[llvm-dev] why there is no libclang_rt.asan-x86_64-android.so

[Evgenii Stepanov via llvm-dev]

Compiler-rt libraries for android are not built automatically because
they need a target toolchain and a sysroot.
The usual approach is
1. Build standalone ndk toolchain
2. Configure a build tree for compiler-rt with freshly built clang as
the compiler, -B and --sysroot in CMAKE_C_FLAGS and CMAKE_CXX_FLAGS
pointing to the ndk toolchain. Optionally,
-DCOMPILER_RT_OUTPUT_DIR=$LLVMBIN/../lib/clang/5.0.0 would put the new
library directly where clang can find it.
3. ninja asan in the compiler-rt tree

Having said that, this configuration (x86_64 android) is completely
untested, but I've just checked that it at least builds.


On Tue, Mar 21, 2017 at 1:21 PM, Kostya Serebryany <kcc at google.com> wrote:
> +eugenis@
>
> On Tue, Mar 21, 2017 at 1:48 AM, Ji, Zhenlong Z via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
>>
>> Hi all,
>>
>>                 I want to do fuzzing test on Intel x86_64 platform,
>> however I cannot find the shared library for
>> libclang_rt.asan-x86_64-android.so, can anyone tell me where I can find this
>> library?
>>
>>
>>
>> Best Regards
>>
>>
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>