--- /dev/null
+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.
+
+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'.
+
+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.
+ It is most often a local directory such as /usr/local/lib.
+ Programs using this variable must be prepared to deal
+ with filename expansion.
+
+archlibexp (archlib.U):
+ This variable is the same as the archlib variable, but is
+ filename expanded at configuration time, for convenient use.
+
+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
+ empty. It is typically used to include emulations of unix calls
+ or other facilities. For perl on OS/2, for example, this would
+ include os2/os2.obj.
+
+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.
+
+byteorder (byteorder.U):
+ This variable holds the byte order. In the following, larger digits
+ indicate more significance. The variable byteorder is either 4321
+ on a big-endian machine, or 1234 on a little-endian, or 87654321
+ on a Cray ... or 3412 with weird order !
+
+c (n.U):
+ This variable contains the \c string 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".
+
+castflags (d_castneg.U):
+ This variable contains a flag that precise difficulties the
+ compiler has casting odd floating values to unsigned long:
+ 0 = ok
+ 1 = couldn't cast < 0
+ 2 = couldn't cast >= 0x80000000
+ 4 = couldn't cast in argument expression list
+
+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".
+
+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
+ 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.
+ It is up to the makefile to use it. For sunos 4.1, it should
+ be empty.
+
+ccflags (ccflags.U):
+ This variable contains any additional C compiler flags desired by
+ the user. It is up to the Makefile to use this.
+
+cf_by (cf_who.U):
+ 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_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.
+
+cpp_stuff (cpp_stuff.U):
+ This variable contains an identification of the catenation mechanism
+ used by the C preprocessor.
+
+cppflags (ccflags.U):
+ This variable holds the flags that will be passed to the C pre-
+ processor. It is up to the Makefile to use it.
+
+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 "".
+
+cppstdin (cppstdin.U):
+ This variable contains the command which will invoke the C
+ preprocessor on standard input and put the output to stdout.
+ It is primarily used by other Configure units that ask about
+ preprocessor symbols.
+
+cryptlib (d_crypt.U):
+ This variable holds -lcrypt or the path to a libcrypt.a archive if
+ the crypt() function is not defined in the standard C library. It is
+ 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.
+
+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_alarm (d_alarm.U):
+ This variable conditionally defines the HAS_ALARM symbol, which
+ indicates to the C program that the alarm() routine is available.
+
+d_archlib (archlib.U):
+ This variable conditionally defines ARCHLIB to hold the pathname
+ of architecture-dependent library files for $package. If
+ $archlib is the same as $privlib, then this is set to undef.
+
+d_bcmp (d_bcmp.U):
+ This variable conditionally defines the HAS_BCMP symbol if
+ the bcmp() routine is available to compare strings.
+
+d_bcopy (d_bcopy.U):
+ This variable conditionally defines the HAS_BCOPY symbol if
+ the bcopy() routine is available to copy strings.
+
+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_bzero (d_bzero.U):
+ This variable conditionally defines the HAS_BZERO symbol if
+ the bzero() routine is available to set memory to 0.
+
+d_casti32 (d_casti32.U):
+ This variable conditionally defines CASTI32, which indicates
+ whether the C compiler can cast large floats to 32-bit ints.
+
+d_castneg (d_castneg.U):
+ This variable conditionally defines CASTNEG, which indicates
+ wether the C compiler can cast negative float to unsigned.
+
+d_charvspr (d_vprintf.U):
+ This variable conditionally defines CHARVSPRINTF if this system
+ has vsprintf returning type (char*). The trend seems to be to
+ declare it as "int vsprintf()".
+
+d_chown (d_chown.U):
+ This variable conditionally defines the HAS_CHOWN symbol, which
+ indicates to the C program that the chown() routine is available.
+
+d_chroot (d_chroot.U):
+ This variable conditionally defines the HAS_CHROOT symbol, which
+ indicates to the C program that the chroot() routine is available.
+
+d_chsize (d_chsize.U):
+ This variable conditionally defines the CHSIZE symbol, which
+ indicates to the C program that the chsize() routine is available
+ to truncate files. You might need a -lx to get this routine.
+
+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
+ const type.
+
+d_crypt (d_crypt.U):
+ This variable conditionally defines the CRYPT symbol, which
+ indicates to the C program that the crypt() routine is available
+ to encrypt passwords and the like.
+
+d_csh (d_csh.U):
+ This variable conditionally defines the CSH symbol, which
+ indicates to the C program that the C-shell exists.
+
+d_cuserid (d_cuserid.U):
+ This variable conditionally defines the HAS_CUSERID symbol, which
+ indicates to the C program that the cuserid() routine is available
+ to get character login names.
+
+d_dbl_dig (d_dbl_dig.U):
+ This variable conditionally defines d_dbl_dig if this system's
+ header files provide DBL_DIG, which is the number of significant
+ digits in a double precision number.
