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.
+programs (e.g. I_UNISTD) are already described in config_h.SH. [`configpm'
+generates pod documentation for Config.pm from this file--please try to keep
+the formatting regular.]
+
+_a (Unix.U):
+ This variable defines the extension used for ordinary libraries.
+ 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'.
+
+_o (Unix.U):
+ This variable defines the extension used for object files.
+ For unix, it is '.o'. The '.' is included. Other possible
+ values include '.obj'.
+
+afs (afs.U):
+ This variable is set to 'true' if AFS (Andrew File System) is used
+ on the system, 'false' otherwise. It is possible to override this
+ with a hint value or command line option, but you'd better know
+ what you are doing.
alignbytes (alignbytes.U):
This variable holds the number of bytes required to align a
double. Usual values are 2, 4 and 8.
-ar (Unix.U):
- This variable defines the command to use to create an archive
- library. For unix, it is 'ar'.
+ansi2knr (ansi2knr.U):
+ This variable is set if the user needs to run ansi2knr.
+ Currently, this is not supported, so we just abort.
+
+aphostname (d_gethname.U):
+ Thie variable contains the command which can be used to compute the
+ 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):
+ This is a number which identifies the lowest version of perl
+ to have an API (for XS extensions) compatible with the present
+ version. For example, for 5.005_01, the apiversion should be
+ 5.005, since 5.005_01 should be binary compatible with 5.005.
+ This should probably be incremented manually somehow, perhaps
+ from patchlevel.h. For now, we'll guess maintenance subversions
+ will retain binary compatibility.
+
+ar (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the ar program. After Configure runs,
+ the value is reset to a plain "ar" and is not useful.
archlib (archlib.U):
This variable holds the name of the directory in which the user wants
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.
+
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.
+awk (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the awk program. After Configure runs,
+ the value is reset to a plain "awk" and is not useful.
+
+baserev (baserev.U):
+ The base revision level of this package, from the .package file.
+
+bash (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
bin (bin.U):
This variable holds the name of the directory in which the user wants
to put publicly executable images 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.
+binexp (bin.U):
+ This is the same as the bin variable, but is filename expanded at
+ configuration time, for use in your makefiles.
+
+bison (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+byacc (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the byacc program. After Configure runs,
+ 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
2 = couldn't cast >= 0x80000000
4 = couldn't cast in argument expression list
+cat (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the cat program. After Configure runs,
+ the value is reset to a plain "cat" and is not useful.
+
cc (cc.U):
This variable holds the name of a command to execute a C compiler which
can resolve multiple global references that happen to have the same
- name. Usual values are "cc", "Mcc", "cc -M", and "gcc".
+ name. Usual values are 'cc', 'Mcc', 'cc -M', and 'gcc'.
cccdlflags (dlsrc.U):
This variable contains any special flags that might need to be
- passed with cc -c to compile modules to be used to create a shared
- library that will be used for dynamic loading. For hpux, this
+ passed with 'cc -c' to compile modules to be used to create a shared
+ library that will be used for dynamic loading. For hpux, this
should be +z. It is up to the makefile to use it.
ccdlflags (dlsrc.U):
This variable contains any special flags that might need to be
- passed to cc to link with a shared library for dynamic loading.
+ passed to cc to link with a shared library for dynamic loading.
It is up to the makefile to use it. For sunos 4.1, it should
be empty.
Login name of the person who ran the Configure script and answered the
questions. This is used to tag both config.sh and config_h.SH.
+cf_email (cf_email.U):
+ Electronic mail address of the person who ran Configure. This can be
+ used by units that require the user's e-mail, like MailList.U.
+
cf_time (cf_who.U):
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.
+chgrp (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+chmod (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+chown (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+clocktype (d_times.U):
+ This variable holds the type returned by times(). It can be long,
+ or clock_t on BSD sites (in which case <sys/types.h> should be
+ included).
+
+comm (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the comm program. After Configure runs,
+ the value is reset to a plain "comm" and is not useful.
+
+compress (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+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
+ it is a grep followed by a cat followed by a test. This variable
+ is primarily for the use of other Configure units.
+
+cp (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the cp program. After Configure runs,
+ the value is reset to a plain "cp" and is not useful.
+
+cpio (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+cpp (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the cpp program. After Configure runs,
+ 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
used by the C preprocessor.
This variable holds the flags that will be passed to the C pre-
processor. It is up to the Makefile to use it.
+cpplast (cppstdin.U):
+ This variable has the same functionality as cppminus, only it applies
+ to cpprun and not cppstdin.
+
cppminus (cppstdin.U):
This variable contains the second part of the string which will invoke
the C preprocessor on the standard input and produce to standard
- output. This variable will have the value "-" if cppstdin needs a minus
- to specify standard input, otherwise the value is "".
+ output. This variable will have the value "-" if cppstdin needs
+ a minus to specify standard input, otherwise the value is "".
+
+cpprun (cppstdin.U):
+ This variable contains the command which will invoke a C preprocessor
+ on standard input and put the output to stdout. It is guaranteed not
+ to be a wrapper and may be a null string if no preprocessor can be
+ made directly available. This preprocessor might be different from the
+ one used by the C compiler. Don't forget to append cpplast after the
+ preprocessor options.
cppstdin (cppstdin.U):
This variable contains the command which will invoke the C
the crypt() function is not defined in the standard C library. It is
up to the Makefile to use this.
-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.
+csh (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the csh program. After Configure runs,
+ the value is reset to a plain "csh" and is not useful.
d_access (d_access.U):
This variable conditionally defines HAS_ACCESS if the access() system
call is available to check for access permissions using real IDs.
+d_accessx (d_accessx.U):
+ This variable conditionally defines the HAS_ACCESSX symbol, which
+ indicates to the C program that the accessx() routine is available.
+
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_attribut (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE, which
+ indicates the C compiler can check for function attributes,
+ such as printf formats.
+
d_bcmp (d_bcmp.U):
This variable conditionally defines the HAS_BCMP symbol if
the bcmp() routine is available to compare strings.
This variable conditionally defines the HAS_BCOPY symbol if
the bcopy() routine is available to copy strings.
+d_bsd (Guess.U):
+ This symbol conditionally defines the symbol BSD when running on a
+ BSD system.
+
d_bsdgetpgrp (d_getpgrp.U):
This variable conditionally defines USE_BSD_GETPGRP if
getpgrp needs one arguments whereas USG one needs none.
-d_bsdpgrp (d_setpgrp.U):
- This variable conditionally defines USE_BSDPGRP if the notion of
- process group is the BSD one. This means setpgrp needs two arguments
- whereas USG one needs none.
-
d_bsdsetpgrp (d_setpgrp.U):
This variable conditionally defines USE_BSD_SETPGRP if
setpgrp needs two arguments whereas USG one needs none.
indicates to the C program that the chsize() routine is available
to truncate files. You might need a -lx to get this routine.
+d_closedir (d_closedir.U):
+ 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
header files provide DBL_DIG, which is the number of significant
digits in a double precision number.
+d_dbmclose64 (dbm64.U):
+ This variable conditionally defines the HAS_DBMCLOSE64 symbol, which
+ indicates to the C program that the dbmclose64() routine is available.
+
+d_dbminit64 (dbm64.U):
+ This variable conditionally defines the HAS_DBMINIT64 symbol, which
+ indicates to the C program that the dbminit64() routine is available.
+
+d_delete64 (dbm64.U):
+ This variable conditionally defines the HAS_DELETE64 symbol, which
+ indicates to the C program that the delete64() routine is available.
+
d_difftime (d_difftime.U):
This variable conditionally defines the HAS_DIFFTIME symbol, which
indicates to the C program that the difftime() routine is available.
+d_dirent64_s (io64.U):
+ This symbol will be defined if the C compiler supports struct dirent64.
+
d_dirnamlen (i_dirent.U):
This variable conditionally defines DIRNAMLEN, which indicates
to the C program that the length of directory entry names is
This variable conditionally defines the HAS_DLERROR symbol, which
indicates to the C program that the dlerror() routine is available.
