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Editorial Team
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Asked: 2026-05-15T05:42:11+00:00

My IDE (NetBeans) thinks this is wrong code, but it compiles correctly: std::cout <<

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My IDE (NetBeans) thinks this is wrong code, but it compiles correctly:

std::cout << "i = " << i << std::endl;
std::cout << add(5, 7) << std::endl;
std::string test = "Boe";
std::cout << test << std::endl;

It always says unable to resolve identifier .... (.... = cout, endl, string);

So I think it has something to do with the code assistance. I think I have to change/add/remove some folders. Currently, I have these include folders:

C compiler:

/usr/local/include
/usr/lib/gcc/i486-linux-gnu/4.4.3/include
/usr/lib/gcc/i486-linux-gnu/4.4.3/include-fixed
/usr/include

C++ compiler:

/usr/include/c++/4.4.3
/usr/include/c++/4.4.3/i486-linux-gnu
/usr/include/c++/4.4.3/backward
/usr/local/include
/usr/lib/gcc/i486-linux-gnu/4.4.3/include
/usr/include

What could be causing this, and how can I make NetBeans mark it as valid code?

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1 Answer

  1. Editorial Team

    It works fine for me. I’m using NetBeans 6.8; the only undefined reference I got was for the add() function.

    Can you test with a new project to see if you can reproduce the problem?

    EDIT (reply):

    Yep, tested on Linux. No includes added in project properties.

    In the global C/C++ options I have an extra include path for C, /usr/include/i486-linux-gnu.
    For C++ I have:

    /usr/include/c++/4.4
/usr/include/c++/4.4/i486-linux-gnu
/usr/include/c++/4.4/backward
/usr/local/include
/usr/lib/gcc/i486-linux-gnu/4.4.3/include
/usr/lib/gcc/i486-linux-gnu/4.4.3/include-fixed
/usr/include/i486-linux-gnu
/usr/include

    These are my defaults, haven’t touched them. HTH
    I also use gcc-4.4.3 (Ubuntu 10.04).

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