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.]
+
+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.
_a (Unix.U):
This variable defines the extension used for ordinary libraries.
This variable holds the number of bytes required to align a
double. Usual values are 2, 4 and 8.
+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
to put architecture-dependent public library files for $package.
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.
-bincompat3 (bincompat3.U):
- This variable contains y if Perl 5.004 should be binary-compatible
- with Perl 5.003.
-
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.
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.
the crypt() function is not defined in the standard C library. It is
up to the Makefile to use this.
+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_Gconvert (d_gconvert.U):
This variable holds what Gconvert is defined as to convert
floating point numbers into strings. It could be 'gconvert'
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_bincompat3 (bincompat3.U):
- This variable conditionally defines BINCOMPAT3 so that embed.h
- can take special action if Perl 5.004 should be binary-compatible
- with Perl 5.003. This is impossible for 5.004_50 and later, so
- it is always $undef for those versions.
-
d_bsd (Guess.U):
This symbol conditionally defines the symbol BSD when running on a
BSD system.
This variable conditionally defines USE_BSD_GETPGRP if
getpgrp needs one 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.
+ See also d_setpgid for a POSIX interface.
+
d_bzero (d_bzero.U):
This variable conditionally defines the HAS_BZERO symbol if
the bzero() routine is available to set memory to 0.
This variable conditionally defines HAS_DUP2 if dup2() is
available to duplicate file descriptors.
+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.
that the ftime() routine exists. The ftime() routine is basically
a sub-second accuracy clock.
+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
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 look up host names in some data base or another.
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
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
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
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
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
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.
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_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_lstat (d_lstat.U):
This variable conditionally defines HAS_LSTAT if lstat() is
available to do file stats on symbolic links.
state.
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_readdir (d_readdir.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.
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
This variable conditionally defines HAS_SETLOCALE if setlocale() is
available to handle locale-specific ctype implementations.
+d_setnent (d_setnent.U):
+ This variable conditionally defines HAS_SETNETENT if setnetent() is
+ available.
+
+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.
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).
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 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
indicates to the C program how many bytes there are in a double.
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
exe_ext (Unix.U):
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
- linked into the package. It is propagated to Config.pm
+ 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 be used internally by Configure to determine the
+ full pathname (if any) of the find program. After Configure runs,
+ the value is reset to a plain "find" and is not useful.
+
firstmakefile (Unix.U):
This variable defines the first file searched by make. On unix,
it is makefile (then Makefile). On case-insensitive systems,
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.
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
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.
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
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>.
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>.
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>.
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
indicates to the C program how many bytes there are in an int.
known_extensions (Extensions.U):
- This variable holds a list of all extensions included in
+ 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
to produce a program running with a large memory model. It is up to
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 is an old synonym for _a.
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 be used internally by Configure to determine the
+ full pathname (if any) of the line program. After Configure runs,
+ the value is reset to a plain "line" 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
locincpth (ccflags.U):
This variable contains a list of additional directories to be
- searched by the compiler. The appropriate -I directives will
+ 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.
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.
+
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).
+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
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):
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,
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
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".
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.
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
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 be used internally by Configure to determine the
+ full pathname (if any) of the perl program. After Configure runs,
+ the value is reset to a plain "perl" and is not useful.
+
perladmin (perladmin.U):
Electronic mail address of the perl5 administrator.
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.
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
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
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.
+
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 be used internally by Configure to determine the
+ full pathname (if any) of the sendmail program. After Configure runs,
+ the value is reset to a plain "sendmail" 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
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
(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.
+ 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
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
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 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.
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).
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.
+
usedl (dlsrc.U):
This variable indicates if the the system supports dynamic
loading of some sort. See also dlsrc and dlobj.
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