Building on ARM processor

[abidmalikwaterloo]

I am building the library on ARM processors and getting following error:

[ 86%] Building CXX object runtime/src/CMakeFiles/omp.dir/kmp_ftn_cdecl.cpp.o
[ 88%] Building CXX object runtime/src/CMakeFiles/omp.dir/kmp_ftn_extra.cpp.o
[ 91%] Building CXX object runtime/src/CMakeFiles/omp.dir/kmp_version.cpp.o
[ 94%] Building CXX object runtime/src/CMakeFiles/omp.dir/ompt-general.cpp.o
[ 97%] Building C object runtime/src/CMakeFiles/omp.dir/z_Linux_asm.S.o
/gpfs/ookami/home/ammalik/OpenMP/TOTAL/openmp/runtime/src/z_Linux_asm.S:1420:18: error: expected '[su]xt[bhw]' with optional integer in range [0, 4]
 sub sp, sp, w9, lsl #4
                 ^
make[4]: *** [runtime/src/CMakeFiles/omp.dir/build.make:498: runtime/src/CMakeFiles/omp.dir/z_Linux_asm.S.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[4]: Leaving directory '/gpfs/ookami/home/ammalik/OpenMP/TOTAL/openmp/build'
make[3]: *** [CMakeFiles/Makefile2:272: runtime/src/CMakeFiles/omp.dir/all] Error 2
make[3]: Leaving directory '/gpfs/ookami/home/ammalik/OpenMP/TOTAL/openmp/build'
make[2]: *** [CMakeFiles/Makefile2:279: runtime/src/CMakeFiles/omp.dir/rule] Error 2
make[2]: Leaving directory '/gpfs/ookami/home/ammalik/OpenMP/TOTAL/openmp/build'
make[1]: *** [Makefile:235: omp] Error 2
make[1]: Leaving directory '/gpfs/ookami/home/ammalik/OpenMP/TOTAL/openmp/build'
make: *** [Makefile:41: task.deb] Error 2