Bug 153620

Summary: iOS Simulator build fails because of duplicated symbols.
Product: WebKit Reporter: Louis Romero <lpromero>
Component: Tools / TestsAssignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: ap, dbates, lforschler
Priority: P2    
Version: WebKit Local Build   
Hardware: iPhone / iPad   
OS: iOS 9.2   

Description Louis Romero 2016-01-28 15:26:45 PST
iOS Simulator build fails because of duplicated symbols.

When compiling I get:
On Debug builds:
duplicate symbol _kMGQAppleInternalInstallCapability in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
duplicate symbol _kMGQiPadCapability in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
duplicate symbol _kMGQDeviceClassNumber in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
duplicate symbol _kMGQMainScreenPitch in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/MediaQueryEvaluator.o
...
duplicate symbol _kMGQDeviceName in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/UserAgentIOS.o
duplicate symbol _kMGQMainScreenScale in:
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/Device.o
    /Users/lpromero/Developer/WebKit/WebKitBuild/WebCore.build/Debug-iphonesimulator/WebCore.build/Objects-normal/x86_64/UserAgentIOS.o
ld: 30 duplicate symbols for architecture x86_64


To solve that, I move the definition to the cpp. I also had to remove one usage of one of the constants, so that it builds:
http://pastebin.com/ubMRJvWz
Comment 1 Daniel Bates 2016-02-13 11:01:57 PST

*** This bug has been marked as a duplicate of bug 153881 ***