Re: [reSIProcate] building shared libraries on AMD64

[Byron Campen <bcampen@xxxxxxxxxxxx>]

	Well, this appears to break the shared library build on OS X.  
(Missing libstdc++ symbols) I am trying to fix this. (This will  
require .dylib support from the build system)

Best regards,
Byron Campen

> 	Hrm, looks like the object files need to be compiled with -fPIC  
> too. I will try the following slightly different patch:
>
> Index: build/Makefile.tools
> ===================================================================
> --- build/Makefile.tools        (revision 6598)
> +++ build/Makefile.tools        (working copy)
> @@ -43,6 +43,12 @@
> LNDIR          = $(shell pwd)/$(ROOT)/build/lndir.sh
> CFLAGS         += -Wall
> CXXFLAGS       += -Wall
> +
> +ifeq ($(BUILD_SHARED_LIBS),yes)
> +CFLAGS   += -fPIC
> +CXXFLAGS += -fPIC
> +endif
> +
> DFLAG_INTEGRATED = -MMD
> DEBUG_FLAG     = -g
> COMPILE_SMALL_FLAG = -Os -fno-inline -fno-keep-static-consts
>
> Best regards,
> Byron Campen
>
>
> > 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
>
> _______________________________________________
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> resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> https://list.sipfoundry.org/mailman/listinfo/resiprocate-devel

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