# crc.m4 # serial 4 dnl Copyright (C) 2024-2025 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl This file is offered as-is, without any warranty. # For use by maintainer's after gl_EARLY in configure.ac. AC_DEFUN([gl_DISABLE_CRC_SLICE_BY_8], [ gl_crc_slice_by_8=no ]) AC_DEFUN([gl_CRC_SLICE_BY_8], [ AC_MSG_CHECKING([whether to enable CRC slice-by-8 algorithm]) if test x"$gl_crc_slice_by_8" != x"no"; then AC_MSG_RESULT([yes]) AC_DEFINE([GL_CRC_SLICE_BY_8], [1], [Define to get faster but larger CRC32 operation.]) else AC_MSG_RESULT([no]) fi ])