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These are confidential sessions—please refrain from streaming, blogging, or taking pictures Session 404 Building from the Command Line with Xcode Anders Bertelrud Xcode Architect

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Roadmap •Why use the command line?

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Roadmap •Why use the command line? •Using xcodebuild

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Roadmap •Why use the command line? •Using xcodebuild •Customizing your project

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Roadmap •Why use the command line? •Using xcodebuild •Customizing your project •Automating xcodebuild

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Roadmap •Why use the command line? •Using xcodebuild •Customizing your project •Automating xcodebuild •Working outside Xcode

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Why Use the Command Line?

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Why Use the Command Line?

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Why Use the Command Line? •Automation ■ Nightly release builds ■ Continuous Integration systems

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Why Use the Command Line? •Automation ■ Nightly release builds ■ Continuous Integration systems • Make-based open source development ■ Cross-platform code ■ MacPorts, Fink, Homebrew…

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Using xcodebuild

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What Is xcodebuild?

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What Is xcodebuild? •Command line access to Xcode IDE

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What Is xcodebuild? •Command line access to Xcode IDE •Works with projects and workspaces

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What Is xcodebuild? •Command line access to Xcode IDE •Works with projects and workspaces •Batch operations ■ Build ■ Archive ■ Query

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What Is xcodebuild? •Command line access to Xcode IDE •Works with projects and workspaces •Batch operations ■ Build ■ Archive ■ Query •Use man xcodebuild for the details

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Using xcodebuild

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Using xcodebuild >

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Using xcodebuild > cd ~/Documents/MyProjectDir

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Using xcodebuild > cd ~/Documents/MyProjectDir >

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Using xcodebuild > cd ~/Documents/MyProjectDir xcodebuild >

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Using xcodebuild > === BUILD NATIVE TARGET Baffle OSX OF PROJECT Baffle OSX WITH CONFIGURATION Debug === ProcessPCH build/Intermediates/PrecompiledHeaders/Baff leCocoa_Prefix-dkhujustkymhfqbdihrzilncxtxa/BaffleCoco a_Prefix.pch.pth OtherSources/BaffleCocoa_Prefix.pch n ormal x86_64 objective-c com.apple.compilers.llvm.clan g.1_0.compiler : cd ~/Documents/MyProjectDir xcodebuild >

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Build Log Structure

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Build Log Structure Target

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Build Log Structure Target Command

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Build Log Structure Target Command Message

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=== BUILD NATIVE TARGET Baffle OSX OF PROJECT Baffle OSX CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 Build Logs in the Console

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=== BUILD NATIVE TARGET Baffle OSX OF PROJECT Baffle OSX CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 Build Logs in the Console

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=== BUILD NATIVE TARGET Baffle OSX OF PROJECT Baffle OSX CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 Build Logs in the Console

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=== BUILD NATIVE TARGET Baffle OSX OF PROJECT Baffle OSX CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 Build Logs in the Console

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CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi Build Logs in the Console

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CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi Build Logs in the Console

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CpResource ../SharedResources/BGShake.png build/Debug/Ba cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGCubeFace.png build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CpResource ../SharedResources/BGSwirl-Green.png build/De cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud CopyStringsFile build/Debug/Baffle\ OSX.app/Contents/Res cd /Users/anders/WWDC2012/Baffle builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi Build Logs in the Console

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builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS Build Logs in the Console

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builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS Build Logs in the Console

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builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS Build Logs in the Console

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builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS Build Logs in the Console

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builtin-copyStrings --validate --inputencoding utf-1 CompileXIB Resources/English.lproj/MainMenu.xib cd /Users/anders/WWDC2012/Baffle setenv XCODE_DEVELOPER_USR_PATH /Applications/Xcode. /Applications/Xcode.app/Contents/Developer/usr/bin/i CpResource ../SharedResources/Countdown.caf build/Debug cd /Users/anders/WWDC2012/Baffle builtin-copy -exclude .DS_Store -exclude CVS -exclud : ProcessPCH build/Intermediates/PrecompiledHeaders/Baffle cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS Build Logs in the Console

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clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS cd /Users/anders/WWDC2012/Baffle setenv MACOSX_DEPLOYMENT_TARGET 10.8 clang -arch x86_64 -fobjc-link-runtime -mmacosx-vers ** BUILD SUCCEEDED ** Build Logs in the Console