+d_dlopen (d_dlopen.U):
+ This variable conditionally defines the HAS_DLOPEN symbol, which
+ indicates to the C program that the dlopen() routine is available.
+
d_dlsymun (d_dlsymun.U):
This variable conditionally defines DLSYM_NEEDS_UNDERSCORE, which
indicates that we need to prepend an underscore to the symbol
tells the C program that it should insert setuid emulation code
on hosts which have setuid #! scripts disabled.
+d_drand48proto (d_drand48proto.U):
+ This variable conditionally defines the HAS_DRAND48_PROTO symbol,
+ which indicates to the C program that the system provides
+ a prototype for the drand48() function. Otherwise, it is
+ up to the program to supply one.
+
d_dup2 (d_dup2.U):
This variable conditionally defines HAS_DUP2 if dup2() is
available to duplicate file descriptors.
+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.
+
+d_endgrent (d_endgrent.U):
+ This variable conditionally defines the HAS_ENDGRENT symbol, which
+ indicates to the C program that the endgrent() routine is available
+ for sequential access of the group database.
+
+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_endnent (d_endnent.U):
+ This variable conditionally defines HAS_ENDNETENT if endnetent() is
+ available to close whatever was being used for network queries.
+
+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_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_endsent (d_endsent.U):
+ This variable conditionally defines HAS_ENDSERVENT if endservent() is
+ available to close whatever was being used for service queries.
+
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_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.
+
d_fchmod (d_fchmod.U):
This variable conditionally defines the HAS_FCHMOD symbol, which
indicates to the C program that the fchmod() routine is available
This variable conditionally defines the HAS_FCNTL symbol, and indicates
whether the fcntl() function exists
+d_fd_macros (d_fd_set.U):
+ This variable contains the eventual value of the HAS_FD_MACROS symbol,
+ which indicates if your C compiler knows about the macros which
+ manipulate an fd_set.
+
+d_fd_set (d_fd_set.U):
+ 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_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.
+ If you have an fd_set typedef, but the dweebs who installed it did
+ 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_fetch64 (dbm64.U):
+ This variable conditionally defines the HAS_FETCH64 symbol, which
+ indicates to the C program that the fetch64() routine is available.
+
+d_fgetpos64 (stdio64.U):
+ This variable conditionally defines the HAS_FGETPOS64 symbol, which
+ indicates to the C program that the fgetpos64() routine is available.
+
d_fgetpos (d_fgetpos.U):
This variable conditionally defines HAS_FGETPOS if fgetpos() is
available to get the file position indicator.
+d_firstkey64 (dbm64.U):
+ This variable conditionally defines the HAS_FIRSTKEY64 symbol, which
+ indicates to the C program that the firstkey64() routine is available.
+
d_flexfnam (d_flexfnam.U):
This variable conditionally defines the FLEXFILENAMES symbol, which
indicates that the system supports filenames longer than 14 characters.
+d_flock64_s (io64.U):
+ This symbol will be defined if the C compiler supports struct flock64.
+
d_flock (d_flock.U):
This variable conditionally defines HAS_FLOCK if flock() is
available to do file locking.
+d_fopen64 (stdio64.U):
+ This variable conditionally defines the HAS_FOPEN64 symbol, which
+ indicates to the C program that the fopen64() 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.
to determine file-system related limits and options associated
with a given open file descriptor.
+d_freopen64 (stdio64.U):
+ This variable conditionally defines the HAS_FREOPEN64 symbol, which
+ indicates to the C program that the freopen64() routine is available.
+
+d_fseek64 (stdio64.U):
+ This variable conditionally defines the HAS_FSEEK64 symbol, which
+ indicates to the C program that the fseek64() routine is available.
+
+d_fseeko64 (stdio64.U):
+ This variable conditionally defines the HAS_FSEEKO64 symbol, which
+ indicates to the C program that the fseeko64() routine is available.
+
+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.
+
+d_fsetpos64 (stdio64.U):
+ This variable conditionally defines the HAS_FSETPOS64 symbol, which
+ indicates to the C program that the fsetpos64() routine is available.
+
d_fsetpos (d_fsetpos.U):
This variable conditionally defines HAS_FSETPOS if fsetpos() is
available to set the file position indicator.
+d_fstat64 (io64.U):
+ This variable conditionally defines the HAS_FSTAT64 symbol, which
+ indicates to the C program that the fstat64() routine is available.
+
+d_ftell64 (stdio64.U):
+ This variable conditionally defines the HAS_FTELL64 symbol, which
+ indicates to the C program that the ftell64() routine is available.
+
+d_ftello64 (stdio64.U):
+ This variable conditionally defines the HAS_FTELLO64 symbol, which
+ indicates to the C program that the ftello64() routine is available.
+
+d_ftello (d_ftello.U):
+ This variable conditionally defines the HAS_FTELLO symbol, which
+ indicates to the C program that the ftello() routine is available.
+
+d_ftime (d_ftime.U):
+ This variable conditionally defines the HAS_FTIME symbol, which indicates
+ that the ftime() routine exists. The ftime() routine is basically
+ a sub-second accuracy clock.
+
+d_ftruncate64 (io64.U):
+ This variable conditionally defines the HAS_FTRUNCATE64 symbol, which
+ indicates to the C program that the ftruncate64() routine is available.
+
+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))'
+
+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
+ for sequential access of the group database.
+
+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
+ to get the list of process groups.
+
+d_gethbyaddr (d_gethbyad.U):
+ This variable conditionally defines the HAS_GETHOSTBYADDR symbol, which
+ indicates to the C program that the gethostbyaddr() routine is available
+ to look up hosts by their IP addresses.
+
+d_gethbyname (d_gethbynm.U):
+ This variable conditionally defines the HAS_GETHOSTBYNAME symbol, which
+ indicates to the C program that the gethostbyname() routine is available
+ to look up host names in some data base or other.
+
d_gethent (d_gethent.U):
This variable conditionally defines HAS_GETHOSTENT if gethostent() is
- available to dup file descriptors.
+ available to look up host names in some data base or another.
+
+d_gethname (d_gethname.U):
+ This variable conditionally defines the HAS_GETHOSTNAME symbol, which
+ indicates to the C program that the gethostname() routine may be
+ used to derive the host name.
+
+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.
+ See also netdbtype.U for probing for various netdb types.
d_getlogin (d_getlogin.U):
This variable conditionally defines the HAS_GETLOGIN symbol, which
indicates to the C program that the getlogin() routine is available
to get the login name.
+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
+ to look up networks by their IP addresses.
+
+d_getnbyname (d_getnbynm.U):
+ This variable conditionally defines the HAS_GETNETBYNAME symbol, which
+ indicates to the C program that the getnetbyname() routine is available
+ to look up networks by their names.
+
+d_getnent (d_getnent.U):
+ This variable conditionally defines HAS_GETNETENT if getnetent() is
+ available to look up network names in some data base or another.
+
+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.
+ See also netdbtype.U for probing for various netdb types.
+
+d_getpbyname (d_getprotby.U):
+ 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
+ getprotobynumber() routine is available to look up protocols
+ by their number.
+
+d_getpent (d_getpent.U):
+ This variable conditionally defines HAS_GETPROTOENT if getprotoent() is
+ available to look up protocols in some data base or another.
+
d_getpgid (d_getpgid.U):
This variable conditionally defines the HAS_GETPGID symbol, which
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_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.
+ See also netdbtype.U for probing for various netdb types.
+
+d_getpwent (d_getpwent.U):
+ This variable conditionally defines the HAS_GETPWENT symbol, which
+ indicates to the C program that the getpwent() routine is available
+ for sequential access of the passwd database.
+
+d_getsbyname (d_getsrvby.U):
+ 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
+ getservbyport() routine is available to look up services
+ by their port.
