gr-air-modes/config/gr_set_md_cpu.m4
2010-09-14 22:01:56 -07:00

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dnl
dnl Copyright 2003,2008 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Radio
dnl
dnl GNU Radio is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3, or (at your option)
dnl any later version.
dnl
dnl GNU Radio is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with GNU Radio; see the file COPYING. If not, write to
dnl the Free Software Foundation, Inc., 51 Franklin Street,
dnl Boston, MA 02110-1301, USA.
dnl
AC_DEFUN([GR_SET_MD_CPU],[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_ARG_WITH(md-cpu,
[ --with-md-cpu=ARCH set machine dependent speedups (auto)],
[cf_with_md_cpu="$withval"],
[cf_with_md_cpu="$host_cpu"])
AC_MSG_CHECKING([for machine dependent speedups])
case "$cf_with_md_cpu" in
x86 | i[[3-7]]86) MD_CPU=x86 MD_SUBCPU=x86 ;;
x86_64) MD_CPU=x86 MD_SUBCPU=x86_64 ;;
powerpc*) MD_CPU=powerpc ;;
*) MD_CPU=generic ;;
esac
AC_MSG_RESULT($MD_CPU)
AC_SUBST(MD_CPU)
AC_SUBST(MD_SUBCPU)
AM_CONDITIONAL(MD_CPU_x86, test "$MD_CPU" = "x86")
AM_CONDITIONAL(MD_SUBCPU_x86_64, test "$MD_SUBCPU" = "x86_64")
AM_CONDITIONAL(MD_CPU_powerpc, test "$MD_CPU" = "powerpc")
AM_CONDITIONAL(MD_CPU_generic, test "$MD_CPU" = "generic")
])