when i rake it
No such file or directory @ rb_sysopen - /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/include/crt_externs.h
~/smb_111/kxsmb/Rakefile:52:in copyIfNotExists' ~/smb_111/kxsmb/Rakefile:235:in checkExtInclude'
~/smb_111/kxsmb/Rakefile:242:in `block in <top (required)>'
Tasks: TOP => default => build_all => build_smb_armv7
I do not konw how to resove this issue