique to perl.
+ 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
+ full version number, including any possible subversions.
+ This is suitable for use as a directory name, and hence is
+ filesystem dependent.
vi (Loc.U):
This variable is defined but not used by Configure.