LNK Error 2001 when trying to build on MS VS 2015

[NatholBMX]

Hey,

I would like to try your code but have problems building it. I'm using Windows 10 x64 with MS VS 2015, release configuration x64. Following errors occur when I try to build your project:

segmentation.lib(segmentation.obj): error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual bool __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::computeModelCoefficients(class std::vector<int,class std::allocator<int> > const &,class Eigen::Matrix<float,-1,1,0,-1,1> &)" (?computeModelCoefficients@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAA_NAEBV?$vector@HV?$allocator@H@std@@@std@@AEAV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::getDistancesToModel(class Eigen::Matrix<float,-1,1,0,-1,1> const &,class std::vector<double,class std::allocator<double> > &)" (?getDistancesToModel@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAAXAEBV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@AEAV?$vector@NV?$allocator@N@std@@@std@@@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::selectWithinDistance(class Eigen::Matrix<float,-1,1,0,-1,1> const &,double,class std::vector<int,class std::allocator<int> > &)" (?selectWithinDistance@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAAXAEBV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@NAEAV?$vector@HV?$allocator@H@std@@@std@@@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual int __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::countWithinDistance(class Eigen::Matrix<float,-1,1,0,-1,1> const &,double)" (?countWithinDistance@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAAHAEBV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@N@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::optimizeModelCoefficients(class std::vector<int,class std::allocator<int> > const &,class Eigen::Matrix<float,-1,1,0,-1,1> const &,class Eigen::Matrix<float,-1,1,0,-1,1> &)" (?optimizeModelCoefficients@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAAXAEBV?$vector@HV?$allocator@H@std@@@std@@AEBV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@AEAV56@@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::projectPoints(class std::vector<int,class std::allocator<int> > const &,class Eigen::Matrix<float,-1,1,0,-1,1> const &,class pcl::PointCloud<struct pcl::PointNormal> &,bool)" (?projectPoints@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAAXAEBV?$vector@HV?$allocator@H@std@@@std@@AEBV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@AEAV?$PointCloud@UPointNormal@pcl@@@2@_N@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual bool __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::doSamplesVerifyModel(class std::set<int,struct std::less<int>,class std::allocator<int> > const &,class Eigen::Matrix<float,-1,1,0,-1,1> const &,double)" (?doSamplesVerifyModel@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@UEAA_NAEBV?$set@HU?$less@H@std@@V?$allocator@H@2@@std@@AEBV?$Matrix@M$0?0$00$0A@$0?0$00@Eigen@@N@Z)".
segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""private: virtual bool __cdecl pcl::SampleConsensusModelPlane<struct pcl::PointNormal>::isSampleGood(class std::vector<int,class std::allocator<int> > const &)const " (?isSampleGood@?$SampleConsensusModelPlane@UPointNormal@pcl@@@pcl@@EEBA_NAEBV?$vector@HV?$allocator@H@std@@@std@@@Z)".

[MarkusEich]

Hi, The library builds on pcl library. The code has been developed and tested for ubuntu Linux and gnu Tool chain. Cheers Markus Am 12.06.2017 18:25 schrieb "NatholBMX" <notifications@github.com>:

