To compile the headLossPressure boundary condition run the Allwmake script,
where a supported version of OpenFOAM should be sourced first. 
    This script compiles and links the libheadLossPressureBC.so library to
    OpenFOAM with the standard linking procedure of OpenFOAM.
    
To clean the headLossPressure boundary condition run the Allwclean script.

The source code of the headLossPressure boundary condition is located in:
    src/finiteVolume/fields/fvPatchFields/derived/headLossPressure
