BOOST_OS operating system macros

`BOOST_OS` operating system macros

`BOOST_OS_AIX`

IBM AIX operating system. Version number available as major, minor, and patch.

Symbol	Version
`_AIX`	detection
`__TOS_AIX__`	detection
`_AIX43`	4.3.0
`_AIX41`	4.1.0
`_AIX32`	3.2.0
`_AIX3`	3.0.0

`BOOST_OS_AMIGAOS`

AmigaOS operating system.

Symbol	Version
`AMIGA`	detection
`__amigaos__`	detection

`BOOST_OS_ANDROID`

Android operating system.

Symbol	Version
`__ANDROID__`	detection

`BOOST_OS_BEOS`

BeOS operating system.

Symbol	Version
`__BEOS__`	detection

`BOOST_OS_BSD`

BSD operating system.

BSD has various branch operating systems possible and each detected individually. This detects the following variations and sets a specific version number macro to match:

BOOST_OS_BSD_DRAGONFLY DragonFly BSD
BOOST_OS_BSD_FREE FreeBSD
BOOST_OS_BSD_BSDI BSDi BSD/OS
BOOST_OS_BSD_NET NetBSD
BOOST_OS_BSD_OPEN OpenBSD

	Note
	The general `BOOST_OS_BSD` is set in all cases to indicate some form of BSD. If the above variants is detected the corresponding macro is also set.

Symbol	Version
`BSD`	detection
`_SYSTYPE_BSD`	detection
`BSD4_2`	4.2.0
`BSD4_3`	4.3.0
`BSD4_4`	4.4.0
`BSD`	V.R.0

`BOOST_OS_CYGWIN`

Cygwin evironment.

Symbol	Version
`__CYGWIN__`	detection

`BOOST_OS_HAIKU`

Haiku operating system.

Symbol	Version
`__HAIKU__`	detection

`BOOST_OS_HPUX`

HP-UX operating system.

Symbol	Version
`hpux`	detection
`_hpux`	detection
`__hpux`	detection

`BOOST_OS_IOS`

iOS operating system.

Symbol	Version
`__APPLE__`	detection
`__MACH__`	detection
`__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__`	detection
`__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__`	__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__*1000

`BOOST_OS_IRIX`

IRIX operating system.

Symbol	Version
`sgi`	detection
`__sgi`	detection

`BOOST_OS_LINUX`

Linux operating system.

Symbol	Version
`linux`	detection
`__linux`	detection

`BOOST_OS_MACOS`

Mac OS operating system.

Symbol	Version
`macintosh`	detection
`Macintosh`	detection
`__APPLE__`	detection
`__MACH__`	detection
`__APPLE__`, `__MACH__`	10.0.0
otherwise	9.0.0

`BOOST_OS_OS400`

IBM OS/400 operating system.

Symbol	Version
`__OS400__`	detection

`BOOST_OS_QNX`

QNX operating system. Version number available as major, and minor if possible. And version 4 is specifically detected.

Symbol	Version
`__QNX__`	detection
`__QNXNTO__`	detection
`_NTO_VERSION`	V.R.0
`__QNX__`	4.0.0

`BOOST_OS_SOLARIS`

Solaris operating system.

Symbol	Version
`sun`	detection
`__sun`	detection

`BOOST_OS_UNIX`

Unix Environment operating system.

Symbol	Version
`unix`	detection
`__unix`	detection
`_XOPEN_SOURCE`	detection
`_POSIX_SOURCE`	detection

`BOOST_OS_SVR4`

SVR4 Environment operating system.

Symbol	Version
`__sysv__`	detection
`__SVR4`	detection
`__svr4__`	detection
`_SYSTYPE_SVR4`	detection

`BOOST_OS_VMS`

VMS operating system.

Symbol	Version
`VMS`	detection
`__VMS`	detection
`__VMS_VER`	V.R.P

`BOOST_OS_WINDOWS`

Microsoft Windows operating system.

Symbol	Version
`_WIN32`	detection
`_WIN64`	detection
`__WIN32__`	detection
`__TOS_WIN__`	detection
`__WINDOWS__`	detection

`BOOST_OS_BSD_BSDI`

BSDi BSD/OS operating system.

Symbol	Version
`__bsdi__`	detection

`BOOST_OS_BSD_DRAGONFLY`

DragonFly BSD operating system.

Symbol	Version
`__DragonFly__`	detection

`BOOST_OS_BSD_FREE`

FreeBSD operating system.

Symbol	Version
`__FreeBSD__`	detection
`__FreeBSD_version`	V.R.P

`BOOST_OS_BSD_NET`

NetBSD operating system.

Symbol	Version
`__NETBSD__`	detection
`__NetBSD__`	detection
`__NETBSD_version`	V.R.P
`NetBSD0_8`	0.8.0
`NetBSD0_9`	0.9.0
`NetBSD1_0`	1.0.0
`__NetBSD_Version`	V.R.P

`BOOST_OS_BSD_OPEN`

OpenBSD operating system.

Symbol	Version
`__OpenBSD__`	detection
`OpenBSD2_0`	2.0.0
`OpenBSD2_1`	2.1.0
`OpenBSD2_2`	2.2.0
`OpenBSD2_3`	2.3.0
`OpenBSD2_4`	2.4.0
`OpenBSD2_5`	2.5.0
`OpenBSD2_6`	2.6.0
`OpenBSD2_7`	2.7.0
`OpenBSD2_8`	2.8.0
`OpenBSD2_9`	2.9.0
`OpenBSD3_0`	3.0.0
`OpenBSD3_1`	3.1.0
`OpenBSD3_2`	3.2.0
`OpenBSD3_3`	3.3.0
`OpenBSD3_4`	3.4.0
`OpenBSD3_5`	3.5.0
`OpenBSD3_6`	3.6.0
`OpenBSD3_7`	3.7.0
`OpenBSD3_8`	3.8.0
`OpenBSD3_9`	3.9.0
`OpenBSD4_0`	4.0.0
`OpenBSD4_1`	4.1.0
`OpenBSD4_2`	4.2.0
`OpenBSD4_3`	4.3.0
`OpenBSD4_4`	4.4.0
`OpenBSD4_5`	4.5.0
`OpenBSD4_6`	4.6.0
`OpenBSD4_7`	4.7.0
`OpenBSD4_8`	4.8.0
`OpenBSD4_9`	4.9.0