mingw - Getting 'undefined reference to' using mingw32, but no linker It compiles without error, but when I try to 'g++ -o test test.o', the linker reports: "Undefined reference to ***@16" Searchinf for a solution in Internet, I have found some explanations, [Solved]-Undefined reference to WinMain (C++ MinGW)-C++ Linking to Pthreads - Undefined References With Mingw Getting started with C or C++ | C Tutorial | C++ Tutorial | C and C++ FAQ | Get a compiler | Fixes for common problems Thread: Linking to Pthreads - Undefined References With Mingw undefined reference to `gluLookAt` How to fix in MinGW on Windows GLU 1.2 is the version of GLU that goes with OpenGL 1.1. Report message to a moderator. Or, using a libgfortran that was compiled on a newer mingw, but is now running with an older version. Summary Files Reviews Support News Reproduced the problem on Appveyor with 32bit mingw now but do not understand it. When I build the program, I am seeing numerous errors like "undefined reference to '_imp__*', where * is the actual name of the function. winsock/mingw compile problem (undefined reference) - C / C++ [Mingw-w64-public] time.h : undefined reference to '_mkgmtime32' Use Visual Studio. undefined reference to `WinMain' - C++ Forum - cplusplus.com Thread: [Mingw-users] undefined reference to _imp__* | MinGW MinGW: undefined reference to _imp___wassert #60912 - GitHub Fixed by #8266 thesword53 commented on Mar 30, 2021 edited by lazka 1480c1 mentioned this issue on Apr 2, 2021 opus: add lssp to the end of libs.private #8266 I got dev-c++ and a bit of winsock sample code. 1 comment . But here's the makefile output if it's any use. Thankfully, able to compile against the MinGW tool with small modifications. I can confirm having seen that in the past, which was due to the use of an older mingw runtime with newer mingw headers. under latest MinGW, cannot link with C code using stdout #47048 Closed build an empty project failed (undefined reference to `__onexitbegin') #49078 Closed Issues with crt2.o and dllcrt2.o from mingw. I'm using the latest automated builds. Is it a MinGW version or a Windows version that needs updating? Changing it to this line from the sdl2-config bundled with the official SDL2 mingw development package fixes the problem:--libs) echo -L${exec_prefix}/lib -lmingw32 -lSDL2main -lSDL2 -mwindows . I am on 2017b. 47722 - With -static "__mingw_vsprintf" on MinGW32 is not found Undefined reference to WinMain (C++ MinGW) c++winapimingwmingw32winmain 26,647 Solution 1 This example code uses wWinMainbut One thing to note is that Visual C++ supports a "wWinMain" entry point where the "lpCmdLine" parameter is a "LPWSTR". That explains the implicit declarations warning. not suppose to be a problem. mingw cross compiling error - undefined reference to `__mingw_get Undefined references when compiling using MinGW - GLFW Qt 6 undefined reference to WinMain on MinGW | Qt Forum MinGW-w64 - for 32 and 64 bit Windows Bugs - SourceForge For standard C programs the entry point is "main". Please, no one waste the effort telling me to google it. Undefined references to strtof_l when using <locale> #168 I've done nothing out of the ordinary. Hello, I am trying to build a super simple test program with GLFW on window 10 with gcc and MinGW using the static libraries, but I keep getting undefined referenced errors. > > He shouldn't need to; it should be specified automatically, if he is > using gcc or g++ correctly for linking. References Microsoft Docs Docs / Windows / Windows Sockets 2 / Winsock.h / WSAGetLastError function Link StackOverflow undefined reference to `__imp_WSACleanup' Link Share this: Twitter Facebook Loading. undefined reference to `gmtime_r' on Windows with mingw #530 Essentially you need to make sure you include all the required libaries, which can depend on the version of MinGW you are using. OS:Windows 10 64 bit (1909) terminal: cmder Using SFML-2.5.1-windows-gcc-7.3.-mingw-32-bitCommandline: Undefined reference to 'WinMain' when linking against SDL2 #6379 - GitHub When I build programs with my (64-bit) "Microsoft Platform SDK for Windows Server 2003 R2" compiler, I have to explicitly link to bufferoverflowu.lib (otherwise I get the "undefined reference to `__security_check_cookie'" error). I am tryng to compile a simple C++ program, with g++. Weren't all these fancy GUI IDEs and editors, like VSCode, with their pretty dialogs and buttons, supposed to make things easier, to avoid all these yucky Makefiles and shell commands?You mean that I must concoct some magic incantation in the form of a convoluted JSON configuration file, to get basic functionality right? Hello, I'm relatively new to Raylib and I'm interested in making twitch chat-controlled games similar to things like Twitch plays Pokemon. Summary: [mingw] Undefined reference to __mingw_strtod Status: RESOLVED INVALID Alias: None Product: gcc Classification: Unclassified Component: libstdc++ (show other bugs) Version: 4.9.0 Importance: P3 normal . 18 C:\crossdev\src\mingw-w64-v3-git\mingw-w64-crt\crt\crt0_c.c undefined reference to `WinMain' C:\Users\teopeishen\Documents\my code\collect2.exe [Error] ld returned 1 exit status 1 VRonin 11 May 2021, 09:43 @Christian Ehrlicher. MinGW is very strict about the ordering of the libraries to link to. I'm using clion ide and mingw. Re: mingw: undefined reference to `WinMain@16' [ message #649388 is a reply to message #628930] @Christian-Ehrlicher said in Qt 6 undefined reference to WinMain on MinGW: PRIVATE is not correct, it should be PUBLIC. #53454 Closed Unable to link mingw64 + rust nightly undefined reference to `__imp___acrt_iob_func' #59604 Closed 10 undefined reference to `SDL_Init' (undefined reference to `WinMain@16' collect2.exe: error: ld returned 1 exit status) I am trying to learn and use SDL on my project. I was trying to compile Boost.Locale, and got stuck on the linking phase with undefined references to strtof_l. Sorry. To find