diff --git a/configure.ac b/configure.ac index 74b6073381..106db424a9 100644 --- a/configure.ac +++ b/configure.ac @@ -550,13 +550,17 @@ AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc+crypto],[[ARM_CRC_CXXFLAGS="-march=arm TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $ARM_CRC_CXXFLAGS" -AC_MSG_CHECKING(for ARM CRC32 intrinsics) +AC_MSG_CHECKING(for AArch64 CRC32 intrinsics) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]],[[ +#ifdef __aarch64__ __crc32cb(0, 0); __crc32ch(0, 0); __crc32cw(0, 0); __crc32cd(0, 0); vmull_p64(0, 0); +#else +#error "crc32c library does not support hardware acceleration on 32-bit ARM" +#endif ]])], [ AC_MSG_RESULT(yes); enable_arm_crc=yes; ], [ AC_MSG_RESULT(no)]