C++ compiler support

 

C++

Compiler support

Freestanding and hosted

Language

Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Metaprogramming library (C++11)

Diagnostics library

General utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Concurrency support library (C++11)

Execution support library (C++26)

Technical specifications

Symbols index

External libraries

 

C++ language

General topics
Preprocessor Comments	Keywords Escape sequences
Flow control
Conditional execution statements
if	switch
Iteration statements (loops)
for range-for (C++11)	while do-while
Jump statements
continue - break	goto - return
Functions
Function declaration
Lambda function expression
inline specifier
Dynamic exception specifications (until C++17*)
noexcept specifier (C++11)
Exceptions
throw-expression try block	handler
Namespaces
Namespace declaration	Namespace aliases
Types
Fundamental types Enumeration types Function types	Class/struct types Union types
Specifiers
const/volatile decltype (C++11) auto (C++11)	constexpr (C++11) consteval (C++20) constinit (C++20)
Storage duration specifiers
Initialization
Default-initialization Value-initialization Zero-initialization Copy-initialization Direct-initialization	Aggregate initialization List-initialization (C++11)   Constant initialization Reference initialization

Expressions
Value categories Order of evaluation	Operators Operator precedence
Alternative representations
Literals
Boolean - Integer - Floating-point
Character - String - nullptr (C++11)
User-defined (C++11)
Utilities
Attributes (C++11)
Types
typedef declaration
Type alias declaration (C++11)
Casts
Implicit conversions static_cast const_cast	Explicit conversions dynamic_cast reinterpret_cast
Memory allocation
new expression	delete expression
Classes
Class declaration Constructors this pointer	Access specifiers friend specifier
Class-specific function properties
Virtual function override specifier (C++11)   final specifier (C++11)	explicit (C++11) static
Special member functions
Default constructor Copy constructor Move constructor (C++11)	Copy assignment Move assignment (C++11) Destructor
Templates
Class template Function template	Template specialization Parameter packs (C++11)
Miscellaneous
Inline assembly	History of C++

 

The following table presents compiler support for new C++ features. These include C++11, C++14, C++17 and various technical specifications.

