集成百度地图SDK，按照文档设置之后，运行报错。
Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_NSMutableParagraphStyle", referenced from:
objc-class-ref in BaiduMapAPI_Base(VBGL.o)
"_UIGraphicsPushContext", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_NSForegroundColorAttributeName", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_NSStrokeColorAttributeName", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_NSStrokeWidthAttributeName", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_OBJC_CLASS_$_UIButton", referenced from:
objc-class-ref in BaiduMapAPI_Map(BMKActionPaopaoView.o)
objc-class-ref in BaiduMapAPI_Base(StretchImageUtil.o)
objc-class-ref in BaiduMapAPI_Base(BMLogService.o)
"_OBJC_CLASS_$_UITapGestureRecognizer", referenced from:
objc-class-ref in BaiduMapAPI_Map(BMKAnnotationView.o)
"_UIGraphicsBeginImageContextWithOptions", referenced from:
-[BMKMapView takeSnapshot:] in BaiduMapAPI_Map(BMKMapView.o)
"_UIGraphicsGetImageFromCurrentImageContext", referenced from:
-[BMKMapView takeSnapshot:] in BaiduMapAPI_Map(BMKMapView.o)
_baidu_vi::SaveBufferBmp2Png(char*, int, int, int, _baidu_vi::CVString&) in BaiduMapAPI_Base(VOSPng.o)
"_UIApplicationWillResignActiveNotification", referenced from:
-[BMKMapView registerNotification] in BaiduMapAPI_Map(BMKMapView.o)
-[BMKMapView unRegisterNotification] in BaiduMapAPI_Map(BMKMapView.o)
"_UIGraphicsBeginImageContext", referenced from:
_baidu_vi::SaveBufferBmp2Png(char*, int, int, int, _baidu_vi::CVString&) in BaiduMapAPI_Base(VOSPng.o)
"_UIGraphicsPopContext", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_OBJC_METACLASS_$_UIControl", referenced from:
_OBJC_METACLASS_$_PaopaoButton in BaiduMapAPI_Map(PaopaoBaseView.o)
"_UIEdgeInsetsZero", referenced from:
-[BMKMapView initSubView] in BaiduMapAPI_Map(BMKMapView.o)
"_OBJC_METACLASS_$_UIView", referenced from:
_OBJC_METACLASS_$_BaseMapScaleView in BaiduMapAPI_Map(BaseMapScaleView.o)
_OBJC_METACLASS_$_BMKOverlayView in BaiduMapAPI_Map(BMKOverlayView.o)
_OBJC_METACLASS_$_CompassView in BaiduMapAPI_Map(CompassView.o)
_OBJC_METACLASS_$__BMK_BaiduMap_EAGLView in BaiduMapAPI_Map(EAGLView.o)
_OBJC_METACLASS_$_BMKTapDetectingView in BaiduMapAPI_Map(BMKTapDetectingView.o)
_OBJC_METACLASS_$_BMKInternalMapView in BaiduMapAPI_Map(MapView.o)
_OBJC_METACLASS_$_BMKMapView in BaiduMapAPI_Map(BMKMapView.o)
...
"_UIDeviceOrientationDidChangeNotification", referenced from:
-[BMKMapView registerNotification] in BaiduMapAPI_Map(BMKMapView.o)
-[BMKMapView unRegisterNotification] in BaiduMapAPI_Map(BMKMapView.o)
"_OBJC_CLASS_$_UILongPressGestureRecognizer", referenced from:
objc-class-ref in BaiduMapAPI_Map(BMKTapDetectingView.o)
objc-class-ref in BaiduMapAPI_Map(BMKAnnotationView.o)
"_NSParagraphStyleAttributeName", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_OBJC_CLASS_$_UIApplication", referenced from:
objc-class-ref in BaiduMapAPI_Map(MapView.o)
objc-class-ref in BaiduMapAPI_Base(BMLogService.o)
objc-class-ref in BaiduMapAPI_Base(VDeviceAPI.o)
"_OBJC_CLASS_$_UIScreen", referenced from:
objc-class-ref in BaiduMapAPI_Map(EAGLView.o)
objc-class-ref in BaiduMapAPI_Map(BMMapViewManager.o)
objc-class-ref in BaiduMapAPI_Map(HardwareInfo.o)
objc-class-ref in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
objc-class-ref in BaiduMapAPI_Search(BMKBaseURLResponseSerialization.o)
objc-class-ref in BaiduMapAPI_Base(BMSDKDeviceInfo.o)
objc-class-ref in BaiduMapAPI_Base(UIDeviceScreen.o)
...
"_OBJC_CLASS_$_UIView", referenced from:
_OBJC_CLASS_$_BaseMapScaleView in BaiduMapAPI_Map(BaseMapScaleView.o)
_OBJC_CLASS_$_BMKOverlayView in BaiduMapAPI_Map(BMKOverlayView.o)
_OBJC_CLASS_$_CompassView in BaiduMapAPI_Map(CompassView.o)
objc-class-ref in BaiduMapAPI_Map(CompassView.o)
_OBJC_CLASS_$__BMK_BaiduMap_EAGLView in BaiduMapAPI_Map(EAGLView.o)
_OBJC_CLASS_$_BMKTapDetectingView in BaiduMapAPI_Map(BMKTapDetectingView.o)
objc-class-ref in BaiduMapAPI_Map(MapView.o)
...