+
+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_dirnamlen (i_dirent.U):
+ This variable conditionally defines DIRNAMLEN, which indicates
+ to the C program that the length of directory entry names is
+ provided by a d_namelen field.
+
+d_dlerror (d_dlerror.U):
+ This variable conditionally defines the HAS_DLERROR symbol, which
+ indicates to the C program that the dlerror() 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
+ name before calling dlsym().
+
+d_dosuid (d_dosuid.U):
+ This variable conditionally defines the symbol DOSUID, which
+ tells the C program that it should insert setuid emulation code
+ on hosts which have setuid #! scripts disabled.
+
+d_dup2 (d_dup2.U):
+ This variable conditionally defines HAS_DUP2 if dup2() is
+ available to duplicate file descriptors.
+
+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_fchmod (d_fchmod.U):
+ This variable conditionally defines the HAS_FCHMOD symbol, which
+ indicates to the C program that the fchmod() routine is available
+ to change mode of opened files.
+
+d_fchown (d_fchown.U):
+ This variable conditionally defines the HAS_FCHOWN symbol, which
+ indicates to the C program that the fchown() routine is available
+ to change ownership of opened files.
+
+d_fcntl (d_fcntl.U):
+ This variable conditionally defines the HAS_FCNTL symbol, and indicates
+ whether the fcntl() function exists
+
+d_fgetpos (d_fgetpos.U):
+ This variable conditionally defines HAS_FGETPOS if fgetpos() is
+ available to get the file position indicator.
+
+d_flexfnam (d_flexfnam.U):
+ This variable conditionally defines the FLEXFILENAMES symbol, which
+ indicates that the system supports filenames longer than 14 characters.
+
+d_flock (d_flock.U):
+ This variable conditionally defines HAS_FLOCK if flock() is
+ available to do file locking.
+
+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.
+
+d_fpathconf (d_pathconf.U):
+ This variable conditionally defines the HAS_FPATHCONF symbol, which
+ indicates to the C program that the pathconf() routine is available
+ to determine file-system related limits and options associated
+ with a given open file descriptor.
+
+d_fsetpos (d_fsetpos.U):
+ This variable conditionally defines HAS_FSETPOS if fsetpos() is
+ available to set the file position indicator.
+
+d_gethent (d_gethent.U):
+ This variable conditionally defines HAS_GETHOSTENT if gethostent() is
+ available to dup file descriptors.
+
+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_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_getppid (d_getppid.U):
+ This variable conditionally defines the HAS_GETPPID symbol, which
+ indicates to the C program that the getppid() routine is available
+ to get the parent process ID.
+
+d_getprior (d_getprior.U):
+ This variable conditionally defines HAS_GETPRIORITY if getpriority()
+ is available to get a process's priority.
+
+d_htonl (d_htonl.U):
+ This variable conditionally defines HAS_HTONL if htonl() and its
+ friends are available to do network order byte swapping.
+
+d_index (d_strchr.U):
+ This variable conditionally defines HAS_INDEX if index() and
+ rindex() are available for string searching.
+
+d_isascii (d_isascii.U):
+ This variable conditionally defines the HAS_ISASCII constant,
+ which indicates to the C program that isascii() is available.
+
+d_killpg (d_killpg.U):
+ This variable conditionally defines the HAS_KILLPG symbol, which
+ indicates to the C program that the killpg() routine is available
+ to kill process groups.
+
+d_link (d_link.U):
+ This variable conditionally defines HAS_LINK if link() is
+ available to create hard links.
+
+d_locconv (d_locconv.U):
+ This variable conditionally defines HAS_LOCALECONV if localeconv() is
+ available for numeric and monetary formatting conventions.
+
+d_lockf (d_lockf.U):
+ This variable conditionally defines HAS_LOCKF if lockf() is
+ available to do file locking.
+
+d_lstat (d_lstat.U):
+ This variable conditionally defines HAS_LSTAT if lstat() is
+ available to do file stats on symbolic links.
+
+d_mblen (d_mblen.U):
+ This variable conditionally defines the HAS_MBLEN symbol, which
+ indicates to the C program that the mblen() routine is available
+ to find the number of bytes in a multibye character.
+
+d_mbstowcs (d_mbstowcs.U):
+ This variable conditionally defines the HAS_MBSTOWCS symbol, which
+ indicates to the C program that the mbstowcs() routine is available
+ to convert a multibyte string into a wide character string.
+
+d_mbtowc (d_mbtowc.U):
+ This variable conditionally defines the HAS_MBTOWC symbol, which
+ indicates to the C program that the mbtowc() routine is available
+ to convert multibyte to a wide character.
+
+d_memcmp (d_memcmp.U):
+ This variable conditionally defines the HAS_MEMCMP symbol, which
+ indicates to the C program that the memcmp() routine is available
+ to compare blocks of memory.
