How to build a statically linked version Ceres

[Isaac Gerg]

Hi,

I am on windows 7, x64 using visual studio 2010.  I would like to build Ceres statically,  but cant get past the following linker errors.  What am I doing wrong?

2>libcpmt.lib(cout.obj) : error LNK2005: "public: virtual __cdecl std::basic_ios<char,struct std::char_traits<char> >::~basic_ios<char,struct std::char_traits<char> >(void)" (??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ) already defined in libglog.lib(libglog.dll)

2>libcpmt.lib(cout.obj) : error LNK2005: "protected: __cdecl std::basic_ios<char,struct std::char_traits<char> >::basic_ios<char,struct std::char_traits<char> >(void)" (??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ) already defined in libglog.lib(libglog.dll)

2>libcpmt.lib(cout.obj) : error LNK2005: "public: void __cdecl std::basic_ios<char,struct std::char_traits<char> >::setstate(int,bool)" (?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z) already defined in libglog.lib(libglog.dll)

2>libcpmt.lib(cout.obj) : error LNK2005: "protected: void __cdecl std::basic_ios<char,struct std::char_traits<char> >::init(class std::basic_streambuf<char,struct std::char_traits<char> > *,bool)" (?init@?$basic_ios@DU?$char_traits@D@std@@@std@@IEAAXPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@_N@Z) already defined in libglog.lib(libglog.dll)

2>C:\Users\PSU\Desktop\ceres\ceres-bin\bin\Release\helloworld.exe : fatal error LNK1169: one or more multiply defined symbols found

I have verified that glog is compiled using libcmt.

Thanks in advance,

Isaac

[Sameer Agarwal]

Perhaps this will help?

http://msdn.microsoft.com/en-us/library/72zdcz6f.aspx

Sameer

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[Isaac Gerg]

Already read and investigated that :(

[Isaac Gerg]

I solve the issues.

In addition to building everything with libcmt, I had to add the preprocessor definition of "GOOGLE_GLOG_DLL_DECL=' and put a define in before includes ceres.

#define GLOG_NO_ABBREVIATED_SEVERITIES

#include "ceres/ceres.h"

Hope this makes it into documentation somewhere.

[Sameer Agarwal]

Isaac,

How did you come about this information? and would you be willing to write a patch to the windows building instructions? It would be much appreciated.

Sameer

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[Isaac Gerg]

These two links:

https://code.google.com/p/google-glog/issues/detail?id=60

https://code.google.com/p/gflags/issues/detail?id=37&redir=1

I do not have time to write a patch and test it.  I hate uttering these words since I understand how hard it is to run open source at time -- I have a project of my own.  But, I am really in a time crunch right now.  I am happy to answer questions though about what i did for someone else to create a patch.

[Sameer Agarwal]

Both of these issues that you link to are rather ancient and it seems one of was already fixed in gflags. How are you still seeing them?

Sameer

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[Keir Mierle]

Perhaps try using a static libglog?

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[Isaac Gerg]

So I thought the same thing.  It didnt work.  I still got linking errors when trying to run the curve_fitting example.  The only thing that fixed it was setting the preprocessor definition I mentioned above.