Ever wanted to know what macros GCC/G++ are predefining for you? Here is how.
For gcc: cpp -dM -gcc -x c /dev/null
For g++: cpp -dM -gcc -x c++ /dev/null
Strangely, _GNU_SOURCE seems to always be defined for C++.
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Ever wanted to know what macros GCC/G++ are predefining for you? Here is how.
For gcc: cpp -dM -gcc -x c /dev/null
For g++: cpp -dM -gcc -x c++ /dev/null
Strangely, _GNU_SOURCE seems to always be defined for C++.
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