Re: a query about TORCS

Dear Folks,
 
I think I may know about the reason now. As TORCS used the plib open GL library, I also need to recompile the plib library with the multi-threaded C Runtime library.
 
Regards,
Pan Ke

________________________________

From: #PAN KE# [mailto:[email protected]]
Sent: Thu 8/6/2009 6:31 PM
To: [email protected]
Subject: [Torcs-devel] a query about TORCS


Dear Folks,
 
I have a query about the compilation and execution of TORCS. The platform I am working on is Windows VC6. I have downloaded the TORCS source code and compiled and executed it successfully under VC6 with the default debug mode setting (C Runtime library used is Debug Single Threaded).
 
With the code unchanged, I change the C Runtime library to Debug Multithreaded DLL, the compilation complains about the missing definition of _errno. I solved this compilation error with the addition of a libc_errno.c with the following code in the client project:
 
extern int * _errno(); 
int errno() { return (*_errno()); };
 
The compilation works fine. However, when I run it, a problem occurs complaing about access violation.
 
Does anyone know the reason? Why just changing the usage of single threaded library to the usage of multithreaded library causes such a serious problem?
 
Thanks very much.
 
Regards,
Pan Ke

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