what this errors means when i try to compile ibcs on woody

[Listas <listas@kernelinformatica.com.br>]

what this errors means when i try to compile ibcs on woody:

In file included from binfmt_coff.c:62:
../include/ibcs/ibcs.h:47: warning: function declaration isn't a prototype
binfmt_coff.c:135: warning: initialization from incompatible pointer type
binfmt_coff.c: In function `load_object':
binfmt_coff.c:570: warning: implicit declaration of function 
`create_ibcs_tables'
binfmt_coff.c:753: `PF_PTRACED' undeclared (first use in this function)
binfmt_coff.c:753: (Each undeclared identifier is reported only once
binfmt_coff.c:753: for each function it appears in.)
binfmt_coff.c: In function `load_coff_library':
binfmt_coff.c:1032: warning: `status' might be used uninitialized in 
this function
make: *** [binfmt_coff.o] Error 1

Anyone can help me?

tks