+
+d_memcpy (d_memcpy.U):
+ This variable conditionally defines the HAS_MEMCPY symbol, which
+ indicates to the C program that the memcpy() routine is available
+ to copy blocks of memory.
+
+d_memmove (d_memmove.U):
+ This variable conditionally defines the HAS_MEMMOVE symbol, which
+ indicates to the C program that the memmove() routine is available
+ to copy potentatially overlapping blocks of memory.
+
+d_memset (d_memset.U):
+ This variable conditionally defines the HAS_MEMSET symbol, which
+ indicates to the C program that the memset() routine is available
+ to set blocks of memory.
+
+d_mkdir (d_mkdir.U):
+ This variable conditionally defines the HAS_MKDIR symbol, which
+ indicates to the C program that the mkdir() routine is available
+ to create directories..
+
+d_mkfifo (d_mkfifo.U):
+ This variable conditionally defines the HAS_MKFIFO symbol, which
+ indicates to the C program that the mkfifo() routine is available.
+
+d_mktime (d_mktime.U):
+ This variable conditionally defines the HAS_MKTIME symbol, which
+ indicates to the C program that the mktime() routine is available.
+
+d_msg (d_msg.U):
+ This variable conditionally defines the HAS_MSG symbol, which
+ indicates that the entire msg*(2) library is present.
+
+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_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_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_pathconf (d_pathconf.U):
+ This variable conditionally defines the HAS_PATHCONF symbol, which
+ indicates to the C program that the pathconf() routine is available
+ to determine file-system related limits and options associated
+ with a given filename.
+
+d_pause (d_pause.U):
+ This variable conditionally defines the HAS_PAUSE symbol, which
+ indicates to the C program that the pause() routine is available
+ to suspend a process until a signal is received.
+
+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
+ to create an inter-process channel.
+
+d_poll (d_poll.U):
+ This variable conditionally defines the HAS_POLL symbol, which
+ indicates to the C program that the poll() routine is available
+ to poll active file descriptors.
+
+d_pwage (i_pwd.U):
+ This varaible conditionally defines PWAGE, which indicates
+ that struct passwd contains pw_age.
+
+d_pwchange (i_pwd.U):
+ This varaible conditionally defines PWCHANGE, which indicates
+ that struct passwd contains pw_change.
+
+d_pwclass (i_pwd.U):
+ This varaible conditionally defines PWCLASS, which indicates
+ that struct passwd contains pw_class.
+
+d_pwcomment (i_pwd.U):
+ This varaible conditionally defines PWCOMMENT, which indicates
+ that struct passwd contains pw_comment.
+
+d_pwexpire (i_pwd.U):
+ This varaible conditionally defines PWEXPIRE, which indicates
+ that struct passwd contains pw_expire.
+
+d_pwquota (i_pwd.U):
+ This varaible conditionally defines PWQUOTA, which indicates
+ that struct passwd contains pw_quota.
+
+d_readdir (d_readdir.U):
+ This variable conditionally defines HAS_READDIR if readdir() is
+ available to read directory entries.
+
+d_readlink (d_readlink.U):
+ This variable conditionally defines the HAS_READLINK symbol, which
+ indicates to the C program that the readlink() routine is available
+ to read the value of a symbolic link.
+
+d_rename (d_rename.U):
+ This variable conditionally defines the HAS_RENAME symbol, which
+ indicates to the C program that the rename() routine is available
+ to rename files.
+
+d_rewinddir (d_readdir.U):
+ This variable conditionally defines HAS_REWINDDIR if rewinddir() is
+ available.
+
+d_rmdir (d_rmdir.U):
+ This variable conditionally defines HAS_RMDIR if rmdir() is
+ available to remove directories.
+
+d_safebcpy (d_safebcpy.U):
+ This variable conditionally defines the HAS_SAFE_BCOPY symbol if
+ the bcopy() routine can do overlapping copies.
+
+d_safemcpy (d_safemcpy.U):
+ This variable conditionally defines the HAS_SAFE_MEMCPY symbol if
+ the memcpy() routine can do overlapping copies.
+
+d_seekdir (d_readdir.U):
+ This variable conditionally defines HAS_SEEKDIR if seekdir() is
+ available.
+
+d_select (d_select.U):
+ This variable conditionally defines HAS_SELECT if select() is
+ available to select active file descriptors. A <sys/time.h>
+ inclusion may be necessary for the timeout field.
+
+d_sem (d_sem.U):
+ This variable conditionally defines the HAS_SEM symbol, which
+ indicates that the entire sem*(2) library is present.
+
+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
+ to change the effective gid of the current program.
+
+d_seteuid (d_seteuid.U):
+ This variable conditionally defines the HAS_SETEUID symbol, which
+ indicates to the C program that the seteuid() routine is available
+ to change the effective uid of the current program.
