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标题: Object c 编译出问题 [打印本页]

作者: 77媛儿 时间: 2014-2-22 22:07
标题: Object c 编译出问题

implicit declaration of function 'NSlog' is

invalid in C99 [-Wimplicit-function-declaration]

NSlog(@"hahaha");

1 warning generated.

Undefined symbols for architecture x86_64:

"_NSlog", referenced from:

_main in 08-第二个OC的类-675h5l.o

"___CFConstantStringClassReference", referenced from:

CFString in 08-第二个OC的类-675h5l.o

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

Undefined symbols for architecture x86_64:

"_NSLog", referenced from:

-[Person walk] in 08-第二个OC的类-k6D7Eq.o

-[Person eat] in 08-第二个OC的类-k6D7Eq.o

"_OBJC_CLASS_$_NSObject", referenced from:

_OBJC_CLASS_$_Person in 08-第二个OC的类-k6D7Eq.o

"_OBJC_METACLASS_$_NSObject", referenced from:

_OBJC_METACLASS_$_Person in 08-第二个OC的类-k6D7Eq.o

"___CFConstantStringClassReference", referenced from:

CFString in 08-第二个OC的类-k6D7Eq.o

"__objc_empty_cache", referenced from:

_OBJC_METACLASS_$_Person in 08-第二个OC的类-k6D7Eq.o

_OBJC_CLASS_$_Person in 08-第二个OC的类-k6D7Eq.o

"__objc_empty_vtable", referenced from:

_OBJC_METACLASS_$_Person in 08-第二个OC的类-k6D7Eq.o

_OBJC_CLASS_$_Person in 08-第二个OC的类-k6D7Eq.o

"_objc_msgSend", referenced from:

_main in 08-第二个OC的类-k6D7Eq.o

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

作者: z82454642 时间: 2014-2-23 21:38
是不是编译的时候没加-framework Foundation 啊

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