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[Tom Roeder <tmroeder AT google.com>]

OK, I've filed a bug with my details from the original mail:
http://llvm.org/bugs/show_bug.cgi?id=14509

Thanks,

Tom

On Tue, Dec 4, 2012 at 10:38 AM, John Criswell 
<criswell AT illinois.edu>
 wrote:
> On 12/4/12 11:45 AM, Tom Roeder wrote:
>
> Hi,
>
> I just grabbed the latest SAFECode release (following the instructions at
> http://safecode.cs.illinois.edu/downloads.html for LLVM 3.2); the SAFECode
> branch that I have is currently at rev 169035.
>
> But when I try to build, I get linking errors about "anonymous version tag
> cannot be combined with other version tags".  The tail of the build is as
> follows:
>
> llvm[4]: Compiling CXType.cpp for Release build (PIC)
> llvm[4]: Compiling IndexBody.cpp for Release build (PIC)
> llvm[4]: Compiling IndexDecl.cpp for Release build (PIC)
> llvm[4]: Compiling IndexTypeSourceInfo.cpp for Release build (PIC)
> llvm[4]: Compiling Indexing.cpp for Release build (PIC)
> llvm[4]: Compiling IndexingContext.cpp for Release build (PIC)
> llvm[4]: Linking Release Shared Library libclang.so
> llvm[4]: Building Release Archive Library libclang.a
> /usr/bin/ld: anonymous version tag cannot be combined with other version
> tags
> collect2: ld returned 1 exit status
> make[4]: ***
> [/home/tmroeder/src/llvm/projects/safecode/Release/lib/libclang.so] Error 1
> make[4]: Leaving directory
> `/home/tmroeder/src/llvm/projects/safecode/tools/clang/tools/libclang'
> make[3]: *** [all] Error 1
> make[3]: Leaving directory
> `/home/tmroeder/src/llvm/projects/safecode/tools/clang/tools'
> make[2]: *** [all] Error 1
> make[2]: Leaving directory
> `/home/tmroeder/src/llvm/projects/safecode/tools/clang'
> make[1]: *** [clang/.makeall] Error 2
> make[1]: Leaving directory `/home/tmroeder/src/llvm/projects/safecode/tools'
> make: *** [all] Error 1
>
>
> I don't believe anyone has found a solution to this problem (other than
> hacking the Makefiles to build only the compiler front-end which, for
> SAFECode, is the only component that is really needed).  Part of the reason
> why I haven't looked closer into it is that the problem doesn't occur on any
> of our Linux machines and, until now, I didn't think it affected that many
> people.
>
> I don't suppose you've tested on Scientific Linux 6?  If not, I think the
> only way I can fix the problem is to create a VMWare virtual machine image
> with Ubuntu.  I can try to take a look at it either later this week or early
> next week.
>
> Can you file a bug report with these details?
>
> -- John T.
>
>
>
> I configured and ran the build from the top-level llvm directory as follows:
>
> ./configure --enable-optimized --disable-assertions && make -j4 tools-only
> && cd projects/poolalloc && make -j4 && cd ../safecode && make -j4
>
> And my ld and gcc report the following versions
>
> GNU ld (GNU Binutils for Ubuntu) 2.22
> gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
>
> I have reproduced this problem in multiple configurations and on multiple
> machines (including building this with clang instead of gcc).  Just to get
> an easily repro'd config, the previous results are from a stock virtual
> machine version of Ubuntu Precise:
>
> Ubuntu 12.04.1 LTS (GNU/Linux 2.6.39-gcg-20121018 x86_64)
>
> The only change I made to the installation was to apt-get install g++ and
> subversion.
>
> I see that there was a similar thread on svadev in September about a similar
> problem, and I can confirm the comment
> (http://lists.cs.uiuc.edu/pipermail/svadev/2012-September/000388.html) from
> that thread that says removing everything but the driver target from
> tools/clang/tools/Makefile allows clang to build correctly. Adding back any
> of the other targets (libclang c-index-test arcmt-test c-arcmt-test diagtool
> clang-check) causes the same error from ld.
>
> Has anyone found a solution to this problem?
>
> Thanks,
>
> Tom Roeder
>
>
>
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