Test for Altivec C extensions.

93d7b1f0 · Christophe Massiot · f9411cc4 · 93d7b1f0 · 93d7b1f0 · 93d7b1f0
Commit 93d7b1f0 authored Sep 28, 2001 by Christophe Massiot
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Showing with 113 additions and 65 deletions

configure configure +100 -65

configure.in configure.in +10 -0

include/defs.h.in include/defs.h.in +3 -0

No files found.
--- a/configure
+++ b/configure
@@ -3710,6 +3710,41 @@ if test x"$ac_cv_altivec_inline" != x"no"; then
  ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
 fi

+echo $ac_n "checking if \$CC groks Altivec C extensions""... $ac_c" 1>&6
+echo "configure:3715: checking if \$CC groks Altivec C extensions" >&5
+if eval "test \"`echo '$''{'ac_cv_c_altivec'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  save_CFLAGS=$CFLAGS; CFLAGS="$CFLAGS -faltivec"
+     cat > conftest.$ac_ext <<EOF
+#line 3721 "configure"
+#include "confdefs.h"
+void quux(){vec_mtvscr((vector unsigned int)(0));}
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:3728: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_c_altivec=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_c_altivec=no
+fi
+rm -f conftest*
+     CFLAGS=$save_CFLAGS
+fi
+
+echo "$ac_t""$ac_cv_c_altivec" 1>&6
+if test x"$ac_cv_c_altivec" != x"no"; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_C_ALTIVEC 1
+EOF
+
+fi
+

 CAN_BUILD_LIBDVDCSS=0

@@ -3717,17 +3752,17 @@ for ac_hdr in winioctl.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3721: checking for $ac_hdr" >&5
+echo "configure:3756: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 3726 "configure"
+#line 3761 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3731: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3766: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -3760,17 +3795,17 @@ for ac_hdr in sys/ioctl.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3764: checking for $ac_hdr" >&5
+echo "configure:3799: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 3769 "configure"
+#line 3804 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3774: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3809: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -3796,17 +3831,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3800: checking for $ac_hdr" >&5
+echo "configure:3835: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 3805 "configure"
+#line 3840 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3810: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3845: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -3835,7 +3870,7 @@ done
  BSD_DVD_STRUCT=0
  LINUX_DVD_STRUCT=0
        cat > conftest.$ac_ext <<EOF
-#line 3839 "configure"
+#line 3874 "configure"
 #include "confdefs.h"
 #include <sys/dvdio.h>
 EOF
@@ -3853,7 +3888,7 @@ fi
 rm -f conftest*

        cat > conftest.$ac_ext <<EOF
-#line 3857 "configure"
+#line 3892 "configure"
 #include "confdefs.h"
 #include <sys/cdio.h>
 EOF
@@ -3871,7 +3906,7 @@ fi
 rm -f conftest*

        cat > conftest.$ac_ext <<EOF
-#line 3875 "configure"
+#line 3910 "configure"
 #include "confdefs.h"
 #include <linux/cdrom.h>
 EOF
@@ -3890,7 +3925,7 @@ rm -f conftest*

        NEED_BSDI_LIBDVD=0
  cat > conftest.$ac_ext <<EOF
-#line 3894 "configure"
+#line 3929 "configure"
 #include "confdefs.h"
 #include <dvd.h>
 EOF
@@ -3912,17 +3947,17 @@ else
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3916: checking for $ac_hdr" >&5
+echo "configure:3951: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 3921 "configure"
+#line 3956 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3926: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3961: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -3962,17 +3997,17 @@ rm -f conftest*

        ac_safe=`echo "sys/scsi/scsi_types.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/scsi/scsi_types.h""... $ac_c" 1>&6
-echo "configure:3966: checking for sys/scsi/scsi_types.h" >&5
+echo "configure:4001: checking for sys/scsi/scsi_types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 3971 "configure"
+#line 4006 "configure"
 #include "confdefs.h"
 #include <sys/scsi/scsi_types.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3976: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4011: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -3991,17 +4026,17 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  
    ac_safe=`echo "sys/scsi/impl/uscsi.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/scsi/impl/uscsi.h""... $ac_c" 1>&6
-echo "configure:3995: checking for sys/scsi/impl/uscsi.h" >&5
+echo "configure:4030: checking for sys/scsi/impl/uscsi.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4000 "configure"
+#line 4035 "configure"
 #include "confdefs.h"
 #include <sys/scsi/impl/uscsi.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4005: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4040: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -4155,7 +4190,7 @@ if test "${enable_pth+set}" = set; then
  enableval="$enable_pth"
   if test x$enableval = xyes; then
    echo $ac_n "checking for pth_init in -lpth""... $ac_c" 1>&6
-echo "configure:4159: checking for pth_init in -lpth" >&5
+echo "configure:4194: checking for pth_init in -lpth" >&5
 ac_lib_var=`echo pth'_'pth_init | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
@@ -4163,7 +4198,7 @@ else
  ac_save_LIBS="$LIBS"
 LIBS="-lpth  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4167 "configure"
+#line 4202 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4174,7 +4209,7 @@ int main() {
 pth_init()
 ; return 0; }
 EOF
-if { (eval echo configure:4178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4213: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4202,7 +4237,7 @@ else
 fi

