How to use c++11 to program the Arduino?

Question

How can I use c++11 when programming the Arduino? I would be fine using either the Arduino IDE or another environment. I am most interested in the core language

Answer 1

Please, note, that there is no easy way to specify additional flags from Arduino IDE or use other IDE (Eclipse, Code Blocks, etc) or command line.

As a hack, you can use a small proxy program (should be cross-platform):

//============================================================================
// Name        : gcc-proxy.cpp
// Copyright   : Use as you want
// Description : Based on http://stackoverflow.com/questions/5846934/how-to-pass-a-vector-to-execvp
//============================================================================

#include 

#include 
#include 
#include 
using namespace std;

int main(int argc, char *argv[]) {
    vector arguments;
    vector aptrs;

    // Additional options, one per line
    ifstream cfg((string(argv[0]) + ".ini").c_str());
    if (cfg.bad())
        cerr << "Could not open ini file (you're using proxy for some reason, er?)" << endl;

    string arg;
    while (cfg) {
        getline(cfg, arg);
        if(arg == "\r" || arg == "\n")
            continue;
        arguments.push_back(arg);
    }

    for (const string& arg : arguments)
        aptrs.push_back(arg.c_str());

    for (int i = 1; i < argc; ++i)
        aptrs.push_back(argv[i]);

    // Add null pointer at the end, execvp expects NULL as last element
    aptrs.push_back(nullptr);

    // pass the vector's internal array to execvp
    const char **command = &aptrs[0];

    return execvp(command[0], command);
}

1. Compile the program.
2. Rename the original avr-g++.exe to avr-g++.orig.exe (or any other name).
3. Create avr-g++.ini file where the first line is FULL path to the original program (e.g. D:\Arduino\hardware\tools\avr\bin\avr-g++.orig.exe) and add additional parameters, one per line, as desired.

You're done!

Example avr-g++.ini:

D:\Arduino\hardware\tools\avr\bin\avr-g++.orig.exe
-std=c++0x

Hope, that helps!