I stand corrected. Félix
> Le 5 janv. 2016 à 22:19:28, Charles Srstka <cocoa...@charlessoft.com> a écrit > : > >> On Jan 5, 2016, at 9:06 PM, Félix Cloutier <felix...@yahoo.ca >> <mailto:felix...@yahoo.ca>> wrote: >> >> The linker is smart enough to get rid of frameworks that you don't actually >> use. >> >> Félix > > > objc_copyClassList leaves a value of 14694 in classCount. When I just link > against Foundation it only gives 1581. > > otool says: > > $ otool -L test > test: > /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version > 120.1.0) > /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation > (compatibility version 300.0.0, current version 1256.1.0) > /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork > (compatibility version 1.0.0, current version 760.2.5) > /System/Library/Frameworks/Metal.framework/Versions/A/Metal > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Contacts.framework/Versions/A/Contacts > (compatibility version 0.0.0, current version 0.0.0) > /System/Library/Frameworks/GSS.framework/Versions/A/GSS (compatibility > version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/CoreMIDIServer.framework/Versions/A/CoreMIDIServer > (compatibility version 1.0.0, current version 73.0.0) > /System/Library/Frameworks/Python.framework/Versions/2.7/Python > (compatibility version 2.7.0, current version 2.7.10) > > /System/Library/Frameworks/CoreLocation.framework/Versions/A/CoreLocation > (compatibility version 1.0.0, current version 1615.38.0) > /System/Library/Frameworks/GLKit.framework/Versions/A/GLKit > (compatibility version 1.0.0, current version 20.0.0) > /System/Library/Frameworks/MapKit.framework/Versions/A/MapKit > (compatibility version 1.0.0, current version 0.0.0) > > /System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement > (compatibility version 1.0.0, current version 756.20.4) > > /System/Library/Frameworks/CoreTelephony.framework/Versions/A/CoreTelephony > (compatibility version 1.0.0, current version 0.0.0) > /System/Library/Frameworks/CloudKit.framework/Versions/A/CloudKit > (compatibility version 1.0.0, current version 481.8.0) > /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/Collaboration.framework/Versions/A/Collaboration > (compatibility version 1.0.0, current version 75.0.0) > /System/Library/Frameworks/LDAP.framework/Versions/A/LDAP > (compatibility version 1.0.0, current version 2.4.0) > /System/Library/Frameworks/AddressBook.framework/Versions/A/AddressBook > (compatibility version 1.0.0, current version 1679.3.0) > /System/Library/Frameworks/QuickLook.framework/Versions/A/QuickLook > (compatibility version 1.0.0, current version 0.0.0) > > /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Tcl.framework/Versions/8.5/Tcl > (compatibility version 8.5.0, current version 8.5.9) > > /System/Library/Frameworks/DiscRecording.framework/Versions/A/DiscRecording > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/InputMethodKit.framework/Versions/A/InputMethodKit > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Photos.framework/Versions/A/Photos > (compatibility version 1.0.0, current version 350.22.0) > /System/Library/Frameworks/OSAKit.framework/Versions/A/OSAKit > (compatibility version 1.0.0, current version 104.0.0) > > /System/Library/Frameworks/MediaAccessibility.framework/Versions/A/MediaAccessibility > (compatibility version 1.0.0, current version 62.0.0) > /System/Library/Frameworks/ContactsUI.framework/Versions/A/ContactsUI > (compatibility version 1.0.0, current version 1679.3.0) > > /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility > version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/StoreKit.framework/Versions/A/StoreKit > (compatibility version 1.0.0, current version 379.0.0) > > /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/PreferencePanes.framework/Versions/A/PreferencePanes > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/GameplayKit.framework/Versions/A/GameplayKit > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/SyncServices.framework/Versions/A/SyncServices > (compatibility version 48.0.0, current version 724.0.0) > /System/Library/Frameworks/AVKit.framework/Versions/A/AVKit > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/GLUT.framework/Versions/A/GLUT > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/ModelIO.framework/Versions/A/ModelIO > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/GameController.framework/Versions/A/GameController > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Tk.framework/Versions/8.5/Tk (compatibility > version 8.5.0, current version 