strange errors when compile ios_dev.m

[aafaba@xxxxxxxxx (Faba Aa)]

Hi All,
    I am try to compile trunk with ios_dev.m on xcode4.3, but got following
link errors, please help. if exclude ios_dev.m, everything is ok

=============================================

Undefined symbols for architecture i386:

  ".objc_class_name_UIImageView", referenced from:

      pointer-to-literal-objc-class-name in
libpjmedia_videodev.a(ios_dev.m.o)

  ".objc_class_name_UIApplication", referenced from:

      pointer-to-literal-objc-class-name in
libpjmedia_videodev.a(ios_dev.m.o)

  ".objc_class_name_UIImage", referenced from:

      pointer-to-literal-objc-class-name in
libpjmedia_videodev.a(ios_dev.m.o)

  ".objc_class_name_NSAutoreleasePool", referenced from:

      pointer-to-literal-objc-class-name in
libpjmedia_videodev.a(ios_dev.m.o)

  ".objc_class_name_NSObject", referenced from:

      .objc_class_name_VOutDelegate in libpjmedia_videodev.a(ios_dev.m.o)

ld: symbol(s) not found for architecture i386

clang: error: linker command failed with exit code 1 (use -v to see
invocation)


Thanks,

Faba
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