This variable is by default set to '/afs'. In the unlikely case
this is not the correct root, it is possible to override this with
a hint value or command line option. This will be used in subsequent
- tests for AFSness in the Perl configure and test process.
+ tests for AFSness in the configure and test process.
alignbytes (alignbytes.U):
This variable holds the number of bytes required to align a
bash (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
bin (bin.U):
This variable holds the name of the directory in which the user wants
is most often a local directory such as /usr/local/bin. Programs using
this variable must be prepared to deal with ~name substitution.
+bin_ELF (dlsrc.U):
+ This variable saves the result from configure if generated binaries
+ are in ELF format. Only set to defined when the test has actually
+ been performed, and the result was positive.
+
binexp (bin.U):
This is the same as the bin variable, but is filename expanded at
configuration time, for use in your makefiles.
Holds the output of the "date" command when the configuration file was
produced. This is used to tag both config.sh and config_h.SH.
+charbits (charsize.U):
+ This variable contains the value of the CHARBITS symbol, which
+ indicates to the C program how many bits there are in a character.
+
charsize (charsize.U):
This variable contains the value of the CHARSIZE symbol, which
indicates to the C program how many bytes there are in a character.
chgrp (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
chmod (Loc.U):
This variable is used internally by Configure to determine the
chown (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
clocktype (d_times.U):
This variable holds the type returned by times(). It can be long,
compress (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+config_arg0 (Options.U):
+ This variable contains the string used to invoke the Configure
+ command, as reported by the shell in the $0 variable.
+
+config_argc (Options.U):
+ This variable countains the number of command-line arguments
+ passed to Configure, as reported by the shell in the $# variable.
+ The individual arguments are stored as variables config_argc1,
+ config_argc2, etc.
+
+config_args (Options.U):
+ This variable contains a single string giving the command-line
+ arguments passed to Configure. Spaces within arguments,
+ quotes, and escaped characters are not correctly preserved.
+ To reconstruct the command line, you must assemble the individual
+ command line pieces, given in config_arg[0-9]*.
contains (contains.U):
This variable holds the command to do a grep with a proper return
cpio (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
cpp (Loc.U):
This variable is used internally by Configure to determine the
of architecture-dependent library files for $package. If
$archlib is the same as $privlib, then this is set to undef.
+d_asctime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_ASCTIME64 symbol, which
+ indicates to the C program that the asctime64 () routine is available.
+
d_asctime_r (d_asctime_r.U):
This variable conditionally defines the HAS_ASCTIME_R symbol,
which indicates to the C program that the asctime_r()
This variable conditionally defines the HAS_ATOLL symbol, which
indicates to the C program that the atoll() routine is available.
+d_attribute_deprecated (d_attribut.U):
+ This variable conditionally defines HASATTRIBUTE_DEPRECATED, which
+ indicates that GCC can handle the attribute for marking deprecated
+ APIs
+
d_attribute_format (d_attribut.U):
This variable conditionally defines HASATTRIBUTE_FORMAT, which
indicates the C compiler can check for printf-like formats.
indicates to the C program that the copysignl() routine is available.
If aintl is also present we can emulate modfl.
+d_cplusplus (d_cplusplus.U):
+ This variable conditionally defines the USE_CPLUSPLUS symbol, which
+ indicates that a C++ compiler was used to compiled Perl and will be
+ used to compile extensions.
+
d_crypt (d_crypt.U):
This variable conditionally defines the CRYPT symbol, which
indicates to the C program that the crypt() routine is available
This variable conditionally defines the CSH symbol, which
indicates to the C program that the C-shell exists.
+d_ctermid (d_ctermid.U):
+ This variable conditionally defines CTERMID if ctermid() is
+ available to generate filename for terminal.
+
d_ctermid_r (d_ctermid_r.U):
This variable conditionally defines the HAS_CTERMID_R symbol,
which indicates to the C program that the ctermid_r()
routine is available.
+d_ctime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_CTIME64 symbol, which
+ indicates to the C program that the ctime64 () routine is available.
+
d_ctime_r (d_ctime_r.U):
This variable conditionally defines the HAS_CTIME_R symbol,
which indicates to the C program that the ctime_r()
This variable conditionally defines the HAS_DIFFTIME symbol, which
indicates to the C program that the difftime() routine is available.
+d_difftime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_DIFFTIME64 symbol, which
+ indicates to the C program that the difftime64 () routine is available.
+
+d_dir_dd_fd (d_dir_dd_fd.U):
+ This variable conditionally defines the HAS_DIR_DD_FD symbol, which
+ indicates that the DIR directory stream type contains a member
+ variable called dd_fd.