+
+d_getsent (d_getsent.U):
+ This variable conditionally defines HAS_GETSERVENT if getservent() is
+ available to look up network services in some data base or another.
+
+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.
+ See also netdbtype.U for probing for various netdb types.
+
+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_gnulibc (d_gnulibc.U):
+ Defined if we're dealing with the GNU C Library.
+
+d_grpasswd (i_grp.U):
+ This variable conditionally defines GRPASSWD, which indicates
+ that struct group in <grp.h> contains gr_passwd.
+
d_htonl (d_htonl.U):
This variable conditionally defines HAS_HTONL if htonl() and its
friends are available to do network order byte swapping.
This variable conditionally defines HAS_INDEX if index() and
rindex() are available for string searching.
+d_inetaton (d_inetaton.U):
+ This variable conditionally defines the HAS_INET_ATON symbol, which
+ indicates to the C program that the inet_aton() function is available
+ to parse IP address "dotted-quad" strings.
+
+d_ino64t (io64.U):
+ This symbol will be defined if the C compiler supports ino64_t.
+
+d_int64t (i_inttypes.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.
indicates to the C program that the killpg() routine is available
to kill process groups.
+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
+ to operate on a symbolic link (instead of following the link).
+
d_link (d_link.U):
This variable conditionally defines HAS_LINK if link() is
available to create hard links.
This variable conditionally defines HAS_LOCALECONV if localeconv() is
available for numeric and monetary formatting conventions.
+d_lockf64 (io64.U):
+ This variable conditionally defines the HAS_LOCKF64 symbol, which
+ indicates to the C program that the lockf64() routine is available.
+
d_lockf (d_lockf.U):
This variable conditionally defines HAS_LOCKF if lockf() is
available to do file locking.
+d_longdbl (d_longdbl.U):
+ 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
+ the long long type is supported.
+
+d_lseek64 (io64.U):
+ This variable conditionally defines the HAS_LSEEK64 symbol, which
+ indicates to the C program that the lseek64() routine is available.
+
+d_lstat64 (io64.U):
+ This variable conditionally defines the HAS_LSTAT64 symbol, which
+ indicates to the C program that the lstat64() routine is available.
+
d_lstat (d_lstat.U):
This variable conditionally defines HAS_LSTAT if lstat() is
available to do file stats on symbolic links.
This variable conditionally defines the HAS_MSG symbol, which
indicates that the entire msg*(2) library is present.
+d_msg_ctrunc (d_socket.U):
+ This variable conditionally defines the HAS_MSG_CTRUNC symbol,
+ which indicates that the MSG_CTRUNC is available. #ifdef is
+ not enough because it may be an enum, glibc has been known to do this.
+
+d_msg_dontroute (d_socket.U):
+ This variable conditionally defines the HAS_MSG_DONTROUTE symbol,
+ which indicates that the MSG_DONTROUTE is available. #ifdef is
+ not enough because it may be an enum, glibc has been known to do this.
+
+d_msg_oob (d_socket.U):
+ This variable conditionally defines the HAS_MSG_OOB symbol,
+ which indicates that the MSG_OOB is available. #ifdef is
+ not enough because it may be an enum, glibc has been known to do this.
+
+d_msg_peek (d_socket.U):
+ This variable conditionally defines the HAS_MSG_PEEK symbol,
+ which indicates that the MSG_PEEK is available. #ifdef is
+ not enough because it may be an enum, glibc has been known to do this.
+
+d_msg_proxy (d_socket.U):
+ This variable conditionally defines the HAS_MSG_PROXY symbol,
+ which indicates that the MSG_PROXY is available. #ifdef is
+ not enough because it may be an enum, glibc has been known to do this.
+
+d_msgctl (d_msgctl.U):
+ This variable conditionally defines the HAS_MSGCTL symbol, which
+ indicates to the C program that the msgctl() routine is available.
+
+d_msgget (d_msgget.U):
+ 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.
+
+d_msgsnd (d_msgsnd.U):
+ This variable conditionally defines the HAS_MSGSND symbol, which
+ indicates to the C program that the msgsnd() routine is available.
+
d_mymalloc (mallocsrc.U):
This variable conditionally defines MYMALLOC in case other parts
of the source want to take special action if MYMALLOC is used.
This may include different sorts of profiling or error detection.
+d_nextkey64 (dbm64.U):
+ This variable conditionally defines the HAS_NEXTKEY64 symbol, which
+ indicates to the C program that the nextkey64() routine is available.
+
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.
-d_oldarchlib (oldarchlib.U):
- This variable conditionally defines OLDARCHLIB to hold the pathname
- of architecture-dependent library files for a previous
- version of $package.
+d_off64t (io64.U):
+ This symbol will be defined if the C compiler supports off64_t.
+
+d_oldpthreads (usethreads.U):
+ This variable conditionally defines the OLD_PTHREADS_API symbol,
+ and indicates that Perl should be built to use the old
+ draft POSIX threads API. This is only potneially meaningful if
+ usethreads is set.
+
+d_oldsock (d_socket.U):
+ This variable conditionally defines the OLDSOCKET symbol, which
+ indicates that the BSD socket interface is based on 4.1c and not 4.2.
d_open3 (d_open3.U):
This variable conditionally defines the HAS_OPEN3 manifest constant,
which indicates to the C program that the 3 argument version of
the open(2) function is available.
+d_open64 (io64.U):
+ This variable conditionally defines the HAS_OPEN64 symbol, which
+ indicates to the C program that the open64() routine is available.
+
+d_opendir64 (io64.U):
+ This variable conditionally defines the HAS_OPENDIR64 symbol, which
+ indicates to the C program that the opendir64() routine 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 the pause() routine is available
to suspend a process until a signal is received.
+d_phostname (d_gethname.U):
+ This variable conditionally defines the PHOSTNAME symbol, which
+ contains the shell command which, when fed to popen(), may be
+ used to derive the host name.
+
d_pipe (d_pipe.U):
This variable conditionally defines the HAS_PIPE symbol, which
indicates to the C program that the pipe() routine is available
indicates to the C program that the poll() routine is available
to poll active file descriptors.
+d_portable (d_portable.U):
+ This variable conditionally defines the PORTABLE symbol, which
+ indicates to the C program that it should not assume that it is
+ running on the machine it was compiled on.
+
+d_pthread_create_joinable (d_pthrattrj.U):
+ This variable conditionally defines pthread_create_joinable.
+ undef if pthread.h defines PTHREAD_CREATE_JOINABLE.
+
+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_pwage (i_pwd.U):
- This varaible conditionally defines PWAGE, which indicates
+ This variable conditionally defines PWAGE, which indicates
that struct passwd contains pw_age.
d_pwchange (i_pwd.U):
- This varaible conditionally defines PWCHANGE, which indicates
+ This variable conditionally defines PWCHANGE, which indicates
that struct passwd contains pw_change.
d_pwclass (i_pwd.U):
- This varaible conditionally defines PWCLASS, which indicates
+ This variable conditionally defines PWCLASS, which indicates
that struct passwd contains pw_class.
d_pwcomment (i_pwd.U):
- This varaible conditionally defines PWCOMMENT, which indicates
+ This variable conditionally defines PWCOMMENT, which indicates
that struct passwd contains pw_comment.
d_pwexpire (i_pwd.U):
- This varaible conditionally defines PWEXPIRE, which indicates
+ This variable conditionally defines PWEXPIRE, which indicates
that struct passwd contains pw_expire.
+d_pwgecos (i_pwd.U):
+ This variable conditionally defines PWGECOS, which indicates
+ that struct passwd contains pw_gecos.
+
+d_pwpasswd (i_pwd.U):
+ This variable conditionally defines PWPASSWD, which indicates
+ that struct passwd contains pw_passwd.
+
d_pwquota (i_pwd.U):
- This varaible conditionally defines PWQUOTA, which indicates
+ This variable conditionally defines PWQUOTA, which indicates
that struct passwd contains pw_quota.