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clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS cd /Users/anders/WWDC2012/Baffle setenv MACOSX_DEPLOYMENT_TARGET 10.8 clang -arch x86_64 -fobjc-link-runtime -mmacosx-vers ** BUILD SUCCEEDED ** Build Logs in the Console

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clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS cd /Users/anders/WWDC2012/Baffle setenv MACOSX_DEPLOYMENT_TARGET 10.8 clang -arch x86_64 -fobjc-link-runtime -mmacosx-vers ** BUILD SUCCEEDED ** Build Logs in the Console

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clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS cd /Users/anders/WWDC2012/Baffle setenv MACOSX_DEPLOYMENT_TARGET 10.8 clang -arch x86_64 -fobjc-link-runtime -mmacosx-vers ** BUILD SUCCEEDED ** Build Logs in the Console

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clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ../SharedCode/BGBaffleWord.m normal x86_64 obje cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi CompileC ./OtherSources/main.m normal x86_64 objective-c cd /Users/anders/WWDC2012/Baffle setenv LANG en_US.US-ASCII clang -x objective-c -arch x86_64 -std=c99 -O0 -Wswi : Ld build/Debug/Baffle\ OSX.app/Contents/MacOS/Baffle\ OS cd /Users/anders/WWDC2012/Baffle setenv MACOSX_DEPLOYMENT_TARGET 10.8 clang -arch x86_64 -fobjc-link-runtime -mmacosx-vers ** BUILD SUCCEEDED ** Build Logs in the Console

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Build Logs in the IDE

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Where Do the Outputs Go? Kind Contents Controlling Build Setting Intermediates Intermediates Intermediates Debug Products Debug Products Release Products Compiled Code (“Objects”) OBJROOT Generated Sources OBJROOT Precompiled Headers SHARED_PRECOMPS_DIR Products, in debug locations SYMROOT Debug Symbols (.dSYMs) SYMROOT Products, in release locations DSTROOT

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Where Do the Outputs Go? Kind Contents Controlling Build Setting Intermediates Intermediates Intermediates Debug Products Debug Products Release Products Compiled Code (“Objects”) OBJROOT Generated Sources OBJROOT Precompiled Headers SHARED_PRECOMPS_DIR Products, in debug locations SYMROOT Debug Symbols (.dSYMs) SYMROOT Products, in release locations DSTROOT

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Where Do the Outputs Go? Kind Contents Controlling Build Setting Intermediates Intermediates Intermediates Debug Products Debug Products Release Products Compiled Code (“Objects”) OBJROOT Generated Sources OBJROOT Precompiled Headers SHARED_PRECOMPS_DIR Products, in debug locations SYMROOT Debug Symbols (.dSYMs) SYMROOT Products, in release locations DSTROOT

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Where Do the Outputs Go? Kind Contents Controlling Build Setting Intermediates Intermediates Intermediates Debug Products Debug Products Release Products Compiled Code (“Objects”) OBJROOT Generated Sources OBJROOT Precompiled Headers SHARED_PRECOMPS_DIR Products, in debug locations SYMROOT Debug Symbols (.dSYMs) SYMROOT Products, in release locations DSTROOT

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Customizing Your Project

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Controlling the Build •Schemes

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Controlling the Build •Schemes •Overriding build settings

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Controlling the Build •Schemes •Overriding build settings ■ Configuration files

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Controlling the Build •Schemes •Overriding build settings ■ Configuration files ■ Architectures

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Controlling the Build •Schemes •Overriding build settings ■ Configuration files ■ Architectures ■ SDKs

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Controlling the Build •Schemes •Overriding build settings ■ Configuration files ■ Architectures ■ SDKs ■ Other build settings

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Schemes •A scheme defines:

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Schemes •A scheme defines: ■ A collection of targets to build

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Schemes •A scheme defines: ■ A collection of targets to build ■ A configuration to use when building

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Schemes •A scheme defines: ■ A collection of targets to build ■ A configuration to use when building ■ An optional collection of tests to execute

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Schemes •A scheme defines: ■ A collection of targets to build ■ A configuration to use when building ■ An optional collection of tests to execute ■ User-defined pre- and post-processing actions

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Listing the Schemes >

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Listing the Schemes > xcodebuild -workspace Baffle.xcworkspace -list