+
d_dirfd (d_dirfd.U):
This variable conditionally defines the HAS_DIRFD constant,
which indicates to the C program that dirfd() is available
call-back unit so that long doubles can be formatted without
loss of precision.
+d_gdbm_ndbm_h_uses_prototypes (i_ndbm.U):
+ This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
+ which indicates that the gdbm-ndbm.h include file uses real ANSI C
+ prototypes instead of K&R style function declarations. K&R style
+ declarations are unsupported in C++, so the include file requires
+ special handling when using a C++ compiler and this variable is
+ undefined. Consult the different d_*ndbm_h_uses_prototypes variables
+ to get the same information for alternative ndbm.h include files.
+
+d_gdbmndbm_h_uses_prototypes (i_ndbm.U):
+ This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
+ which indicates that the gdbm/ndbm.h include file uses real ANSI C
+ prototypes instead of K&R style function declarations. K&R style
+ declarations are unsupported in C++, so the include file requires
+ special handling when using a C++ compiler and this variable is
+ undefined. Consult the different d_*ndbm_h_uses_prototypes variables
+ to get the same information for alternative ndbm.h include files.
+
+d_getaddrinfo (d_getaddrinfo.U):
+ This variable conditionally defines the HAS_GETADDRINFO symbol,
+ which indicates to the C program that the getaddrinfo() function
+ is available.
+
d_getcwd (d_getcwd.U):
This variable conditionally defines the HAS_GETCWD symbol, which
indicates to the C program that the getcwd() routine is available
indicates to the C program that the getmntent() routine is available
to iterate through mounted files to get their mount info.
+d_getnameinfo (d_getnameinfo.U):
+ This variable conditionally defines the HAS_GETNAMEINFO symbol,
+ which indicates to the C program that the getnameinfo() function
+ is available.
+
d_getnbyaddr (d_getnbyad.U):
This variable conditionally defines the HAS_GETNETBYADDR symbol, which
indicates to the C program that the getnetbyaddr() routine is available
indicates that the gettimeofday() system call exists (to obtain a
sub-second accuracy clock). You should probably include <sys/resource.h>.
+d_gmtime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_GMTIME64 symbol, which
+ indicates to the C program that the gmtime64 () routine is available.
+
d_gmtime_r (d_gmtime_r.U):
This variable conditionally defines the HAS_GMTIME_R symbol,
which indicates to the C program that the gmtime_r()
indicates to the C program that the inet_aton() function is available
to parse IP address "dotted-quad" strings.
+d_inetntop (d_inetntop.U):
+ This variable conditionally defines the HAS_INETNTOP symbol,
+ which indicates to the C program that the inet_ntop() function
+ is available.
+
+d_inetpton (d_inetpton.U):
+ This variable conditionally defines the HAS_INETPTON symbol,
+ which indicates to the C program that the inet_pton() function
+ is available.
+
d_int64_t (d_int64_t.U):
This symbol will be defined if the C compiler supports int64_t.
This variable conditionally defines HAS_LINK if link() is
available to create hard links.
+d_localtime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_LOCALTIME64 symbol, which
+ indicates to the C program that the localtime64 () routine is available.
+
d_localtime_r (d_localtime_r.U):
This variable conditionally defines the HAS_LOCALTIME_R symbol,
which indicates to the C program that the localtime_r()
routine is available.
+d_localtime_r_needs_tzset (d_localtime_r.U):
+ This variable conditionally defines the LOCALTIME_R_NEEDS_TZSET
+ symbol, which makes us call tzset before localtime_r()
+
d_locconv (d_locconv.U):
This variable conditionally defines HAS_LOCALECONV if localeconv() is
available for numeric and monetary formatting conventions.
This variable conditionally defines the HAS_MKTIME symbol, which
indicates to the C program that the mktime() routine is available.
+d_mktime64 (d_timefuncs64.U):
+ This variable conditionally defines the HAS_MKTIME64 symbol, which
+ indicates to the C program that the mktime64 () routine is available.
+
d_mmap (d_mmap.U):
This variable conditionally defines HAS_MMAP if mmap() is
available to map a file into memory.
of the source want to take special action if MYMALLOC is used.
This may include different sorts of profiling or error detection.
+d_ndbm (i_ndbm.U):
+ This variable conditionally defines the HAS_NDBM symbol, which
+ indicates that both the ndbm.h include file and an appropriate ndbm
+ library exist. Consult the different i_*ndbm variables
+ to find out the actual include location. Sometimes, a system has the
+ header file but not the library. This variable will only be set if
+ the system has both.
