CFD Online Discussion Forums - Error while adding a new boundary condition

Hello everyone,
I am trying to add a new boundary condition for epsilon using wmake libso.
I have successfully compiled the boundary condition and added the library in controlDict. However while running simpleFoam, I am getting the following error

Code:

--> FOAM Warning :

    From function void* Foam::dlOpen(const Foam::fileName&, bool)

    in file POSIX.C at line 1251

    dlopen error : /home/subhojik/OpenFOAM/subhojik-8/platforms/linux64GccDPInt32Opt/lib/libmyEpsilonFreeSurface.so: undefined symbol: _ZTVN4Foam38myEpsilonFreeSurfaceFvPatchScalarFieldE

--> FOAM Warning :

    From function bool Foam::dlLibraryTable::open(const Foam::fileName&, bool)

    in file db/dynamicLibrary/dlLibraryTable/dlLibraryTable.C at line 106

    could not load "libmyEpsilonFreeSurface.so"

Code:

.....

--> FOAM FATAL IO ERROR:

Unknown patchField type myEpsilonFreeSurface for patch type patch



Valid patchField types are :

......

The Make/files and options are

Code:

fvPatchFields = fields/fvPatchFields

derivedFvPatchFields = $(fvPatchFields)/derived

$(derivedFvPatchFields)/myEpsilonFreeSurface/myEpsilonFreeSurfaceFvPatchScalarField.C



LIB = $(FOAM_USER_LIBBIN)/libmyEpsilonFreeSurface

and

Code:

EXE_INC = \

    -I$(LIB_SRC)/meshTools/lnInclude \

    -I$(LIB_SRC)/finiteVolume/lnInclude \



LIB_LIBS = \

    -lmeshTools \

    -lfiniteVolume

Could you please suggest the necessary correction? I am using OF 8 in Win 10.
Thanking you.

Subhojit