[llvm-dev] [EXTERNAL] Re: Sanitizers are broken/missing in my build of 10.0.1

[Oleg Smolsky via llvm-dev]

Confirmed, this brings working sanitizers:

     -DLLVM_ENABLE_PROJECTS="clang;compiler-rt"

I wish that was an automatic dependency brought by Clang.

Thank you very much!

On Sat, Aug 15, 2020 at 1:30 PM Brian Cain <brian.cain at gmail.com> wrote:

> The sanitizers are found in the compiler-rt project.
>
> On Sat, Aug 15, 2020, 1:17 PM Oleg Smolsky via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hi there! I've just tried ASan/MSan in my Clang 10.0.1 installation built
>> from the monorepo tarball this way:
>>
>> export CC=/opt/gcc-9/bin/gcc
>> export CXX=/opt/gcc-9/bin/g++
>> export LDFLAGS="-Wl,--rpath,/opt/gcc-9/lib64,-L/opt/gcc-9/lib64"
>>
>> cmake \
>>     -DLLVM_ENABLE_PROJECTS="clang" \
>>     -DCMAKE_BUILD_TYPE=Release \
>>     -DCMAKE_INSTALL_PREFIX:PATH=$destination \
>>     ../llvm
>> make
>>
>>
>> https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.1/llvm-project-10.0.1.tar.xz
>>
>> In that installation I am unable to use ASan/MSan as the corresponding
>> libs are missing. Here is what I get when linking a small executable:
>>
>> /usr/bin/ld: cannot find
>> /opt/llvm-10/lib/clang/10.0.1/lib/linux/libclang_rt.asan-x86_64.a: No such
>> file or directory
>> /usr/bin/ld: cannot find
>> /opt/llvm-10/lib/clang/10.0.1/lib/linux/libclang_rt.asan_cxx-x86_64.a: No
>> such file or directory
>>
>> The normal builds work well and executables do function.
>>
>> What am I missing? Do I have to enable an additional project for these
>> libs to get built/installed? (The environment is Ubuntu 16.04.2 x86-64,
>> LLVM is built using GCC-9)
>>
>> Thanks in advance,
>> Oleg.
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>
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