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I can't create a C++ project on my OS X.

I want to create an project in c++ on My Mac OS X (1,6 GHz Intel Core i5/Intel HD Graphics 6000 1536 MB) but i always get this warning message: An error occurred while trying to generate project files.

Running Mono...

Setting up Mono /Users/Shared/UnrealEngine/4.12/Engine /Users/Shared/UnrealEngine/4.12/Engine/Binaries/Mac Discovering modules, targets and source code for project... Compiling with non-standard Xcode (xcode-select): /Library/Developer/CommandLineTools/ Triggered an exception while looking for SDK directory in Xcode.app System.IO.DirectoryNotFoundException: Directory '/Library/Developer/CommandLineTools/Platforms/MacOSX.platform/Developer/SDKs' not found. at System.IO.Directory.ValidateDirectoryListing (System.String path, System.String searchPattern, System.Boolean& stop) [0x00000] in :0 at System.IO.Directory.GetFileSystemEntries (System.String path, System.String searchPattern, FileAttributes mask, FileAttributes attrs) [0x00000] in :0 at System.IO.Directory.GetDirectories (System.String path, System.String searchPattern) [0x00000] in :0 at System.IO.Directory.GetDirectories (System.String path) [0x00000] in :0 at UnrealBuildTool.AppleToolChain.SelectSDK (System.String BaseSDKDir, System.String OSPrefix, System.String& PlatformSDKVersion, Boolean bVerbose) [0x00000] in :0 ERROR: Invalid SDK MacOSX.sdk, not found in /Library/Developer/CommandLineTools/Platforms/MacOSX.platform/Developer/SDKs

What is the problem? I have Visual Studio Code installed with the c/c++ plugin and it also installed some packages called "mono". Please Help!

Product Version: UE 4.12
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asked Aug 16 '16 at 11:12 AM in Using UE4

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Pethymos
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avatar image haroldsx450 Oct 05 '16 at 07:25 AM

Im having the same issue, its only been since I upgraded to sierra and Xcode8 so I think its an apple thing not UE4

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2 answers: sort voted first

Probably you had another version of "cli-xcode". For example, if you try some developer stuff like homebrew or just "xcode-select --install" ,which installs little bit different SDK (more regular for compile command line apps).

Anyway try to install official Xcode first and run this command in terminal after: $sudo xcode-select -r

Let me know if it helps

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answered Jan 19 '17 at 06:26 AM

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Pirate Tony
138 5 11 18

avatar image Jessixian May 28 '17 at 11:32 PM

Can confirm that the sudo xcode-select -r was what fixed it for me.

avatar image mabrumgames Jul 27 '18 at 04:58 PM

yeah thank you very much it works with sudo xcode-select --reset

avatar image sakyaer Aug 29 '18 at 06:36 PM

ThankU, It work for me

avatar image 西电小白 Oct 30 '18 at 03:14 AM

That U, It work for me too.

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Do you have XCode instalied? It looks like it can't find the sdk directory for it.

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answered Aug 16 '16 at 03:22 PM

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Shohei
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avatar image Pethymos Aug 17 '16 at 11:32 AM

Thanks, just noticed myself. Didn't realize that Apple runs different.

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