+
+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
+ to change stderr or stdout from block-buffered or unbuffered to a
+ line-buffered mode.
+
+d_setlocale (d_setlocale.U):
+ 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 HAS_SETPGID if setpgid() is
+ available to set process group ID.
+
+d_setpgrp (d_setpgrp.U):
+ This variable conditionally defines HAS_SETPGRP if setpgrp() is
+ available to set the current process group.
+
+d_setpgrp2 (d_setpgrp2.U):
+ This variable conditionally defines the HAS_SETPGRP2 symbol, which
+ indicates to the C program that the setpgrp2() (as in DG/UX) routine
+ is available to set the current process group.
+
+d_setprior (d_setprior.U):
+ This variable conditionally defines HAS_SETPRIORITY if setpriority()
+ is available to set a process's priority.
+
+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
+ process.
+
+d_setresgid (d_setregid.U):
+ This variable conditionally defines HAS_SETRESGID if setresgid() is
+ available to change the real, effective and saved gid of the current
+ process.
+
+d_setresuid (d_setreuid.U):
+ This variable conditionally defines HAS_SETREUID if setresuid() is
+ available to change the real, effective and saved uid of the current
+ process.
+
+d_setreuid (d_setreuid.U):
+ This variable conditionally defines HAS_SETREUID if setreuid() is
+ available to change the real and effective uid of the current
+ process.
+
+d_setrgid (d_setrgid.U):
+ This variable conditionally defines the HAS_SETRGID symbol, which
+ indicates to the C program that the setrgid() routine is available
+ to change the real gid of the current program.
+
+d_setruid (d_setruid.U):
+ This variable conditionally defines the HAS_SETRUID symbol, which
+ indicates to the C program that the setruid() routine is available
+ to change the real uid of the current program.
+
+d_setsid (d_setsid.U):
+ This variable conditionally defines HAS_SETSID if setsid() is
+ available to set the process group ID.
+
+d_sfio (d_sfio.U):
+ This variable conditionally defines the USE_SFIO symbol,
+ and indicates whether sfio is available (and should be used).
+
+d_shm (d_shm.U):
+ This variable conditionally defines the HAS_SHM symbol, which
+ indicates that the entire shm*(2) library is present.
+
+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_sigaction (d_sigaction.U):
+ This variable conditionally defines the HAS_SIGACTION symbol, which
+ indicates that the Vr4 sigaction() routine is available.
+
+d_sigsetjmp (d_sigsetjmp.U):
+ This variable conditionally defines the HAS_SIGSETJMP symbol,
+ which indicates that the sigsetjmp() routine is available to
+ call setjmp() and optionally save the process's signal mask.
+
+d_socket (d_socket.U):
+ This variable conditionally defines HAS_SOCKET, which indicates
+ that the BSD socket interface is supported.
+
+d_sockpair (d_socket.U):
+ This variable conditionally defines the HAS_SOCKETPAIR symbol, which
+ indicates that the BSD socketpair() is supported.
+
+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.
+
+d_stdio_cnt_lval (d_stdstdio.U):
+ This variable conditionally defines STDIO_CNT_LVALUE if the
+ FILE_cnt macro can be used as an lvalue.
+
+d_stdio_ptr_lval (d_stdstdio.U):
+ This variable conditionally defines STDIO_PTR_LVALUE if the
+ FILE_ptr macro can be used as an lvalue.
+
+d_stdiobase (d_stdstdio.U):
+ This variable conditionally defines USE_STDIO_BASE if this system
+ has a FILE structure declaring a usable _base field (or equivalent)
+ in stdio.h.
+
+d_stdstdio (d_stdstdio.U):
+ This variable conditionally defines USE_STDIO_PTR if this system
+ has a FILE structure declaring usable _ptr and _cnt fields (or
+ equivalent) in stdio.h.
+
+d_strchr (d_strchr.U):
+ This variable conditionally defines HAS_STRCHR if strchr() and
+ strrchr() are available for string searching.
+
+d_strcoll (d_strcoll.U):
+ This variable conditionally defines HAS_STRCOLL if strcoll() is
+ available to compare strings using collating information.
+
+d_strctcpy (d_strctcpy.U):
+ This variable conditionally defines the USE_STRUCT_COPY symbol, which
+ indicates to the C program that this C compiler knows how to copy
+ structures.
+
+d_strerrm (d_strerror.U):
+ This variable holds what Strerrr is defined as to translate an error
+ code condition into an error message string. It could be 'strerror'
+ or a more complex macro emulating strrror with sys_errlist[], or the
+ "unknown" string when both strerror and sys_errlist are missing.
+
+d_strerror (d_strerror.U):
+ This variable conditionally defines HAS_STRERROR if strerror() is
+ available to translate error numbers to strings.
+
+d_strxfrm (d_strxfrm.U):
+ This variable conditionally defines HAS_STRXFRM if strxfrm() is
+ available to transform strings.