C++ feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
alignas	N2341	4.8	3.0	11.0* 14.0		4.8	15.0				5.13	Yes	8.4	2015
alignof	N2341	4.5	2.9	14.0		4.8	15.0				5.13	Yes	8.4	2015
Atomic operations	N2427	4.4	3.1	11.0		Yes	13.0				5.14	Yes	8.4	2015
auto	N1984(v1.0)	4.4(v1.0)	Yes	10.0(v0.9)		4.1(v0.9)	11.0(v0.9) 12.0(v1.0)				5.13	Yes	8.4	2015		A.06.25
C99 preprocessor	N1653	4.3	Yes	14.0*		4.1	11.1				5.9	Yes	8.4	2015
constexpr	N2235	4.6	3.1	14.0*		4.6	13.0* 14.0				5.13	Yes	8.4	2015		A.06.28
decltype	v1.0: N2343 v1.1: N3276	4.3(v1.0) 4.8.1(v1.1)	2.9	10.0(v1.0) 11.0(v1.1)		4.1(v1.0)	11.0(v1.0) 12.0(v1.1)				5.13	Yes	8.4	2015		A.06.25	8.52(v1.0)
Defaulted and deleted functions	N2346	4.4	3.0	12.0		4.1	12.0				5.13	Yes	8.4	2015		A.06.25
Delegating constructors	N1986	4.7	3.0	12.0		4.7	14.0				5.13	Yes	8.4	2015		A.06.28
Explicit conversion operators	N2437	4.5	3.0	12.0		4.4	13.0				5.13	Yes	8.4	2015		A.06.27
Extended friend declarations	N1791	4.7	2.9	10.0* 12.0		4.1	11.1* 12.0				5.13	Yes	8.4	2015		A.06.25
extern template	N1987	3.3	Yes	6.0		3.9	9.0				5.13	Yes	8.4	2015		A.06.25
Forward enum declarations	N2764	4.6	3.1	11.0		4.5	11.1* 14.0				5.13	Yes	8.4	2015
Inheriting constructors	N2540	4.8	3.3	14.0		4.8	15.0				5.13	Yes	8.4	2015
Initializer lists	N2672	4.4	3.1	12.0		4.5	13.0* 14.0				5.13	Yes	8.4	2015		A.06.28
Lambda expressions	v0.9: N2550 v1.0: N2658 v1.1: N2927	4.5(v1.1)	3.1	10.0(v1.0) 11.0(v1.1)		4.1(v1.1)	12.0(v1.1)				5.13	Yes	8.4	2015		A.06.25
Local and unnamed types as template parameters	N2657	4.5	2.9	10.0		4.2	12.0				5.13	Yes	8.4	2015
long long	N1811	Yes	Yes	Yes		Yes	Yes				Yes	Yes	8.4	2015		Yes	Yes
Inline namespaces	N2535	4.4	2.9	14.0		4.5	14.0				5.13	Yes	8.4	2015		A.06.28
New character types	N2249	4.4	2.9	14.0		4.4	12.1* 14.0				5.13	Yes	8.4	2015		A.06.27	8.52
Trailing function return types	N2541	4.4	2.9	10.0		4.1	12.0				5.13	Yes	8.4	2015		A.06.27
nullptr	N2431	4.6	2.9	10.0		4.2	12.1				5.13	Yes	8.4	2015		A.06.27	8.52
Unicode string literals	N2442	4.4	3.0	14.0		4.7	11.0*				5.7	Yes	8.4	2015		A.06.28	8.52
Raw string literals	N2442	4.5	Yes	12.0		4.7	14.0				5.13	Yes	8.4	2015		A.06.28	8.52
User-defined literals	N2765	4.7	3.1	14.0		4.8	15.0				5.14	Yes	8.4	2015
Right angle brackets	N1757	4.3	Yes	8.0		4.1	11.0				5.13	Yes	8.4	2015
R-value references	v1.0: N2118 v2.0: N2844 v2.1: N2844+ v3.0: N3053	4.3(v1.0) 4.5(v2.1) 4.6(v3.0)	Yes	10.0(v2.0) 11.0(v2.1) 14.0(v3.0)		4.5(v3.0)	11.1(v1.0) 12.0(v2.0) 14.0(v3.0)				5.13	Yes	8.4	2015		A.06.25
static_assert	N1720	4.3	2.9	10.0		4.1	11.0				5.13	Yes	8.4	2015		A.06.25	8.52
Strongly-typed enum	N2347	4.4	2.9	11.0		4.0	13.0				5.13	Yes	8.4	2015		A.06.25
Template aliases	N2258	4.7	3.0	12.0		4.2	12.1				5.13	Yes	8.4	2015		A.06.27
Thread-local storage	N2659	4.4* 4.8	3.3* 3.3	10.0* 14.0		4.8	11.1* 15.0*				5.9*	Yes	8.4	2015			8.52*
Unrestricted unions	N2544	4.6	3.0	14.0		4.6	14.0*				5.13	Yes	8.4	2015		A.06.28
Type traits	N1836	4.3	3.0	8.0		4.0	10.0				5.13	Yes	8.4	2015		6.16
Variadic templates	v0.9: N2242 v1.0: N2555	4.3(v0.9) 4.4(v1.0)	2.9(v1.0)	12.0		4.1(v0.9)	12.1(v1.0)				5.13	Yes	8.4	2015		A.06.27
Range-for loop	N2930	4.6	3.0	11.0		4.5	13.0				5.13	Yes	8.4	2015		A.06.28
override and final	v0.8: N2928 v0.9: N3206 v1.0: N3272	4.7	2.9	8.0(v0.8) 11.0(v1.0)		4.8(v1.0)	12.0(v0.8) 14.0(v1.0)				5.13	Yes	8.4	2015
Attributes	N2761	4.8	3.3	14.0		4.2	12.1				5.13	Yes	8.4	2015		A.06.27
ref-qualifiers	N2439	4.8.1	2.9	14.0		4.7	14.0				5.13	Yes	8.4	2015		A.06.28
Non-static data member initializers	N2756	4.7	3.0	12.0		4.6	14.0				5.13	Yes	8.4	2015		A.06.28
Dynamic initialization and destruction with concurrency (magic statics)	N2660	4.3	2.9	14.0		Yes	11.1*				5.13	Yes	8.4	2015		A.06.25
noexcept	N3050	4.6	3.0	14.0		4.5	14.0				5.13	Yes	8.4	2015		A.06.28
C++ feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