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Listing the Schemes > Information about workspace "Baffle": Schemes: Baffle OSX Baffle iOS xcodebuild -workspace Baffle.xcworkspace -list >

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Listing the Schemes

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Using Schemes •Configure in Xcode ■ Build configuration ■ Scheme actions ■ Other options

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Using Schemes •Configure in Xcode ■ Build configuration ■ Scheme actions ■ Other options •Use in xcodebuild ■ Use -scheme flag to select scheme to use

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Customizing Schemes

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Customizing Schemes

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Customizing Schemes

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Specifying a Scheme >

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Specifying a Scheme > xcodebuild -workspace Baffle -scheme "Baffle OSX"

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Listing the SDKs >

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Listing the SDKs > xcodebuild -showsdks

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Listing the SDKs OS X SDKs: ! Mac OS X 10.7 -sdk macosx10.7 ! OS X 10.8 -sdk macosx10.8 iOS SDKs: ! iOS 6.0 -sdk iphoneos6.0 iOS Simulator SDKs: ! Simulator - iOS 6.0 -sdk iphonesimulator6.0 > xcodebuild -showsdks >

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Specifying an SDK >

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Specifying an SDK > xcodebuild -workspace Baffle -sdk macosx10.8

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Build Settings

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Build Settings •“Knobs and switches” of the build system

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Build Settings •“Knobs and switches” of the build system •View and edit in Build Settings editor in IDE

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Build Settings •“Knobs and switches” of the build system •View and edit in Build Settings editor in IDE •Override by passing on xcodebuild command line

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Build Settings •“Knobs and switches” of the build system •View and edit in Build Settings editor in IDE •Override by passing on xcodebuild command line •Set in environment to provide defaults

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Build Settings •“Knobs and switches” of the build system •View and edit in Build Settings editor in IDE •Override by passing on xcodebuild command line •Set in environment to provide defaults •Use -showBuildSettings option to xcodebuild

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Seeing Values of Build Settings >

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Seeing Values of Build Settings > xcodebuild -workspace Baffle -showBuildSettings

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Seeing Values of Build Settings Build settings for action build & target "Baffle OSX" ACTION = build ALWAYS_SEARCH_USER_PATHS = NO APPLY_RULES_IN_COPY_FILES = NO ARCHS = i386 ARCHS_STANDARD_32_64_BIT = x86_64 i386 ARCHS_STANDARD_32_BIT = i386 ARCHS_STANDARD_64_BIT = x86_64 AVAILABLE_PLATFORMS = macosx iphoneos BUILD_DIR = ./build/Baffle/Build/Products CONFIGURATION = Debug COPYING_PRESERVES_HFS_DATA = NO : > xcodebuild -workspace Baffle -showBuildSettings

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Overriding Build Settings >

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Overriding Build Settings > xcodebuild -workspace Baffle OBJROOT=/tmp/objects

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Overriding Build Settings > xcodebuild -workspace Baffle OBJROOT=/tmp/objects > or

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Overriding Build Settings > xcodebuild -workspace Baffle OBJROOT=/tmp/objects > export OBJROOT=/tmp/objects or

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Overriding Build Settings > xcodebuild -workspace Baffle OBJROOT=/tmp/objects > export OBJROOT=/tmp/objects > or

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Overriding Build Settings > xcodebuild -workspace Baffle OBJROOT=/tmp/objects > export OBJROOT=/tmp/objects > xcodebuild -workspace Baffle or

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What Build Settings Are Available? Xcode Build Setting Reference

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What Build Settings Are Available? Xcode Build Setting Reference •Xcode built-in documentation

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What Build Settings Are Available? Xcode Build Setting Reference •Xcode built-in documentation •Developer resources

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Putting It All Together >

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Putting It All Together > xcodebuild \

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Putting It All Together > xcodebuild \ -workspace Baffle.xcworkspace \

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Putting It All Together > xcodebuild \ -workspace Baffle.xcworkspace \ -scheme "Baffle OSX" \

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Putting It All Together > xcodebuild \ -workspace Baffle.xcworkspace \ -scheme "Baffle OSX" \ -sdk macosx10.8 \

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Putting It All Together > xcodebuild \ -workspace Baffle.xcworkspace \ -scheme "Baffle OSX" \ -sdk macosx10.8 \ OBJROOT=/tmp/objects \