+
+d_suidsafe (d_dosuid.U):
+ This variable conditionally defines SETUID_SCRIPTS_ARE_SECURE_NOW
+ if setuid scripts can be secure. This test looks in /dev/fd/.
+
+d_symlink (d_symlink.U):
+ This variable conditionally defines the HAS_SYMLINK symbol, which
+ indicates to the C program that the symlink() routine is available
+ to create symbolic links.
+
+d_syscall (d_syscall.U):
+ This variable conditionally defines HAS_SYSCALL if syscall() is
+ available call arbitrary system calls.
+
+d_sysconf (d_sysconf.U):
+ This variable conditionally defines the HAS_SYSCONF symbol, which
+ indicates to the C program that the sysconf() routine is available
+ to determine system related limits and options.
+
+d_syserrlst (d_strerror.U):
+ This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is
+ available to translate error numbers to strings.
+
+d_system (d_system.U):
+ This variable conditionally defines HAS_SYSTEM if system() is
+ available to issue a shell command.
+
+d_tcgetpgrp (d_tcgtpgrp.U):
+ This variable conditionally defines the HAS_TCGETPGRP symbol, which
+ indicates to the C program that the tcgetpgrp() routine is available.
+ to get foreground process group ID.
+
+d_tcsetpgrp (d_tcstpgrp.U):
+ This variable conditionally defines the HAS_TCSETPGRP symbol, which
+ indicates to the C program that the tcsetpgrp() routine is available
+ to set foreground process group ID.
+
+d_telldir (d_readdir.U):
+ This variable conditionally defines HAS_TELLDIR if telldir() is
+ available.
+
+d_times (d_times.U):
+ This variable conditionally defines the HAS_TIMES symbol, which indicates
+ that the times() routine exists. The times() routine is normaly
+ provided on UNIX systems. You may have to include <sys/times.h>.
+
+d_truncate (d_truncate.U):
+ This variable conditionally defines HAS_TRUNCATE if truncate() is
+ available to truncate files.
+
+d_tzname (d_tzname.U):
+ This variable conditionally defines HAS_TZNAME if tzname[] is
+ available to access timezone names.
+
+d_umask (d_umask.U):
+ This variable conditionally defines the HAS_UMASK symbol, which
+ indicates to the C program that the umask() routine is available.
+ to set and get the value of the file creation mask.
+
+d_uname (d_gethname.U):
+ This variable conditionally defines the HAS_UNAME symbol, which
+ indicates to the C program that the uname() routine may be
+ used to derive the host name.
+
+d_vfork (d_vfork.U):
+ This variable conditionally defines the HAS_VFORK symbol, which
+ indicates the vfork() routine is available.
+
+d_void_closedir (d_closedir.U):
+ This variable conditionally defines VOID_CLOSEDIR if closedir()
+ does not return a value.
+
+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
+ volatile declaration.
+
+d_vprintf (d_vprintf.U):
+ This variable conditionally defines the HAS_VPRINTF symbol, which
+ indicates to the C program that the vprintf() routine is available
+ to printf with a pointer to an argument list.
+
+d_wait4 (d_wait4.U):
+ This variable conditionally defines the HAS_WAIT4 symbol, which
+ indicates the wait4() routine is available.
+
+d_waitpid (d_waitpid.U):
+ This variable conditionally defines HAS_WAITPID if waitpid() is
+ available to wait for child process.
+
+d_wcstombs (d_wcstombs.U):
+ This variable conditionally defines the HAS_WCSTOMBS symbol, which
+ indicates to the C program that the wcstombs() routine is available
+ to convert wide character strings to multibyte strings.
+
+d_wctomb (d_wctomb.U):
+ This variable conditionally defines the HAS_WCTOMB symbol, which
+ indicates to the C program that the wctomb() routine is available
+ to convert a wide character to a multibyte.
+
+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
+ int, while in newer ones it is u_int32_t.
+
+db_prefixtype (i_db.U):
+ This variable contains the type of the prefix structure element
+ in the <db.h> header file. In older versions of DB, it was
+ int, while in newer ones it is size_t.
+
+direntrytype (i_dirent.U):
+ This symbol is set to 'struct direct' or 'struct dirent' depending on
+ whether dirent is available or not. You should use this pseudo type to
+ portably declare your directory entries.
+
+dlext (dlext.U):
+ This variable contains the extension that is to be used for the
+ dynamically loaded modules that perl generaties.
+
+dlsrc (dlsrc.U):
+ This variable contains the name of the dynamic loading file that
+ will be used with the package.
+
+dynamic_ext (Extensions.U):
+ This variable holds a list of extension files we want to
+ link dynamically into the package. It is used by Makefile.
+
+eagain (nblock_io.U):
+ This variable bears the symbolic errno code set by read() when no
+ data is present on the file and non-blocking I/O was enabled (otherwise,
+ read() blocks naturally).