…

Hey, I would like to try your code but have problems building it. I'm using Windows 10 x64 with MS VS 2015, release configuration x64. Following errors occur when I try to build your project: segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual bool __cdecl pcl:: SampleConsensusModelPlane::computeModelCoefficients(class std::vector<int,class std::allocator > const &,class Eigen::Matrix<float,-1,1,0,-1,1> &)" (?computeModelCoefficients@?$ ***@***.***@pcl@@@pcl <https://github.com/pcl> @@***@***.******@***.***@std@@@std <https://github.com/std> @@***@***.***$0?0$00$0A@***@***.***@@@z <https://github.com/z>)". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl:: SampleConsensusModelPlane::getDistancesToModel(class Eigen::Matrix<float,-1,1,0,-1,1> const &,class std::vector<double,class std::allocator > &)" (?getDistancesToModel@?$SampleConsensusModelPlane@ ***@***.***@@@pcl <https://github.com/pcl>@@***@***.*** $0?0$00$0A@***@***.***@@***@***.******@***.***@std@@@std <https://github.com/std>@@@z <https://github.com/z>)". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl:: SampleConsensusModelPlane::selectWithinDistance(class Eigen::Matrix<float,-1,1,0,-1,1> const &,double,class std::vector<int,class std::allocator > &)" (?selectWithinDistance@?$ ***@***.***@pcl@@@pcl <https://github.com/pcl> @@***@***.***$0?0$00$0A@***@***.***@@naeav ***@***.******@***.***@std@@@std <https://github.com/std>@@@z <https://github.com/z>)". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual int __cdecl pcl:: SampleConsensusModelPlane::countWithinDistance(class Eigen::Matrix<float,-1,1,0,-1,1> const &,double)" (?countWithinDistance@?$ ***@***.***@pcl@@@pcl <https://github.com/pcl> @@***@***.***$0?0$00$0A@***@***.***@@n <https://github.com/n> @z)". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl:: SampleConsensusModelPlane::optimizeModelCoefficients(class std::vector<int,class std::allocator > const &,class Eigen::Matrix<float,-1,1,0,-1,1> const &,class Eigen::Matrix<float,-1,1,0,-1,1> &)" (?optimizeModelCoefficients@?$ ***@***.***@pcl@@@pcl <https://github.com/pcl> @@***@***.******@***.***@std@@@std <https://github.com/std> @@***@***.***$0?0$00$0A@***@***.***@@aeav56@@z <https://github.com/z> )". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual void __cdecl pcl:: SampleConsensusModelPlane::projectPoints(class std::vector<int,class std::allocator > const &,class Eigen::Matrix<float,-1,1,0,-1,1> const &,class pcl::PointCloud &,bool)" (?projectPoints@?$ ***@***.***@pcl@@@pcl <https://github.com/pcl> @@***@***.******@***.***@std@@@std <https://github.com/std> @@***@***.***$0?0$00$0A@***@***.***@@aeav?$PointCloud@ ***@***.***@@@2 <https://github.com/2>@***@***.***)". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""public: virtual bool __cdecl pcl:: SampleConsensusModelPlane::doSamplesVerifyModel(class std::set<int,struct std::less,class std::allocator > const &,class Eigen::Matrix<float,-1,1,0,-1,1> const &,double)" (?doSamplesVerifyModel@ ***@***.***@pcl@@@pcl <https://github.com/pcl>@@***@***.******@***.***@std@@v ***@***.***@2@@std <https://github.com/std> @@***@***.***$0?0$00$0A@***@***.***@@n ***@***.***)". 1>segmentation.lib(segmentation.obj) : error LNK2001: Nicht aufgelöstes externes Symbol ""private: virtual bool __cdecl pcl:: SampleConsensusModelPlane::isSampleGood(class std::vector<int,class std::allocator > const &)const " (?isSampleGood@?$ ***@***.***@pcl@@@pcl <https://github.com/pcl> @@***@***.******@***.***@std@@@std <https://github.com/std>@@ @z <https://github.com/z>)". — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#7>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AEUvZN9G5iTJxUnHYUzfppLU-dkCtYELks5sDWZsgaJpZM4N3Wye> .

[HollisJoe]

Hi, Did you solve the problem? Thank you!

[JR9124]

Hi, @NatholBMX
I have also met the problem as you stated. I try to solve the problem as the following way:
I think the main reason caused these link errors is the code pcl::SampleConsensusModelPlane<pcl::PointNormal>::Ptr model_p(new pcl::SampleConsensusModelPlane<pcl::PointNormal>(sv_centroid_normal_cloud)); in segmentation.cpp , thus, I change the code to pcl::PointCloud<pcl::PointXYZ>::Ptr tmp_cloud(new pcl::PointCloud<pcl::PointXYZ>); pcl::copyPointCloud(*sv_centroid_normal_cloud, *tmp_cloud); pcl::SampleConsensusModelPlane<pcl::PointXYZ>::Ptr model_p(new pcl::SampleConsensusModelPlane<pcl::PointXYZ>(tmp_cloud));. I think this change would not change the result as model_p is only for plane hypothesis generation.
After the change, you can re-compile then you get the error 'can't find Release\segmentation.lib', while you can find segmentation.dll. To solve this, add a new .def file to segmentation project( right click the project in vs, select 'add->new item->code->module define file', the name of the added file is not important and the file could be deleted afterward if you want ), then re-compile.
Note that, the exported dll and lib has no entry, you must change class Segmentation to class __declspec(dllexport) Segmentation in segmentation.hpp. Then re-compile, and you can get the right result.

[emmalzw]

Hi, @NatholBMX I have also met the problem as you stated. I try to solve the problem as the following way: I think the main reason caused these link errors is the code pcl::SampleConsensusModelPlane<pcl::PointNormal>::Ptr model_p(new pcl::SampleConsensusModelPlane<pcl::PointNormal>(sv_centroid_normal_cloud)); in segmentation.cpp , thus, I change the code to pcl::PointCloud<pcl::PointXYZ>::Ptr tmp_cloud(new pcl::PointCloud<pcl::PointXYZ>); pcl::copyPointCloud(*sv_centroid_normal_cloud, *tmp_cloud); pcl::SampleConsensusModelPlane<pcl::PointXYZ>::Ptr model_p(new pcl::SampleConsensusModelPlane<pcl::PointXYZ>(tmp_cloud));. I think this change would not change the result as model_p is only for plane hypothesis generation. After the change, you can re-compile then you get the error 'can't find Release\segmentation.lib', while you can find segmentation.dll. To solve this, add a new .def file to segmentation project( right click the project in vs, select 'add->new item->code->module define file', the name of the added file is not important and the file could be deleted afterward if you want ), then re-compile. Note that, the exported dll and lib has no entry, you must change class Segmentation to class __declspec(dllexport) Segmentation in segmentation.hpp. Then re-compile, and you can get the right result.

THX! Your answer is very useful and I successlly compiled already.
But why after changing the class pcl::SampleConsensusModelPlane<pcl::PointNormal>to the class pcl::SampleConsensusModelPlane<pcl::PointNormal> the code work?
Can u tell me the reason? :)