Problems compiling CVS under Windows

When trying to compile ODBC30 e ODBC25 from CVS, i obtaing the following
error:

Creating library .\ODBC30\psqlodbc.lib and object .\ODBC30\psqlodbc.exp
connection.obj : error LNK2001: unresolved external symbol
_CC_lookup_characters
et
connection.obj : error LNK2001: unresolved external symbol _pg_CS_name
dlg_specific.obj : error LNK2001: unresolved external symbol _pg_CS_name
connection.obj : error LNK2001: unresolved external symbol _pg_CS_code
dlg_specific.obj : error LNK2001: unresolved external symbol _pg_CS_code
convert.obj : error LNK2001: unresolved external symbol _encoded_str_constr
info.obj : error LNK2001: unresolved external symbol _encoded_str_constr
misc.obj : error LNK2001: unresolved external symbol _encoded_str_constr
parse.obj : error LNK2001: unresolved external symbol _encoded_str_constr
convert.obj : error LNK2001: unresolved external symbol _encoded_byte_check
convert.obj : error LNK2001: unresolved external symbol _pg_mbschr
convert.obj : error LNK2001: unresolved external symbol _encoded_nextchar
info.obj : error LNK2001: unresolved external symbol _encoded_nextchar
misc.obj : error LNK2001: unresolved external symbol _encoded_nextchar
parse.obj : error LNK2001: unresolved external symbol _encoded_nextchar
.\ODBC30\psqlodbc.dll : fatal error LNK1120: 7 unresolved externals
NMAKE : fatal error U1077: 'link.exe' : return code '0x460'
Stop.

The problem does not present when i compile ODBC Unicode (win32_30w.mak).

What i'm missing?

Thank you in advance,
Denis