+d_readdir64 (io64.U):
+ This variable conditionally defines the HAS_READDIR64 symbol, which
+ indicates to the C program that the readdir64() routine is available.
+
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_SAFE_MEMCPY symbol if
the memcpy() routine can do overlapping copies.
+d_sanemcmp (d_sanemcmp.U):
+ This variable conditionally defines the HAS_SANE_MEMCMP symbol if
+ the memcpy() routine is available and can be used to compare relative
+ magnitudes of chars with their high bits set.
+
+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
+ the execution of the current thread.
+
+d_scm_rights (d_socket.U):
+ This variable conditionally defines the HAS_SCM_RIGHTS symbol,
+ which indicates that the SCM_RIGHTS is available. #ifdef is
+ not enough because it may be an enum, glibc has been known to do this.
+
+d_seekdir64 (io64.U):
+ This variable conditionally defines the HAS_SEEKDIR64 symbol, which
+ indicates to the C program that the seekdir64() routine is available.
+
d_seekdir (d_readdir.U):
This variable conditionally defines HAS_SEEKDIR if seekdir() is
available.
This variable conditionally defines the HAS_SEM symbol, which
indicates that the entire sem*(2) library is present.
+d_semctl (d_semctl.U):
+ This variable conditionally defines the HAS_SEMCTL symbol, which
+ indicates to the C program that the semctl() routine is available.
+
+d_semctl_semid_ds (d_union_senum.U):
+ This variable conditionally defines USE_SEMCTL_SEMID_DS, which
+ indicates that struct semid_ds * is to be used for semctl IPC_STAT.
+
+d_semctl_semun (d_union_senum.U):
+ This variable conditionally defines USE_SEMCTL_SEMUN, which
+ indicates that union semun is to be used for semctl IPC_STAT.
+
+d_semget (d_semget.U):
+ This variable conditionally defines the HAS_SEMGET symbol, which
+ indicates to the C program that the semget() routine is available.
+
+d_semop (d_semop.U):
+ 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
indicates to the C program that the seteuid() routine is available
to change the effective uid of the current program.
+d_setgrent (d_setgrent.U):
+ This variable conditionally defines the HAS_SETGRENT symbol, which
+ indicates to the C program that the setgrent() routine is available
+ for initializing sequential access to the group database.
+
+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
+ to set the list of process groups.
+
+d_sethent (d_sethent.U):
+ This variable conditionally defines HAS_SETHOSTENT if sethostent() is
+ available.
+
d_setlinebuf (d_setlnbuf.U):
This variable conditionally defines the HAS_SETLINEBUF symbol, which
indicates to the C program that the setlinebuf() routine is available
This variable conditionally defines HAS_SETLOCALE if setlocale() is
available to handle locale-specific ctype implementations.
-d_setpgid (d_setpgid.U):
- This variable conditionally defines the HAS_SETPGID symbol, which
- indicates to the C program that the setpgid(pid, gpid) function
- is available to set the process group id.
+d_setnent (d_setnent.U):
+ This variable conditionally defines HAS_SETNETENT if setnetent() is
+ available.
-d_setpgrp (d_setpgrp.U):
- This variable conditionally defines HAS_SETPGRP if setpgrp() is
- available to set the current process group.
+d_setpent (d_setpent.U):
+ This variable conditionally defines HAS_SETPROTOENT if setprotoent() is
+ available.
+
+d_setpgid (d_setpgid.U):
+ This variable conditionally defines the HAS_SETPGID symbol if the
+ setpgid(pid, gpid) function is available to set process group ID.
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.
+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_setregid (d_setregid.U):
This variable conditionally defines HAS_SETREGID if setregid() is
available to change the real and effective gid of the current
indicates to the C program that the setruid() routine is available
to change the real uid of the current program.
+d_setsent (d_setsent.U):
+ This variable conditionally defines HAS_SETSERVENT if setservent() is
+ available.
+
d_setsid (d_setsid.U):
This variable conditionally defines HAS_SETSID if setsid() is
available to set the process group ID.
+d_setvbuf (d_setvbuf.U):
+ This variable conditionally defines the HAS_SETVBUF symbol, which
+ 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).
This variable conditionally defines the HAS_SHM symbol, which
indicates that the entire shm*(2) library is present.
+d_shmat (d_shmat.U):
+ This variable conditionally defines the HAS_SHMAT symbol, which
+ indicates to the C program that the shmat() routine is available.
+
d_shmatprototype (d_shmat.U):
This variable conditionally defines the HAS_SHMAT_PROTOTYPE
symbol, which indicates that sys/shm.h has a prototype for
shmat.
+d_shmctl (d_shmctl.U):
+ This variable conditionally defines the HAS_SHMCTL symbol, which
+ indicates to the C program that the shmctl() routine is available.
+
+d_shmdt (d_shmdt.U):
+ This variable conditionally defines the HAS_SHMDT symbol, which
+ indicates to the C program that the shmdt() routine is available.
+
+d_shmget (d_shmget.U):
+ This variable conditionally defines the HAS_SHMGET symbol, which
+ indicates to the C program that the shmget() routine is available.
+
d_sigaction (d_sigaction.U):
This variable conditionally defines the HAS_SIGACTION symbol, which
indicates that the Vr4 sigaction() routine is available.
This variable conditionally defines the HAS_SOCKETPAIR symbol, which
indicates that the BSD socketpair() is supported.
+d_stat64 (io64.U):
+ This variable conditionally defines the HAS_STAT64 symbol, which
+ indicates to the C program that the stat64() routine is available.
+
d_statblks (d_statblks.U):
- This variable conditionally defines USE_STAT_BLOCKS if this system
- has a stat structure declaring st_blksize and st_blocks.
+ This variable conditionally defines USE_STAT_BLOCKS
+ if this system has a stat structure declaring
+ st_blksize and st_blocks.
d_stdio_cnt_lval (d_stdstdio.U):
This variable conditionally defines STDIO_CNT_LVALUE if the
has a FILE structure declaring usable _ptr and _cnt fields (or
equivalent) in stdio.h.
+d_store64 (dbm64.U):
+ This variable conditionally defines the HAS_STORE64 symbol, which
+ indicates to the C program that the store64() routine is available.
+
d_strchr (d_strchr.U):
This variable conditionally defines HAS_STRCHR if strchr() and
strrchr() are available for string searching.
This variable conditionally defines HAS_STRERROR if strerror() is
available to translate error numbers to strings.
+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
+ to provide better numeric string conversion than atof().
+
+d_strtol (d_strtol.U):
+ This variable conditionally defines the HAS_STRTOL symbol, which
+ indicates to the C program that the strtol() routine is available
+ to provide better numeric string conversion than atoi() and friends.
+
+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_strxfrm (d_strxfrm.U):
This variable conditionally defines HAS_STRXFRM if strxfrm() is
available to transform strings.
indicates to the C program that the sysconf() routine is available
to determine system related limits and options.
+d_sysernlst (d_strerror.U):
+ This variable conditionally defines HAS_SYS_ERRNOLIST if sys_errnolist[]
+ is available to translate error numbers to the symbolic name.
+
d_syserrlst (d_strerror.U):
This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is
available to translate error numbers to strings.
indicates to the C program that the tcsetpgrp() routine is available
to set foreground process group ID.
+d_telldir64 (io64.U):
+ This variable conditionally defines the HAS_TELLDIR64 symbol, which
+ indicates to the C program that the telldir64() routine is available.
+
d_telldir (d_readdir.U):
This variable conditionally defines HAS_TELLDIR if telldir() is
available.
+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
+ provided on UNIX systems.
+
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
provided on UNIX systems. You may have to include <sys/times.h>.
+d_tmpfile64 (stdio64.U):
+ This variable conditionally defines the HAS_TMPFILE64 symbol, which
+ indicates to the C program that the tmpfile64() routine is available.
+
+d_truncate64 (io64.U):
+ This variable conditionally defines the HAS_TRUNCATE64 symbol, which
+ indicates to the C program that the truncate64() routine is available.
