A.2.9 -Dname[=def]
Defines the macro symbol name to the preprocessor.
Using this option is equivalent to including a #define directive
at the beginning of the source. You can use multiple -D options.
A.2.9.1 Values
The following table shows the predefined macros. You can use these values
in such preprocessor conditionals as #ifdef.
Table A–2 Predefined Macros
|
Platform
|
Macro Name
|
Notes
|
|
SPARC and x86
|
_ _ARRAYNEW
|
_ _ARRAYNEW is defined if the “array”
forms of operators new and delete are
enabled. See -features=[no%]arraynew for more information.
|
|
|
_ _BUILTIN_VA_ARG_INCR
|
For the _ _builtin_alloca, _ _builtin_va_alist, and _ _builtin_va_arg_incr keywords in varargs.h,
stdarg.h, and sys/varargs.h.
|
|
|
_ _DATE_ _
|
|
|
|
_ _FILE_ _
|
|
|
|
_ _LINE_ _
|
|
|
|
_ _STDC_ _
|
Set to 0 (zero)
|
|
|
_ _SUNPRO_CC=0x590
|
The value of _ _SUNPRO_CC indicates the release
number of the compiler
|
|
|
_ _SUNPRO_CC_COMPAT=4 or _ _SUNPRO_CC_COMPAT=5
|
See A.2.7 –compat[={4|5}]
|
|
|
_ _TIME_ _
|
|
|
|
_ _cplusplus
|
|
|
|
_ _’uname– s’_’uname–
r’
|
Where uname -s is the output of uname –s and uname -r is the output of uname
-r with the invalid characters, such as periods (.), replaced by
underscores, as in -D_ _SunOS_5_9 and -D_ _SunOS_5_10.
|
|
|
_ _unix
|
|
|
|
_ BOOL
|
_BOOL is defined if type bool is enabled. See -features=[no%]bool for more information.
|
|
|
_WCHAR_T
|
|
|
|
unix
|
See Interactions.
|
|
SPARC
|
__SUN_PREFETCH=1
|
|
|
|
__SunOS_OSversion _OSversion
|
|
|
|
_ _SVR4
|
|
|
|
_ _sparc
|
|
|
|
_ _sun
|
|
|
|
sparc
|
See Interactions.
|
|
|
sun
|
See Interactions.
|
|
SPARC v9
|
_ _sparcv9
|
64-bit compilation modes only
|
|
x86
|
i386
|
|
|
|
linux
|
|
|
|
_ _amd64
|
|
|
|
_ _gnu_ _linux_ _
|
|
|
|
_ _i386
|
See Interactions.
|
|
|
_ _ linux
|
|
|
|
_ _ linux_ _
|
|
|
|
_ _x86 _ 64
|
|
If you do not use =def, name is
defined as 1.
Interactions
If +p is used, sun, unix, sparc, and i386 are not defined.
See also
–U