+
+d_ndbm_h_uses_prototypes (i_ndbm.U):
+ This variable conditionally defines the NDBM_H_USES_PROTOTYPES symbol,
+ which indicates that the ndbm.h include file uses real ANSI C
+ prototypes instead of K&R style function declarations. K&R style
+ declarations are unsupported in C++, so the include file requires
+ special handling when using a C++ compiler and this variable is
+ undefined. Consult the different d_*ndbm_h_uses_prototypes variables
+ to get the same information for alternative ndbm.h include files.
+
d_nice (d_nice.U):
This variable conditionally defines the HAS_NICE symbol, which
indicates to the C program that the nice() routine is available.
indicates to the C program that it should not assume that it is
running on the machine it was compiled on.
+d_prctl (d_prctl.U):
+ This variable conditionally defines the HAS_PRCTL symbol, which
+ indicates to the C program that the prctl() routine is available.
+
+d_prctl_set_name (d_prctl.U):
+ This variable conditionally defines the HAS_PRCTL_SET_NAME symbol,
+ which indicates to the C program that the prctl() routine supports
+ the PR_SET_NAME option.
+
d_PRId64 (quadfio.U):
This variable conditionally defines the PERL_PRId64 symbol, which
indiciates that stdio has a symbol to print 64-bit decimal numbers.
This variable conditionally defines the PERL_PRIi64 symbol, which
indiciates that stdio has a symbol to print 64-bit decimal numbers.
+d_printf_format_null (d_attribut.U):
+ This variable conditionally defines PRINTF_FORMAT_NULL_OK, which
+ indicates the C compiler allows printf-like formats to be null.
+
d_PRIo64 (quadfio.U):
This variable conditionally defines the PERL_PRIo64 symbol, which
indiciates that stdio has a symbol to print 64-bit octal numbers.
Defined if $procselfexe is symlink to the absolute
pathname of the executing program.
+d_pseudofork (d_vfork.U):
+ This variable conditionally defines the HAS_PSEUDOFORK symbol,
+ which indicates that an emulation of the fork routine is available.
+
d_pthread_atfork (d_pthread_atfork.U):
This variable conditionally defines the HAS_PTHREAD_ATFORK symbol,
which indicates to the C program that the pthread_atfork()
This variable conditionally defines the HAS_SIGACTION symbol, which
indicates that the Vr4 sigaction() routine is available.
+d_signbit (d_signbit.U):
+ This variable conditionally defines the HAS_SIGNBIT symbol, which
+ indicates to the C program that the signbit() routine is available
+ and safe to use with perl's intern NV type.
+
d_sigprocmask (d_sigprocmask.U):
This variable conditionally defines HAS_SIGPROCMASK
if sigprocmask() is available to examine or change the signal mask
which indicates that the sigsetjmp() routine is available to
call setjmp() and optionally save the process's signal mask.
+d_sin6_scope_id (d_socket.U):
+ This variable conditionally defines the HAS_SIN6_SCOPE_ID symbol, which
+ indicates that a struct sockaddr_in6 structure has the sin6_scope_id
+ member.
+
d_sitearch (sitearch.U):
This variable conditionally defines SITEARCH to hold the pathname
of architecture-dependent library files for $package. If
indicates to the C program that the snprintf () library function
is available.
+d_sockaddr_sa_len (d_socket.U):
+ This variable conditionally defines the HAS_SOCKADDR_SA_LEN symbol,
+ which indicates that a struct sockaddr structure has the sa_len
+ member.
+
d_sockatmark (d_sockatmark.U):
This variable conditionally defines the HAS_SOCKATMARK symbol, which
indicates to the C program that the sockatmark() routine is available.
This variable conditionally defines the HAS_STRUCT_STATFS symbol,
which indicates that the struct statfs is supported.
+d_static_inline (d_static_inline.U):
+ This variable conditionally defines the HAS_STATIC_INLINE symbol,
+ which indicates that the C compiler supports C99-style static
+ inline. That is, the function can't be called from another
+ translation unit.
+
d_statvfs (d_statvfs.U):
This variable conditionally defines the HAS_STATVFS symbol, which
indicates to the C program that the statvfs() routine is available.
that the time() routine exists. The time() routine is normaly
provided on UNIX systems.
+d_timegm (d_timegm.U):
+ This variable conditionally defines the HAS_TIMEGM symbol, which
+ indicates to the C program that the timegm () routine is available.
+
d_times (d_times.U):
This variable conditionally defines the HAS_TIMES symbol, which indicates
that the times() routine exists. The times() routine is normaly
REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
is defined.
+dtrace (usedtrace.U):
+ This variable holds the location of the dtrace executable.
