Hi,

We are in the process of upgrading from Visual Studio 2008 to Visual Studio 2010. I rebuilt all projects in VS2010 and the only one that failed is the one that links to CyApi.lib. Here are the errors I am getting:

13>C:\Program Files\MSBuild\Microsoft.Cpp\v4.0\Microsoft.CppBuild.targets(990,5): warning MSB8012: TargetPath(C:\Users\John\Development\trunk\USB\.\Debug\USB.dll) does not match the Linker's OutputFile property value (C:\Users\John\Development\trunk\Bin\USBD.dll). This may cause your project to build incorrectly. To correct this, please make sure that $(OutDir), $(TargetName) and $(TargetExt) property values match the value specified in %(Link.OutputFile).

13>C:\Program Files\MSBuild\Microsoft.Cpp\v4.0\Microsoft.CppBuild.targets(992,5): warning MSB8012: TargetName(USB) does not match the Linker's OutputFile property value (USBD). This may cause your project to build incorrectly. To correct this, please make sure that $(OutDir), $(TargetName) and $(TargetExt) property values match the value specified in %(Link.OutputFile).

13>LIBCMT.lib(sprintf.obj) : error LNK2005: _sprintf already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(tidtable.obj) : error LNK2005: __encoded_null already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(printf.obj) : error LNK2005: _printf already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(mlock.obj) : error LNK2005: __unlock already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(mlock.obj) : error LNK2005: __lock already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(winxfltr.obj) : error LNK2005: ___CppXcptFilter already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(crt0dat.obj) : error LNK2005: __initterm_e already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(crt0dat.obj) : error LNK2005: __amsg_exit already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(atox.obj) : error LNK2005: _atoi already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(hooks.obj) : error LNK2005: "void __cdecl terminate(void)" (?terminate@@YAXXZ) already defined in msvcrtd.lib(MSVCR100D.dll)

13>LIBCMT.lib(crt0init.obj) : error LNK2005: ___xi_a already defined in msvcrtd.lib(cinitexe.obj)

13>LIBCMT.lib(crt0init.obj) : error LNK2005: ___xi_z already defined in msvcrtd.lib(cinitexe.obj)

13>LIBCMT.lib(crt0init.obj) : error LNK2005: ___xc_a already defined in msvcrtd.lib(cinitexe.obj)

13>LIBCMT.lib(crt0init.obj) : error LNK2005: ___xc_z already defined in msvcrtd.lib(cinitexe.obj)

13>     Creating library ../Bin/USBD.lib and object ../Bin/USBD.exp

13>LINK : warning LNK4098: defaultlib 'msvcrtd.lib' conflicts with use of other libs; use /NODEFAULTLIB:library

13>LINK : warning LNK4098: defaultlib 'LIBCMT' conflicts with use of other libs; use /NODEFAULTLIB:library

13>LIBCMT.lib(crt0.obj) : error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup

13>../Bin/USBD.dll : fatal error LNK1120: 1 unresolved externals

Has anyone seen this before? If so, what can I do to get this to build?

Thanks!

JAB

The CyAPI.lib currently available through the site was compiled with VS2008. Usually backward compatibility is maintained so I'm little confused about why VS2010 is not able to compile.

One thing that strikes me is that if the issue is due to CyAPI.lib then there would have been a few error statement with CyAPI.lib in them which is not the case here. Have you tried tweaking the project properties based on Microsoft KBs?? for eg: http://support.microsoft.com/kb/148652

Regards,

Anand

 Thanks for your reply.

I had already looked at the kb article you referenced, but since you mentioned it, I took a closer look. I checked my code to make sure I am doing what was suggested in the article. The code was already organized correctly.

I have solved the problem! My project settings had several libraries specified to ignore. Just for grins, I removed them all from the settings and built again. Still errors. Then I added one of them back in (libcmt.lib) and rebuilt. Success!

/NODEFAULTLIB:libcmt.lib

JAB

The latest suiteusb version (3.4.6) support VS2010 (http://www.cypress.com/?rID=34870)