ADD: detect function prototypes


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5172 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: compiles and links now on Linux; still untested


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5173 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: some more fixes to make DCMTK compile


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5174 42a5c34f-2066-0410-bec5-ba365beb4995