-AC_MSG_CHECKING([host system alignment requirements])
-AS_CASE([$host_cpu],
- [i[[3456]]86], [],
- [x86_64], [],
- [amd64], [],
- [powerpc], [],
- [ppc64], [],
- [ppc64le], [],
- [powerpc64], [],
- [powerpc64le], [],
- [s390], [NO_UNALIGNED_ACCESS=1],
- [s390x], [NO_UNALIGNED_ACCESS=1],
- [arm*], [NO_UNALIGNED_ACCESS=1],
- [aarch64*], [NO_UNALIGNED_ACCESS=1],
- [mips*], [NO_UNALIGNED_ACCESS=1],
- [tile*], [NO_UNALIGNED_ACCESS=1],
- [
- UNSUPPORTED_ARCH=1
- NO_UNALIGNED_ACCESS=1
- ])
-AC_MSG_RESULT([$host_cpu])
-