The VideoLAN Forums

Posted: **14 Mar 2020 16:49**

I previously did a successful build of vlc 4.0-dev on a mac but now need to build the stable 3.0.8 version so I'm compatible with a project we're building on another platform.

Am following the VLC macOSCompile wiki page. Using the single command build instructions. I'm running 10.14.6 with Xcode 11.3.1 commandline tools, developer signed, etc.

Important note -- my MacOSX.sdk file is located here: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk

I'm issuing the following command

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../extras/package/macosx/build.sh -c -k /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk

And it returns this error:

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xcodebuild: error: SDK "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk" cannot be located.
xcrun: error: unable to lookup item 'SDKVersion' in SDK '/'

*However* the files *are* there:

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pwd
/Library/Developer/CommandLineTools/SDKs

ls -la
total 0
drwxr-xr-x  4 root  wheel  128 Jul 23  2019 .
drwxr-xr-x  6 root  admin  192 Jan 31  2019 ..
drwxr-xr-x  7 root  wheel  224 Jul 23  2019 MacOSX.sdk
lrwxr-xr-x  1 root  wheel   10 Jul 23  2019 MacOSX10.14.sdk -> MacOSX.sdk

What am I doing wrong and how can I fix this?

One additional difference -- I brought down the 3.0.8 sources as a tar.gz file and expanded that way -- when I did the 4.0-dev build I fetched those using git -- however -- when we successfully built 3.0.8 on a Linux box, we grabbed the tar files as well and that worked.

Thanks for any help in advance. E

Posted: **15 Mar 2020 23:40**

Our recommendation: uninstall command line tools if possible, as VLC can compile fine with Xcode only.

Posted: **16 Mar 2020 22:52**

@dfuhrmann Thank you -- is there some reason that the build.sh from the 4.0-dev build can't be used?

build.sh for 3.0.8 has a few differences that sets SDKROOT, etc., and sets XCODE_FLAGS that throw a -sdk switch -- this may be causing the issue.

It's generally not practical to install / uninstall command line tools to compile VLC.

Please advise -- thanks in advance.

Posted: **21 Mar 2020 20:33**

This issue is - from my current knowledge - caused by some hickups in the apple tools. They should not report an invalid sdk in CommandLine tools.
Please report and complain to apple if this annoys you too much.

I believe there is no real difference here in build.sh between 3.0 and 4.0. We factored out some things into a separate helper file (env.build.sh), but this file also sets SDKROOT and XCODE_FLAGS as before. But if you spot a potential difference or find any other fix - patch is welcome.

Posted: **26 May 2020 22:47**

@dfuhrmann Thank you -- I took your suggestion and used the build.sh script from the 4.0-dev distro to build the most recent 3.0.10 for mac.

It ran without incident and VLC.app runs and appears to run our test file correctly.

Please relay if there are any differences between build.sh for 4.0-dev and 3.0.10 that we should be aware of.

Sorry for the delay in responding but thank you for your suggestion. EP

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