this variable must be prepared to deal with ~name substitution.
bincompat5005 (bincompat5005.U):
- This variable contains y if Perl 5.006 should be binary-compatible
- with Perl 5.005.
+ This variable contains y if this version of Perl should be
+ binary-compatible with Perl 5.005.
binexp (bin.U):
This is the same as the bin variable, but is filename expanded at
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'.
+ Fervent ANSI compilers may be called 'c89'. AIX has xlc.
cccdlflags (dlsrc.U):
This variable contains any special flags that might need to be
This variable contains any additional C compiler flags desired by
the user. It is up to the Makefile to use this.
+ccflags_uselargefiles (uselfs.U):
+ This variable contains the compiler flags needed by large file builds
+ and added to ccflags by hints files.
+
ccsymbols (Cppsym.U):
The variable contains the symbols defined by the C compiler alone.
The symbols defined by cpp or by cc when it calls cpp are not in
d_bincompat5005 (bincompat5005.U):
This variable conditionally defines BINCOMPAT5005 so that embed.h
- can take special action if Perl 5.006 should be binary-compatible
- with Perl 5.005. This is impossible for builds that use features
- like threads and multiplicity it is always $undef for those versions.
+ can take special action if this version of Perl should be
+ binary-compatible with Perl 5.005. This is impossible for builds
+ that use features like threads and multiplicity it is always $undef
+ for those versions.
d_bsd (Guess.U):
This symbol conditionally defines the symbol BSD when running on a
This variable conditionally defines HAS_ENDSERVENT if endservent() is
available to close whatever was being used for service queries.
-d_endspent (d_endspent.U):
- This variable conditionally defines HAS_ENDSPENT if endspent() is
- available to finalize the scan of SysV shadow password entries.
-
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_fpos64_t (d_fpos64_t.U):
This symbol will be defined if the C compiler supports fpos64_t.
+d_frexpl (d_frexpl.U):
+ This variable conditionally defines the HAS_FREXPL symbol, which
+ indicates to the C program that the frexpl() routine is available.
+
d_fs_data_s (d_fs_data_s.U):
This variable conditionally defines the HAS_STRUCT_FS_DATA symbol,
which indicates that the struct fs_data is supported.
indicates to the C program that the getcwd() routine is available
to get the current working directory.
+d_getespwnam (d_getespwnam.U):
+ This variable conditionally defines HAS_GETESPWNAM if getespwnam() is
+ available to retrieve enchanced (shadow) password entries by name.
+
d_getfsstat (d_getfsstat.U):
This variable conditionally defines the HAS_GETFSSTAT symbol, which
indicates to the C program that the getfsstat() routine is available.
prototypes for the various getproto*() functions.
See also netdbtype.U for probing for various netdb types.
+d_getprpwnam (d_getprpwnam.U):
+ This variable conditionally defines HAS_GETPRPWNAM if getprpwnam() is
+ available to retrieve protected (shadow) password entries by name.
+
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
prototypes for the various getserv*() functions.
See also netdbtype.U for probing for various netdb types.
-d_getspent (d_getspent.U):
- This variable conditionally defines HAS_GETSPENT if getspent() is
- available to retrieve SysV shadow password entries sequentially.
-
d_getspnam (d_getspnam.U):
This variable conditionally defines HAS_GETSPNAM if getspnam() is
available to retrieve SysV shadow password entries by name.
This variable conditionally defines the HAS_ISASCII constant,
which indicates to the C program that isascii() is available.
+d_isnan (d_isnan.U):
+ This variable conditionally defines the HAS_ISNAN symbol, which
+ indicates to the C program that the isnan() routine is available.
+
+d_isnanl (d_isnanl.U):
+ This variable conditionally defines the HAS_ISNANL symbol, which
+ indicates to the C program that the isnanl() routine 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
This variable conditionally defines HAS_MMAP if mmap() is
available to map a file into memory.
+d_modfl (d_modfl.U):
+ This variable conditionally defines the HAS_MODFL symbol, which
+ indicates to the C program that the modfl() routine is available.
+
d_mprotect (d_mprotect.U):
This variable conditionally defines HAS_MPROTECT if mprotect() is
available to modify the access protection of a memory mapped file.
This variable indicates whether a variable of type nvtype
can preserve all the bits a variable of type uvtype.
+d_nv_preserves_uv_bits (perlxv.U):
+ This variable indicates how many of bits type uvtype
+ a variable nvtype can preserve.
+
d_off64_t (d_off64_t.U):
This symbol will be defined if the C compiler supports off64_t.
indicates to the C program that the pause() routine is available
to suspend a process until a signal is received.
