我更新到xcode 7 beta，但是当我想尝试将应用程序安装到我的iphone而不是模拟器上时，我遇到了超过250个错误，其中很多都说
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/cdefs.h:707:2: Unsupported architecture
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/machine/_types.h:34:2: Architecture not supported
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h:55:9: Unknown type name '__int64_t'
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h:56:9: Unknown type name '__int32_t'
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h:57:9: Unknown type name '__int32_t'
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h:60:9: Unknown type name '__uint32_t'
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h:61:9: Unknown type name '__uint32_t'
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/usr/include/sys/_types.h:62:9: Unknown type name '__uint64_t'; did you mean 'uint64_t'?
...
..
..
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/System/Library/Frameworks/CoreFoundation.framework/Headers/CoreFoundation.h:11:10: Could not build module 'Darwin'
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h:6:10: Could not build module 'CoreFoundation'
Could not build module 'Foundation'
Could not build module 'CoreBluetooth'
但是在模拟器上没问题。 我已经尝试将架构改为armv7和armv7s。
在我更新到xcode 7 beta之前它也工作正常，现在我不能使用xcode 6.x。
我重新安装了xcode 7 beta。同样的事情。