+
dynamic_ext (Extensions.U):
This variable holds a list of XS extension files we want to
link dynamically into the package. It is used by Makefile.
emacs (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
endgrent_r_proto (d_endgrent_r.U):
This variable encodes the prototype of endgrent_r.
and is typically used to test whether a particular extesion
is available.
+extern_C (Csym.U):
+ ANSI C requires 'extern' where C++ requires 'extern "C"'. This
+ variable can be used in Configure to do the right thing.
+
extras (Extras.U):
This variable holds a list of extra modules to install.
find (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
firstmakefile (Unix.U):
This variable defines the first file searched by make. On unix,
flex (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
fpossize (fpossize.U):
This variable contains the size of a fpostype in bytes.
This variable conditionally defines the I_ARPA_INET symbol,
and indicates whether a C program should include <arpa/inet.h>.
+i_assert (i_assert.U):
+ This variable conditionally defines the I_ASSERT symbol, which
+ indicates to the C program that <assert.h> exists and could be
+ included.
+
i_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
indicates to the C program that <gdbm.h> exists and should
be included.
+i_gdbm_ndbm (i_ndbm.U):
+ This variable conditionally defines the I_GDBM_NDBM symbol, which
+ indicates to the C program that <gdbm-ndbm.h> exists and should
+ be included. This is the location of the ndbm.h compatibility file
+ in Debian 4.0.
+
+i_gdbmndbm (i_ndbm.U):
+ This variable conditionally defines the I_GDBMNDBM symbol, which
+ indicates to the C program that <gdbm/ndbm.h> exists and should
+ be included. This was the location of the ndbm.h compatibility file
+ in RedHat 7.1.
+
i_grp (i_grp.U):
This variable conditionally defines the I_GRP symbol, and indicates
whether a C program should include <grp.h>.
This variable conditionally defines the I_MALLOC symbol, and indicates
whether a C program should include <malloc.h>.
+i_mallocmalloc (i_mallocmalloc.U):
+ This variable conditionally defines the I_MALLOCMALLOC symbol,
+ and indicates whether a C program should include <malloc/malloc.h>.
+
i_math (i_math.U):
This variable conditionally defines the I_MATH symbol, and indicates
whether a C program may include <math.h>.
This variable conditionally defines the I_SYS_PARAM symbol, and indicates
whether a C program should include <sys/param.h>.
+i_syspoll (i_syspoll.U):
+ This variable conditionally defines the I_SYS_POLL symbol, which
+ indicates to the C program that it should include <sys/poll.h>.
+
i_sysresrc (i_sysresrc.U):
This variable conditionally defines the I_SYS_RESOURCE symbol,
and indicates whether a C program should include <sys/resource.h>.
inews (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
initialinstalllocation (bin.U):
When userelocatableinc is true, this variable holds the location
ksh (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
ld (dlsrc.U):
This variable indicates the program to be used to link
line (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
lint (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
lkflags (ccflags.U):
This variable contains any additional C partial linker flags desired by
lp (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
lpr (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
ls (Loc.U):
This variable is used internally by Configure to determine the
mail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
mailx (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
make (Loc.U):
This variable is used internally by Configure to determine the
make_set_make="MAKE=$make" # if it doesn't.
- This uses a comment character to distinguish a
+ This uses a comment character so that we can distinguish a
'set' value (from a previous config.sh or Configure '-D' option)
from an uncomputed value.
have: one of 'n', 'l', or '3'. The Makefile must supply the '.'.
See man3dir.
-Mcc (Loc.U):
- This variable is used internally by Configure to determine the
- full pathname (if any) of the Mcc program. After Configure runs,
- the value is reset to a plain "Mcc" and is not useful.
-
mips_type (usrinc.U):
This variable holds the environment type for the mips system.
Possible values are "BSD 4.3" and "System V".
mv (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
myarchname (archname.U):
This variable holds the architecture name computed by Configure in
full pathname (if any) of the nroff program. After Configure runs,
the value is reset to a plain "nroff" and is not useful.
+nv_overflows_integers_at (perlxv.U):
+ This variable gives the largest integer value that NVs can hold
+ as a constant floating point expression.
+ If it could not be determined, it holds the value 0.
+
nv_preserves_uv_bits (perlxv.U):
This variable indicates how many of bits type uvtype
a variable nvtype can preserve.
used to separate elements in the command shell search PATH.
perl (Loc.U):
- This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ This variable is used internally by Configure to determine the
+ full pathname (if any) of the perl program. After Configure runs,
+ the value is reset to a plain "perl" and is not useful.
perl5 (perl5.U):
This variable contains the full path (if any) to a previously
In a Perl version number such as 5.6.2, this is the 5.
