Microsoft Visual Studio .NET linking errors



Hi All,

If this is the wrong newsgroup for this question, please let me know what is
the correct newsgroup. I am using Microsoft Visual Studio NET version 7.1.
I have persisistent linking errors with a particular project despite
cleaning and re-creating the project from scratch. CbcCompareGrun.hpp/cpp
and CbcModel.hpp/cpp contain no reference at all to lock or unlock. Thanks
for helping.


>
> ------ Build started: Project: osiLib, Configuration: Debug Win32 ------
>
> osiLib - up-to-date.
>
>
> ------ Build started: Project: osiClpLib, Configuration: Debug
> Win32 ------
>
> osiClpLib - up-to-date.
>
>
> ------ Build started: Project: coinLib, Configuration: Debug Win32 ------
>
> coinLib - up-to-date.
>
>
> ------ Build started: Project: clpLib, Configuration: Debug Win32 ------
>
> clpLib - up-to-date.
>
>
> ------ Build started: Project: cglLib, Configuration: Debug Win32 ------
>
> cglLib - up-to-date.
>
>
> ------ Build started: Project: cbcSamplesSample2aa, Configuration: Debug
> Win32 ------
>
> Linking...
> LINK : warning LNK4075: ignoring '/EDITANDCONTINUE' due to
> '/INCREMENTAL:NO'
> specification
> libcpmtd.lib(xmutex.obj) : error LNK2005: "public: void __thiscall
> std::_Mutex::_Lock(void)" (?_Lock@_Mutex@std@@QAEXXZ) already defined in
> cbcLib.lib(CbcCompareGrun.obj)
> libcpmtd.lib(xmutex.obj) : error LNK2005: "public: void __thiscall
> std::_Mutex::_Unlock(void)" (?_Unlock@_Mutex@std@@QAEXXZ) already defined
> in
> cbcLib.lib(CbcCompareGrun.obj)
> libcpmtd.lib(xlock.obj) : error LNK2005: "public: __thiscall
> std::_Lockit::_Lockit(int)" (??0_Lockit@std@@QAE@H@Z) already defined in
> cbcLib.lib(CbcCompareGrun.obj)
> libcpmtd.lib(xlock.obj) : error LNK2005: "public: __thiscall
> std::_Lockit::~_Lockit(void)" (??1_Lockit@std@@QAE@XZ) already defined in
> cbcLib.lib(CbcCompareGrun.obj)
> LINK : warning LNK4098: defaultlib 'LIBCD' conflicts with use of other
> libs;
> use /NODEFAULTLIB:library
>
E:\b4\NEWCOIN\c\COIN\Win-VSNET\cbcSamplesSample2aa\Debug\cbcSamplesSample2aa.exe

>
> : fatal error LNK1169: one or more multiply defined symbols found
>
> Build log was saved at
> "
>
file://e:\b4\Newcoin\c\Coin\Win-VSNET\cbcSamplesSample2aa\Debug\BuildLog.htm

> "
> cbcSamplesSample2aa - 5 error(s), 2 warning(s)
>
>
> ---------------------- Done ----------------------
>
> Build: 7 succeeded, 1 failed, 0 skipped
>
>

After paring down CbcCompareGrun.hpp/cpp, the following linking errors
result:


------ Build started: Project: osiLib, Configuration: Debug Win32 ------

osiLib - up-to-date.


------ Build started: Project: cbcLib, Configuration: Debug Win32 ------

cbcLib - up-to-date.


------ Build started: Project: clpLib, Configuration: Debug Win32 ------

clpLib - up-to-date.


------ Build started: Project: cglLib, Configuration: Debug Win32 ------

cglLib - up-to-date.


------ Build started: Project: coinLib, Configuration: Debug Win32 ------

coinLib - up-to-date.


------ Build started: Project: cbcSamplesSamples2b, Configuration: Debug
Win32 ------

Linking...
LINK : warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/INCREMENTAL:NO'
specification
libcpmtd.lib(xmutex.obj) : error LNK2005: "public: void __thiscall
std::_Mutex::_Lock(void)" (?_Lock@_Mutex@std@@QAEXXZ) already defined in
cbcLib.lib(CbcModel.obj)
libcpmtd.lib(xmutex.obj) : error LNK2005: "public: void __thiscall
std::_Mutex::_Unlock(void)" (?_Unlock@_Mutex@std@@QAEXXZ) already defined in
cbcLib.lib(CbcModel.obj)
LINK : warning LNK4098: defaultlib 'LIBCD' conflicts with use of other libs;
use /NODEFAULTLIB:library
LINK : error LNK2020: unresolved token (0A00003B) CbcCompareUser.__dtor
LINK : fatal error LNK1120: 1 unresolved externals

Build log was saved at
"file://e:\b4\Newcoin\c\Coin\Win-VSNET\cbcSamplesSamples2b\Debug\BuildLog.htm"
cbcSamplesSamples2b - 4 error(s), 2 warning(s)


---------------------- Done ----------------------

Build: 7 succeeded, 1 failed, 0 skipped



Gabrielle A. Grün, Ph.D. Student
School of Computing Science
Simon Fraser University
8888 University Drive
Burnaby, BC
V5A 1S6
<http://www.cs.sfu.ca/~grun>


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