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Putting It All Together > xcodebuild \ -workspace Baffle.xcworkspace \ -scheme "Baffle OSX" \ -sdk macosx10.8 \ OBJROOT=/tmp/objects \ SYMROOT=/tmp/symbols \

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Putting It All Together > xcodebuild \ -workspace Baffle.xcworkspace \ -scheme "Baffle OSX" \ -sdk macosx10.8 \ OBJROOT=/tmp/objects \ SYMROOT=/tmp/symbols \ DSTROOT=/tmp/distrib

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Which Xcode.app? Xcode 4.3

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Which Xcode.app? Xcode 4.3 Xcode 4.5 Preview

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Which Xcode.app? Xcode 4.3 Xcode 4.5 Preview yacc lex ld cc

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Which Xcode.app? Xcode 4.3 Xcode 4.5 Preview yacc lex ld cc yacc lex ld cc

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Which Xcode.app? Xcode 4.3 Xcode 4.5 Preview yacc lex ld cc yacc lex ld cc ?

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Use xcode-select >

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Use xcode-select > xcode-select -print-path

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path >

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path xcode-select -switch /Applications/Xcode45-DP1.app >

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path xcode-select -switch /Applications/Xcode45-DP1.app > >

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path xcode-select -switch /Applications/Xcode45-DP1.app xcode-select -print-path > >

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path xcode-select -switch /Applications/Xcode45-DP1.app /Applications/Xcode45-DP1.app/Contents/Developer xcode-select -print-path > > >

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path xcode-select -switch /Applications/Xcode45-DP1.app /Applications/Xcode45-DP1.app/Contents/Developer xcode-select -print-path xcodebuild -version > > >

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Use xcode-select > /Applications/Xcode.app/Contents/Developer xcode-select -print-path xcode-select -switch /Applications/Xcode45-DP1.app /Applications/Xcode45-DP1.app/Contents/Developer xcode-select -print-path xcodebuild -version Xcode 4.5 Build version 4G78z > > > >

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff ■ instruments

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff ■ instruments ■ ibtool

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff ■ instruments ■ ibtool ■ xed

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff ■ instruments ■ ibtool ■ xed ■ iprofiler

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff ■ instruments ■ ibtool ■ xed ■ iprofiler ■ agvtool

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What Is xcode-select Really Doing? •Sets the Xcode.app that’s used by tools in /usr/bin ■ xcodebuild ■ xcrun ■ opendiff ■ instruments ■ ibtool ■ xed ■ iprofiler ■ agvtool

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What Is xcrun?

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What Is xcrun? •Find or run a tool inside Xcode.app

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What Is xcrun? •Find or run a tool inside Xcode.app ■ Context-sensitive—depends on SDK, etc.

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What Is xcrun? •Find or run a tool inside Xcode.app ■ Context-sensitive—depends on SDK, etc. ■ Also searches standard $PATH as a fallback

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What Is xcrun? •Find or run a tool inside Xcode.app ■ Context-sensitive—depends on SDK, etc. ■ Also searches standard $PATH as a fallback •Mode 1: Print the path of the tool

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What Is xcrun? •Find or run a tool inside Xcode.app ■ Context-sensitive—depends on SDK, etc. ■ Also searches standard $PATH as a fallback •Mode 1: Print the path of the tool ■ Usage: xcrun -find tool

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What Is xcrun? •Find or run a tool inside Xcode.app ■ Context-sensitive—depends on SDK, etc. ■ Also searches standard $PATH as a fallback •Mode 1: Print the path of the tool ■ Usage: xcrun -find tool •Mode 2: Run the tool with a full command line

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What Is xcrun? •Find or run a tool inside Xcode.app ■ Context-sensitive—depends on SDK, etc. ■ Also searches standard $PATH as a fallback •Mode 1: Print the path of the tool ■ Usage: xcrun -find tool •Mode 2: Run the tool with a full command line ■ Usage: xcrun tool arg1 arg2 ...