+
+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'.
+
+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.
+
+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.
+
+freetype (mallocsrc.U):
+ This variable contains the return type of free(). It is usually
+ void, but occasionally int.
+
+full_csh (d_csh.U):
+ This variable contains the full pathname to 'csh', whether or
+ not the user has specified 'portability'. This is only used
+ in the compiled C program, and we assume that all systems which
+ can share this executable will have the same full pathname to
+ 'csh.'
+
+full_sed (Loc_sed.U):
+ This variable contains the full pathname to 'sed', whether or
+ not the user has specified 'portability'. This is only used
+ in the compiled C program, and we assume that all systems which
+ can share this executable will have the same full pathname to
+ 'sed.'
+
+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.
+
+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.
+
+i_dirent (i_dirent.U):
+ This variable conditionally defines I_DIRENT, which indicates
+ to the C program that it should include <dirent.h>.
+
+i_dlfcn (i_dlfcn.U):
+ This variable conditionally defines the I_DLFCN symbol, which
+ indicates to the C program that <dlfcn.h> exists and should
+ be included.
+
+i_fcntl (i_fcntl.U):
+ This variable controls the value of I_FCNTL (which tells
+ the C program to include <fcntl.h>).
+
+i_float (i_float.U):
+ This variable conditionally defines the I_FLOAT symbol, and indicates
+ whether a C program may include <float.h> to get symbols like DBL_MAX
+ or DBL_MIN, i.e. machine dependent floating point values.
+
+i_grp (i_grp.U):
+ This variable conditionally defines the I_GRP symbol, and indicates
+ whether a C program should include <grp.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
+ and friends.
+
+i_locale (i_locale.U):
+ This variable conditionally defines the I_LOCALE symbol,
+ and indicates whether a C program should include <locale.h>.
+
+i_math (i_math.U):
+ This variable conditionally defines the I_MATH symbol, and indicates
+ whether a C program may include <math.h>.
+
+i_memory (i_memory.U):
+ This variable conditionally defines the I_MEMORY symbol, and indicates
+ whether a C program should include <memory.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
+ be included.
+
+i_niin (i_niin.U):
+ This variable conditionally defines I_NETINET_IN, which indicates
+ to the C program that it should include <netinet/in.h>. Otherwise,
+ you may try <sys/in.h>.
+
+i_pwd (i_pwd.U):
+ This variable conditionally defines I_PWD, which indicates
+ to the C program that it should include <pwd.h>.
+
+i_rpcsvcdbm (i_dbm.U):
+ This variable conditionally defines the I_RPCSVC_DBM symbol, which
+ indicates to the C program that <rpcsvc/dbm.h> exists and should
+ be included. Some System V systems might need this instead of <dbm.h>.
+
+i_sfio (i_sfio.U):
+ This variable conditionally defines the I_SFIO symbol,
+ and indicates whether a C program should include <sfio.h>.
+
+i_sgtty (i_termio.U):
+ This variable conditionally defines the I_SGTTY symbol, which
+ indicates to the C program that it should include <sgtty.h> rather
+ than <termio.h>.
+
+i_stdarg (i_varhdr.U):
+ This variable conditionally defines the I_STDARG symbol, which
+ indicates to the C program that <stdarg.h> exists and should
+ be included.
+
+i_stddef (i_stddef.U):
+ This variable conditionally defines the I_STDDEF symbol, which
+ indicates to the C program that <stddef.h> exists and should
+ be included.
+
+i_stdlib (i_stdlib.U):
+ This variable conditionally defines the I_STDLIB symbol, which
+ indicates to the C program that <stdlib.h> exists and should
+ be included.
+
+i_string (i_string.U):
+ This variable conditionally defines the I_STRING symbol, which
+ indicates that <string.h> should be included rather than <strings.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>.
+
+i_sysfile (i_sysfile.U):
+ 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_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
+ be included.
+
+i_sysndir (i_sysndir.U):
+ This variable conditionally defines the I_SYS_NDIR symbol, and indicates
+ whether a C program should include <sys/ndir.h>.
+
+i_sysparam (i_sysparam.U):
+ This variable conditionally defines the I_SYS_PARAM symbol, and indicates
+ whether a C program should include <sys/param.h>.
+
+i_sysresrc (i_sysresrc.U):
+ This variable conditionally defines the I_SYS_RESOURCE symbol,
+ and indicates whether a C program should include <sys/resource.h>.
+
+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_sysstat (i_sysstat.U):
+ This variable conditionally defines the I_SYS_STAT symbol,
+ and indicates whether a C program should include <sys/stat.h>.
+
+i_systime (i_time.U):
+ This variable conditionally defines I_SYS_TIME, which indicates
+ to the C program that it should include <sys/time.h>.
