解决Xcode6编译Cocos2d-x 3.0 IOS项目失败

<p class="p1"><span class="s1">在Xcode 6 beta里编译Cocos2d-x iOS项目时可能会失败，提示如下错误：</span></p><p class="p1"><span class="s1">Undefined symbols for architecture i386:</span></p><p class="p1"><span class="s1">  "_fwrite$UNIX2003", referenced from:</span></p><p class="p1"><span class="s1">      _unixErrorHandler in libcocos2dx iOS.a(tif_unix.o)</span></p><p class="p1"><span class="s1">      _unixWarningHandler in libcocos2dx iOS.a(tif_unix.o)</span></p><p class="p1"><span class="s1">      _empty_output_buffer in libcocos2dx iOS.a(jdatadst.o)</span></p><p class="p1"><span class="s1">      _term_destination in libcocos2dx iOS.a(jdatadst.o)</span></p><p class="p1"><span class="s1">      _Fax3PrintDir in libcocos2dx iOS.a(tif_fax3.o)</span></p><p class="p1"><span class="s1">      _PredictorPrintDir in libcocos2dx iOS.a(tif_predict.o)</span></p><p class="p1"><span class="s1">  "_strerror$UNIX2003", referenced from:</span></p><p class="p1"><span class="s1">      _TIFFOpen in libcocos2dx iOS.a(tif_unix.o)</span></p><p class="p1"><span class="s1">ld: symbol(s) not found for architecture i386</span></p><p class="p1"><span class="s1">clang: error: linker command failed with exit code 1 (use -v to see invocation)</span></p><p class="p1"><span class="s1">如下图所示：</span></p><img src="https://img-blog.csdn.net/20141019160138531?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYXNoZW5kb3Zl/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />

</pre><pre name="code" class="html"><p class="p1"><span class="s1">解决方法很简单，只需要在AppDelegate.cpp中加入如下代码即可：</span></p>

</pre><pre name="code" class="html">extern"C"{

size_t fwrite$UNIX2003( const void *a, size_t b, size_t c, FILE *d )

{

return fwrite(a, b, c, d);

}

char* strerror$UNIX2003( int errnum )

{

return strerror(errnum);

}

}