I don't use xcode to compile. We use a GNU makefile. I try to link those library : boost_thread and boost_regex. Le 9 f�vr. 06, � 16:55, RIVASSEAU Jean Noel a �crit : <excerpt> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>Do you develop in XCode�? I remember that while developing on XCode there is an option that does fast linking (it is called Zero Link) and if you check that, it does not really link your application at link time but only at run time.</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>�</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>So I think this is in fact a linking problem, disable the Zero Link option under XCode and your code will probably fail to link.</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>�</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>As to why it does not link, I do not know, which library (boost) are you trying to link to ?</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>�</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>Jean-No�l</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>�</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>�</x-tad-bigger></color></fontfamily> <fontfamily><param>Arial</param><color><param>0000,0000,8080</param><x-tad-bigger>�</x-tad-bigger></color></fontfamily> <bold><fontfamily><param>Tahoma</param><x-tad-bigger>De�:</x-tad-bigger></fontfamily></bold><fontfamily><param>Tahoma</param><x-tad-bigger> boost-users-bounces@lists.boost.org [mailto:boost-users-bounces@lists.boost.org] </x-tad-bigger><bold><x-tad-bigger>De la part de</x-tad-bigger></bold><x-tad-bigger> Locatelli J�r�me</x-tad-bigger></fontfamily> <bold><fontfamily><param>Tahoma</param><x-tad-bigger>Envoy�:</x-tad-bigger></fontfamily></bold><fontfamily><param>Tahoma</param><x-tad-bigger> jeudi 9 f�vrier 2006 14:14</x-tad-bigger></fontfamily> <bold><fontfamily><param>Tahoma</param><x-tad-bigger>��:</x-tad-bigger></fontfamily></bold><fontfamily><param>Tahoma</param><x-tad-bigger> boost-users@lists.boost.org</x-tad-bigger></fontfamily> <bold><fontfamily><param>Tahoma</param><x-tad-bigger>Objet�:</x-tad-bigger></fontfamily></bold><fontfamily><param>Tahoma</param><x-tad-bigger> [Boost-users] pd darwin Symbol not found</x-tad-bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>�</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>I'am writing a application on MacOS 10.4.4 using darwin 8 with gcc 4, I compile and link my application without problem but when I run my application , I've got the error bellow. Has anybody got an idear??</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>�</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Thanks.</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>�</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>dyld: lazy symbol binding failed: Symbol not found: __ZN5boost6detail3tss4initEPNS_9function1IvPvSaINS_13function_baseEEEE</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Referenced from: /Users/locatelli/Projets/ics/IcsServer/obj.ics/../lib/libIcsServerCommandSystem.0</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Expected in: flat namespace</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>�</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>dyld: Symbol not found: __ZN5boost6detail3tss4initEPNS_9function1IvPvSaINS_13function_baseEEEE</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Referenced from: /Users/locatelli/Projets/ics/IcsServer/obj.ics/../lib/libIcsServerCommandSystem.0</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Expected in: flat namespace</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>�</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Trace/BPT trap</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>�</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>---------------------------------------------------</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Locatelli J�r�me</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Institut Laue-Langevin</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Service Contr�le des instruments</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>6 rue Jules Horowitz, BP 156</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>38042 Grenoble cedex 9</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>http://www.ill.fr/</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Tel: 33 (0)4 76 20 76 27</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>Fax: 33 (0)4 76 20 77 00</bigger></bigger></fontfamily> <fontfamily><param>Times New Roman</param><bigger><bigger>---------------------------------------------------</bigger></bigger></fontfamily> _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users </excerpt>--------------------------------------------------- Locatelli J�r�me Institut Laue-Langevin Service Contr�le des instruments 6 rue Jules Horowitz, BP 156 38042 Grenoble cedex 9 http://www.ill.fr/ Tel: 33 (0)4 76 20 76 27 Fax: 33 (0)4 76 20 77 00 ---------------------------------------------------