Hi, all when I make sems executable file, some errors happened:
making sems executable gcc -o sems sems.o AmAdvancedAudio.o AmApi.o AmArg.o AmAudio.o AmAudioFile.o AmAudioMixIn.o AmAudioMixer.o AmB2ABSession.o AmB2BSession.o AmBufferedAudio.o AmCachedAudioFile.o AmCallWatcher.o AmConferenceChannel.o AmConferenceStatus.o AmConfig.o AmConfigReader.o AmDtmfDetector.o AmEvent.o AmEventDispatcher.o AmEventQueue.o AmJitterBuffer.o AmMediaProcessor.o AmMultiPartyMixer.o AmPlaylist.o AmPlayoutBuffer.o AmPlugIn.o AmPrecodedFile.o AmPromptCollection.o AmRingTone.o AmRtpAudio.o AmRtpPacket.o AmRtpReceiver.o AmRtpStream.o AmSdp.o AmSession.o AmSessionContainer.o AmSessionEventHandler.o AmSessionProcessor.o AmSipDialog.o AmSipDispatcher.o AmSipEvent.o AmSipMsg.o AmThread.o AmUAC.o AmUriParser.o AmUtils.o AmZRTP.o LowcFE.o SipCtrlInterface.o jsonArg.o jsonxx.o log.o sip/sip_stack.a -lm -ldl -rdynamic -lpthread -lstdc++ -lresolv sip/sip_stack.a(resolver.o): In function `atomic_int::inc()': /usr/sems-1.3.0/core/sip/../atomic_types.h:42: undefined reference to `__sync_add_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:42: undefined reference to `__sync_add_and_fetch_4' sip/sip_stack.a(resolver.o): In function `atomic_int::dec()': /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' sip/sip_stack.a(resolver.o): In function `atomic_int::inc()': /usr/sems-1.3.0/core/sip/../atomic_types.h:42: undefined reference to `__sync_add_and_fetch_4' sip/sip_stack.a(resolver.o): In function `atomic_int::dec()': /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' sip/sip_stack.a(resolver.o):/usr/sems-1.3.0/core/sip/../atomic_types.h:47: more undefined references to `__sync_sub_and_fetch_4' follow sip/sip_stack.a(resolver.o): In function `atomic_int::inc()': /usr/sems-1.3.0/core/sip/../atomic_types.h:42: undefined reference to `__sync_add_and_fetch_4' sip/sip_stack.a(resolver.o): In function `atomic_int::dec()': /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' /usr/sems-1.3.0/core/sip/../atomic_types.h:47: undefined reference to `__sync_sub_and_fetch_4' collect2: ld returned 1 exit status make[2]: *** [sems] Error 1 make[2]: Leaving directory `/usr/sems-1.3.0/core' make[1]: [all] Error 2 (ignored) And my pc is redhat-CentOS release 5.2 (Final), kernel version is 2.6.18-92.el5xen. 2010-12-10 ------------------ 任文 艾诺通信系统（苏州）有限责任公司 苏州工业园区苏虹西路81号苏虹工业坊A8单元 Tel:13402581472
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