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[Tom Roeder <tmroeder AT google.com>]

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 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