[LLVMdev] Missing libclang_rt.san-x86_64.a file for Compiler-rt

[Kostya Serebryany]

Trying building from scratch (remove the build directory, sync all llvm
subprojects to the same revision, build again)

--kcc

On Wed, Apr 1, 2015 at 7:58 AM, Hongxu Chen <leftcopy.chx at gmail.com> wrote:

> Hi everyone,
>
>     (Sorry if I'm asking at the wrong mail listing, but compiler-rt page
> tells I'd better write on llvm-dev rather than cfe-dev/cfe-users.)
>
>     I've just built LLVM/Clang+Compiler-rt (Compiler-rt is put inside
> llvm/projects folder) and tried the -fsanitize option. But strangely the
> link failed since it cannot find *libclang_rt.san-x86_64.a*. The error
> message is as below:
>
>         /usr/bin/ld: cannot find
> /home/hongxu/RESEARCH/llvm-git/obj/bin/../lib/clang/3.7.0/lib/linux/libclang_rt.san-x86_64.a:
> No such file or directory
>         clang-3.7: error: linker command failed with exit code 1 (use -v
> to see invocation)
>
>     However inside the folder
> */home/hongxu/RESEARCH/llvm-git/obj/bin/../lib/clang/3.7.0/lib/linux/* there
> are other libraries:
>
>        > pwd
>        /home/hongxu/RESEARCH/llvm-git/obj/lib/clang/3.7.0/lib/linux/
>        > ll *.a |grep x86 | awk '{print $9}'
>        libclang_rt.asan_cxx-x86_64.a
>        libclang_rt.asan-preinit-x86_64.a
>        libclang_rt.asan-x86_64.a
>        libclang_rt.builtins-x86_64.a
>        libclang_rt.dd-x86_64.a
>        libclang_rt.dfsan-libc-x86_64.a
>        libclang_rt.dfsan-x86_64.a
>        libclang_rt.lsan-x86_64.a
>        libclang_rt.msan-x86_64.a
>        libclang_rt.profile-x86_64.a
>        libclang_rt.tsan-x86_64.a
>        libclang_rt.ubsan_cxx-x86_64.a
>        libclang_rt.ubsan_standalone_cxx-x86_64.a
>        libclang_rt.ubsan_standalone-x86_64.a
>        libclang_rt.ubsan-x86_64.a
>
>        I found that "libclang_rt.san-x86_64.a" was present at least for
> Clang-3.6 for ArchLinux(
> https://www.archlinux.org/packages/extra/x86_64/clang/files/). So how can
> I build to get that library?
>
>
> Thanks and Regards,
> Hongxu
>
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>
>
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