more newbee problems

[casteeld]

Again having trouble compiling windows programs.

No mater what I've tried I'm getting the following link errors:
Can anyone tell me which library these references are in?

C:\TMP\cc0010001.o(.text+0xa8):main.cc: undefined reference to
`WindowClass::WindowClass(long (*)(void *, unsigned int, unsigned int,
long), char const *, void *)'
C:\TMP\cc0010001.o(.text+0xcd):main.cc: undefined reference to
`Window::Window(char const *, char const *, void *)'
C:\TMP\cc0010001.o(.text+0x80d):main.cc: undefined reference to
`AboutDlgProc__FPvUiUil@16'
g++: Internal compiler error: program ld got fatal signal 1
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