Tweaked wording for contextual conversions	N3323	4.9	3.4	12.0		4.9	16.0
Binary literals	N3472	4.3/4.9	2.9	14.0		4.10	11.0				5.14			2015
decltype(auto), Return type deduction for normal functions	N3638	4.8/4.9	3.3/3.4	14.0		4.9	15.0
Initialized/Generalized lambda captures (init-capture)	N3648	4.5/4.9	3.4	14.0		4.10	15.0							?
Generic (polymorphic) lambda expressions	N3649	4.9	3.4	14.0		4.10	16.0							?
Variable templates	N3651	5.0	3.4	14.2		4.11	17.0
Extended constexpr	N3652	5	3.4			4.11	17.0
Member initializers and aggregates (NSDMI)	N3653	5	3.3	"15" Preview 4		4.9	16.0				5.14
Clarifying memory allocation (avoiding/fusing allocations)	N3664	N/A	3.4	N/A		N/A
Deprecated attribute	N3760	4.9	3.4	14.0		4.9	15.0* 16.0				5.14
Sized deallocation	N3778	5	3.4	14.0		4.10.1	17.0				5.14
Single quote as digit separator	N3781	4.9	3.4	14.0		4.10	16.0				5.14			2015
std::result_of and SFINAE	N3462	5.0	Yes	14.2		N/A	N/A					Yes
constexpr for <complex>	N3302	5.0	3.4	14.0		N/A	N/A
constexpr for <chrono>	N3469	5.0	3.4	14.0		N/A	N/A
constexpr for <array>	N3470	5.0	3.4	14.0		N/A	N/A
constexpr for <initializer_list>, <utility> and <tuple>	N3471	5.0	3.4	14.0		N/A	N/A
Improved std::integral_constant	N3545	5.0	3.4	14.0		N/A	N/A
User-defined literals for <chrono> and <string>	N3642	5.0	3.4	14.0		N/A	N/A
Null forward iterators	N3644	5.0*	3.4	14.0		N/A	N/A
std::quoted	N3654	5.0	3.4	14.0		N/A	N/A
Heterogeneous associative lookup	N3657	5.0	3.4	14.0		N/A	N/A
std::integer_sequence	N3658	5.0	3.4	14.0		N/A	N/A
std::shared_mutex (timed)	N3659	5.0	3.4	14.0		N/A	N/A
std::exchange	N3668	5.0	3.4	14.0		N/A	N/A
fixing constexpr member functions without const	N3669	5.0	3.4	14.0		N/A	N/A
std::get<T>()	N3670	5.0	3.4	14.0		N/A	N/A
Dual-Range std::equal, std::is_permutation, std::mismatch	N3671	5.0	3.4	14.0		N/A	N/A
C++ feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
New auto rules for direct-list-initialization	N3922		3.8	14.0		4.10.1	17.0
static_assert with no message	N3928	6	2.5			4.12
typename in a template template parameter	N4051	5.0	3.5	14.0		4.10.1	17.0
std::uncaught_exceptions()	N4152	6	3.7	14.0
Nested namespace definition	N4230	6	3.6	14.3		4.12	17.0
Attributes for namespaces and enumerators	N4266	4.9 (namespaces) / 6 (enumerators)	3.6	14.0		4.11
u8 character literals	N4267	6	3.6	14.0		4.11	17.0
Allow constant evaluation for all non-type template arguments	N4268	6	3.6
Fold Expressions	N4295	6	3.6
Make exception specifications part of the type system	P0012R1
Aggregate initialization of classes with base classes	P0017R1		3.9
Lambda capture of *this	P0018R3		3.9
Using attribute namespaces without repetition	P0028R4		3.9
Dynamic memory allocation for over-aligned data	P0035R4	7
Unary fold expressions and empty parameter packs	P0036R0	6	3.9
__has_include in preprocessor conditionals	P0061R1	5.0	Yes
Template argument deduction for class templates	P0091R3
Non-type template parameters with auto type	P0127R2
Guaranteed copy elision	P0135R1
New specification for inheriting constructors (DR1941 et al)	P0136R1		3.9
Direct-list-initialization of enumerations	P0138R2		3.9
Stricter expression evaluation order	P0145R3	7
constexpr lambda expressions	P0170R1	7
Differing begin and end types in range-based for	P0184	6	3.9	14.3		4.12
[[fallthrough]] attribute	P0188		3.9	"15" Preview 4
[[nodiscard]] attribute	P0189	7	3.9
[[maybe_unused]] attribute	P0212	7	3.9
Structured Bindings	P0217R3		4.0 (partial)
Ignore unknown attributes	P0283R2	Yes	3.9
Hexadecimal floating-point literals	P0245	3.0	Yes
constexpr if statements	P0292R2	7	3.9
init-statements for if and switch	P0305R1		3.9
Inline variables	P0386R2		3.9
Improving std::pair and std::tuple	N4387	Yes		14.2		N/A	N/A
std::shared_mutex (untimed)	N4508	6.0	3.7	14.2*		N/A	N/A
C++ feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++

