letsrcAsset=AVURLAsset(url:url1)letcomposition=AVMutableComposition()// 出力用VideoTrackを作るguardletvideoTrack=composition.addMutableTrack(withMediaType:.video,preferredTrackID:kCMPersistentTrackID_Invalid)else{debugPrint("Failed to add video tracks")return}
-> % brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!
Warning: You have unlinked kegs in your Cellar.
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built. Run `brew link` on these:
docker
Warning: Your Xcode (11.0) is outdated.
Please update to Xcode 11.1 (or delete it).
Xcode can be updated from the App Store.
-> % brew link docker
Linking /usr/local/Cellar/docker/19.03.3...
Error: Could not symlink bin/docker
Target /usr/local/bin/docker
already exists. You may want to remove it:
rm'/usr/local/bin/docker'
To force the link and overwrite all conflicting files:
brew link--overwrite docker
To list all files that would be deleted:
brew link--overwrite--dry-run docker
この状態で一度brew doctorを走らせてみます．
-> % brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!
Warning: Git could not be found in your PATH.
Homebrew uses Git for several internal functions, and some formulae use Git
checkouts instead of stable tarballs. You may want to install Git:
brew install git
Warning: No developer tools installed.
Install the Command Line Tools:
xcode-select --install
Warning: You have unlinked kegs in your Cellar.
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built. Run `brew link` on these:
docker
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
-> % sudo xcodebuild -license accept
Password:
-> % brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!
Warning: You have unlinked kegs in your Cellar.
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built. Run `brew link` on these:
docker
はい！
では解決し切れていない残りのwarningを片付けます．
-> % brew link docker
Linking /usr/local/Cellar/docker/19.03.3...
Error: Could not symlink bin/docker
Target /usr/local/bin/docker
already exists. You may want to remove it:
rm'/usr/local/bin/docker'
To force the link and overwrite all conflicting files:
brew link--overwrite docker
To list all files that would be deleted:
brew link--overwrite--dry-run docker
-> % brew link--overwrite docker
Linking /usr/local/Cellar/docker/19.03.3... 10 symlinks created
-> % brew doctor
Your system is ready to brew.