+
+i_systimek (i_time.U):
+ This variable conditionally defines I_SYS_TIME_KERNEL, which
+ indicates to the C program that it should include <sys/time.h>
+ with KERNEL defined.
+
+i_systimes (i_systimes.U):
+ This variable conditionally defines the I_SYS_TIMES symbol, and indicates
+ whether a C program should include <sys/times.h>.
+
+i_systypes (i_systypes.U):
+ This variable conditionally defines the I_SYS_TYPES symbol,
+ and indicates whether a C program should include <sys/types.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
+ domain socket definitions.
+
+i_syswait (i_syswait.U):
+ This variable conditionally defines I_SYS_WAIT, which indicates
+ to the C program that it should include <sys/wait.h>.
+
+i_termio (i_termio.U):
+ This variable conditionally defines the I_TERMIO symbol, which
+ indicates to the C program that it should include <termio.h> rather
+ than <sgtty.h>.
+
+i_termios (i_termio.U):
+ This variable conditionally defines the I_TERMIOS symbol, which
+ indicates to the C program that the POSIX <termios.h> file is
+ to be included.
+
+i_time (i_time.U):
+ This variable conditionally defines I_TIME, which indicates
+ to the C program that it should include <time.h>.
+
+i_unistd (i_unistd.U):
+ This variable conditionally defines the I_UNISTD symbol, and indicates
+ whether a C program should include <unistd.h>.
+
+i_utime (i_utime.U):
+ This variable conditionally defines the I_UTIME symbol, and indicates
+ whether a C program should include <utime.h>.
+
+i_values (i_values.U):
+ This variable conditionally defines the I_VALUES symbol, and indicates
+ whether a C program may include <values.h> to get symbols like MAXLONG
+ and friends.
+
+i_varargs (i_varhdr.U):
+ This variable conditionally defines I_VARARGS, which indicates
+ to the C program that it should include <varargs.h>.
+
+i_varhdr (i_varhdr.U):
+ Contains the name of the header to be included to get va_dcl definition.
+ Typically one of varargs.h or stdarg.h.
+
+i_vfork (i_vfork.U):
+ This variable conditionally defines the I_VFORK symbol, and indicates
+ whether a C program should include vfork.h.
+
+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.
+
+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.
+
+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.
+
+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
+ the Makefile to use this.
+
+ld (dlsrc.U):
+ This variable indicates the program to be used to link
+ libraries for dynamic loading. On some systems, it is 'ld'.
+ On ELF systems, it should be $cc. Mostly, we'll try to respect
+ the hint file setting.
+
+lddlflags (dlsrc.U):
+ This variable contains any special flags that might need to be
+ passed to $ld to create a shared library suitable for dynamic
+ loading. It is up to the makefile to use it. For hpux, it
+ should be -b. For sunos 4.1, it is empty.
+
+ldflags (ccflags.U):
+ This variable contains any additional C loader flags desired by
+ the user. It is up to the Makefile to use this.
+
+lib_ext (Unix.U):
+ This variable defines the extension used for ordinary libraries.
+ For unix, it is '.a'. The '.' is included. Other possible
+ values include '.lib'.
+
+libperl (libperl.U):
+ The perl executable is obtained by linking perlmain.c with
+ libperl, any static extensions (usually just DynaLoader),
+ and any other libraries needed on this system. libperl
+ is usually libperl.a, but can also be libperl.so.xxx if
+ the user wishes to build a perl executable with a shared
+ library.
+
+libs (libs.U):
+ This variable holds the additional libraries we want to use.
+ It is up to the Makefile to deal with it.
+
+lns (lns.U):
+ This variable holds the name of the command to make
+ symbolic links (if they are supported). It can be used
+ in the Makefile. It is either 'ln -s' or 'ln'
+
+lseektype (lseektype.U):
+ This variable defines lseektype to be something like off_t, long,
+ or whatever type is used to declare lseek offset's type in the
+ kernel (which also appears to be lseek's return type).
+
+make (make.U):
+ This variable sets the path to the 'make' command. It is
+ here rather than in Loc.U so that users can override it
+ with Configure -Dmake=pmake, or equivalent.
+
+make_set_make (make.U):
+ Some versions of 'make' set the variable MAKE. Others do not.
+ This variable contains the string to be included in Makefile.SH
+ so that MAKE is set if needed, and not if not needed.
+ Possible values are:
+ make_set_make='#' # If your make program handles this for you,
+ make_set_make=$make # if it doesn't.
+ I used a comment character so that we can distinguish a
+ 'set' value (from a previous config.sh or Configure -D option)
+ from an uncomputed value.
+
+mallocobj (mallocsrc.U):
+ This variable contains the name of the malloc.o that this package
+ generates, if that malloc.o is preferred over the system malloc.
+ Otherwise the value is null. This variable is intended for generating
+ Makefiles. See mallocsrc.
