Re: [reSIProcate] building shared libraries on AMD64

["Alfred E. Heggestad" <aeh@xxxxxx>]

hi Byron

here is the error when building rutil shared:


gcc -fPIC -shared  -o obj.debug.Linux.x86_64/librutil.so obj.debug.Linux.x86_64/AbstractFifo.o 
obj.debug.Linux.x86_64/BaseException.o obj.debug.Linux.x86_64/Coders.o obj.debug.Linux.x86_64/Condition.o 
obj.debug.Linux.x86_64/CountStream.o obj.debug.Linux.x86_64/Data.o obj.debug.Linux.x86_64/DataStream.o 
obj.debug.Linux.x86_64/DnsUtil.o obj.debug.Linux.x86_64/FileSystem.o obj.debug.Linux.x86_64/HeapInstanceCounter.o 
obj.debug.Linux.x86_64/Lock.o obj.debug.Linux.x86_64/Log.o obj.debug.Linux.x86_64/Logger.o 
obj.debug.Linux.x86_64/MD5Stream.o obj.debug.Linux.x86_64/Mutex.o obj.debug.Linux.x86_64/OpenSSLInit.o 
obj.debug.Linux.x86_64/ParseBuffer.o obj.debug.Linux.x86_64/Poll.o obj.debug.Linux.x86_64/RWMutex.o 
obj.debug.Linux.x86_64/Random.o obj.debug.Linux.x86_64/RecursiveMutex.o obj.debug.Linux.x86_64/SelectInterruptor.o 
obj.debug.Linux.x86_64/SHA1Stream.o obj.debug.Linux.x86_64/Socket.o obj.debug.Linux.x86_64/Subsystem.o 
obj.debug.Linux.x86_64/SysLogBuf.o obj.debug.Linux.x86_64/SysLogStream.o obj.debug.Linux.x86_64/ThreadIf.o 
obj.debug.Linux.x86_64/Timer.o obj.debug.Linux.x86_64/vmd5.o obj.debug.Linux.x86_64/dns/AresDns.o 
obj.debug.Linux.x86_64/dns/DnsAAAARecord.o obj.debug.Linux.x86_64/dns/DnsCnameRecord.o 
obj.debug.Linux.x86_64/dns/DnsHostRecord.o obj.debug.Linux.x86_64/dns/DnsNaptrRecord.o 
obj.debug.Linux.x86_64/dns/DnsSrvRecord.o obj.debug.Linux.x86_64/dns/DnsStub.o 
obj.debug.Linux.x86_64/dns/ExternalDnsFactory.o obj.debug.Linux.x86_64/dns/RRCache.o obj.debug.Linux.x86_64/dns/RRList.o 
obj.debug.Linux.x86_64/dns/RRVip.o obj.debug.Linux.x86_64/dns/QueryTypes.o obj.debug.Linux.x86_64/dns/RROverlay.o 
obj.debug.Linux.x86_64/stun/Stun.o obj.debug.Linux.x86_64/stun/Udp.o
/usr/bin/ld: obj.debug.Linux.x86_64/AbstractFifo.o: relocation R_X86_64_32 against `a local symbol' can not be used when 
making a shared object; recompile with -fPIC
obj.debug.Linux.x86_64/AbstractFifo.o: could not read symbols: Bad value
collect2: ld returned 1 exit status
make: *** [obj.debug.Linux.x86_64/librutil.so] Error 1


the system is Ubuntu 6.06 AMD64, g++ v4.0.3


my fix was to add the -fPIC compile flag:
(you should verify if this is correct)


--- build/Makefile.tools        (revision 6599)
+++ build/Makefile.tools        (working copy)
@@ -41,8 +41,8 @@
 DMANGLE                =
 INSTALL                = install
 LNDIR          = $(shell pwd)/$(ROOT)/build/lndir.sh
-CFLAGS         += -Wall
-CXXFLAGS       += -Wall
+CFLAGS         += -Wall -fPIC
+CXXFLAGS       += -Wall -fPIC
 DFLAG_INTEGRATED = -MMD
 DEBUG_FLAG     = -g
 COMPILE_SMALL_FLAG = -Os -fno-inline -fno-keep-static-consts


/alfred

Byron Campen wrote:
>     I see some logic in the build system that was meant to handle this 
> sort of thing, but it appears to not be working. Could you send the 
> link-line?
>
> Best regards,
> Byron Campen
>
> > hi
> >
> > when building resiprocate with "Should the resip libraries be built
> > shared?" set to "Yes", I got the following error:
> >
> >
> > /usr/bin/ld: obj.debug.Linux.x86_64/AbstractFifo.o: relocation
> > R_X86_64_32 against `a local symbol' can not be used when making a
> > shared object; recompile with -fPIC
> > obj.debug.Linux.x86_64/AbstractFifo.o: could not read symbols: Bad value
> > collect2: ld returned 1 exit status
> > make: *** [obj.debug.Linux.x86_64/librutil.so] Error 1
> >
> >
> > adding the "-fPIC" option solved the problem, but I am not sure if
> > this is the correct way to solve it.. patch below:
> >
> >
> > Index: build/Makefile.tools
> > ===================================================================
> > --- build/Makefile.tools        (revision 6553)
> > +++ build/Makefile.tools        (working copy)
> > @@ -41,8 +41,8 @@
> >  DMANGLE                =
> >  INSTALL                = install
> >  LNDIR          = $(shell pwd)/$(ROOT)/build/lndir.sh
> > -CFLAGS         += -Wall
> > -CXXFLAGS       += -Wall
> > +CFLAGS         += -Wall -fPIC
> > +CXXFLAGS       += -Wall -fPIC
> >  DFLAG_INTEGRATED = -MMD
> >  DEBUG_FLAG     = -g
> >  COMPILE_SMALL_FLAG = -Os -fno-inline -fno-keep-static-consts
> >
> >
> > _______________________________________________
> > resiprocate-devel mailing list
> > resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> > https://list.sipfoundry.org/mailman/listinfo/resiprocate-devel