古いバージョンのアプリ ios 4.3 をビルドすると、この警告が表示されます
Undefined symbols for architecture armv7s:
"_OBJC_CLASS_$_SSSwitch", referenced from:
objc-class-ref in LoginViewController.o
"_OBJC_CLASS_$_SSHUDView", referenced from:
objc-class-ref in ContractorInfoViewController.o
objc-class-ref in ContractorListViewController.o
objc-class-ref in EvenementBilleterieViewController.o
objc-class-ref in EvenementCoupDeCoeurViewController.o
objc-class-ref in EvenementRequestViewController.o
objc-class-ref in GourmetCoupDeCoeurViewController.o
objc-class-ref in GourmetRequestViewController.o
...
ld: symbol(s) not found for architecture armv7s
clang: error: linker command failed with exit code 1 (use -v to see invocation)
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