cannot find -lm_hard

[gavin-pu]

/tmp/my-android-toolchain/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lm_hard clang50++: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [align-equal] Error 1 make[2]: *** Waiting for unfinished jobs.... arm-linux-androideabi-clang++ -std=c++11 -I.. -I/opt/kaldi/tools/openfst/include -Wno-sign-compare -Wall -Wno-sign-compare -Wno-unused-local-typedefs -Wno-deprecated-declarations -Winit-self -Wno-mismatched-tags -DKALDI_DOUBLEPRECISION=0 -DHAVE_CXXABI_H -DHAVE_OPENBLAS -DANDROID_BUILD -I/opt/OpenBLAS/install/include -I/tmp/my-android-toolchain/sysroot/usr/include -ftree-vectorize -mfloat-abi=hard -mfpu=neon -mhard-float -D_NDK_MATH_NO_SOFTFP=1 -pthread -O3 -DNDEBUG -c -o gmm-global-est-lvtln-trans.o gmm-global-est-lvtln-trans.cc In file included from gmm-global-est-lvtln-trans.cc:27:

/tmp/my-android-toolchain/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lm_hard /tmp/my-android-toolchain/bin/../lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lm_hard