ios - Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1 -


apple llvm 8.1 error group every time build,xcode show error,and error different ,this time maybe vc , next time other vcs! help?

in xcode > project > target > build phase> compile sources check if file duplicated or files show red color if delete them , clean build.

also try, deleting derived data : ~/library/developer/xcode/deriveddata


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