[yocto] gcc leak-sanitizer on arm target

[Khem Raj]

On Wed, Jan 31, 2018 at 7:06 AM, Pieter Cardoen
<pieter.cardoen at hotmail.com> wrote:
> Dear
>
> I am having trouble to enable leak sanitizer and thread sanitizer for my arm target. If I enable gcc-sanitizers, I only have these libraries on the target rootfs:
> * libasan.so.3
> * libasan.so.3.0.0
> * libsanitizer.spec
> * libubsan.so.0
> * libubsan.so.0.0.0
>
> liblsan.so.* and libtsan.so.* is missing.
>
> I took a look into the build directory:
> tmp/work/cortexa9hf-neon-poky-linux-gnueabi/gcc-sanitizers/6.2.0-r0/gcc-6.2.0/build.arm-poky-linux-gnueabi.arm-poky-linux-gnueabi/libsanitizer/
>
> in file asan/Makefile, I find "toolexeclib_LTLIBRARIES = libasan.la"
> while in file lsan/Makefiel, it is commented out: "#toolexeclib_LTLIBRARIES = liblsan.la"
>
> Is it possible to compile the leak and thread sanitizer library for arm?
>

it was only tested on x86  in past so its not included in other
arches. You can however try it out
by adding

IMAGE_INSTALL_append = " liblsan libtsan"

to local.conf and if it works report back and we might cook a final
patch to enable it unconditionally.

> Thanks
> Pieter
> --
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