    cat > conftest.$ac_ext <<EOF
-#line 4206 "configure"
+#line 4241 "configure"
 #include "confdefs.h"
 #include <pth.h>
 EOF
@@ -4366,7 +4401,7 @@ if test "${enable_esd+set}" = set; then
     # Extract the first word of "esd-config", so it can be a program name with args.
 set dummy esd-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4370: checking for $ac_word" >&5
+echo "configure:4405: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_ESD_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4433,17 +4468,17 @@ else
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4437: checking for $ac_hdr" >&5
+echo "configure:4472: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4442 "configure"
+#line 4477 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4447: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4482: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -4488,17 +4523,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4492: checking for $ac_hdr" >&5
+echo "configure:4527: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4497 "configure"
+#line 4532 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4502: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4537: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -4576,7 +4611,7 @@ fi
  # Extract the first word of "sdl12-config", so it can be a program name with args.
 set dummy sdl12-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4580: checking for $ac_word" >&5
+echo "configure:4615: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SDL12_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4616,7 +4651,7 @@ fi
    # Extract the first word of "sdl11-config", so it can be a program name with args.
 set dummy sdl11-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4620: checking for $ac_word" >&5
+echo "configure:4655: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SDL11_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4657,7 +4692,7 @@ fi
    # Extract the first word of "sdl-config", so it can be a program name with args.
 set dummy sdl-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4661: checking for $ac_word" >&5
+echo "configure:4696: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SDL_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4703,17 +4738,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4707: checking for $ac_hdr" >&5
+echo "configure:4742: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4712 "configure"
+#line 4747 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4717: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4752: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -4776,17 +4811,17 @@ if test "${with_directx+set}" = set; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4780: checking for $ac_hdr" >&5
+echo "configure:4815: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4785 "configure"
+#line 4820 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4790: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4825: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -4825,17 +4860,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4829: checking for $ac_hdr" >&5
+echo "configure:4864: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4834 "configure"
+#line 4869 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4839: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4874: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -4932,7 +4967,7 @@ if test "${enable_gnome+set}" = set; then
    # Extract the first word of "gnome-config", so it can be a program name with args.
 set dummy gnome-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4936: checking for $ac_word" >&5
+echo "configure:4971: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_GNOME_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4977,17 +5012,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4981: checking for $ac_hdr" >&5
+echo "configure:5016: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 4986 "configure"
+#line 5021 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4991: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5026: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -5037,7 +5072,7 @@ then
  # Extract the first word of "gtk-config", so it can be a program name with args.
 set dummy gtk-config; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5041: checking for $ac_word" >&5
+echo "configure:5076: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_GTK_CONFIG'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5082,17 +5117,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5086: checking for $ac_hdr" >&5
+echo "configure:5121: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 5091 "configure"
+#line 5126 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5096: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5131: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -5143,17 +5178,17 @@ if test x$enable_x11 != xno; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5147: checking for $ac_hdr" >&5
+echo "configure:5182: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 5152 "configure"
+#line 5187 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5157: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5192: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -5205,17 +5240,17 @@ if test x$enable_xvideo != xno; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5209: checking for $ac_hdr" >&5
+echo "configure:5244: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 5214 "configure"
+#line 5249 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5219: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5254: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -5255,17 +5290,17 @@ if test "${enable_alsa+set}" = set; then
   then
     ac_safe=`echo "sys/asoundlib.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/asoundlib.h""... $ac_c" 1>&6
-echo "configure:5259: checking for sys/asoundlib.h" >&5
+echo "configure:5294: checking for sys/asoundlib.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
 else
  cat > conftest.$ac_ext <<EOF
-#line 5264 "configure"
+#line 5299 "configure"
 #include "confdefs.h"
 #include <sys/asoundlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5269: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5304: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
  rm -rf conftest*
@@ -5282,7 +5317,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  echo $ac_n "checking for main in -lasound""... $ac_c" 1>&6
-echo "configure:5286: checking for main in -lasound" >&5
+echo "configure:5321: checking for main in -lasound" >&5
 ac_lib_var=`echo asound'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
@@ -5290,14 +5325,14 @@ else
  ac_save_LIBS="$LIBS"
 LIBS="-lasound  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5294 "configure"
+#line 5329 "configure"
 #include "confdefs.h"

 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5301: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
 else

--- a/configure.in
+++ b/configure.in
@@ -259,6 +259,16 @@ if test x"$ac_cv_altivec_inline" != x"no"; then
  ACCEL_MODULES="${ACCEL_MODULES} ${ALTIVEC_MODULES}"
 fi

+AC_CACHE_CHECK([if \$CC groks Altivec C extensions],
+    [ac_cv_c_altivec],
+    [save_CFLAGS=$CFLAGS; CFLAGS="$CFLAGS -faltivec"
+     AC_TRY_COMPILE([void quux(){vec_mtvscr((vector unsigned int)(0));}],,
+        ac_cv_c_altivec=yes, ac_cv_c_altivec=no)
+     CFLAGS=$save_CFLAGS])
+if test x"$ac_cv_c_altivec" != x"no"; then
+  AC_DEFINE(HAVE_C_ALTIVEC, 1, Define if your compiler groks C altivec extensions.)
+fi
+
 dnl
 dnl  libdvdcss: check for DVD ioctls
 dnl

--- a/include/defs.h.in
+++ b/include/defs.h.in
@@ -196,6 +196,9 @@
 /* Maximum supported data alignment */
 #undef ATTRIBUTE_ALIGNED_MAX

+/* Define if your compiler groks C altivec extensions. */
+#undef HAVE_C_ALTIVEC
+
 /* Define if <sys/dvdio.h> defines dvd_struct. */
 #undef DVD_STRUCT_IN_SYS_DVDIO_H