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Using xcrun >

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Using xcrun > xcrun -find cc

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Using xcrun > /Applications/Xcode.app/Contents/Developer/Toolchains/ XcodeDefault.xctoolchain/usr/bin/cc xcrun -find cc >

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Using xcrun > /Applications/Xcode.app/Contents/Developer/Toolchains/ XcodeDefault.xctoolchain/usr/bin/cc xcrun -find cc > xcrun cc -c source.c -o source.o

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Using xcrun > /Applications/Xcode.app/Contents/Developer/Toolchains/ XcodeDefault.xctoolchain/usr/bin/cc xcrun -find cc > source.c:22:23: warning: unused parameter 'baz' int foo (int bar, int baz) ^ 1 warning generated. xcrun cc -c source.c -o source.o >

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Using xcrun >

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Using xcrun > xcrun -find git

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git >

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git > xcrun git --version

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git > git version 1.7.9.6 (Apple Git-31) xcrun git --version >

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git > git version 1.7.9.6 (Apple Git-31) xcrun git --version > alias git="xcrun git"

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git > git version 1.7.9.6 (Apple Git-31) xcrun git --version > alias git="xcrun git" >

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git > git version 1.7.9.6 (Apple Git-31) xcrun git --version > alias git="xcrun git" > git --version

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Using xcrun > /Applications/Xcode45-DP1.app/Contents/Developer/ usr/bin/git xcrun -find git > git version 1.7.9.6 (Apple Git-31) xcrun git --version > alias git="xcrun git" > git --version git version 1.7.9.6 (Apple Git-31) >

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Directly Invoking a Specific xcodebuild >

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Directly Invoking a Specific xcodebuild > export DEVELOPER_DIR=/Applications/Xcode45-DP1.app/ Contents/Developer

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Directly Invoking a Specific xcodebuild > export DEVELOPER_DIR=/Applications/Xcode45-DP1.app/ Contents/Developer >

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Directly Invoking a Specific xcodebuild > export DEVELOPER_DIR=/Applications/Xcode45-DP1.app/ Contents/Developer > xcrun -find xcodebuild

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Directly Invoking a Specific xcodebuild > export DEVELOPER_DIR=/Applications/Xcode45-DP1.app/ Contents/Developer > xcrun -find xcodebuild > /Applications/Xcode45-DP1.app/Contents/Developer/usr/ bin/xcodebuild

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Directly Invoking a Specific xcodebuild > export DEVELOPER_DIR=/Applications/Xcode45-DP1.app/ Contents/Developer > xcrun -find xcodebuild > xcodebuild /Applications/Xcode45-DP1.app/Contents/Developer/usr/ bin/xcodebuild

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Directly Invoking a Specific xcodebuild > export DEVELOPER_DIR=/Applications/Xcode45-DP1.app/ Contents/Developer > xcrun -find xcodebuild > xcodebuild /Applications/Xcode45-DP1.app/Contents/Developer/usr/ bin/xcodebuild === BUILD NATIVE TARGET Baffle OSX OF PROJECT Baffle OSX WITH CONFIGURATION Debug === ProcessPCH build/Intermediates/PrecompiledHeaders/Baff leCocoa_Prefix-dkhujustkymhfqbdihrzilncxtxa/BaffleCoco a_Prefix.pch.pth OtherSources/BaffleCocoa_Prefix.pch n ormal x86_64 objective-c com.apple.compilers.llvm.clan g.1_0.compiler

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Using Xcode with Continuous Integration Automating xcodebuild Daniel Dunbar System Tools Engineer

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What Is Continuous Integration? •Continuous Integration (CI) refers to a continuous process for integrating and applying quality checks to software development

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What Is Continuous Integration? •Continuous Integration (CI) refers to a continuous process for integrating and applying quality checks to software development Commit

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What Is Continuous Integration? •Continuous Integration (CI) refers to a continuous process for integrating and applying quality checks to software development Commit Build

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What Is Continuous Integration? •Continuous Integration (CI) refers to a continuous process for integrating and applying quality checks to software development Commit Build Test

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What Is Continuous Integration? •Continuous Integration (CI) refers to a continuous process for integrating and applying quality checks to software development Commit Build Test Publish

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Continuous Integration Example

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Continuous Integration Example •Common problem

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Continuous Integration Example •Common problem ■ Develop with Xcode GM and Xcode WWDC Preview tools

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Continuous Integration Example •Common problem ■ Develop with Xcode GM and Xcode WWDC Preview tools ■ Code shared between two products (e.g. OS X and iOS)

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Continuous Integration Example •Common problem ■ Develop with Xcode GM and Xcode WWDC Preview tools ■ Code shared between two products (e.g. OS X and iOS) ■ Disruptive to switch between tools constantly

