Getting "apple mach-o linker id error undefined symbols for architecture i386" when implement a Library in iOS5

Question

I'm having troubles to implement the PayPal Library in XCode 4. I get this error when I try to build the project:

Undefined symbols for architecture i386:
"_xmlParseMemory", referenced from:
-[AdaptivePaymentsSOAP11Binding_CancelPreapproval connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
-[AdaptivePaymentsSOAP11Binding_ConfirmPreapproval connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
-[AdaptivePaymentsSOAP11Binding_ConvertCurrency connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
-[AdaptivePaymentsSOAP11Binding_ExecutePayment connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
-[AdaptivePaymentsSOAP11Binding_GetPaymentOptions connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
-[AdaptivePaymentsSOAP11Binding_PaymentDetails connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
-[AdaptivePaymentsSOAP11Binding_Pay connectionDidFinishLoading:] in libPayPalMPL.a(AdaptivePayments.o)
...

Searching on the web I found that this is a tipical error when passing from XC3 to XC4. Maybe the Library isn't updated. But that file .a that you see there seems to be uneditable.

Have you checked whether the library is in `Build Phases > Link Binary With Libraries`? — dasdom, Dec 29 '11 at 17:20
I solved it. Have to load 3 frameworks: libXML, Security and libz. — jch, Dec 29 '11 at 19:14
Make it an answer and accept it that others can profit from your experience. — dasdom, Dec 29 '11 at 21:00

score 12 · Accepted Answer · answered Dec 30 '11 at 16:35

12

Solved. Have to load 3 frameworks: libXML, Security and libz.

answered Dec 30 '11 at 16:35

jch

183
1
10

3

Why didn't the PayPal team just say that we need those libraries? Shit! – Abramodj Mar 10 '12 at 17:23
**[How to load a framework](http://stackoverflow.com/questions/3352664/how-to-add-existing-frameworks-in-xcode-4)** – Gordon Gustafson Aug 05 '13 at 18:04
Thanks for the answer, really helped me out. PayPal MPL documentation is really lacking! – Lior Z Mar 29 '16 at 17:13

Getting "apple mach-o linker id error undefined symbols for architecture i386" when implement a Library in iOS5

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