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

[Brian Cain via llvm-dev]

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.
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