Thanks it resolved the problem but now I get this error:
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clFlush@4 referenced in function "public: void __thiscall MSA::OpenCL::flush(void)" (?flush@OpenCL@MSA@@QAEXXZ)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clFinish@4 referenced in function "public: void __thiscall MSA::OpenCL::finish(void)" (?finish@OpenCL@MSA@@QAEXXZ)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clCreateCommandQueue@20 referenced in function "protected: void __thiscall MSA::OpenCL::createQueue(void)" (?createQueue@OpenCL@MSA@@IAEXXZ)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clGetDeviceInfo@20 referenced in function "protected: int __thiscall MSA::OpenCL::createDevice(int,int)" (?createDevice@OpenCL@MSA@@IAEHHH@Z)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clGetDeviceIDs@24 referenced in function "protected: int __thiscall MSA::OpenCL::createDevice(int,int)" (?createDevice@OpenCL@MSA@@IAEHHH@Z)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clGetPlatformIDs@12 referenced in function "protected: int __thiscall MSA::OpenCL::createDevice(int,int)" (?createDevice@OpenCL@MSA@@IAEHHH@Z)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clCreateContext@24 referenced in function "public: void __thiscall MSA::OpenCL::setup(int,int)" (?setup@OpenCL@MSA@@QAEXHH@Z)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clReleaseContext@4 referenced in function "public: __thiscall MSA::OpenCL::~OpenCL(void)" (??1OpenCL@MSA@@QAE@XZ)
1>MSAOpenCL.obj : error LNK2019: unresolved external symbol _clReleaseCommandQueue@4 referenced in function "public: __thiscall MSA::OpenCL::~OpenCL(void)" (??1OpenCL@MSA@@QAE@XZ)
1>MSAOpenCLBuffer.obj : error LNK2019: unresolved external symbol _clEnqueueReadBuffer@36 referenced in function "public: void __thiscall MSA::OpenCLBuffer::read(void *,int,int,bool)" (?read@OpenCLBuffer@MSA@@QAEXPAXHH_N@Z)
1>MSAOpenCLBuffer.obj : error LNK2019: unresolved external symbol _clEnqueueWriteBuffer@36 referenced in function "public: void __thiscall MSA::OpenCLBuffer::write(void *,int,int,bool)" (?write@OpenCLBuffer@MSA@@QAEXPAXHH_N@Z)
1>MSAOpenCLBuffer.obj : error LNK2019: unresolved external symbol _clEnqueueCopyBuffer@36 referenced in function "public: void __thiscall MSA::OpenCLBuffer::copyFrom(class MSA::OpenCLBuffer &,int,int,int)" (?copyFrom@OpenCLBuffer@MSA@@QAEXAAV12@HHH@Z)
1>MSAOpenCLBuffer.obj : error LNK2019: unresolved external symbol _clCreateBuffer@24 referenced in function "public: void __thiscall MSA::OpenCLBuffer::initBuffer(int,unsigned __int64,void *,bool)" (?initBuffer@OpenCLBuffer@MSA@@QAEXH_KPAX_N@Z)
1>MSAOpenCLBuffer.obj : error LNK2019: unresolved external symbol _clCreateFromGLBuffer@20 referenced in function "public: void __thiscall MSA::OpenCLBuffer::initFromGLObject(unsigned int,unsigned __int64)" (?initFromGLObject@OpenCLBuffer@MSA@@QAEXI_K@Z)
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clEnqueueReadImage@44 referenced in function "public: void __thiscall MSA::OpenCLImage::read(void *,bool,unsigned int *,unsigned int *,unsigned int,unsigned int)" (?read@OpenCLImage@MSA@@QAEXPAX_NPAI2II@Z)
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clEnqueueWriteImage@44 referenced in function "public: void __thiscall MSA::OpenCLImage::write(void *,bool,unsigned int *,unsigned int *,unsigned int,unsigned int)" (?write@OpenCLImage@MSA@@QAEXPAX_NPAI2II@Z)