8.5.9) > > /System/Library/Frameworks/AppleScriptObjC.framework/Versions/A/AppleScriptObjC > (compatibility version 1.0.0, current version 32.0.0) > /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit > (compatibility version 45.0.0, current version 1404.32.0) > > /System/Library/Frameworks/InstallerPlugins.framework/Versions/A/InstallerPlugins > (compatibility version 1.0.0, current version 815.0.0) > > /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation > (compatibility version 1.0.0, current version 55126.0.0) > > /System/Library/Frameworks/ImageCaptureCore.framework/Versions/A/ImageCaptureCore > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/VideoDecodeAcceleration.framework/Versions/A/VideoDecodeAcceleration > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics > (compatibility version 64.0.0, current version 600.0.0) > /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos > (compatibility version 5.0.0, current version 6.0.0) > /System/Library/Frameworks/vmnet.framework/Versions/A/vmnet > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Quartz.framework/Versions/A/Quartz > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData > (compatibility version 1.0.0, current version 641.3.0) > > /System/Library/Frameworks/IMServicePlugIn.framework/Versions/A/IMServicePlugIn > (compatibility version 1.0.0, current version 1000.0.0) > > /System/Library/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore > (compatibility version 1.0.0, current version 601.3.7) > > /System/Library/Frameworks/NotificationCenter.framework/Versions/A/NotificationCenter > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/LocalAuthentication.framework/Versions/A/LocalAuthentication > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/GameKit.framework/Versions/A/GameKit > (compatibility version 1.0.0, current version 365.103.0) > /System/Library/Frameworks/PubSub.framework/Versions/A/PubSub > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreMediaIO.framework/Versions/A/CoreMediaIO > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Social.framework/Versions/A/Social > (compatibility version 1.0.0, current version 538.0.0) > > /System/Library/Frameworks/MultipeerConnectivity.framework/Versions/A/MultipeerConnectivity > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo > (compatibility version 1.2.0, current version 1.5.0) > /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit > (compatibility version 1.0.0, current version 275.0.0) > /System/Library/Frameworks/QTKit.framework/Versions/A/QTKit > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices > (compatibility version 1.0.0, current version 48.0.0) > > /System/Library/Frameworks/NetworkExtension.framework/Versions/A/NetworkExtension > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/PCSC.framework/Versions/A/PCSC > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/ExceptionHandling.framework/Versions/A/ExceptionHandling > (compatibility version 1.0.0, current version 11.0.0) > /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon > (compatibility version 2.0.0, current version 157.0.0) > /System/Library/Frameworks/Security.framework/Versions/A/Security > (compatibility version 1.0.0, current version 57337.20.43) > > /System/Library/Frameworks/AppleScriptKit.framework/Versions/A/AppleScriptKit > (compatibility version 1.0.0, current version 83.0.0) > > /System/Library/Frameworks/LatentSemanticMapping.framework/Versions/A/LatentSemanticMapping > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/libruby.2.0.0.dylib > (compatibility version 2.0.0, current version 2.0.0) > > /System/Library/Frameworks/InstantMessage.framework/Versions/A/InstantMessage > (compatibility version 1.0.0, current version 800.0.0) > > /System/Library/Frameworks/AudioVideoBridging.framework/Versions/A/AudioVideoBridging > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreImage.framework/Versions/A/CoreImage > (compatibility version 1.0.1, current version 2.0.0) > /System/Library/Frameworks/Automator.framework/Versions/A/Automator > (compatibility version 1.0.0, current version 0.0.0) > /System/Library/Frameworks/MetalKit.framework/Versions/A/MetalKit > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Hypervisor.framework/Versions/A/Hypervisor > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/SceneKit.framework/Versions/A/SceneKit > (compatibility version 1.0.0, current version 186.0.0) > /System/Library/Frameworks/OpenAL.framework/Versions/A/OpenAL > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/EventKit.framework/Versions/A/EventKit > (compatibility version 1.0.0, current version 