Error 1 Error Lnk2005 Dllmain @12 Already Defined In Msvcrtd.lib
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Can't get by “DllMain already defined” error up vote 2 down vote favorite I'm trying to write a .dll library for .dll injection purposes. And because of this fact, it must have a routine called DllMain, since this is what will be used as the entry point. I think my problem may be stemming from the fact that I'm linking in a static library that I've wrote which utilizes a threads and mutexes from afxmt.h. Because somewhere down the line, the inclusion of this is causing the linker to link from mfcs100ud.lib which apparently contains its own version of DllMain. Here is the file that is giving me trouble: dllmain.cpp #include "stdafx.h" #include
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up _DllMain@12 already defined up vote 2 down vote favorite I try to build subproject ExplorerPlugin from mDNSResponder-107.6.tar.gz archive but receive next link error: uafxcwd.lib(dllmodul.obj) : error LNK2005: _DllMain@12 already defined how to solve it? http://stackoverflow.com/questions/9184253/cant-get-by-dllmain-already-defined-error dll mfc share|improve this question edited Jul 8 '15 at 10:22 Himanshu 3,767111732 asked Dec 27 '10 at 14:08 vinnitu 1,49952444 add a comment| 2 Answers 2 active oldest votes up vote 3 down vote accepted Looks like you are using MFC. It already has a DllMain entrypoint, required to initialize MFC properly. Check this KB article for recommended workarounds. Hard to otherwise provide a better answer, you didn't provide a link and it looks to me like this is http://stackoverflow.com/questions/4539238/dllmain12-already-defined Apple code, very un-mfc-ish. share|improve this answer answered Dec 27 '10 at 16:43 Hans Passant 653k819571602 yes, that is apple code –vinnitu Dec 29 '10 at 8:19 add a comment| up vote 6 down vote I had exactly the same problem and this fixed it: http://stackoverflow.com/a/19930430/625227 Enter this code in the .cpp file where your DLLMain function is extern "C" { int _afxForceUSRDLL; } share|improve this answer answered Nov 13 '13 at 4:42 Grant 78579 Perfect, this one works. This answer should be marked as accepted ;) –Peter Jul 3 '15 at 12:24 Life saver. Thanks –Brad Bruce Mar 31 at 12:42 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Browse other questions tagged dll mfc or ask your own question. asked 5 years ago viewed 6071 times active 1 year ago Related 1Linker fails to link my application (XXXX already defined in XXXX.obj)0LNK2005: delete already defined error in VC++0Prevent MFC ActiveX control from using DLLs that are already loaded into the process2Can't get by “DllMain already defined” error0Using a Dialog Box in a c++ dll project1What
Visual Studio Languages , Windows Desktop Development > Visual C++ Question 0 Sign in to vote hi to all Actually i open a visual C++ https://social.msdn.microsoft.com/Forums/vstudio/en-US/0b154e1c-141f-4567-bb24-1ac7c8ee2713/project-error-lnk2005-dllmain12-already-defined-in-msvcrtlibdllmainobj?forum=vcgeneral 6.0 project on Visual C++.net and i got many errors and i resolve most of them but i cant resolve these two errors. these are the errors summary: Project error LNK2005: _DllMain@12 already defined in MSVCRT.lib(dllmain.obj)Project fatal error LNK1169: one or more multiply defined symbols found So please help in this regard it is urgent thing for me . Thanks in error 1 Advance. bye Tuesday, January 24, 2006 5:05 AM Reply | Quote Answers 1 Sign in to vote Read this: http://support.microsoft.com/default.aspx?scid=kb;en-us;q148652 In most cases it its sufficent to place the #include