+
d_truncate (d_truncate.U):
This variable conditionally defines HAS_TRUNCATE if truncate() is
available to truncate files.
indicates to the C program that the uname() routine may be
used to derive the host name.
+d_union_semun (d_union_senum.U):
+ This variable conditionally defines HAS_UNION_SEMUN if the
+ union semun is defined by including <sys/sem.h>.
+
d_vfork (d_vfork.U):
This variable conditionally defines the HAS_VFORK symbol, which
indicates the vfork() routine is available.
This variable conditionally defines VOID_CLOSEDIR if closedir()
does not return a value.
+d_voidsig (d_voidsig.U):
+ This variable conditionally defines VOIDSIG if this system
+ declares "void (*signal(...))()" in signal.h. The old way was to
+ declare it as "int (*signal(...))()".
+
+d_voidtty (i_sysioctl.U):
+ 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().
+
d_volatile (d_volatile.U):
This variable conditionally defines the HASVOLATILE symbol, which
indicates to the C program that this C compiler knows about the
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.
+
+date (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the date program. After Configure runs,
+ the value is reset to a plain "date" and is not useful.
+
db_hashtype (i_db.U):
This variable contains the type of the hash structure element
in the <db.h> header file. In older versions of DB, it was
This variable contains the name of the dynamic loading file that
will be used with the package.
+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.
+
+drand01 (randfunc.U):
+ Indicates the macro to be used to generate normalized
+ random numbers. Uses randfunc, often divided by
+ (double) (((unsigned long) 1 << randbits)) in order to
+ normalize the result.
+ In C programs, the macro 'Drand01' is mapped to drand01.
+
dynamic_ext (Extensions.U):
- This variable holds a list of extension files we want to
+ This variable holds a list of XS extension files we want to
link dynamically into the package. It is used by Makefile.
eagain (nblock_io.U):
data is present on the file and non-blocking I/O was enabled (otherwise,
read() blocks naturally).
+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
+
+echo (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the echo program. After Configure runs,
+ the value is reset to a plain "echo" and is not useful.
+
+egrep (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the egrep program. After Configure runs,
+ the value is reset to a plain "egrep" and is not useful.
+
+emacs (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
eunicefix (Init.U):
When running under Eunice this variable contains a command which will
convert a shell script to the proper form of text file for it to be
executable by the shell. On other systems it is a no-op.
exe_ext (Unix.U):
- This variable defines the extension used for executable files.
- For unix it is empty. Other possible values include '.exe'.
+ This is an old synonym for _exe.
+
+expr (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the expr program. After Configure runs,
+ the value is reset to a plain "expr" and is not useful.
+
+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
+ is available.
+
+find (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
firstmakefile (Unix.U):
This variable defines the first file searched by make. On unix,
it might be something else. This is only used to deal with
convoluted make depend tricks.
+flex (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
fpostype (fpostype.U):
This variable defines Fpos_t to be something like fpost_t, long,
uint, or whatever type is used to declare file positions in libc.
can share this executable will have the same full pathname to
'sed.'
+gccversion (cc.U):
+ 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.
+
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
of getgid(). Typically, it is the type of group ids in the kernel.
+grep (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the grep program. After Configure runs,
+ the value is reset to a plain "grep" and is not useful.
+
+groupcat (nis.U):
+ 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.
+
groupstype (groupstype.U):
This variable defines Groups_t to be something like gid_t, int,
ushort, or whatever type is used for the second argument to
- getgroups(). Usually, this is the same of gidtype, but
- sometimes it isn't.
+ getgroups() and setgroups(). Usually, this is the same as
+ gidtype (gid_t), but sometimes it isn't.
+
+gzip (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the gzip program. After Configure runs,
+ the value is reset to a plain "gzip" and is not useful.
+
+h_fcntl (h_fcntl.U):
+ This is variable gets set in various places to tell i_fcntl that
+ <fcntl.h> should be included.
+
+h_sysfile (h_sysfile.U):
+ This is variable gets set in various places to tell i_sys_file that
+ <sys/file.h> should be included.
+
+hint (Oldconfig.U):
+ Gives the type of hints used for previous answers. May be one of
+ "default", "recommended" or "previous".
+
+hostcat (nis.U):
+ 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.
+
+huge (models.U):
+ This variable contains a flag which will tell the C compiler and loader
+ to produce a program running with a huge memory model. If the
+ huge model is not supported, contains the flag to produce large
+ model programs. It is up to the Makefile to use this.
+
+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>.
+
+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_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>.
+
+i_dbm (i_dbm.U):
+ This variable conditionally defines the I_DBM symbol, which
+ indicates to the C program that <dbm.h> exists and should
+ be included.
i_dirent (i_dirent.U):
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
whether a C program may include <float.h> to get symbols like DBL_MAX
or DBL_MIN, i.e. machine dependent floating point values.
+i_gdbm (i_gdbm.U):
+ This variable conditionally defines the I_GDBM symbol, which
+ indicates to the C program that <gdbm.h> exists and should
+ be included.
+
i_grp (i_grp.U):
This variable conditionally defines the I_GRP symbol, and indicates
whether a C program should include <grp.h>.
+i_inttypes (i_inttypes.U):
+ This variable conditionally defines the I_INTTYPES symbol,
+ and indicates whether a C program should include <inttypes.h>.
+
i_limits (i_limits.U):
This variable conditionally defines the I_LIMITS symbol, and indicates
whether a C program may include <limits.h> to get symbols like WORD_BIT
This variable conditionally defines the I_LOCALE symbol,
and indicates whether a C program should include <locale.h>.
+i_machcthr (i_machcthr.U):
+ This variable conditionally defines the I_MACH_CTHREADS symbol,
+ and indicates whether a C program should include <mach/cthreads.h>.
+
+i_malloc (i_malloc.U):
+ This variable conditionally defines the I_MALLOC symbol, and indicates
+ whether a C program should include <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 the I_MEMORY symbol, and indicates
whether a C program should include <memory.h>.
+i_ndbm (i_ndbm.U):
+ This variable conditionally defines the I_NDBM symbol, which
+ indicates to the C program that <ndbm.h> exists and should
+ be included.
+
+i_netdb (i_netdb.U):
+ This variable conditionally defines the I_NETDB symbol, and indicates
+ whether a C program should include <netdb.h>.
+
i_neterrno (i_neterrno.U):
This variable conditionally defines the I_NET_ERRNO symbol, which
indicates to the C program that <net/errno.h> exists and should
This variable conditionally defines the I_STRING symbol, which
indicates that <string.h> should be included rather than <strings.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>.
+
i_sysdir (i_sysdir.U):
This variable conditionally defines the I_SYS_DIR symbol, and indicates
whether a C program should include <sys/dir.h>.
This variable conditionally defines the I_SYS_FILE symbol, and indicates
whether a C program should include <sys/file.h> to get R_OK and friends.
+i_sysfilio (i_sysioctl.U):
+ This variable conditionally defines the I_SYS_FILIO symbol, which
+ indicates to the C program that <sys/filio.h> exists and should
+ be included in preference to <sys/ioctl.h>.
+
+i_sysin (i_niin.U):
+ This variable conditionally defines I_SYS_IN, which indicates
+ to the C program that it should include <sys/in.h> instead of
+ <netinet/in.h>.
+
i_sysioctl (i_sysioctl.U):
This variable conditionally defines the I_SYS_IOCTL symbol, which
indicates to the C program that <sys/ioctl.h> exists and should
This variable conditionally defines the I_SYS_RESOURCE symbol,
and indicates whether a C program should include <sys/resource.h>.
+i_syssecrt (i_syssecrt.U):
+ This variable conditionally defines the I_SYS_SECURITY symbol,
+ and indicates whether a C program should include <sys/security.h>.
+
i_sysselct (i_sysselct.U):
This variable conditionally defines I_SYS_SELECT, which indicates
to the C program that it should include <sys/select.h> in order to
get the definition of struct timeval.