windows.h (needed for a GUI application) depends on which version of VC++ you have. It's free, and I simply have no interest in trying to support the bastardized environment that is mingw. The WIN32 tutorial is trying to build a Windows GUI application. [Solved]-Undefined reference to WinMain (C++ MinGW)-C++ Search score:12 Accepted answer This example code uses wWinMainbut One thing to note is that Visual C++ supports a "wWinMain" entry point where the "lpCmdLine" parameter is a "LPWSTR". If the disk version of the file did not have a main function, then there is no place for the local application to start. I also try the latest sezero build and it still has the problem. ld -o /tmp/main.exe /tmp/main.o I get a link error: undefined reference to `__main' This is preventing configure from proceeding when compiling FFMpeg b/c it thinks it can't create an executable. I built OpenSSL 1.1, 1.0 and 0.8 with MingW Am running into a compile problem. It's entry point would be "WinMain". Eclipse Community Forums: C / C++ IDE (CDT) mingw: undefined I got the error: undefined reference to WinMain when converting a I am on windows and using MingW 6.3. 57220 - [mingw] Undefined reference to __mingw_strtod I am trying to build an old Fortran program with GFortran (ver 5.3.0) on Windows 10 using MinGW. Hello, I am not really sure where I should post that since it is linked to a network library and I want to make my connection secured I will put my problem here. You would typically use the "_tWinMain" preprocessor definition for your entry point and Undefined reference to winmain@16 - social.msdn.microsoft.com Anyway, stdio.h of my i686-w64-mingw32 cross-tools as well as the stdio.h on the host have sections that are secured by GNU linker searches dependencies in libraries/files from command-line only left to right. Mingw32 undefined reference | Qt Forum So, I am a novice. I've made my project using MinGW 64-bit and recently it looks like i will aim for 32-bit platform so i tried to build my project using 32-bit MinGW, instaled with maintanance tool, but it turned out to be not working at all . We statically link IPP libraries to perform FFTs. Just started learning it 24 hours ago. In this particular case it is indeed wrong but if you think of a library not exposing Qt (for example, a library to read/write xml files that internally uses QXmlStreamReader . GLFW links successfully, but I still get errors (Code Blocks) undefined reference error with MinGW on W10 #2163 - GitHub But what about the undefined references? mingw - undefined reference to SDL_Init - STACKOOM undefined reference to `WinMain@16' error in VS Code Solution It links in a DLL and calls various functions in that DLL. [mingw-w64-qt5-base] undefined reference to `_imp - GitHub Linking to Pthreads - Undefined References With Mingw - C++ Programming Thread: [Mingw-users] undefined reference with ___mingw_vfprintf The problem might be that the project's configure has some problems figuring out whether the host's vsnprintf is working properly or not, or whether the user wants to stick with MS stuff or functions that are C99 compliant. MinGW generally wants to build a console application with an entry point called "main". [Mingw-users] Undefined reference to 'getaddrinfo' - SourceForge A less severe problem exists on 32bit Linux as well, in cpu autodetection mode the fallback for x86_64 cpus gets confused about USE_TRMM. [MinGW] [GLFW 3] Undefined references when linking GLFW 3. : r - reddit I was also once plagued by the __GSHandlerCheck problem, too. You would typically use the "_tWinMain" preprocessor definition for your entry point and If you later would need unicode command line use LPWSTR cmd_line = GetCommandLineW (); instead of WinMain argument. mingw/bin/../lib/gcc/mingw32/6.3./../../../libmingw32.a(main.o):(.text.startup+0xa0): undefined reference to `WinMain@16'collect2.exe: error: ld returned 1 . the problems whose title starts with undefined reference are automatically problems related to the editing of links (the generation of your final binary due to the link editor, which takes place at the very end of the compilation process ) Hello, Im pretty new to Qt and i have encountered problem. If I use MSVC2017 I get no link errors, however when I use mingw73_64 I get 234 errors, e.g. winsock/mingw compile problem (undefined reference) Dom I'm new to c++. So if your main.cpp depends on functions in glfw or opengl, then it must come first in command-line, not after glfw/opengl: g++ -Iinclude -Llib-mingw-w64 Source/main.cpp -lglfw3 -lopengl32 -lgdi32 . at first I had some problems where my ide can't find it. [Solved] Undefined reference to WinMain (C++ MinGW) Any idea why I get undefined reference to `__mingw_get_msvcrt_handle' error? I just tried to rebuild mingw-w64-qt5-base from scratch after the update to mingw-gcc 7.2, and got undefined symbols like CertCreateCertificateContext when linking qt5Network.dll: It's weird as this should be in libcrypt32, and -lcrypt32. [Mingw-w64-public] time.h : undefined reference to '_mkgmtime32' Sandeep Thakkar Mon, 29 Feb 2016 23:27:21 -0800 I have dowloaded mingw-builds which Toolchains targeting Win32 from below link. I can create the C files, but not an executable. Linking IPP with MinGW_64 for Windows undefined reference errors - Intel via Building Win32 GUI Applications with MinGW In this specific case, you can use WinMain instead. [Mingw-msys] Using Dev-C++ with MSYS - make problems - undefined When I added work to try to get mingw to compile winsock properly, the whole thing failed. We are using Qt 5.12.0 and MinGW 64bit for our Windows application. Just noticed building cairo (v1.16.0) with MinGW-w64 7.0.0 also fails with undefined reference to '__strncat_chk' If you would like to refer to this comment somewhere else in this project, copy and paste the following link: I am using a toolchain prebuilt by rubenvb-4.7.0. 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