https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67286
--- Comment #11 from weiguo.zhou <weiguo.zhou at spreadtrum dot com> --- you can got the dynamic libasan.so.2 with following step: ../gcc-4.9.2-sprd/libsanitizer/configure --host=arm-linux-androideabi --prefix=/tmp/toolchain-build-linux-4.9.2/prefix --enabl e-shared --disable-static