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Continuous Integration Example •Common problem ■ Develop with Xcode GM and Xcode WWDC Preview tools ■ Code shared between two products (e.g. OS X and iOS) ■ Disruptive to switch between tools constantly •Solution

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Continuous Integration Example •Common problem ■ Develop with Xcode GM and Xcode WWDC Preview tools ■ Code shared between two products (e.g. OS X and iOS) ■ Disruptive to switch between tools constantly •Solution ■ Use xcodebuild and Continuous Integration

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Automating xcodebuild

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Automating xcodebuild •Set DEVELOPER_DIR before running xcodebuild

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Automating xcodebuild •Set DEVELOPER_DIR before running xcodebuild ■ This ensures the Xcode tools you want are used, regardless of the tools currently chosen by xcode-select

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Automating xcodebuild •Set DEVELOPER_DIR before running xcodebuild ■ This ensures the Xcode tools you want are used, regardless of the tools currently chosen by xcode-select •Use appropriate options to set the workspace, scheme, SDK

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Automating xcodebuild •Set DEVELOPER_DIR before running xcodebuild ■ This ensures the Xcode tools you want are used, regardless of the tools currently chosen by xcode-select •Use appropriate options to set the workspace, scheme, SDK •Use build settings to control where output files go

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Automating xcodebuild •Set DEVELOPER_DIR before running xcodebuild ■ This ensures the Xcode tools you want are used, regardless of the tools currently chosen by xcode-select •Use appropriate options to set the workspace, scheme, SDK •Use build settings to control where output files go DSTROOT, OBJROOT, SYMROOT, SHARED_PRECOMPS_DIR

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Automating xcodebuild

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Automating xcodebuild •Make sure builds are run as a user who has accepted the license agreement; alternately, can accept for all users sudo xcodebuild -license

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Automating xcodebuild •Make sure builds are run as a user who has accepted the license agreement; alternately, can accept for all users sudo xcodebuild -license •Ensure access to appropriate development certificates

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Demo Automating project builds

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Working Outside Xcode

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Working Outside Xcode •Many projects may not supply native Xcode projects

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Working Outside Xcode •Many projects may not supply native Xcode projects ■ Legacy code base

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Working Outside Xcode •Many projects may not supply native Xcode projects ■ Legacy code base ■ Traditional UNIX development

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Working Outside Xcode •Many projects may not supply native Xcode projects ■ Legacy code base ■ Traditional UNIX development ■ Cross-platform open source projects

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Working Outside Xcode •Many projects may not supply native Xcode projects ■ Legacy code base ■ Traditional UNIX development ■ Cross-platform open source projects •Tools for working outside Xcode

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Working Outside Xcode •Many projects may not supply native Xcode projects ■ Legacy code base ■ Traditional UNIX development ■ Cross-platform open source projects •Tools for working outside Xcode ■ Understanding the command line tools package

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The Command Line Tools Package

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The Command Line Tools Package •What is the command line tools package?

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The Command Line Tools Package •What is the command line tools package? •How to install the command line tools package?

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The Command Line Tools Package •What is the command line tools package? •How to install the command line tools package? •When should it be installed?

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What Is the Package?

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•New in Xcode 4.3 What Is the Package?

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•New in Xcode 4.3 •Separate package for doing extensive command line development What Is the Package?

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•New in Xcode 4.3 •Separate package for doing extensive command line development •Supported mechanism for UNIX-style development What Is the Package?

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What Does It Contain?

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What Does It Contain? •Contains everything for command line development

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What Does It Contain? •Contains everything for command line development •Bundled at the standard UNIX location (/usr)

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Tools OSX / SDK Documentation (man Pages)

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Development Tools Debugging Tools Source Control Tools OSX / SDK Documentation (man Pages)

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Obtaining the Command Line Tools Install from Xcode Download from Developer Resources

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Developer Obtaining the Command Line Tools As a standalone download

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Developer Obtaining the Command Line Tools As a standalone download

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Developer Obtaining the Command Line Tools As a standalone download

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Downloads for Apple Developers Developer Obtaining the Command Line Tools As a standalone download

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Downloads for Apple Developers Developer Obtaining the Command Line Tools As a standalone download

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Downloads for Apple Developers Developer Obtaining the Command Line Tools As a standalone download

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Obtaining the Command Line Tools As part of Xcode

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Obtaining the Command Line Tools As part of Xcode

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Obtaining the Command Line Tools As part of Xcode

