BOOST_COMP compiler macros

### `BOOST_COMP` compiler macros

##### `BOOST_COMP_BORLAND`

Borland C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__BORLANDC__` | detection
`__CODEGEARC__` | detection
`__BORLANDC__` | V.R.P
`__CODEGEARC__` | V.R.P

##### `BOOST_COMP_CLANG`

Clang compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__clang__` | detection
`__clang_major__`, `__clang_minor__`, `__clang_patchlevel__` | V.R.P

##### `BOOST_COMP_COMO`

Comeau C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__COMO__` | detection
`__COMO_VERSION__` | V.R.P

##### `BOOST_COMP_DEC`

Compaq C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__DECCXX` | detection
`__DECC` | detection
`__DECCXX_VER` | V.R.P
`__DECC_VER` | V.R.P

##### `BOOST_COMP_DIAB`

Diab C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__DCC__` | detection
`__VERSION_NUMBER__` | V.R.P

##### `BOOST_COMP_DMC`

Digital Mars compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__DMC__` | detection
`__DMC__` | V.R.P

##### `BOOST_COMP_SYSC`

Dignus Systems/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__SYSC__` | detection
`__SYSC_VER__` | V.R.P

##### `BOOST_COMP_EDG`

EDG C++ Frontend compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__EDG__` | detection
`__EDG_VERSION__` | V.R.0

##### `BOOST_COMP_PATH`

EKOpath compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__PATHCC__` | detection
`__PATHCC__`, `__PATHCC_MINOR__`, `__PATHCC_PATCHLEVEL__` | V.R.P

##### `BOOST_COMP_GNUC`

Gnu GCC C/C++ compiler. Version number available as major, minor, and patch (if available).

Symbol | Version
--- | ---
`__GNUC__` | detection
`__GNUC__`, `__GNUC_MINOR__`, `__GNUC_PATCHLEVEL__` | V.R.P
`__GNUC__`, `__GNUC_MINOR__` | V.R.0

##### `BOOST_COMP_GCCXML`

GCC XML compiler.

Symbol | Version
--- | ---
`__GCCXML__` | detection

##### `BOOST_COMP_GHS`

Green Hills C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__ghs` | detection
`__ghs__` | detection
`__GHS_VERSION_NUMBER__` | V.R.P
`__ghs` | V.R.P

##### `BOOST_COMP_HPACC`

HP aC++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__HP_aCC` | detection
`__HP_aCC` | V.R.P

##### `BOOST_COMP_IAR`

IAR C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__IAR_SYSTEMS_ICC__` | detection
`__VER__` | V.R.P

##### `BOOST_COMP_IBM`

IBM XL C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__IBMCPP__` | detection
`__xlC__` | detection
`__xlc__` | detection
`__COMPILER_VER__` | V.R.P
`__xlC__` | V.R.P
`__xlc__` | V.R.P
`__IBMCPP__` | V.R.P

##### `BOOST_COMP_INTEL`

Intel C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__INTEL_COMPILER` | detection
`__ICL` | detection
`__ICC` | detection
`__ECC` | detection
`__INTEL_COMPILER` | V.R.P

##### `BOOST_COMP_KCC`

Kai C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__KCC` | detection
`__KCC_VERSION` | V.R.P

##### `BOOST_COMP_LLVM`

LLVM compiler.

Symbol | Version
--- | ---
`__llvm__` | detection

##### `BOOST_COMP_HIGHC`

MetaWare High C/C++ compiler.

Symbol | Version
--- | ---
`__HIGHC__` | detection

##### `BOOST_COMP_MWERKS`

Metrowerks CodeWarrior compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__MWERKS__` | detection
`__CWCC__` | detection
`__CWCC__` | V.R.P
`__MWERKS__` | V.R.P >= 4.2.0
`__MWERKS__` | 9.R.0
`__MWERKS__` | 8.R.0

##### `BOOST_COMP_MRI`

Microtec C/C++ compiler.

Symbol | Version
--- | ---
`_MRI` | detection

##### `BOOST_COMP_MPW`

MPW C++ compiler. Version number available as major, and minor.

Symbol | Version
--- | ---
`__MRC__` | detection
`MPW_C` | detection
`MPW_CPLUS` | detection
`__MRC__` | V.R.0

##### `BOOST_COMP_PALM`

Palm C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`_PACC_VER` | detection
`_PACC_VER` | V.R.P

##### `BOOST_COMP_PGI`

Portland Group C/C++ compiler.

Symbol | Version
--- | ---
`__PGI` | detection
`__PGIC__`, `__PGIC_MINOR__`, `__PGIC_PATCHLEVEL__` | V.R.P

##### `BOOST_COMP_SGI`

SGI MIPSpro compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__sgi` | detection
`sgi` | detection
`_SGI_COMPILER_VERSION` | V.R.P
`_COMPILER_VERSION` | V.R.P

##### `BOOST_COMP_SUNPRO`

Sun Studio compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`__SUNPRO_CC` | detection
`__SUNPRO_C` | detection
`__SUNPRO_CC` | V.R.P
`__SUNPRO_C` | V.R.P

##### `BOOST_COMP_TENDRA`

TenDRA C/C++ compiler.

Symbol | Version
--- | ---
`__TenDRA__` | detection

##### `BOOST_COMP_MSVC`

Microsoft Visual C/C++ compiler. Version number available as major, minor, and patch.

Symbol | Version
--- | ---
`_MSC_VER` | detection
`_MSC_FULL_VER` | V.R.P
`_MSC_VER` | V.R.0

##### `BOOST_COMP_WATCOM`

Watcom C++ compiler. Version number available as major, and minor.

Symbol | Version
--- | ---
`__WATCOMC__` | detection
`__WATCOMC__` | V.R.P