[OpenSBC] error building on freebsd 7.1

[Richard E. N. <r....@gm...>]

gmake[5]: Entering directory 
`/usr/local/work/OpenSBC-1-1-5_RC3/opensipstack/src/pwlib/src/ptlib/unix'
g++ -D_REENTRANT -I/usr/local/include -Wall  -g -D_DEBUG -DNDEBUG -
I/usr/local/work/OpenSBC-1-1-5_RC3/opensipstack/include    -c 
../common/vfakeio.cxx -o 
/usr/local/work/OpenSBC-1-1-5_RC3/opensipstack/lib/obj_FreeBSD_x86_d/vfakeio.o
../common/vfakeio.cxx:1404: error: prototype for 'PVideoFont::LetterData* 
PVideoFont::GetLetterData(char)' does not match any in class 'PVideoFont'
/usr/local/include/ptlib/videoio.h:1131: error: candidate is: static const 
PVideoFont::LetterData* PVideoFont::GetLetterData(char)
../common/vfakeio.cxx:1404: error: 'PVideoFont::LetterData* 
PVideoFont::GetLetterData(char)' cannot be overloaded
/usr/local/include/ptlib/videoio.h:1131: error: with 'static const 
PVideoFont::LetterData* PVideoFont::GetLetterData(char)'
../common/vfakeio.cxx: In member function 'virtual BOOL 
PVideoInputDevice_FakeVideo::GetFrameData(BYTE*, PINDEX*)':
../common/vfakeio.cxx:1748: error: 'frameTimeError' was not declared in this 
scope
../common/vfakeio.cxx:1748: error: 'msBetweenFrames' was not declared in this 
scope
../common/vfakeio.cxx:1751: error: 'previousFrameTime' was not declared in 
this scope
../common/vfakeio.cxx: In member function 'void 
PVideoInputDevice_FakeVideo::GrabTextVideoFrame(BYTE*)':
../common/vfakeio.cxx:2151: error: 'PProcess' has not been declared
../common/vfakeio.cxx:2152: error: 'PProcess' has not been declared
../common/vfakeio.cxx:2153: error: 'PProcess' has not been declared
../common/vfakeio.cxx:2162: error: invalid conversion from 'const 
PVideoFont::LetterData*' to 'PVideoFont::LetterData*'
../common/vfakeio.cxx:2164: error: invalid conversion from 'const 
PVideoFont::LetterData*' to 'PVideoFont::LetterData*'


I need a fix for this as I am trying to get this unit up and into a working 
status