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Obtaining the Command Line Tools As part of Xcode

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Obtaining the Command Line Tools As part of Xcode

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Obtaining the Command Line Tools As part of Xcode

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When to Install the Package •Open source development

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When to Install the Package •Open source development ■ Recommended practice for working with Fink, MacPorts, Homebrew

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When to Install the Package •Open source development ■ Recommended practice for working with Fink, MacPorts, Homebrew $ fink install wget $ port install wget $ brew install wget

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When to Install the Package •Open source development ■ Recommended practice for working with Fink, MacPorts, Homebrew Command Line Tools $ fink install wget $ port install wget $ brew install wget

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When to Install the Package •Extensive command line usage

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When to Install the Package •Extensive command line usage ■ Traditional UNIX-style workflow

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When to Install the Package •Extensive command line usage ■ Traditional UNIX-style workflow ■ Legacy projects

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When to Install the Package •Extensive command line usage ■ Traditional UNIX-style workflow ■ Legacy projects ■ Non-Xcode IDE based development (e.g., Makefiles)

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When to Install the Package •Limited development, small download size

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When to Install the Package •Limited development, small download size ■ Command line tools package is self-contained

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When to Install the Package •Limited development, small download size ■ Command line tools package is self-contained ■ Does not contain Xcode IDE or other packages

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When Not to Install the Package

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When Not to Install the Package •Do not install just to get svn or git

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When Not to Install the Package •Do not install just to get svn or git ■ Instead, use xcrun and shell aliases

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When Not to Install the Package •Do not install just to get svn or git ■ Instead, use xcrun and shell aliases •Do not install unless you need them

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When Not to Install the Package •Do not install just to get svn or git ■ Instead, use xcrun and shell aliases •Do not install unless you need them ■ Only one instance of command line tools

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When Not to Install the Package •Do not install just to get svn or git ■ Instead, use xcrun and shell aliases •Do not install unless you need them ■ Only one instance of command line tools ■ Install is distinct from Xcode

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When Not to Install the Package •Do not install just to get svn or git ■ Instead, use xcrun and shell aliases •Do not install unless you need them ■ Only one instance of command line tools ■ Install is distinct from Xcode ■ Requires manual effort to keep up-to-date with new releases

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Review

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Primary Xcode Command Line Tools Tool Summary xcode-select xcodebuild xcrun man Choose the default Xcode.app to use Build, archive, and query Xcode projects and workspaces Find and execute command line tools that are inside Xcode Access to command line documentation

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Common xcode-select Options Option Usage -print-path -switch Show the currently selected Xcode Developer directory Switch to the given Xcode (or Developer directory)

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Common xcodebuild Options Option Usage -workspace -project -scheme -sdk -showsdks -list -showBuildSettings NAME=VALUE Select a project or workspace to operate on Select a scheme to use Select an SDK to use List available SDKs List schemes or targets for active project or workspace List active build settings and their values Override a build setting with a particular value

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Common xcrun Options Option Usage -find -sdk ... args ... Find a tool in the active Xcode Select an SDK to perform lookups in Find and execute the tool with the provided arguments

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More Information Michael Jurewitz Developer Tools Evangelist [email protected] Documentation Xcode Build Setting Reference http://developer.apple.com man Pages http://developer.apple.com (or man on the command line) Apple Developer Forums http://devforums.apple.com

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Related Sessions Working with Schemes and Projects in Xcode Marina Wednesday 4:30PM Building, Archiving, and Submitting Your App Pacific Heights Thursday 4:30PM

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Labs Xcode Lab Developer Tools Lab B Daily 9:00AM Xcode Lab Developer Tools Lab B Daily 2:00PM

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Summary

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Summary •Xcode provides a number of tools for working on the command

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Summary •Xcode provides a number of tools for working on the command •Use xcodebuild to script and automate builds

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Summary •Xcode provides a number of tools for working on the command •Use xcodebuild to script and automate builds ■ Use build settings and schemes to customize to your project

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Summary •Xcode provides a number of tools for working on the command •Use xcodebuild to script and automate builds ■ Use build settings and schemes to customize to your project •Consider using continuous integration to improve development

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Summary •Xcode provides a number of tools for working on the command •Use xcodebuild to script and automate builds ■ Use build settings and schemes to customize to your project •Consider using continuous integration to improve development •Use the Command Line Tools package when working outside Xcode

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