"_OBJC_CLASS_$_UIControl", referenced from:
_OBJC_CLASS_$_PaopaoButton in BaiduMapAPI_Map(PaopaoBaseView.o)
"_OBJC_CLASS_$_UITextView", referenced from:
objc-class-ref in BaiduMapAPI_Base(BMLogService.o)
"_OBJC_CLASS_$_UILabel", referenced from:
objc-class-ref in BaiduMapAPI_Map(PaopaoBaseView.o)
"_UIApplicationDidBecomeActiveNotification", referenced from:
-[BMKMapView registerNotification] in BaiduMapAPI_Map(BMKMapView.o)
-[BMKMapView unRegisterNotification] in BaiduMapAPI_Map(BMKMapView.o)
"_OBJC_CLASS_$_UIImage", referenced from:
objc-class-ref in BaiduMapAPI_Map(BMKOverlayView.o)
objc-class-ref in BaiduMapAPI_Map(BMKPinAnnotationView.o)
objc-class-ref in BaiduMapAPI_Map(CompassView.o)
objc-class-ref in BaiduMapAPI_Map(BMKMapView.o)
objc-class-ref in BaiduMapAPI_Map(LocationView.o)
objc-class-ref in BaiduMapAPI_Search(BMKBaseURLResponseSerialization.o)
l_OBJC_$_CATEGORY_UIImage_$_BMKBaseNetworkingSafeImageLoading in BaiduMapAPI_Search(BMKBaseURLResponseSerialization.o)
...
"_UIApplicationMain", referenced from:
_main in main.o
"_OBJC_CLASS_$_UIDevice", referenced from:
objc-class-ref in BaiduMapAPI_Map(LocalMapImport.o)
objc-class-ref in BaiduMapAPI_Map(LocalMap.o)
objc-class-ref in BaiduMapAPI_Map(BMKAnnotationView.o)
objc-class-ref in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
objc-class-ref in BaiduMapAPI_Base(BMSDKDeviceInfo.o)
objc-class-ref in BaiduMapAPI_Base(UIDeviceScreen.o)
objc-class-ref in BaiduMapAPI_Base(VBGL.o)
...
(maybe you meant: _OBJC_CLASS_$_UIDeviceScreen)
"_OBJC_CLASS_$_UIFont", referenced from:
objc-class-ref in BaiduMapAPI_Map(BaseMapScaleView.o)
objc-class-ref in BaiduMapAPI_Map(PaopaoBaseView.o)
objc-class-ref in BaiduMapAPI_Base(VBGL.o)
objc-class-ref in BaiduMapAPI_Base(BMLogService.o)
"_OBJC_CLASS_$_UIViewController", referenced from:
_OBJC_CLASS_$_ViewController in ViewController.o
"_NSFontAttributeName", referenced from:
+[BMKVIDrawTextHelper sizeWithFont:strings:] in BaiduMapAPI_Base(VBGL.o)
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
_baidu_vi::vi_map::GetFontTextrueSizeOS(unsigned short*, unsigned int, unsigned int, unsigned short*) in BaiduMapAPI_Base(VBGL.o)
_baidu_vi::vi_map::MetricTextFontSizeOS(unsigned short*, int, unsigned int, unsigned int, float&, float&) in BaiduMapAPI_Base(VBGL.o)
"_OBJC_CLASS_$_UIColor", referenced from:
objc-class-ref in BaiduMapAPI_Map(BaseMapScaleView.o)
objc-class-ref in BaiduMapAPI_Map(BMKGradient.o)
objc-class-ref in BaiduMapAPI_Map(BMKOverlayView.o)
objc-class-ref in BaiduMapAPI_Map(BMKOverlayGLBasicView.o)
objc-class-ref in BaiduMapAPI_Map(PaopaoBaseView.o)
objc-class-ref in BaiduMapAPI_Map(MapView.o)
objc-class-ref in BaiduMapAPI_Map(BMKGradient+Interval.o)
...