+i_syssockio (i_sysioctl.U):
+ This variable conditionally defines I_SYS_SOCKIO to indicate to the
+ C program that socket ioctl codes may be found in <sys/sockio.h>
+ instead of <sys/ioctl.h>.
+
i_sysstat (i_sysstat.U):
This variable conditionally defines the I_SYS_STAT symbol,
and indicates whether a C program should include <sys/stat.h>.
This variable conditionally defines the I_SYS_TYPES symbol,
and indicates whether a C program should include <sys/types.h>.
+i_sysuio (i_sysuio.U):
+ This variable conditionally defines the I_SYSUIO symbol, and indicates
+ whether a C program should include <sys/uio.h>.
+
i_sysun (i_sysun.U):
This variable conditionally defines I_SYS_UN, which indicates
to the C program that it should include <sys/un.h> to get UNIX
This variable conditionally defines the I_VFORK symbol, and indicates
whether a C program should include vfork.h.
+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
+ cannot be linked against).
+
+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".
+ 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.
+
+installarchlib (archlib.U):
+ This variable is really the same as archlibexp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in makefiles.
+
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
be used in your makefiles for maximum portability.
+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
+ man1direxp only points to the read-only access location. For extra
+ portability, you should only use this variable within your makefiles.
+
+installman3dir (man3dir.U):
+ This variable is really the same as man3direxp, 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.
+
installprivlib (privlib.U):
This variable is really the same as privlibexp but may differ on
those systems using AFS. For extra portability, only this variable
should be used in makefiles.
+installscript (scriptdir.U):
+ This variable is usually the same as scriptdirexp, 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.
+
+installsitearch (sitearch.U):
+ This variable is really the same as sitearchexp but may differ on
+ those systems using AFS. For extra portability, only this variable
+ should be used in 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.
+
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 integer.
+ This variable contains the value of the INTSIZE symbol, which
+ indicates to the C program how many bytes there are in an int.
+
+known_extensions (Extensions.U):
+ This variable holds a list of all XS extensions included in
+ the package.
+
+ksh (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
large (models.U):
This variable contains a flag which will tell the C compiler and loader
This variable contains any special flags that might need to be
passed to $ld to create a shared library suitable for dynamic
loading. It is up to the makefile to use it. For hpux, it
- should be -b. For sunos 4.1, it is empty.
+ should be '-b'. For sunos 4.1, it is empty.
ldflags (ccflags.U):
This variable contains any additional C loader flags desired by
the user. It is up to the Makefile to use this.
+less (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the less program. After Configure runs,
+ the value is reset to a plain "less" and is not useful.
+
lib_ext (Unix.U):
- This variable defines the extension used for ordinary libraries.
- For unix, it is '.a'. The '.' is included. Other possible
- values include '.lib'.
+ This is an old synonym for _a.
+
+libc (libc.U):
+ This variable contains the location of the C library.
libperl (libperl.U):
The perl executable is obtained by linking perlmain.c with
the user wishes to build a perl executable with a shared
library.
+libpth (libpth.U):
+ This variable holds the general path used to find libraries. It is
+ intended to be used by other units.
+
libs (libs.U):
This variable holds the additional libraries we want to use.
It is up to the Makefile to deal with it.
+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
+ ahead of ucb or bsd libraries for SVR4.
+
+line (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' 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.
+
+lkflags (ccflags.U):
+ This variable contains any additional C partial linker flags desired by
+ the user. It is up to the Makefile to use this.
+
+ln (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the ln program. After Configure runs,
+ 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
symbolic links (if they are supported). It can be used
in the Makefile. It is either 'ln -s' or 'ln'
+locincpth (ccflags.U):
+ This variable contains a list of additional directories to be
+ searched by the compiler. The appropriate '-I' directives will
+ be added to ccflags. This is intended to simplify setting
+ local directories from the Configure command line.
+ It's not much, but it parallels the loclibpth stuff in libpth.U.
+
+loclibpth (libpth.U):
+ This variable holds the paths used to find local libraries. It is
+ prepended to libpth, and is intended to be easily set from the
+ command line.
+
+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.
+
+longlongsize (d_longlong.U):
+ This variable contains the value of the LONGLONGSIZE symbol, which
+ indicates to the C program how many bytes there are in a long long,
+ if this system supports long long.
+
+longsize (intsize.U):
+ This variable contains the value of the LONGSIZE symbol, which
+ indicates to the C program how many bytes there are in a long.
+
+lp (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' 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.
+
+ls (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the ls program. After Configure runs,
+ 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,
+ 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,
or whatever type is used to declare lseek offset's type in the
kernel (which also appears to be lseek's return type).
-make (make.U):
- This variable sets the path to the 'make' command. It is
- here rather than in Loc.U so that users can override it
- with Configure -Dmake=pmake, or equivalent.
+mail (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' 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.
+
+make (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the make program. After Configure runs,
+ the value is reset to a plain "make" and is not useful.
make_set_make (make.U):
Some versions of 'make' set the variable MAKE. Others do not.
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 # if it doesn't.
+ 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
- 'set' value (from a previous config.sh or Configure -D option)
+ 'set' value (from a previous config.sh or Configure '-D' option)
from an uncomputed value.
mallocobj (mallocsrc.U):
Makefile.SH to get the value of this into the proper command.
You must be prepared to do the ~name expansion yourself.
+man1direxp (man1dir.U):
+ This variable is the same as the man1dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
man1ext (man1dir.U):
This variable contains the extension that the manual page should
have: one of 'n', 'l', or '1'. The Makefile must supply the '.'.
Makefile.SH to get the value of this into the proper command.
You must be prepared to do the ~name expansion yourself.
+man3direxp (man3dir.U):
+ This variable is the same as the man3dir variable, but is filename
+ expanded at configuration time, for convenient use in makefiles.
+
man3ext (man3dir.U):
This variable contains the extension that the manual page should
have: one of 'n', 'l', or '3'. The Makefile must supply the '.'.
See man3dir.
+Mcc (Loc.U):
+ This variable is be 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.
+
+medium (models.U):
+ This variable contains a flag which will tell the C compiler and loader
+ to produce a program running with a medium memory model. If the
+ medium model is not supported, contains the flag to produce large
+ model programs. It is up to the Makefile to use this.
+
+mips_type (usrinc.U):
+ This variable holds the environment type for the mips system.
+ Possible values are "BSD 4.3" and "System V".
+
+mkdir (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the mkdir program. After Configure runs,
+ the value is reset to a plain "mkdir" and is not useful.
+
+models (models.U):
+ This variable contains the list of memory models supported by this
+ system. Possible component values are none, split, unsplit, small,
+ medium, large, and huge. The component values are space separated.
+
modetype (modetype.U):
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):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the more program. After Configure runs,
+ the value is reset to a plain "more" and is not useful.
+
+mv (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+myarchname (archname.U):
+ This variable holds the architecture name computed by Configure in
+ a previous run. It is not intended to be perused by any user and
+ should never be set in a hint file.
+
+mydomain (myhostname.U):
+ This variable contains the eventual value of the MYDOMAIN symbol,
+ which is the domain of the host the program is going to run on.
+ The domain must be appended to myhostname to form a complete host name.
+ The dot comes with mydomain, and need not be supplied by the program.
+
+myhostname (myhostname.U):
+ This variable contains the eventual value of the MYHOSTNAME symbol,
+ which is the name of the host the program is going to run on.
+ The domain is not kept with hostname, but must be gotten from mydomain.
+ 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.
+
n (n.U):
- This variable contains the -n flag if that is what causes the echo
+ This variable contains the '-n' flag if that is what causes the echo
command to suppress newline. Otherwise it is null. Correct usage is
$echo $n "prompt for a question: $c".
+netdb_hlen_type (netdbtype.U):
+ This variable holds the type used for the 2nd argument to
+ gethostbyaddr(). Usually, this is int or size_t or unsigned.
+ This is only useful if you have gethostbyaddr(), naturally.
