tells the C program that it should insert setuid emulation code
on hosts which have setuid #! scripts disabled.
+d_double_has_inf (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_INF
+ which indicates that the double type has an infinity.
+
+d_double_has_nan (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_INF
+ which indicates that the double type has a not-a-number.
+
+d_double_has_negative_zero (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_NEGATIVE_ZERO
+ which indicates that the double type has a negative zero.
+
+d_double_has_subnormals (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_HAS_SUBNORMALS
+ which indicates that the double type has subnormals (denormals).
+
+d_double_style_cray (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_CRAY
+ which indicates that the double is the 64-bit CRAY mainframe format.
+
+d_double_style_ibm (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_IBM,
+ which indicates that the double is the 64-bit IBM mainframe format.
+
+d_double_style_ieee (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_IEEE,
+ which indicates that the double is the 64-bit IEEE 754.
+
+d_double_style_vax (longdblfio.U):
+ This variable conditionally defines the symbol DOUBLE_STYLE_VAX,
+ which indicates that the double is the 64-bit VAX format D or G.
+
d_drand48_r (d_drand48_r.U):
This variable conditionally defines the HAS_DRAND48_R symbol,
which indicates to the C program that the drand48_r()
indicates to the C program that the fchmod() routine is available
to change mode of opened files.
+d_fchmodat (d_fsat.U):
+ This variable conditionally defines the HAS_FCHMODAT symbol, which
+ indicates the POSIX fchmodat() function is available.
+
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
This variable conditionally defines the HAS_FUTIMES symbol, which
indicates to the C program that the futimes() routine is available.
+d_gai_strerror (d_gai_strerror.U):
+ This variable conditionally defines the HAS_GAI_STRERROR symbol
+ if the gai_strerror() routine is available and can be used to
+ translate error codes returned by getaddrinfo() into human
+ readable strings.
+
d_Gconvert (d_gconvert.U):
This variable holds what Gconvert is defined as to convert
floating point numbers into strings. By default, Configure
This variable conditionally defines HAS_LINK if link() is
available to create hard links.
+d_linkat (d_fsat.U):
+ This variable conditionally defines the HAS_LINKAT symbol, which
+ indicates the POSIX linkat() function is available.
+
d_llrint (d_llrint.U):
This variable conditionally defines the HAS_LLRINT symbol, which
indicates to the C program that the llrint() routine is available
indicates to the C program that the logb() routine is available
to extract the exponent of x.
+d_long_double_style_ieee (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE
+ if the long double is any of the IEEE 754 style long doubles:
+ LONG_DOUBLE_STYLE_IEEE_STD, LONG_DOUBLE_STYLE_IEEE_EXTENDED,
+ LONG_DOUBLE_STYLE_IEEE_DOUBLEDOUBLE.
+
+d_long_double_style_ieee_doubledouble (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_DOUBLEDOUBLE
+ if the long double is the 128-bit IEEE 754 double-double.
+
+d_long_double_style_ieee_extended (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_EXTENDED
+ if the long double is the 80-bit IEEE 754 extended precision.
+ Note that despite the 'extended' this is less than the 'std',
+ since thisis an extension of the double precision.
+
+d_long_double_style_ieee_std (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_STD
+ if the long double is the 128-bit IEEE 754.
+
+d_long_double_style_vax (d_longdbl.U):
+ This variable conditionally defines LONG_DOUBLE_STYLE_VAX
+ if the long double is the 128-bit VAX format H.
+
d_longdbl (d_longdbl.U):
This variable conditionally defines HAS_LONG_DOUBLE if
the long double type is supported.
indicates to the C program that the memset() routine is available
to set blocks of memory.
+d_memrchr (d_memrchr.U):
+ This variable conditionally defines the HAS_MEMRCHR symbol, which
+ indicates to the C program that the memrchr() routine is available
+ to return a pointer to the last occurrence of a byte in a memory
+ area (or NULL if not found).
+
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
which indicates to the C program that the 3 argument version of
the open(2) function is available.
+d_openat (d_fsat.U):
+ This variable conditionally defines the HAS_OPENAT symbol, which
+ indicates the POSIX openat() 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
indicates to the C program that the rename() routine is available
to rename files.
+d_renameat (d_fsat.U):
+ This variable conditionally defines the HAS_RENAMEAT symbol, which
+ indicates the POSIX renameat() function is available.
+
d_rewinddir (d_readdir.U):
This variable conditionally defines HAS_REWINDDIR if rewinddir() is
available.
This variable conditionally defines HAS_UNION_SEMUN if the
union semun is defined by including <sys/sem.h>.
+d_unlinkat (d_fsat.U):
+ This variable conditionally defines the HAS_UNLINKAT symbol, which
+ indicates the POSIX unlinkat() function isavailable.
+
d_unordered (d_unordered.U):
This variable conditionally defines the HAS_UNORDERED symbol, which
indicates to the C program that the unordered() routine is available.
Berkeley DB found in the <db.h> header file.
For DB version 1 this is always 0.
+default_inc_excludes_dot (defaultincdot.U):
+ When defined, remove the legacy '.' from @INC
+
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
9 = VAX 32bit little endian F float format
10 = VAX 64bit little endian D float format
11 = VAX 64bit little endian G float format
+ 12 = IBM 32bit format
+ 13 = IBM 64bit format
+ 14 = Cray 64bit format
-1 = unknown format.
doublemantbits (mantbits.U):
dtraceobject (dtraceobject.U):
Whether we need to build an object file with the dtrace tool.
+dtracexnolibs (dtraceobject.U):
+ Whether dtrace accepts -xnolibs. If available we call dtrace -h
+ and dtrace -G with -xnolibs to allow dtrace to run in a jail on
+ FreeBSD.
+
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.