太奇怪了，昨天早上一切正常，但是在尝试在物理iOS设备上安装后，我什至无法启动React Native项目，在npx react-native init MyNewApp命令之后，我收到此错误：
clang: warning: using sysroot for 'iPhoneOS' but targeting 'MacOSX' [-Wincompatible-sysroot]
ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/lib/libc++.tbd, missing required architecture x86_64 in file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/lib/libc++.tbd (4 slices)
ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/lib/libSystem.tbd, missing required architecture x86_64 in file /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/lib/libSystem.tbd (4 slices)
clang: warning: using sysroot for 'iPhoneOS' but targeting 'MacOSX' [-Wincompatible-sysroot]
In file included from ../fsevents.cc:6:
In file included from ../../nan/nan.h:55:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv.h:52:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv/errno.h:25:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/errno.h:31:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/errno.h:23:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/errno.h:72:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/cdefs.h:807:2: error: Unsupported architecture
#error Unsupported architecture
^
In file included from ../fsevents.cc:6:
In file included from ../../nan/nan.h:55:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv.h:55:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/stdio.h:107:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/stdio.h:64:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_stdio.h:71:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_types.h:27:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:33:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/machine/_types.h:34:2: error: architecture not supported
#error architecture not supported
^
In file included from ../fsevents.cc:6:
In file included from ../../nan/nan.h:55:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv.h:55:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/stdio.h:107:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/stdio.h:64:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_stdio.h:71:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_types.h:27:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:55:9: error: unknown type name '__int64_t'; did you mean
'__int128_t'?
typedef __int64_t __darwin_blkcnt_t; /* total blocks */
^
note: '__int128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:56:9: error: unknown type name '__int32_t'; did you mean
'__int128_t'?
typedef __int32_t __darwin_blksize_t; /* preferred block size */
^
note: '__int128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:57:9: error: unknown type name '__int32_t'; did you mean
'__int128_t'?
typedef __int32_t __darwin_dev_t; /* dev_t */
^
note: '__int128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:60:9: error: unknown type name '__uint32_t'; did you mean
'__uint128_t'?
typedef __uint32_t __darwin_gid_t; /* [???] process and group IDs */
^
note: '__uint128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:61:9: error: unknown type name '__uint32_t'; did you mean
'__uint128_t'?
typedef __uint32_t __darwin_id_t; /* [XSI] pid_t, uid_t, or gid_t*/
^
note: '__uint128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:62:9: error: unknown type name '__uint64_t'; did you mean
'__uint128_t'?
typedef __uint64_t __darwin_ino64_t; /* [???] Used for 64 bit inodes */
^
note: '__uint128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:68:9: error: unknown type name '__darwin_natural_t'
typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
^
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:70:9: error: unknown type name '__uint16_t'; did you mean
'__uint128_t'?
typedef __uint16_t __darwin_mode_t; /* [???] Some file attributes */
^
note: '__uint128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:71:9: error: unknown type name '__int64_t'; did you mean
'__int128_t'?
typedef __int64_t __darwin_off_t; /* [???] Used for file sizes */
^
note: '__int128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:72:9: error: unknown type name '__int32_t'; did you mean
'__int128_t'?
typedef __int32_t __darwin_pid_t; /* [???] process and group IDs */
^
note: '__int128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:73:9: error: unknown type name '__uint32_t'; did you mean
'__uint128_t'?
typedef __uint32_t __darwin_sigset_t; /* [???] signal set */
^
note: '__uint128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:74:9: error: unknown type name '__int32_t'; did you mean
'__int128_t'?
typedef __int32_t __darwin_suseconds_t; /* [???] microseconds */
^
note: '__int128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:75:9: error: unknown type name '__uint32_t'; did you mean
'__uint128_t'?
typedef __uint32_t __darwin_uid_t; /* [???] user IDs */
^
note: '__uint128_t' declared here
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types.h:76:9: error: unknown type name '__uint32_t'; did you mean
'__uint128_t'?
typedef __uint32_t __darwin_useconds_t; /* [???] microseconds */
^
note: '__uint128_t' declared here
In file included from ../fsevents.cc:6:
In file included from ../../nan/nan.h:55:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv.h:55:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/stdio.h:107:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/stdio.h:64:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_stdio.h:71:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_types.h:43:9: error: unknown type name '__uint32_t'; did you mean
'__uint128_t'?
typedef __uint32_t __darwin_wctype_t;
^
note: '__uint128_t' declared here
In file included from ../fsevents.cc:6:
In file included from ../../nan/nan.h:55:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv.h:55:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/stdio.h:107:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/stdio.h:64:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_stdio.h:75:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types/_va_list.h:31:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/machine/types.h:37:2: error: architecture not supported
#error architecture not supported
^
In file included from ../fsevents.cc:6:
In file included from ../../nan/nan.h:55:
In file included from /Users/amerllica/Library/Caches/node-gyp/12.18.0/include/node/uv.h:55:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/stdio.h:107:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/stdio.h:64:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/_stdio.h:75:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk/usr/include/sys/_types/_va_list.h:32:9: error: unknown type name
'__darwin_va_list'
typedef __darwin_va_list va_list;
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
make: *** [Release/obj.target/fse/fsevents.o] Error 1
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack at ChildProcess.onExit (/Users/amerllica/.nvm/versions/node/v12.18.0/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:194:23)
gyp ERR! stack at ChildProcess.emit (events.js:315:20)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:275:12)
gyp ERR! System Darwin 19.5.0
gyp ERR! command "/Users/amerllica/.nvm/versions/node/v12.18.0/bin/node" "/Users/amerllica/.nvm/versions/node/v12.18.0/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/amerllica/.npm/_npx/15892/lib/node_modules/react-native/node_modules/fsevents
gyp ERR! node -v v12.18.0
gyp ERR! node-gyp -v v5.1.0
gyp ERR! not ok
我尝试了很多方法，甚至我卸载了XCode，然后重新安装XCode。 从头开始设置所有内容，但是我在初始化React Native应用程序时收到此错误。
通过以下步骤，一切回到正轨：
- 注销
- 重新 启动
这太奇怪了，但是完全关闭系统而不保持打开的程序状态是解决方案。