Undefined symbols for architecture i386:
沁心 2012-03-25 11:53:04 Undefined symbols for architecture i386:
"_CGContextBeginPath", referenced from:
-[DrawView drawRect:] in DrawView.o
"_CGContextMoveToPoint", referenced from:
-[DrawView drawRect:] in DrawView.o
"_CGContextAddLineToPoint", referenced from:
-[DrawView drawRect:] in DrawView.o
"_CGContextClosePath", referenced from:
-[DrawView drawRect:] in DrawView.o
"_CGContextDrawPath", referenced from:
-[DrawView drawRect:] in DrawView.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
请问该怎样修改喃???