+
+netdb_host_type (netdbtype.U):
+ This variable holds the type used for the 1st argument to
+ gethostbyaddr(). Usually, this is char * or void *, possibly
+ with or without a const prefix.
+ This is only useful if you have gethostbyaddr(), naturally.
+
+netdb_name_type (netdbtype.U):
+ This variable holds the type used for the argument to
+ gethostbyname(). Usually, this is char * or const char *.
+ This is only useful if you have gethostbyname(), naturally.
+
+netdb_net_type (netdbtype.U):
+ This variable holds the type used for the 1st argument to
+ getnetbyaddr(). Usually, this is int or long.
+ This is only useful if you have getnetbyaddr(), naturally.
+
+nm (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the nm program. After Configure runs,
+ the value is reset to a plain "nm" and is not useful.
+
+nm_opt (usenm.U):
+ This variable holds the options that may be necessary for nm.
+
+nm_so_opt (usenm.U):
+ This variable holds the options that may be necessary for nm
+ to work on a shared library but that can not be used on an
+ archive library. Currently, this is only used by Linux, where
+ nm --dynamic is *required* to get symbols from an ELF library which
+ has been stripped, but nm --dynamic is *fatal* on an archive library.
+ 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.
+
+nroff (Loc.U):
+ This variable is be 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.
+
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
between blocking and non-blocking, you may try ioctl(FIOSNBIO) instead,
but that is only supported by some devices.
-oldarchlib (oldarchlib.U):
- This variable holds the name of the directory in which perl5.000
- and perl5.001 stored
- architecture-dependent public library files.
-
-oldarchlibexp (oldarchlib.U):
- This variable is the same as the oldarchlib variable, but is
- filename expanded at configuration time, for convenient use.
+obj_ext (Unix.U):
+ This is an old synonym for _o.
optimize (ccflags.U):
This variable contains any optimizer/debugger flag that should be used.
It is up to the Makefile to use it.
+orderlib (orderlib.U):
+ This variable is "true" if the components of libraries must be ordered
+ (with `lorder $* | tsort`) before placing them in an archive. Set to
+ "false" if ranlib or ar can generate random libraries.
+
osname (Oldconfig.U):
This variable contains the operating system name (e.g. sunos,
solaris, hpux, etc.). It can be useful later on for setting
defaults. Any spaces are replaced with underscores. It is set
to a null string if we can't figure it out.
+osvers (Oldconfig.U):
+ This variable contains the operating system version (e.g.
+ 4.1.3, 5.2, etc.). It is primarily used for helping select
+ an appropriate hints file, but might be useful elsewhere for
+ setting defaults. It is set to '' if we can't figure it out.
+ We try to be flexible about how much of the version number
+ to keep, e.g. if 4.1.1, 4.1.2, and 4.1.3 are essentially the
+ same for this package, hints files might just be os_4.0 or
+ os_4.1, etc., not keeping separate files for each little release.
+
+package (package.U):
+ This variable contains the name of the package being constructed.
+ It is primarily intended for the use of later Configure units.
+
pager (pager.U):
This variable contains the name of the preferred pager on the system.
Usual values are (the full pathnames of) more, less, pg, or cat.
+passcat (nis.U):
+ 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.
+
+patchlevel (patchlevel.U):
+ The patchlevel level of this package.
+ The value of patchlevel comes from the patchlevel.h file.
+
path_sep (Unix.U):
- This variable defines the character used to separate elements in
- the shell's PATH environment variable. On Unix, it is ':'.
- This is probably identical to Head.U's p_ variable and can
- probably be dropped.
+ 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 defined but not used by Configure.
+ The value is a plain '' and is not useful.
perladmin (perladmin.U):
Electronic mail address of the perl5 administrator.
+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.
+
+pg (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the pg program. After Configure runs,
+ the value is reset to a plain "pg" and is not useful.
+
+phostname (myhostname.U):
+ This variable contains the eventual value of the PHOSTNAME symbol,
+ which is a command that can be fed to popen() to get the host name.
+ The program should probably not presume that the domain is or isn't
+ there already.
+
+pidtype (pidtype.U):
+ 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):
+ Holds the private path used by Configure to find out the libraries.
+ Its value is prepend to libpth. This variable takes care of special
+ machines, like the mips. Usually, it should be empty.
+
+pmake (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' 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.
+
prefix (prefix.U):
This variable holds the name of the directory below which the
user will install the package. Usually, this is /usr/local, and
man pages in /usr/local/man, etc. It is only used to set defaults
for things in bin.U, mansrc.U, privlib.U, or scriptdir.U.
+prefixexp (prefix.U):
+ This variable holds the full absolute path of the directory below
+ which the user will install the package. Derived from prefix.
+
privlib (privlib.U):
This variable contains the eventual value of the PRIVLIB symbol,
which is the name of the private library for this package. It may
This variable holds the eventual value of CAN_PROTOTYPE, which
indicates the C compiler can handle funciton prototypes.
-randbits (randbits.U):
- This variable contains the eventual value of the RANDBITS symbol,
- which indicates to the C program how many bits of random number
- the rand() function produces.
+pthread_create_joinable (d_pthrattrj.U):
+ This variable defines the constant to use for creating joinable
+ (aka undetached) pthreads. Unused if pthread.h defines
+ PTHREAD_CREATE_JOINABLE. If used, possible values are
+ PTHREAD_CREATE_UNDETACHED and __UNDETACHED.
+
+ptrsize (ptrsize.U):
+ This variable contains the value of the PTRSIZE symbol, which
+ indicates to the C program how many bytes there are in a pointer.
+
+randbits (randfunc.U):
+ Indicates how many bits are produced by the function used to
+ generate normalized random numbers.
+
+randfunc (randfunc.U):
+ Indicates the name of the random number function to use.
+ Values include drand48, random, and rand. In C programs,
+ the 'Drand01' macro is defined to generate uniformly distributed
+ random numbers over the range [0., 1.[ (see drand01 and nrand).
+
+randseedtype (randfunc.U):
+ Indicates the type of the argument of the seedfunc.
ranlib (orderlib.U):
This variable is set to the pathname of the ranlib program, if it is
used, which is a shame because you cannot make the difference between
no data and an EOF.. Sigh!
+rm (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the rm program. After Configure runs,
+ the value is reset to a plain "rm" and is not useful.
+
+rmail (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+runnm (usenm.U):
+ This variable contains 'true' or 'false' depending whether the
+ nm extraction should be performed or not, according to the value
+ of usenm and the flags on the Configure command line.
+
+sched_yield (d_pthread_y.U):
+ This variable defines the way to yield the execution
+ of the current thread.
+
scriptdir (scriptdir.U):
This variable holds the name of the directory in which the user wants
to put publicly scripts for the package in question. It is either
mounted across different architectures, like /usr/share. Programs
must be prepared to deal with ~name expansion.
+scriptdirexp (scriptdir.U):
+ This variable is the same as scriptdir, but is filename expanded
+ at configuration time, for programs not wanting to bother with it.
+
+sed (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the sed program. After Configure runs,
+ the value is reset to a plain "sed" and is not useful.
+
+seedfunc (randfunc.U):
+ Indicates the random number generating seed function.
+ Values include srand48, srandom, and srand.
+
+selectminbits (selectminbits.U):
+ This variable holds the minimum number of bits operated by select.
+ That is, if you do select(n, ...), how many bits at least will be
+ cleared in the masks if some activity is detected. Usually this
+ is either n or 32*ceil(n/32), especially many little-endians do
+ the latter. This is only useful if you have select(), naturally.
+
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
have select(), naturally.
+sendmail (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
sh (sh.U):
This variable contains the full pathname of the shell used
on this system to execute Bourne shell scripts. Usually, this will be
/bin/sh, though it's possible that some systems will have /bin/ksh,
/bin/pdksh, /bin/ash, /bin/bash, or even something such as
D:/bin/sh.exe.