+
+mallocsrc (mallocsrc.U):
+ This variable contains the name of the malloc.c that comes with
+ the package, if that malloc.c is preferred over the system malloc.
+ Otherwise the value is null. This variable is intended for generating
+ Makefiles.
+
+malloctype (mallocsrc.U):
+ This variable contains the kind of ptr returned by malloc and realloc.
+
+man1dir (man1dir.U):
+ This variable contains the name of the directory in which manual
+ source pages are to be put. It is the responsibility of the
+ Makefile.SH to get the value of this into the proper command.
+ You must be prepared to do the ~name expansion yourself.
+
+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 '.'.
+ See man1dir.
+
+man3dir (man3dir.U):
+ This variable contains the name of the directory in which manual
+ source pages are to be put. It is the responsibility of the
+ Makefile.SH to get the value of this into the proper command.
+ You must be prepared to do the ~name expansion yourself.
+
+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.
+
+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.
+
+n (n.U):
+ 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".
+
+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.
+
+optimize (ccflags.U):
+ This variable contains any optimizer/debugger flag that should be used.
+ It is up to the Makefile to use it.
+
+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.
+
+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.
+
+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.
+
+perladmin (perladmin.U):
+ Electronic mail address of the perl5 administrator.
+
+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
+ executables go in /usr/local/bin, library stuff in /usr/local/lib,
+ 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.
+
+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
+ have a ~ on the front. It is up to the makefile to eventually create
+ this directory while performing installation (with ~ substitution).
+
+privlibexp (privlib.U):
+ This variable is the ~name expanded version of privlib, so that you
+ may use it directly in Makefiles or shell scripts.
+
+prototype (prototype.U):
+ 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.
+
+ranlib (orderlib.U):
+ This variable is set to the pathname of the ranlib program, if it is
+ needed to generate random libraries. Set to ":" if ar can generate
+ random libraries or if random libraries are not supported
+
+rd_nodata (nblock_io.U):
+ This variable holds the return code from read() when no data is
+ present. It should be -1, but some systems return 0 when O_NDELAY is
+ used, which is a shame because you cannot make the difference between
+ no data and an EOF.. Sigh!
+
+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
+ the same directory as for binaries, or a special one that can be
+ mounted across different architectures, like /usr/share. Programs
+ must be prepared to deal with ~name expansion.
+
+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.
+
+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.
+ 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
+
+shmattype (d_shmat.U):
+ This symbol contains the type of pointer returned by shmat().
+ It can be 'void *' or 'char *'.
+
+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_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.
+
+signal_t (d_voidsig.U):
+ This variable holds the type of the signal handler (void or int).
+
+sitearch (sitearch.U):
+ This variable contains the eventual value of the SITEARCH symbol,
+ which is the name of the private library for this package. It may
+ have a ~ on the front. It is up to the makefile to eventually create
+ this directory while performing installation (with ~ substitution).
+
+sitearchexp (sitearch.U):
+ This variable is the ~name expanded version of sitearch, so that you
+ may use it directly in Makefiles or shell scripts.
+
+sitelib (sitelib.U):
+ This variable contains the eventual value of the SITELIB symbol,
+ which is the name of the private library for this package. It may
+ have a ~ on the front. It is up to the makefile to eventually create
+ this directory while performing installation (with ~ substitution).
+
+sitelibexp (sitelib.U):
+ This variable is the ~name expanded version of sitelib, so that you
+ may use it directly in Makefiles or shell scripts.
+
+sizetype (sizetype.U):
+ This variable defines sizetype to be something like size_t,
+ unsigned long, or whatever type is used to declare length
+ parameters for string functions.
+
+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.
+
+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.
+
+split (models.U):
+ This variable contains a flag which will tell the C compiler and loader
+ to produce a program that will run in separate I and D space, for those
+ machines that support separation of instruction and data space. It is
+ up to the Makefile to use this.
+
+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
+ of bytes or an error condition. It must be a signed type.
+ We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
+
+startperl (startperl.U):
+ This variable contains the string to put on the front of a perl
+ script to make sure (hopefully) that it runs with perl and not some
+ shell. Of course, that leading line must be followed by the classical
+ perl idiom:
+ eval 'exec perl -S $0 "$@"'
+ 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.
+
+startsh (startsh.U):
+ This variable contains the string to put on the front of a shell
+ script to make sure (hopefully) that it runs with sh and not some
+ other shell.
+
+static_ext (Extensions.U):
+ This variable holds a list of 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".
+
+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.
+
+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.
+
+useperlio (useperlio.U):
+ This variable conditionally defines the USE_PERLIO symbol,
+ and indicates that the PerlIO abstraction should be
+ used throughout.
+
+useshrplib (libperl.U):
+ This variable is set to 'yes' if the user wishes
+ to build a shared libperl, and 'no' otherwise.
+
+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.
+
projects / p5sagit/p5-mst-13.2.git / commitdiff