dnl
-dnl Copyright 2003 Free Software Foundation, Inc.
+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 2, or (at your option)
+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
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., 59 Temple Place - Suite 330,
-dnl Boston, MA 02111-1307, USA.
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
dnl
+AC_DEFUN([_TRY_ADD_ALTIVEC],
+[
+ LF_CHECK_CC_FLAG([-mabi=altivec -maltivec])
+ LF_CHECK_CXX_FLAG([-mabi=altivec -maltivec])
+])
+
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)],
+ AC_HELP_STRING([--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 ;;
-# sparc) MD_CPU=sparc ;;
- *) MD_CPU=generic ;;
+ 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_ARG_ENABLE(altivec,
+ AC_HELP_STRING([--enable-altivec],[enable altivec on PowerPC (yes)]),
+ [ if test $MD_CPU = powerpc; then
+ case "$enableval" in
+ (no) MD_CPU=generic ;;
+ (yes) _TRY_ADD_ALTIVEC ;;
+ (*) AC_MSG_ERROR([Invalid argument ($enableval) to --enable-altivec]) ;;
+ esac
+ fi],
+ [ if test $MD_CPU = powerpc; then _TRY_ADD_ALTIVEC fi])
+
+
+ AC_MSG_CHECKING([for machine dependent speedups])
AC_MSG_RESULT($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_generic, test $MD_CPU = generic)
+ AM_CONDITIONAL(MD_CPU_x86, test "$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")
])
-