This value is manually set in patchlevel.h
+perl_static_inline (d_static_inline.U):
+ This variable defines the PERL_STATIC_INLINE symbol to
+ the best-guess incantation to use for static inline functions.
+ Possibilities include
+ static inline (c99)
+ static __inline__ (gcc -ansi)
+ static __inline (MSVC)
+ static _inline (older MSVC)
+ static (c89 compilers)
+
PERL_SUBVERSION (Oldsyms.U):
In a Perl version number such as 5.6.2, this is the 2.
Values greater than 50 represent potentially unstable
pmake (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
pr (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
prefix (prefix.U):
This variable holds the name of the directory below which the
full pathname (if any) of the rm program. After Configure runs,
the value is reset to a plain "rm" and is not useful.
+rm_try (Unix.U):
+ This is a cleanup variable for try test programs.
+ Internal Configure use only.
+
rmail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
run (Cross.U):
This variable contains the command used by Configure
sendmail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
setgrent_r_proto (d_setgrent_r.U):
This variable encodes the prototype of setgrent_r.
REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
is defined.
+sGMTIME_max (time_size.U):
+ This variable defines the maximum value of the time_t offset that
+ the system function gmtime () accepts
+
+sGMTIME_min (time_size.U):
+ This variable defines the minimum value of the time_t offset that
+ the system function gmtime () accepts
+
sh (sh.U):
This variable contains the full pathname of the shell used
on this system to execute Bourne shell scripts. Usually, this will be
shar (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
sharpbang (spitshell.U):
This variable contains the string #! if this system supports that
sleep (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
+
+sLOCALTIME_max (time_size.U):
+ This variable defines the maximum value of the time_t offset that
+ the system function localtime () accepts
+
+sLOCALTIME_min (time_size.U):
+ This variable defines the minimum value of the time_t offset that
+ the system function localtime () accepts
smail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
so (so.U):
This variable holds the extension used to identify shared libraries
is defined.
src (src.U):
- This variable holds the path to the package source. It is up to
- the Makefile to use this variable and set VPATH accordingly to
- find the sources remotely.
+ This variable holds the (possibly relative) path of the package source.
+ It is up to the Makefile to use this variable and set VPATH accordingly
+ to find the sources remotely. Use $pkgsrc to have an absolute path.
sSCNfldbl (longdblfio.U):
This variable, if defined, contains the string used by stdio to
submit (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
subversion (patchlevel.U):
The subversion level of this package.
tail (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
tar (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
targetarch (Cross.U):
If cross-compiling, this variable contains the target architecture.
tbl (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
tee (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
test (Loc.U):
This variable is used internally by Configure to determine the
troff (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
ttyname_r_proto (d_ttyname_r.U):
This variable encodes the prototype of ttyname_r.
use5005threads (usethreads.U):
This variable conditionally defines the USE_5005THREADS symbol,
and indicates that Perl should be built to use the 5.005-based
- threading implementation.
+ threading implementation. Only valid up to 5.8.x.
use64bitall (use64bits.U):
This variable conditionally defines the USE_64_BIT_ALL symbol,
This variable conditionally defines the USE_CROSS_COMPILE symbol,
and indicates that Perl has been cross-compiled.
+usedevel (Devel.U):
+ This variable indicates that Perl was configured with development
+ features enabled. This should not be done for production builds.
+
usedl (dlsrc.U):
This variable indicates if the system supports dynamic
loading of some sort. See also dlsrc and dlobj.
+usedtrace (usedtrace.U):
+ This variable indicates whether we are compiling with dtrace
+ support. See also dtrace.
+
usefaststdio (usefaststdio.U):
This variable conditionally defines the USE_FAST_STDIO symbol,
and indicates that Perl should be built to use 'fast stdio'.
uuname (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
uvoformat (perlxvf.U):
This variable contains the format string used for printing
This variable contains the format string used for printing
a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF.
+vaproto (vaproto.U):
+ This variable conditionally defines CAN_VAPROTO on systems supporting
+ prototype declaration of functions with a variable number of
+ arguments. See also prototype.
+
vendorarch (vendorarch.U):
This variable contains the value of the PERL_VENDORARCH symbol.
It may have a ~ on the front.
vi (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
voidflags (voidflags.U):
This variable contains the eventual value of the VOIDFLAGS symbol,
zcat (Loc.U):
This variable is defined but not used by Configure.
- The value is a plain '' and is not useful.
+ The value is the empty string and is not useful.
zip (Loc.U):
This variable is used internally by Configure to determine the
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