This is Ubuntu 10.04.3 LTS i686 (32-bit) with gcc 4.4.3 here …
While trying to compile the current ROOT “v5-30-00-patches@41667”, I get …
Making cms component...
cd src/XrdCms;\
make all ARCH=i386_linux --no-print-directory
Creating executable ../../bin/cmsd
g++ -D_ALL_SOURCE -D_REENTRANT -D_GNU_SOURCE -fPIC -rdynamic -Wall -Wno-deprecated -D__linux__ -m32 -O2 ../../obj/XrdCmsAdmin.o ../../obj/XrdCmsBaseFS.o ../../obj/XrdCmsCache.o ../../obj/XrdCmsCluster.o ../../obj/XrdCmsConfig.o ../../obj/XrdCmsJob.o ../../obj/XrdCmsKey.o ../../obj/XrdCmsManList.o ../../obj/XrdCmsManTree.o ../../obj/XrdCmsManager.o ../../obj/XrdCmsMeter.o ../../obj/XrdCmsNash.o ../../obj/XrdCmsNode.o ../../obj/XrdCmsPList.o ../../obj/XrdCmsPrepArgs.o ../../obj/XrdCmsPrepare.o ../../obj/XrdCmsProtocol.o ../../obj/XrdCmsReq.o ../../obj/XrdCmsRouting.o ../../obj/XrdCmsRRQ.o ../../obj/XrdCmsRTable.o ../../obj/XrdCmsState.o ../../obj/XrdCmsSupervisor.o ../../obj/XrdCmsXmiReq.o ../../obj/XrdCmsLogin.o ../../obj/XrdCmsParser.o ../../obj/XrdCmsRRData.o ../../obj/XrdCmsSecurity.o ../../obj/XrdCmsTalk.o -L../../lib -lXrdOss -lXrdFrm -lXrdNet -lXrdOuc -lXrdNetUtil -lXrd -lXrdSys -lnsl -lpthread -lrt -ldl -lc -o ../../bin/cmsd
../../lib/libXrd.a(XrdLink.o): In function `XrdLink::syncStats(int*)':
XrdLink.cc:(.text+0x110): undefined reference to `__sync_fetch_and_add_8'
XrdLink.cc:(.text+0x145): undefined reference to `__sync_fetch_and_and_8'
XrdLink.cc:(.text+0x15f): undefined reference to `__sync_fetch_and_add_8'
XrdLink.cc:(.text+0x175): undefined reference to `__sync_fetch_and_add_8'
XrdLink.cc:(.text+0x1d1): undefined reference to `__sync_fetch_and_and_8'
XrdLink.cc:(.text+0x1eb): undefined reference to `__sync_fetch_and_add_8'
XrdLink.cc:(.text+0x201): undefined reference to `__sync_fetch_and_add_8'
../../lib/libXrd.a(XrdLink.o): In function `XrdLink::Stats(char*, int, int)':
XrdLink.cc:(.text+0x337): undefined reference to `__sync_fetch_and_or_8'
XrdLink.cc:(.text+0x359): undefined reference to `__sync_fetch_and_or_8'
XrdLink.cc:(.text+0x37d): undefined reference to `__sync_fetch_and_or_8'
XrdLink.cc:(.text+0x3a1): undefined reference to `__sync_fetch_and_or_8'
../../lib/libXrd.a(XrdLink.o): In function `XrdLink::Send(char const*, int)':
XrdLink.cc:(.text+0x901): undefined reference to `__sync_fetch_and_add_8'
XrdLink.cc:(.text+0x951): undefined reference to `__sync_fetch_and_add_8'
XrdLink.cc:(.text+0x9b7): undefined reference to `__sync_fetch_and_add_8'
../../lib/libXrd.a(XrdLink.o): In function `XrdLink::Send(XrdLink::sfVec const*, int)':
XrdLink.cc:(.text+0xbe3): undefined reference to `__sync_fetch_and_add_8'
../../lib/libXrd.a(XrdLink.o): In function `XrdLink::Send(iovec const*, int, int)':
XrdLink.cc:(.text+0xda4): undefined reference to `__sync_fetch_and_add_8'
../../lib/libXrd.a(XrdLink.o):XrdLink.cc:(.text+0xdf8): more undefined references to `__sync_fetch_and_add_8' follow
collect2: ld returned 1 exit status
make[5]: *** [../../bin/cmsd] Error 1
make[4]: *** [Linuxall] Error 2
make[3]: *** [all] Error 2
make[2]: *** [XrdCms] Error 2
make[1]: *** [all] Error 2
Note: this problem does not exist in the current “trunk” as the “xrootd” seems to be completely removed from the ROOT’s “trunk” source code.