- This unit comes before Options.U, so you can't set sh with a -D
+ This unit comes before Options.U, so you can't set sh with a '-D'
option, though you can override this (and startsh)
- with -O -Dsh=/bin/whatever -Dstartsh=whatever
+ with '-O -Dsh=/bin/whatever -Dstartsh=whatever'
+
+shar (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+sharpbang (spitshell.U):
+ This variable contains the string #! if this system supports that
+ construct.
shmattype (d_shmat.U):
This symbol contains the type of pointer returned by shmat().
It can be 'void *' or 'char *'.
+shortsize (intsize.U):
+ This variable contains the value of the SHORTSIZE symbol which
+ indicates to the C program how many bytes there are in a short.
+
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.
as -R $archlibexp/CORE (Solaris, NetBSD) or -Wl,-rpath
$archlibexp/CORE (Linux).
+shsharp (spitshell.U):
+ This variable tells further Configure units whether your sh can
+ handle # comments.
+
sig_name (sig_name.U):
This variable holds the signal names, space separated. The leading
- SIG in signals name is removed. See sig_num.
+ SIG in signal name is removed. A ZERO is prepended to the
+ list. This is currently not used.
+
+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
+ 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. Those numbers
- correspond to the value of the signal listed in the same place within
- the sig_name list.
+ 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.
+
+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
+ terminated with a plain 0.
signal_t (d_voidsig.U):
This variable holds the type of the signal handler (void or int).
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.
+
+smail (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
small (models.U):
This variable contains a flag which will tell the C compiler and loader
to produce a program running with a small memory model. It is up to
the Makefile to use this.
+so (so.U):
+ This variable holds the extension used to identify shared libraries
+ (also known as shared objects) on the system. Usually set to 'so'.
+
+sockethdr (d_socket.U):
+ This variable has any cpp '-I' flags needed for socket support.
+
+socketlib (d_socket.U):
+ This variable has the names of any libraries needed for socket support.
+
+sort (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the sort program. After Configure runs,
+ the value is reset to a plain "sort" and is not useful.
+
+spackage (package.U):
+ This variable contains the name of the package being constructed,
+ with the first letter uppercased, i.e. suitable for starting
+ sentences.
+
spitshell (spitshell.U):
This variable contains the command necessary to spit out a runnable
- shell on this system. It is either cat or a grep -v for # comments.
+ shell on this system. It is either cat or a grep '-v' for # comments.
split (models.U):
This variable contains a flag which will tell the C compiler and loader
machines that support separation of instruction and data space. It is
up to the Makefile to use this.
+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.
+
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
script to make sure (hopefully) that it runs with perl and not some
shell. Of course, that leading line must be followed by the classical
perl idiom:
- eval 'exec perl -S $0 "$@"'
+ 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.
other shell.
static_ext (Extensions.U):
- This variable holds a list of extension files we want to
+ This variable holds a list of XS extension files we want to
link statically into the package. It is used by Makefile.
stdchar (stdchar.U):
This variable conditionally defines STDCHAR to be the type of char
used in stdio.h. It has the values "unsigned char" or "char".
+stdio_base (d_stdstdio.U):
+ This variable defines how, given a FILE pointer, fp, to access the
+ _base field (or equivalent) of stdio.h's FILE structure. This will
+ be used to define the macro FILE_base(fp).
+
+stdio_bufsiz (d_stdstdio.U):
+ This variable defines how, given a FILE pointer, fp, to determine
+ the number of bytes store in the I/O buffer pointer to by the
+ _base field (or equivalent) of stdio.h's FILE structure. This will
+ be used to define the macro FILE_bufsiz(fp).
+
+stdio_cnt (d_stdstdio.U):
+ This variable defines how, given a FILE pointer, fp, to access the
+ _cnt field (or equivalent) of stdio.h's FILE structure. This will
+ be used to define the macro FILE_cnt(fp).
+
+stdio_filbuf (d_stdstdio.U):
+ This variable defines how, given a FILE pointer, fp, to tell
+ stdio to refill it's internal buffers (?). This will
+ be used to define the macro FILE_filbuf(fp).
+
+stdio_ptr (d_stdstdio.U):
+ This variable defines how, given a FILE pointer, fp, to access the
+ _ptr field (or equivalent) of stdio.h's FILE structure. This will
+ be used to define the macro FILE_ptr(fp).
+
+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.
+
+subversion (patchlevel.U):
+ The subversion level of this package.
+ The value of subversion comes from the patchlevel.h file.
+ This is unique to perl.
+
+sysman (sysman.U):
+ This variable holds the place where the manual is located on this
+ system. It is not the place where the user wants to put his manual
+ pages. Rather it is the place where Configure may look to find manual
+ for unix commands (section 1 of the manual usually). See mansrc.
+
+tail (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' 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.
+
+tbl (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+tee (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the tee program. After Configure runs,
+ the value is reset to a plain "tee" and is not useful.
+
+test (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the test program. After Configure runs,
+ the value is reset to a plain "test" and is not useful.
+
+timeincl (i_time.U):
+ This variable holds the full path of the included time header(s).
+
timetype (d_time.U):
This variable holds the type returned by time(). It can be long,
or time_t on BSD sites (in which case <sys/types.h> should be
included). Anyway, the type Time_t should be used.
+touch (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the touch program. After Configure runs,
+ the value is reset to a plain "touch" and is not useful.
+
+tr (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the tr program. After Configure runs,
+ the value is reset to a plain "tr" and is not useful.
+
+trnl (trnl.U):
+ This variable contains the value to be passed to the tr(1)
+ command to transliterate a newline. Typical values are
+ '\012' and '\n'. This is needed for EBCDIC systems where
+ newline is not necessarily '\012'.
+
+troff (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
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.
+uname (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the uname program. After Configure runs,
+ the value is reset to a plain "uname" and is not useful.
+
+uniq (Loc.U):
+ This variable is be used internally by Configure to determine the
+ 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.
+
+usedl (dlsrc.U):
+ This variable indicates if the the system supports dynamic
+ loading of some sort. See also dlsrc and dlobj.
+
+usemultiplicity (usemultiplicity.U):
+ This variable conditionally defines the MULTIPLICITY symbol,
+ and indicates that Perl should be built to use multiplicity.
+
+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
+ less portable. See also mallocsrc and mallocobj.
+ If this is 'y', then -lmalloc is removed from $libs.
+
+usenm (usenm.U):
+ This variable contains 'true' or 'false' depending whether the
+ nm extraction is wanted or not.
+
+useopcode (Extensions.U):
+ This variable holds either 'true' or 'false' to indicate
+ whether the Opcode extension should be used. The sole
+ use for this currently is to allow an easy mechanism
+ for users to skip the Opcode extension from the Configure
+ command line.
+
useperlio (useperlio.U):
This variable conditionally defines the USE_PERLIO symbol,
and indicates that the PerlIO abstraction should be
used throughout.
+useposix (Extensions.U):
+ This variable holds either 'true' or 'false' to indicate
+ whether the POSIX extension should be used. The sole
+ use for this currently is to allow an easy mechanism
+ for hints files to indicate that POSIX will not compile
+ on a particular system.
+
+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".
+
useshrplib (libperl.U):
This variable is set to 'yes' if the user wishes
to build a shared libperl, and 'no' otherwise.
+usethreads (usethreads.U):
+ This variable conditionally defines the USE_THREADS symbol,
+ and indicates that Perl should be built to use threads.
+
+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.
+
+usrinc (usrinc.U):
+ This variable holds the path of the include files, which is
+ usually /usr/include. It is mainly used by other Configure units.
+
+uuname (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+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.
+
+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.
+zcat (Loc.U):
+ This variable is defined but not used by Configure.
+ The value is a plain '' and is not useful.
+
+zip (Loc.U):
+ This variable is be used internally by Configure to determine the
+ full pathname (if any) of the zip program. After Configure runs,
+ the value is reset to a plain "zip" and is not useful.
+
projects / p5sagit/p5-mst-13.2.git / blobdiff