WebDec 11, 2024 · Feature test macros (C++20) Language support library: Concepts library (C++20) Metaprogramming library (C++11) Diagnostics library: General utilities library: … WebMar 13, 2024 · If you don't actually link the library, then you are trying to call functions (or use classes) that don't exist in your program, or any of the linked libraries. Hence you'll get linker errors ("undefined reference"). The solution is to link the required library ;-) For example: g++ main.cpp operations.cpp -lfoobar -o MCalc.
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http://www.duoduokou.com/cplusplus/69081686559429860503.html WebAug 23, 2011 · For a console app, you can also use the first command line argument passed to the alternative form of main() -- this is my preferred technique for such apps. boost pathfinder install
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