cygwin building error

[cform1]

win2000+cygwin+gcc 3.4.2+poco 1.3

/obj/CYGWIN/i686/debug_shared/PropertyFileConfiguration.o /mnt/d/poco-1.3.0-data
/Util/obj/CYGWIN/i686/debug_shared/Subsystem.o /mnt/d/poco-1.3.0-data/Util/obj/C
YGWIN/i686/debug_shared/SystemConfiguration.o /mnt/d/poco-1.3.0-data/Util/obj/CY
GWIN/i686/debug_shared/XMLConfiguration.o /mnt/d/poco-1.3.0-data/Util/obj/CYGWIN
/i686/debug_shared/FilesystemConfiguration.o /mnt/d/poco-1.3.0-data/Util/obj/CYG
WIN/i686/debug_shared/ServerApplication.o /mnt/d/poco-1.3.0-data/Util/obj/CYGWIN
/i686/debug_shared/Validator.o /mnt/d/poco-1.3.0-data/Util/obj/CYGWIN/i686/debug
_shared/IntValidator.o /mnt/d/poco-1.3.0-data/Util/obj/CYGWIN/i686/debug_shared/
RegExpValidator.o /mnt/d/poco-1.3.0-data/Util/obj/CYGWIN/i686/debug_shared/Optio
nCallback.o -L/mnt/d/poco-1.3.0-data/lib/CYGWIN/i686 -lPocoFoundationd -lPocoXML
d
/mnt/d/poco-1.3.0-data/Util/obj/CYGWIN/i686/debug_shared/Application.o: In funct
ion `_ZN4Poco4Util11Application4initEiPPw':
/mnt/d/poco-1.3.0-data/Util/src/Application.cpp:166: undefined reference to `Poc
o::UnicodeConverter::toUTF8(wchar_t const*, std::basic_stringaits, std::allocator >&)'
Creating library file: /mnt/d/poco-1.3.0-data/lib/CYGWIN/i686/libPocoUtild.dll.a

collect2: ld returned 1 exit status
make[1]: *** [/mnt/d/poco-1.3.0-data/lib/CYGWIN/i686/cygPocoUtild.dll] Error 1
make[1]: Leaving directory `/mnt/d/poco-1.3.0-data/Util'
make: *** [Util-libexec] Error 2


regard