gdb command to check the default ISO standard C++ year

Do the following steps.

Open command prompt window.

Compile program with -g flag to generate debug info

> g++ example.cpp -g

Debug program with gdb

> gdb a.exe

Put a breakpoint at main() function

(gdb) b main

Run program which will pause at breakpoint

(gdb) run

gdb information source

(gdb) info source

Output something like the following:

{

Current source file is example.cpp

Compilation directory is C:\Users\xxx\Desktop\cpp_directory
Located in C:\Users\xxx\Desktop\cpp_directory\example.cpp
Contains 21 lines.
Source language is c++.
Producer is GNU C++14 8.1.0 -mtune=core2 -march=nocona -g.
Compiled with DWARF 2 debugging format.

Does not include preprocessor macro info.

}

(gdb) quit

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