* - hover over the version number to see notes

References

Individual vendor compatibility checklists (these are more up-to-date than the table above)

• GCC (Updated 2016-06)

• GCC 6 release notes
• C++11 core language support status (complete as of 4.8.1)
• C++14 core language support status (complete as of 5.0)
• C++17 core language support status
• C++ core language support status (supersedes the above version-specific pages)
• C++11 library support status (complete as of 5.0)
• C++14 library support status (complete as of 5.0)
• Technical Specifications support status
• C++17 library support status

• Clang++ (Updated 2016-06)

• C++11 core language support status (complete as of 3.3)
• C++11 library support status (complete as of 2012-07-29)
• C++14 core language support status (complete as of 3.4)
• C++14 library support status (complete as of 3.5)
• Technical Specifications support status
• C++17 core language support status
• Core language defect report status
• C++17 library support status

• Microsoft Visual Studio (updated 2016-06)

• C++11/C++14/C++17 core language support status

• C++11/14/17 core language support status in VS2010, VS2012, VS2013, and VS2015
• VS2013 vs. VS2015 CTP0
• VS2013 vs. VS2015 CTP1
• VS2013 vs. VS2015 CTP3 (includes the roadmap table)
• VS2015 ("VS14") preview
• VS2015 ("VS14") release candidate (C++11 remains incomplete, but C++17 support appears)

• C++11 and C++14 library support status
• C++11/14/17 Features In VS 2015 RTM including core language and standard library (including technical specifications)
• C++14/17 features in VS 2015 Update 2 standard library library is feature complete up to current C++17 with few minor issues (some defect reports, some constexprs, etc)

• Intel C++ (Updated 2016-06)

• C++11 core language support status (complete as of 15.0)
• C++14 core language support status (incomplete)
• C++17 core language support status (incomplete)
• Intel does not ship an implementation of the C++ standard library

• EDG (Updated 2016-01)

• C++11 core language support status
• C++14 core language support status
• C++17 core language support status
• EDG does not ship an implementation of the C++ standard library

• Oracle C++ (updated 2016-01)

• C++11 core language support status

• Missing C++11 support added in 5.14 (page has a typo, and still says 5.13)

• C++14 features added in 5.14
• Oracle ships three implementations of the C++ standard library:

• libCstd (RogueWave Standard Library version 2), predates C++98
• stlport4 (STLport Standard Library version 4.5.3), predates C++03
• stdcxx4 (Apache Standard Library version 4), predates C++11

• IBM XL C++ (updated 2015-12)

• C++11 core language support status (v 13.1 for AIX)
• IBM ships a version of Dinkumware library for AIX with full support for C++ TR1, including <regex>, but no C++11
• C++11 core language support status (v 13.1.1 for Linux)
• IBM does not ship an implementation of C++ standard library for Linux (uses GNU libstdc++)
• C++11/C++14 core language support status (v 13.1.2 for Little Endian Linux / zLinux Big Endian)

• HP aCC

• C++11 core language support status
• HP ships a version of RogueWave STL 2.0 implementation of the C++98 standard library

• Digital Mars C++

• C++11 core language support status

• Embarcadero C++

• C++11 core language support status (C++ Builder 10.1 Berlin for Windows 32/64, iOS and Android clang-enhanced compilers) [1]

• Cray (updated 2015-12)

• [2] For version 8.4, claims all of C++11 is supported except alignas

• Portland Group (PGI) (updated 2016-07)

• Release notes for 2016 claim C++14 support, except "generalized constexpr and constexpr member functions and implicit const, variable templates, clarifying memory allocation (merged allocation)"