../qtmobility/configure -qmake-exec ~/Qt/Desktop/Qt/473/gcc/bin/qmake -sdk /Developer/SDKs/MacOSX10.5.sdk/

results in the following errors:

Undefined symbols:
"_kCWSSIDDidChangeNotification", referenced from:
-[QtMNSListener init] in qsysteminfo_mac.o
"_kCWModeDidChangeNotification", referenced from:
-[QtMNSListener init] in qsysteminfo_mac.o
"_kCWPowerDidChangeNotification", referenced from:
-[QtMNSListener init] in qsysteminfo_mac.o
"_kCWCountryCodeDidChangeNotification", referenced from:
-[QtMNSListener init] in qsysteminfo_mac.o
"_kCWBSSIDDidChangeNotification", referenced from:
-[QtMNSListener init] in qsysteminfo_mac.o
"OBJC_CLASS$_CLLocationManager", referenced from:
objc-class-ref-to-CLLocationManager in qsysteminfo_mac.o
"_kCWLinkDidChangeNotification", referenced from:
-[QtMNSListener init] in qsysteminfo_mac.o
"OBJC_CLASS$_CWInterface", referenced from:
objc-class-ref-to-CWInterface in qsysteminfo_mac.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[3]: *** [../../lib/QtSystemInfo.framework/QtSystemInfo_debug] Error 1
make[2]: *** [debug-install] Error 2
make[1]: *** [sub-systeminfo-install_subtargets] Error 2
make: *** [sub-src-install_subtargets-ordered] Error 2