How to get the C++ version

[vijaykrr]

Hi

Currenlty the New version of C++ is C++11. But I want to know which version of C++ that I'm using in my machine(Unix & windows).

How to know the correct version of C++ that I'm using.???


thanks
Vijay

[whitenite1]

Well, you could try running the ide, (otherwise known as the compiler program you're using to create your C++ programs), and check for an "About" section in the top menu. That should tell you the name of the program, the version date and even the build date.

[cire]

Compiler's usually come with some sort of documentation. Maybe reading it would be appropriate.

[Santosh Reddy]

Currenlty the New version of C++ is C++11. But I want to know which version of C++ that I'm using in my machine(Unix & windows).
 
How to know the correct version of C++ that I'm using.???

Note that C++11 is not a version. It a newer (enhanced) standard of C++. As such C++ will not have version, C++ will have specifications (aka standard, C99, C++11 etc)

C++ compilers will have versions. A single version of C++ compiler can support many C++ standards.

Find out the version of compiler you are using.? (cpp --version / g++ --version / cl). Once you find the version of compiler, get to the documentaion of compiler and see what all standards it supports. (as cire already posted)

[MiiNiPaa]

Also you can use one compiler to compile different spec code. g++ has a parameters, which tells it which standart to adhere for example. So if you have C++11 code using newest additions and C++ code which invalid in C++11 then you can tell compiler to use specific standart. As posted before: read compiler documentation.

[JLBorges]

if( __cplusplus == 201103L ) std::cout << "C++11\n" ;
else if( __cplusplus == 19971L ) std::cout << "C++98\n" ;
else std::cout << "pre-standard C++\n" ;

[Peter87]

@JLBorges

if( __cplusplus == 201103L ) std::cout << "C++11\n" ;
else if( __cplusplus == 199711L ) std::cout << "C++98\n" ;
else std::cout << "pre-standard C++\n" ;

[Santosh Reddy]

I think the the second version should be "199711L"

[JLBorges]

Right. Thanks, Peter and Santosh Reddy.