Ok, solved, it was including system unistr.h, and not ICU unistr.h: Probably wrongly set ICUROOT.
> I encountered problem compiling xalan on solaris:
>
[...]
> /press_mnt1/Vlada/xml-xalan/c/src/xalanc/ICUBridge/ICUBridgeCollationCompareFunctorImpl.cpp:58:
> /usr/include/unicode/unistr.h: In function `void uprv_arrayCopy(const
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[...]
--
Vladimír Marek
