首先列出參考文件：admob官方參考鏈結
我是cocos2d-x v3.9的工程，在按照官方文件接入之後，出現一堆編譯錯誤例如：
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undefined symbols for architecture arm64:
"_objc_class_$_glkview", referenced from:
objc-class-ref in googlemobileads(flat-arm64)
"_cvopenglestexturecachecreatetexturefromimage", referenced from:
l2673 in googlemobileads(flat-arm64)
"_cvopenglestexturegetname", referenced from:
l2673 in googlemobileads(flat-arm64)
"_kuttagclassmimetype", referenced from:
l2987 in googlemobileads(flat-arm64)
"_cvopenglestexturecachecreate", referenced from:
l2672 in googlemobileads(flat-arm64)
"_cvpixelbuffergetheight", referenced from:
l2670 in googlemobileads(flat-arm64)
"_cvopenglestexturecacheflush", referenced from:
l2671 in googlemobileads(flat-arm64)
"_cvbuffergetattachment", referenced from:
l2670 in googlemobileads(flat-arm64)
"_uttypecreatepreferredidentifierfortag", referenced from:
l2987 in googlemobileads(flat-arm64)
"_cvpixelbuffergetwidth", referenced from:
l2670 in googlemobileads(flat-arm64)
"_kcvimagebufferycbcrmatrixkey", referenced from:
l2670 in googlemobileads(flat-arm64)
"_cvopenglestexturegettarget", referenced from:
l2673 in googlemobileads(flat-arm64)
"_kcvpixelbufferpixelformattypekey", referenced from:
l090 in googlemobileads(flat-arm64)
"_kcvimagebufferycbcrmatrix_itu_r_601_4", referenced from:
l2670 in googlemobileads(flat-arm64)
"_glkmatrix4identity", referenced from:
l2664 in googlemobileads(flat-arm64)
l2675 in googlemobileads(flat-arm64)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
請參見這篇文章的對照表，加入相應的系統框架：參考文章
framework名
缺少框架會報的錯
glkit.framework
_objc_class_$_glkview
_glkmatrix4identity
mobilecoreservices.framework
_kuttagclassmimetype
_uttypecreatepreferredidentifierfortag
corevideo.framework
_cvopenglestexturecachecreatetexturefromimage
_cvopenglestexturegetname
_cvopenglestexturecachecreate
_cvopenglestexturecacheflush
_cvpixelbuffergetwidth
_cvopenglestexturegettarget
_kcvpixelbufferpixelformattypekey
_kcvimagebufferycbcrmatrix_itu_r_601_4
_cvpixelbuffergetheight
_cvbuffergetattachment
_kcvimagebufferycbcrmatrixkey
storekit.framework
_objc_class_$_skproductsrequest
_objc_class_$_skmutablepayment
_objc_class_$_skpaymentqueue
_objc_class_$_skstoreproductviewcontroller
_skstoreproductparameteritunesitemidentifier
mediaplayer.framework
_mpmovieplayerplaybackdidfinishnotification
_mpmovieplayerplaybackstatedidchangenotification
_objc_class_$_mpmovieplayercontroller
_objc_class_$_mpvolumeview
safariservices.framework
_objc_class_$_sfsafariviewcontroller
adsupport.framework
_objc_class_$_asidentifiermanager
coremotion.framework
_objc_class_$_cmmotionmanager
coretelephony.framework
_ctradioaccesstechnologydidchangenotification
_objc_class_$_cttelephonynetworkinfo
messageui.framework
_objc_class_$_mfmailcomposeviewcontroller
_objc_class_$_mfmessagecomposeviewcontroller
coretext.framework
_ctframesettercreatewithattributedstring
_ctframesettersuggestframesizewithconstraints
gamekit.framework
_objc_class_$_gkachievement
_objc_class_$_gkscore
_objc_class_$_gkgamecenterviewcontroller
_objc_class_$_gklocalplayer
systemconfiguration.framework
_scnetworkreachabilitycreatewithaddress
_scnetworkreachabilitygetflags
_scnetworkreachabilitycreatewithname
_scnetworkreachabilitysetdispatchqueue
_scnetworkreachabilitysetcallback
security.framework
_seccertificatecreatewithdata
_sectrustcopyexceptions
_sectrustevaluate
_sectrustsetanchorcertificates
_sectrustsetexceptions
coremedia.framework
_cmtimegetseconds
_cmtimemakewithseconds
_cmtimemake
_kcmtimezero
opengles.framework
_objc_class_$_eaglcontext
_glactivetexture
cfnetwork.framework
_cfhostcreatewithname
_cfhoststartinforesolution
_cfhostgetaddressing
一般國外的sdk文件都乙個尿性，文件及其簡單。
在接入admob插屏廣告的時候，我就遇到上面的一類問題，然後就ok了
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