In file included from /usr/include/c++/4.4/unordered_map:35, from chimie.cpp:5: /usr/include/c++/4.4/c++0x_warning.h:31:2: error: #error This file requires compiler and library support for the upcoming ISO C++ standard, C++0x. This support is currently experimental, and must be enabled with the -std=c++0x or -std=gnu++0x compiler options. chimie.cpp: In function 'void getFormulas(std::string, int&, Chimic*)': chimie.cpp:66: warning: NULL used in arithmetic chimie.cpp: At global scope: chimie.cpp:87: error: variable or field 'createTable' declared void chimie.cpp:87: error: 'unordered_map' was not declared in this scope chimie.cpp:87: error: expected primary-expression before ',' token chimie.cpp:87: error: expected primary-expression before 'int' chimie.cpp:87: error: expected primary-expression before 's' chimie.cpp: In function 'void solveEcuation()': chimie.cpp:101: error: 'unordered_map' was not declared in this scope chimie.cpp:101: error: expected primary-expression before ',' token chimie.cpp:101: error: expected primary-expression before 'int' chimie.cpp:101: error: expected ';' before 'int' chimie.cpp:103: error: 'fscanf' was not declared in this scope chimie.cpp:104: error: 'firstTable' was not declared in this scope chimie.cpp:104: error: 'createTable' was not declared in this scope chimie.cpp:107: error: expected primary-expression before ',' token chimie.cpp:107: error: expected primary-expression before 'int' chimie.cpp:107: error: expected ';' before 'int' chimie.cpp:108: error: expected primary-expression before ',' token chimie.cpp:108: error: expected primary-expression before 'int' chimie.cpp:108: error: expected ';' before 'int' chimie.cpp:109: error: 'fprintf' was not declared in this scope chimie.cpp:111: error: 'secondTable' was not declared in this scope chimie.cpp:113: error: 'itr' was not declared in this scope chimie.cpp:100: warning: unused variable 'size' chimie.cpp: In function 'int main()': chimie.cpp:126: error: 'fopen' was not declared in this scope chimie.cpp:129: error: 'fclose' was not declared in this scope