Hello, I compiled PjSIP with Run time library Multi-threaded Debug DLL (/MDd) succesfully but could not compile it with runtime library Multi-threaded (/MT) its givind error Linking... MSVCRT.lib(MSVCR90.dll) : error LNK2005: _memchr already defined in LIBCMT.lib(memchr.obj) MSVCRT.lib(MSVCR90.dll) : error LNK2005: _sprintf already defined in LIBCMT.lib(sprintf.obj) MSVCRT.lib(MSVCR90.dll) : error LNK2005: __snprintf already defined in LIBCMT.lib(snprintf.obj) MSVCRT.lib(MSVCR90.dll) : error LNK2005: _strncpy already defined in LIBCMT.lib(strncpy.obj) Thanks for any clue -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20091030/fd31f8a2/attachment.html>