"_OBJC_CLASS_$_UIImageView", referenced from:
objc-class-ref in BaiduMapAPI_Map(CompassView.o)
objc-class-ref in BaiduMapAPI_Map(BMKMapView.o)
objc-class-ref in BaiduMapAPI_Base(StretchImageUtil.o)
"_UIImagePNGRepresentation", referenced from:
_baidu_vi::vi_map::WriteBitmapToFile(void*, int, int, int) in BaiduMapAPI_Base(VBGL.o)
_baidu_vi::SaveBufferBmp2Png(char*, int, int, int, _baidu_vi::CVString&) in BaiduMapAPI_Base(VOSPng.o)
"_UIGraphicsGetCurrentContext", referenced from:
-[BaseMapScaleView drawRect:] in BaiduMapAPI_Map(BaseMapScaleView.o)
-[BMKOverlayView drawRect:] in BaiduMapAPI_Map(BMKOverlayView.o)
-[BaiduMapEAGLView drawRect:] in BaiduMapAPI_Map(EAGLView.o)
-[BMKMapView takeSnapshot:] in BaiduMapAPI_Map(BMKMapView.o)
-[SingleCircleView drawRect:] in BaiduMapAPI_Map(LocationView.o)
_baidu_vi::SaveBufferBmp2Png(char*, int, int, int, _baidu_vi::CVString&) in BaiduMapAPI_Base(VOSPng.o)
"_NSBackgroundColorAttributeName", referenced from:
_baidu_vi::vi_map::GenTextImage(unsigned short*, unsigned int, unsigned int, unsigned int&, unsigned int&, unsigned int&, unsigned int&, unsigned long, unsigned long, unsigned long, unsigned int, int, _baidu_vi::vi_map::TextAlignedType) in BaiduMapAPI_Base(VBGL.o)
"_OBJC_CLASS_$_UIResponder", referenced from:
_OBJC_CLASS_$_AppDelegate in AppDelegate.o
"_OBJC_METACLASS_$_UIResponder", referenced from:
_OBJC_METACLASS_$_AppDelegate in AppDelegate.o
"_UIGraphicsEndImageContext", referenced from:
-[BMKMapView takeSnapshot:] in BaiduMapAPI_Map(BMKMapView.o)
_baidu_vi::SaveBufferBmp2Png(char*, int, int, int, _baidu_vi::CVString&) in BaiduMapAPI_Base(VOSPng.o)
"_OBJC_METACLASS_$_UIViewController", referenced from:
_OBJC_METACLASS_$_ViewController in ViewController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
从网上查询得知，需要将Target->Build Settings->Compile Source AS，从Objective-C++改为Objective-C。
而后，报错信息为：
Undefined symbols for architecture x86_64:
"_SCNetworkReachabilityGetFlags", referenced from:
___52-[BMKBaseNetworkReachabilityManager startMonitoring]_block_invoke.55 in BaiduMapAPI_Search(BMKBaseNetworkReachabilityManager.o)
-[BMKReachability connectionRequired] in BaiduMapAPI_Base(BMReachability.o)
-[BMKReachability currentReachabilityStatus] in BaiduMapAPI_Base(BMReachability.o)
"_SCNetworkReachabilityUnscheduleFromRunLoop", referenced from:
-[BMKBaseNetworkReachabilityManager stopMonitoring] in BaiduMapAPI_Search(BMKBaseNetworkReachabilityManager.o)
-[BMKReachability stopNotifer] in BaiduMapAPI_Base(BMReachability.o)
"_SCNetworkReachabilityScheduleWithRunLoop", referenced from:
-[BMKBaseNetworkReachabilityManager startMonitoring] in BaiduMapAPI_Search(BMKBaseNetworkReachabilityManager.o)
-[BMKReachability startNotifer] in BaiduMapAPI_Base(BMReachability.o)
"_kUTTagClassMIMEType", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
"_SCNetworkReachabilityCreateWithName", referenced from:
+[BMKBaseNetworkReachabilityManager managerForDomain:] in BaiduMapAPI_Search(BMKBaseNetworkReachabilityManager.o)
+[BMKReachability reachabilityWithHostName:] in BaiduMapAPI_Base(BMReachability.o)
"_kUTTagClassFilenameExtension", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
"_SCNetworkReachabilitySetCallback", referenced from:
-[BMKBaseNetworkReachabilityManager startMonitoring] in BaiduMapAPI_Search(BMKBaseNetworkReachabilityManager.o)
-[BMKReachability startNotifer] in BaiduMapAPI_Base(BMReachability.o)
"_UTTypeCreatePreferredIdentifierForTag", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
"_SCNetworkReachabilityCreateWithAddress", referenced from:
+[BMKBaseNetworkReachabilityManager managerForAddress:] in BaiduMapAPI_Search(BMKBaseNetworkReachabilityManager.o)
+[BMKReachability reachabilityWithAddress:] in BaiduMapAPI_Base(BMReachability.o)
"_UTTypeCopyPreferredTagWithClass", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
应该是网络相关的库文件缺失。添加库文件SystemConfiguration.framework之后
还会报错如下：
Undefined symbols for architecture x86_64:
"_kUTTagClassFilenameExtension", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
"_kUTTagClassMIMEType", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
"_UTTypeCreatePreferredIdentifierForTag", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
"_UTTypeCopyPreferredTagWithClass", referenced from:
-[BMKBaseStreamingMultipartFormData appendPartWithFileURL:name:error:] in BaiduMapAPI_Search(BMKBaseURLRequestSerialization.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
再添加库文件 MobileCoreServices.framework能够编译成功。
大部分Undefined symbols for architecture x86_64都是缺失库文件导致的，可以根据报错信息确定缺失的库文件，添加到工程。
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