Category : undefined-reference

#include using namespace std; int main(){ cout <<"hello world"; return 0; } @@@ output terminal reads the following [Running] cd "c:Users{My Username}DesktopStartingcpp" && g++ demo1.cpp -o demo1 && "c:Users{My Username}DesktopStartingcpp"demo1 c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/bin/ld.exe: c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../libmingw32.a(main.o):(.text.startup+0xc0): undefined reference to `[email protected]′ collect2.exe: error: ld returned 1 exit status [Done] exited with code=1 in 1.473 seconds @@@Terminal reads the following Windows ..

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I am working on a project in which I am using WSL. Now, the issue is WSL needs to access CPP Project Files which are necessary for the linker. Previously, using this command(Ignore Flags) :- clang++ -pthread -rdynamic -fopenmp -Wl,-rpath-link= -Wl,–no-undefined -Wl,–strip-discarded -Wl,–gc-sections -m64 -o ./main @main.rsp I am getting this error:- /usr/bin/ld: /mnt/d/test/dll_so/out/../main/main.cpp:15: undefined ..

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Program I’m trying to compile: #include <iostream> #define ASIO_STANDALONE #include <asio.hpp> #include <asio/ts/buffer.hpp> #include <asio/ts/internet.hpp> int main() { return 0; } Compiler output: c:/users/elanillo/downloads/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/11.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: C:UserselanilloAppDataLocalTempccFsZQSm.o:Networkingss.cpp:(.text+0x8a): undefined reference to `__imp_WSACleanup’ c:/users/elanillo/downloads/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/11.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: C:UserselanilloAppDataLocalTempccFsZQSm.o:Networkingss.cpp:(.text+0x113): undefined reference to `__imp_WSAStartup’ collect2.exe: error: ld returned 1 exit status MinGW w64 Compiler flags: g++ -Ofast -std=c++2a -static-libgcc -static-libstdc++ -static -fext-numeric-literals -L"C:/Users/elanillo/Desktop/C++/cpp_libs/asio-1.18.1/include" -L"C:/Users/elanillo/Downloads/mingw64/x86_64-w64-mingw32/lib" ..

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I’m new to writing my own classes in c++, and the one that I’ve written gives an "undefined reference error" when I try to use one of the methods that I’ve defined. The structure is three pieces of code: Clusterising.hh, Clusterising.cc and ClusterTest.cpp. Clusterising.hh is structured like so: #ifndef Clustering_h #define Clustering_h 1 #define MAXHIT ..

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