to string not declared in scope

Question

I am trying to make the to string NUMBER  function work in my Ubuntu computer for weeks but it never ever works in the QT environment or anywhere else  My code works perfectly on my Mac osx  but when I try running it in Ubuntu it complains that to string is not declared in scope  Any solutions to this would be greatly appreciated  I have tried to update the gcc compiler but it didn t fix the problem  Please help    I am using QT Creator 4 8 1 and I am using C   and latest version of Ubuntu    int Bint  operator  int temp       Bint b to string temp        return    this  b       I was missing the QMAKE CXXFLAGS    -std c  0x in the pro file

User · Answer

you must compile the file with c  11 support  g   -std c  0x  -o test example cpp

User · Answer

This error  as correctly identified above  is due to the compiler not using c  11 or above standard  This answer is for Windows 10   For c  11 and above standard support in codeblocks version 17    Click settings in the toolbar  A drop-down menu appears  Select compiler option  Choose Global Compiler Settings  In the toolbar in this new window in second section  choose compiler settings  Then choose compiler flags option in below toolbar  Unfold general tab  Check the C   standard that you want your compiler to follow  Click OK    For those who are trying to get C  11 support in Sublime text    Download mingw compiler version 7 or above  In versions below this  the default c   standard used is c  98 whereas in versions higher than 7  the default standard used is c  11  Copy the folder in main C drive  It should not be inside any other folder in C drive  Rename the folder as MinGW  This name is case insensitive  so it should any variation of mingw and must not include any other characters in the name  Then go to environment variables and edit the path variable  Add this  C  mingw bin  and click OK  You can check the version of g   in cmd by typing g   -v  This should be sufficient to enable c  11 in sublime text    If you want to take inputs and outputs as well from input files for competitive programming purposes  then follow this link

User · Answer

I fixed this problem by changing the first line in Application mk from  APP STL    gnustl static   to  APP STL    c   static

User · Answer

You need to make some changes in the compiler  In Dev C   Compiler   1  Go to compiler settings compiler Options  2  Click on General Tab 3  Check the checkbox  Add the following commands when calling the compiler  4  write -std c  11 5  click Ok

User · Answer

Try this if you can t use -std c  11 - int number 55  char tempStr 32     0   sprintf tempStr    d   number

User · Answer

There could be different reasons why it doesn t work for you  perhaps you need to qualify the name with std    or perhaps you do not have C  11 support   This works  provided you have C  11 support    include  lt string gt   int main       std  string s   std  to string 42       To enable C  11 support with g   or clang  you need to pass the option -std c  0x  You can also use -std c  11 on the newer versions of those compilers

[c++] to_string not declared in scope

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