[HELP] compiling ZDoom problems....

I am trying to get ZDoom compiled under Dev-C++. I imported the MSVC++ project. Also I got myself the sound & openPTC source files.
I get lots of errors in the dehacked.cpp file. I get hundreds of invalid conversion and it points to the massive list of function pointers.
How can I get around this?
Has someone got ZDoom compiled under Dev-C++ before?
I get lots of errors in the dehacked.cpp file. I get hundreds of invalid conversion and it points to the massive list of function pointers.
How can I get around this?
Has someone got ZDoom compiled under Dev-C++ before?