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Re: How to use dynamic library in the Xcode

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Re: How to use dynamic library in the Xcode

Subject: Re: How to use dynamic library in the Xcode
From: Wang Yongqing <email@hidden>
Date: Thu, 26 Jun 2008 22:57:30 -0700 (PDT)

Hi,

Yes, it can generate the application based on i386, but it is failed based on ppc.

The type of the dynamic library is

apple:lib apple$ file libpcsclite.1.0.0.dylib

libpcsclite.1.0.0.dylib: Mach-O dynamically linked shared library i386

The error information is

ld: warning in /Developer/SDKs/MacOSX10.5.sdk/usr/local/lib/libpcsclite.1.0.0.dylib, file is not of required architecture

Undefined symbols:

"_g_rgSCardT1Pci", referenced from:

_g_rgSCardT1Pci$non_lazy_ptr in tdstest.o

"_SCardListReaders", referenced from:

_main in tdstest.o

"_SCardStatus", referenced from:

_main in tdstest.o

"_SCardDisconnect", referenced from:

_main in tdstest.o

"_g_rgSCardT0Pci", referenced from:

_g_rgSCardT0Pci$non_lazy_ptr in tdstest.o

"_SCardSetAttrib", referenced from:

_main in tdstest.o

"_pcsc_stringify_error", referenced from:

_test_rv in tdstest.o

_main in tdstest.o

"_SCardReleaseContext", referenced from:

_test_rv in tdstest.o

_main in tdstest.o

"_SCardControl", referenced from:

_main in tdstest.o

"_SCardTransmit", referenced from:

_main in tdstest.o

"_SCardEstablishContext", referenced from:

_main in tdstest.o

"_SCardGetAttrib", referenced from:

_main in tdstest.o

"_SCardGetStatusChange", referenced from:

_main in tdstest.o

"_SCardConnect", referenced from:

_main in tdstest.o

"_SCardReconnect", referenced from:

_main in tdstest.o

"_SCardListReaderGroups", referenced from:

_main in tdstest.o

ld: symbol(s) not found

collect2: ld returned 1 exit status

So it indicate the file architecture is not right, whether Xcode can not generate the Universal Binary by linking the dynamic library which is only support the i386 architecture?

::yongqing

----- Original Message ----
From: Stefan Werner <email@hidden>
To: Wang Yongqing <email@hidden>
Cc: Chris Espinosa <email@hidden>; xcode-users <email@hidden>
Sent: Friday, June 27, 2008 1:36:10 PM
Subject: Re: How to use dynamic library in the Xcode

Hi,

On Jun 27, 2008, at 7:20 AM, Wang Yongqing wrote:
> Yes, I set the Other Linker Flags to "/usr/local/lib"
> and Header Search Paths is "/usr/local/include/"
> Library Search Paths is "/usr/local/lib"
>
> I have added the /usr/local/lib/libpcsclite.1.0.0.dylib into my
> project.

Remove "/usr/local/lib" from the other linker flags, then it should
hopefully work. Other linker flags are passed directly to ld, and ld
interprets a file path as a file to link against (even if it is, like
in your case, a directory).

-Stefan

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