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clEnqueueCopyImage@36 referenced in function "public: void __thiscall MSA::OpenCLImage::copyFrom(class MSA::OpenCLImage &,unsigned int *,unsigned int *,unsigned int *)" (?copyFrom@OpenCLImage@MSA@@QAEXAAV12@PAI11@Z)
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clCreateImage3D@44 referenced in function "public: void __thiscall MSA::OpenCLImage::initWithoutTexture(int,int,int,unsigned int,unsigned int,unsigned __int64,void *,bool)" (?initWithoutTexture@OpenCLImage@MSA@@QAEXHHHII_KPAX_N@Z)
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clCreateImage2D@36 referenced in function "public: void __thiscall MSA::OpenCLImage::initWithoutTexture(int,int,int,unsigned int,unsigned int,unsigned __int64,void *,bool)" (?initWithoutTexture@OpenCLImage@MSA@@QAEXHHHII_KPAX_N@Z)
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clReleaseMemObject@4 referenced in function "public: void __thiscall MSA::OpenCLImage::initWithoutTexture(int,int,int,unsigned int,unsigned int,unsigned __int64,void *,bool)" (?initWithoutTexture@OpenCLImage@MSA@@QAEXHHHII_KPAX_N@Z)
1>MSAOpenCLMemoryObject.obj : error LNK2001: unresolved external symbol _clReleaseMemObject@4
1>MSAOpenCLImage.obj : error LNK2019: unresolved external symbol _clCreateFromGLTexture2D@28 referenced in function "public: void __thiscall MSA::OpenCLImage::initFromTexture(class ofTexture &,unsigned __int64,int)" (?initFromTexture@OpenCLImage@MSA@@QAEXAAVofTexture@@_KH@Z)
1>MSAOpenCLKernel.obj : error LNK2019: unresolved external symbol _clEnqueueNDRangeKernel@36 referenced in function "public: void __thiscall MSA::OpenCLKernel::run(int,unsigned int *,unsigned int *)" (?run@OpenCLKernel@MSA@@QAEXHPAI0@Z)
1>MSAOpenCLKernel.obj : error LNK2019: unresolved external symbol _clReleaseKernel@4 referenced in function "public: __thiscall MSA::OpenCLKernel::~OpenCLKernel(void)" (??1OpenCLKernel@MSA@@QAE@XZ)
1>MSAOpenCLProgram.obj : error LNK2019: unresolved external symbol _clGetProgramBuildInfo@24 referenced in function "protected: void __thiscall MSA::OpenCLProgram::build(void)" (?build@OpenCLProgram@MSA@@IAEXXZ)
1>MSAOpenCLProgram.obj : error LNK2019: unresolved external symbol _clBuildProgram@24 referenced in function "protected: void __thiscall MSA::OpenCLProgram::build(void)" (?build@OpenCLProgram@MSA@@IAEXXZ)
1>MSAOpenCLProgram.obj : error LNK2019: unresolved external symbol _clGetProgramInfo@20 referenced in function "public: void __thiscall MSA::OpenCLProgram::getBinary(void)" (?getBinary@OpenCLProgram@MSA@@QAEXXZ)
1>MSAOpenCLProgram.obj : error LNK2019: unresolved external symbol _clCreateProgramWithSource@20 referenced in function "public: void __thiscall MSA::OpenCLProgram::loadFromSource(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?loadFromSource@OpenCLProgram@MSA@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)
1>MSAOpenCLProgram.obj : error LNK2019: unresolved external symbol _clCreateKernel@12 referenced in function "public: class MSA::OpenCLKernel * __thiscall MSA::OpenCLProgram::loadKernel(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?loadKernel@OpenCLProgram@MSA@@QAEPAVOpenCLKernel@2@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)
1>testApp.obj : error LNK2019: unresolved external symbol _clSetKernelArg@16 referenced in function "public: void __thiscall MSA::OpenCLKernel::setArg<struct _cl_mem *>(int,struct _cl_mem * &)" (??$setArg@PAU_cl_mem@@@OpenCLKernel@MSA@@QAEXHAAPAU_cl_mem@@@Z)
EDIT: Problem solved, forgot to put OpenCL.lib in linker files, I only had put the path.