port pkg qt4-mac error

[Marcus Chou]

Leopard 10.5.2
MacPorts 1.6.0

$ sudo port -d pkg qt4-mac +ssl +examples +demos +cups
failed at:

./JavaScriptCore/kjs/regexp.cpp: In constructor  
'KJS::RegExp::RegExp(const KJS::UString&, int)':
../JavaScriptCore/kjs/regexp.cpp:51: error: cannot convert 'const  
uint16_t*' to 'const char*' for argument '1' to 'pcre*  
pcre_compile(const char*, int, const char**, int*, const unsigned  
char*)'
../JavaScriptCore/kjs/regexp.cpp: In member function 'KJS::UString  
KJS::RegExp::match(const KJS::UString&, int, int*, int**)':
../JavaScriptCore/kjs/regexp.cpp:133: error: cannot convert 'const  
uint16_t*' to 'const char*' for argument '3' to 'int pcre_exec(const  
pcre*, const pcre_extra*, const char*, int, int, int, int*, int)'
make[2]: *** [.obj/release-shared/regexp.o] Error 1
make[1]: *** [release] Error 2
make: *** [sub-webkit-make_default-ordered] Error 2

Warning: the following items did not execute (for qt4-mac):  
org.macports.pkg org.macports.destroot org.macports.build
Error: Status 1 encountered during processing.


last time, when i use
$ sudo port -d install qt4-mac +ssl +examples +demos
where qt4-mac's version is 4.3.4 , nothing wrong occurred.

is this the problem caused by variant 'cups'?
or, how could i upgrade qt4-mac correctly?

many thanks in advance.
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