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Xcode build error #23

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zhang-wenchao opened this issue Jun 17, 2019 · 3 comments
Closed

Xcode build error #23

zhang-wenchao opened this issue Jun 17, 2019 · 3 comments

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@zhang-wenchao
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➜  xcodebuild -project RongCloudIMLib.xcodeproj -scheme RongCloudIMLib -sdk iphonesimulator -quiet
warning: The iOS Simulator deployment target is set to 7.0, but the range of supported deployment target versions for this platform is 8.0 to 12.2.99. (in target 'RNDocumentPicker')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a' on task: Libtool /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a normal x86_64 (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: Libtool /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a normal x86_64 (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum-dtoa.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum-dtoa.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/cached-powers.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/cached-powers.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/diy-fp.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/diy-fp.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/double-conversion.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/double-conversion.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fast-dtoa.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fast-dtoa.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fixed-dtoa.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fixed-dtoa.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/ieee.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/ieee.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/strtod.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/strtod.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h (in target 'double-conversion-tvOS')
warning: duplicate output file '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/utils.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h (in target 'double-conversion-tvOS')
warning: duplicate output file '' on task: PBXCp /Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/utils.h /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h (in target 'double-conversion-tvOS')
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a':
1) Target 'double-conversion' (project 'React'): Libtool /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a normal x86_64
2) Target 'double-conversion-tvOS' (project 'React'): Libtool /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a normal x86_64
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/utils.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/utils.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/strtod.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/strtod.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/ieee.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/ieee.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fixed-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fixed-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fast-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fast-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/double-conversion.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/double-conversion.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/diy-fp.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/diy-fp.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/cached-powers.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/cached-powers.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h'
error: Multiple commands produce '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/utils.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/utils.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/utils.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/strtod.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/strtod.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/strtod.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/ieee.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/ieee.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/ieee.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fixed-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fixed-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fixed-dtoa.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fast-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/fast-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/fast-dtoa.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/double-conversion.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/double-conversion.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/double-conversion.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/diy-fp.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/diy-fp.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/diy-fp.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/cached-powers.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/cached-powers.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/cached-powers.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum.h'
error: Multiple commands produce '<PbxCp /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h>':
1) Target 'double-conversion' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h'
2) Target 'double-conversion-tvOS' (project 'React') has copy command from '/Users/wenchao/Test/node_modules/react-native/third-party/double-conversion-1.1.6/src/bignum-dtoa.h' to '/Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/include/double-conversion/bignum-dtoa.h'
error: Multiple commands produce '<Linked Binary /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a>':
1) Target 'double-conversion' (project 'React'): Libtool /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a normal x86_64
2) Target 'double-conversion-tvOS' (project 'React'): Libtool /Users/wenchao/Library/Developer/Xcode/DerivedData/RongCloudIMLib-bsdvodlrrhmawmbardnqahdiflpa/Build/Products/Debug-iphonesimulator/libdouble-conversion.a normal x86_64
RongCloudIMLibTests-bsdvodlrrhmawmbardnqahdiflpa
note: Using new build systemnote: Planning buildnote: Constructing build description
** BUILD FAILED **
@zhang-wenchao
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我认为这个错误和上游有关，帮忙看下怎么解决吧
facebook/react-native#20774

@zhang-wenchao
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升级下版本？

@zhang-wenchao
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kiku-jw/react-native@3cc76f3
这里临时解决了我的问题，坑太多了

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