+d_perl_otherlibdirs (otherlibdirs.U):
+ This variable conditionally defines PERL_OTHERLIBDIRS, which
+ contains a colon-separated set of paths for the perl binary to
+ include in @INC. See also otherlibdirs.
+
d_phostname (d_gethname.U):
This variable conditionally defines the HAS_PHOSTNAME symbol, which
contains the shell command which, when fed to popen(), may be
This variable conditionally defines HAS_SETPRIORITY if setpriority()
is available to set a process's priority.
+d_setproctitle (d_setproctitle.U):
+ This variable conditionally defines the HAS_SETPROCTITLE symbol,
+ which indicates to the C program that the setproctitle() routine
+ is available.
+
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
This variable conditionally defines HAS_SETSID if setsid() is
available to set the process group ID.
-d_setspent (d_setspent.U):
- This variable conditionally defines HAS_SETSPENT if setspent() is
- available to initialize the scan of SysV shadow password entries.
-
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
can share this executable will have the same full pathname to
'sed.'
-gccversion (cc.U):
+gccosandvers (gccvers.U):
+ If GNU cc (gcc) is used, this variable the operating system and
+ version used to compile the gcc. It is set to '' if not gcc,
+ or if nothing useful can be parsed as the os version.
+
+gccversion (gccvers.U):
If GNU cc (gcc) is used, this variable holds '1' or '2' to
indicate whether the compiler is version 1 or 2. This is used in
setting some of the default cflags. It is set to '' if not gcc.
This variable conditionally defines the I_INTTYPES symbol,
and indicates whether a C program should include <inttypes.h>.
+i_libutil (i_libutil.U):
+ This variable conditionally defines the I_LIBUTIL symbol, and indicates
+ whether a C program should include <libutil.h>.
+
i_limits (i_limits.U):
This variable conditionally defines the I_LIMITS symbol, and indicates
whether a C program may include <limits.h> to get symbols like WORD_BIT
This variable conditionally defines the I_POLL symbol, and indicates
whether a C program should include <poll.h>.
+i_prot (i_prot.U):
+ This variable conditionally defines the I_PROT symbol, and indicates
+ whether a C program should include <prot.h>.
+
i_pthread (i_pthread.U):
This variable conditionally defines the I_PTHREAD symbol,
and indicates whether a C program should include <pthread.h>.
This variable contains any additional C loader flags desired by
the user. It is up to the Makefile to use this.
+ldflags_uselargefiles (uselfs.U):
+ This variable contains the loader flags needed by large file builds
+ and added to ldflags by hints files.
+
ldlibpthname (libperl.U):
This variable holds the name of the shared library
search path, often LD_LIBRARY_PATH. To get an empty
search. The order is chosen to pick up the c library
ahead of ucb or bsd libraries for SVR4.
+libswanted_uselargefiles (uselfs.U):
+ This variable contains the libraries needed by large file builds
+ and added to ldflags by hints files. It is a space separated list
+ of the library names without the "lib" prefix or any suffix, just
+ like libswanted..
+
line (Loc.U):
This variable is defined but not used by Configure.
The value is a plain '' and is not useful.
full pathname (if any) of the nroff program. After Configure runs,
the value is reset to a plain "nroff" and is not useful.
+nveformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl NV using %e-ish floating point format.
+
+nvEformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl NV using %E-ish floating point format.
+
+nvfformat (perlxvf.U):
+ This variable confains the format string used for printing
+ a Perl NV using %f-ish floating point format.
+
+nvFformat (perlxvf.U):
+ This variable confains the format string used for printing
+ a Perl NV using %F-ish floating point format.
+
+nvgformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl NV using %g-ish floating point format.
+
+nvGformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl NV using %G-ish floating point format.
+
nvsize (perlxv.U):
This variable is the size of an NV in bytes.
same for this package, hints files might just be os_4.0 or
os_4.1, etc., not keeping separate files for each little release.
+otherlibdirs (otherlibdirs.U):
+ This variable contains a colon-separated set of paths for the perl
+ binary to search for additional library files or modules.
+ These directories will be tacked to the end of @INC.
+ Perl will automatically search below each path for version-
+ and architecture-specific directories. See inc_version_list
+ for more details.
+ A value of ' ' means 'none' and is used to preserve this value
+ for the next run through Configure.
+
package (package.U):
This variable contains the name of the package being constructed.
It is primarily intended for the use of later Configure units.
uvxformat (perlxvf.U):
This variable contains the format string used for printing
- a Perl UV as an unsigned hexadecimal integer.
+ a Perl UV as an unsigned hexadecimal integer in lowercase abcdef.
+
+uvXformat (perlxvf.U):
+ This variable contains the format string used for printing
+ a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF.
vendorarch (vendorarch.U):
This variable contains the value of the PERL_VENDORARCH symbol.