Failed to generate all binary outputs

Hi, I am generating Code for a model containing S_Functions in MATLAB 2015b using Simulink and facing the following error. Plz help!

SDF_FTM_PED.obj : error LNK2019: unresolved external symbol Pedestrian_Outputs_wrapper referenced in function SDF_FTM_PED_step 
..\SDF_FTM_PED.exe : fatal error LNK1120: 1 unresolved externals 
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\BIN\amd64\link.EXE"' : return code '0x460' 
Stop. 
The make command returned an error of 2 
'An_error_occurred_during_the_call_to_make' is not recognized as an internal or external command, 
operable program or batch file.
### Build procedure for model: 'SDF_FTM_PED' aborted due to an error.
Error(s) encountered while building "SDF_FTM_PED":
### Failed to generate all binary outputs.

Answer 1

[Astik Sachan]

Try adding the source files that are used for S-function Through

Configuration Parameters -->Code Generation-->Custom Code -->Include list of additional-->Source files.

Answer 2

[Ricardo Jaramillo Diaz]

how can we do that?

[John D'Errico]

Please stop adding answers to multiple old questions, when all you have is another question.