Hi all
I have just bought MacBook to start Iphone app programming.

I installed Xcode 3.2 from the installation DVD of Mac.
Then I tried doing the sample tutorial from
Mac Dev Center: Interface Builder User Guide: Interface Builder Quick Start

The Quartz Composer View that I was building was working fine till I was adding Pause and Play button.

When I was creating AppController classes as it was told there, I got 3 errors and the build is failed. Now I am stuck there and could not proceed any further.

Should I have to change any settings or do anything more than just installing XCode to run the program?

The errors that I got in the program was:


Build QCDemo of project QCDemo with configuration Debug

Ld build/Debug/QCDemo.app/Contents/MacOS/QCDemo normal i386
cd /QCDemo
setenv MACOSX_DEPLOYMENT_TARGET 10.5
/Developer/usr/bin/gcc-4.2 -arch i386 -isysroot /Developer/SDKs/MacOSX10.5.sdk -L/QCDemo/build/Debug -F/QCDemo/build/Debug -filelist /QCDemo/build/QCDemo.build/Debug/QCDemo.build/Objects-normal/i386/QCDemo.LinkFileList -mmacosx-version-min=10.5 -framework Cocoa -framework Quartz -o /QCDemo/build/Debug/QCDemo.app/Contents/MacOS/QCDemo

Undefined symbols:
"__Block_object_dispose", referenced from:
___destroy_helper_block_1 in AppController.o
___destroy_helper_block_1 in AppController.o
"__Block_object_assign", referenced from:
___copy_helper_block_1 in AppController.o
___copy_helper_block_1 in AppController.o
"__NSConcreteStackBlock", referenced from:
__NSConcreteStackBlock$non_lazy_ptr in AppController.o
ld: symbol(s) not found
collect2: ld returned 1 exit status


Thanks