487.3.0) > > /System/Library/Frameworks/CoreBluetooth.framework/Versions/A/CoreBluetooth > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/IOBluetoothUI.framework/Versions/A/IOBluetoothUI > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/CalendarStore.framework/Versions/A/CalendarStore > (compatibility version 1.0.0, current version 1501.0.0) > /System/Library/Frameworks/SpriteKit.framework/Versions/A/SpriteKit > (compatibility version 1.0.0, current version 2.0.0) > > /System/Library/Frameworks/VideoToolbox.framework/Versions/A/VideoToolbox > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox > (compatibility version 1.0.0, current version 492.0.0) > > /System/Library/Frameworks/ForceFeedback.framework/Versions/A/ForceFeedback > (compatibility version 1.0.0, current version 1.0.2) > /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS > (compatibility version 1.0.0, current version 1.0.0) > @rpath/FinderSync.framework/Versions/A/FinderSync (compatibility > version 1.0.0, current version 960.2.6) > /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit > (compatibility version 1.0.0, current version 601.3.9) > /System/Library/Frameworks/TWAIN.framework/Versions/A/TWAIN > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/SecurityInterface.framework/Versions/A/SecurityInterface > (compatibility version 1.0.0, current version 55065.20.1) > /System/Library/Frameworks/CoreMedia.framework/Versions/A/CoreMedia > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreMIDI.framework/Versions/A/CoreMIDI > (compatibility version 1.0.0, current version 73.0.0) > /System/Library/Frameworks/ICADevices.framework/Versions/A/ICADevices > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/MediaToolbox.framework/Versions/A/MediaToolbox > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/CoreAudioKit.framework/Versions/A/CoreAudioKit > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Accounts.framework/Versions/A/Accounts > (compatibility version 1.0.0, current version 0.0.0) > /System/Library/Frameworks/PhotosUI.framework/Versions/A/PhotosUI > (compatibility version 1.0.0, current version 350.22.0) > /System/Library/Frameworks/DVDPlayback.framework/Versions/A/DVDPlayback > (compatibility version 5000.0.0, current version 5950.0.0) > > /System/Library/Frameworks/DiscRecordingUI.framework/Versions/A/DiscRecordingUI > (compatibility version 1.0.0, current version 1.0.0) > /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current > version 1226.10.1) > > /System/Library/Frameworks/ScriptingBridge.framework/Versions/A/ScriptingBridge > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLAN > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/CryptoTokenKit.framework/Versions/A/CryptoTokenKit > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/ScreenSaver.framework/Versions/A/ScreenSaver > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa > (compatibility version 1.0.0, current version 22.0.0) > /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore > (compatibility version 1.2.0, current version 1.11.0) > /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices > (compatibility version 1.0.0, current version 728.6.0) > > /System/Library/Frameworks/MediaLibrary.framework/Versions/A/MediaLibrary > (compatibility version 1.0.0, current version 721.0.0) > > /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation > (compatibility version 150.0.0, current version 1256.14.0) > /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate > (compatibility version 1.0.0, current version 4.0.0) > > /System/Library/Frameworks/AVFoundation.framework/Versions/A/AVFoundation > (compatibility version 1.0.0, current version 2.0.0) > /System/Library/Frameworks/FWAUserLib.framework/Versions/A/FWAUserLib > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit > (compatibility version 1.0.0, current version 1.0.0) > /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface > (compatibility version 1.0.0, current version 1.0.0) > > /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration > (compatibility version 1.0.0, current version 802.20.7) > /System/Library/Frameworks/IOBluetooth.framework/Versions/A/IOBluetooth > (compatibility version 1.0.0, current version 1.0.0) > /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version > 228.0.0) > > I don't think the optimization you describe is possible with Objective-C due > to the dynamic nature of the runtime. The linker has no way of knowing that a > class won’t be accessed via NSClassFromString(), or from a nib file or > something. > > Charles >
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