autoconf'ed version of patch-aa (make --with-oss-dsp still check to see
that the header files exist).

--- configure.old	Sat Jul 24 22:15:19 1999
+++ configure	Sat Jul 24 22:15:23 1999
@@ -1549,23 +1549,24 @@
 fi
 
 echo "$ac_t""$ac_cv_dev_oss_dsp" 1>&6
-	if test "$ac_cv_dev_oss_dsp" = yes
-	then
-		for ac_hdr in sys/soundcard.h machine/soundcard.h
+fi
+if test "$ac_cv_dev_oss_dsp" = yes -o "$oss_dsp" = yes
+then
+	for ac_hdr in sys/soundcard.h machine/soundcard.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1559: checking for $ac_hdr" >&5
+echo "configure:1560: 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 1564 "configure"
+#line 1565 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1569: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1570: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1588,13 +1589,13 @@
  oss_dsp=yes
 else
   echo "$ac_t""no" 1>&6
+oss_dsp=no
 fi
 done
 
-		if test "$oss_dsp" = auto
-		then
-			echo "configure: warning: No soundcard.h to compile with OSS /dev/dsp" 1>&2
-		fi
+	if test "$oss_dsp" = no
+	then
+		echo "configure: warning: No soundcard.h to compile with OSS /dev/dsp" 1>&2
 	fi
 fi
 if test "$oss_dsp" = yes
@@ -1607,7 +1608,7 @@
 if test "$sun_audio" = auto
 then
 	echo $ac_n "checking whether /dev/audio is functional (SUN style)""... $ac_c" 1>&6
-echo "configure:1611: checking whether /dev/audio is functional (SUN style)" >&5
+echo "configure:1612: checking whether /dev/audio is functional (SUN style)" >&5
 if eval "test \"`echo '$''{'ac_cv_dev_sun_audio'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1615,7 +1616,7 @@
   ac_cv_dev_sun_audio=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 1619 "configure"
+#line 1620 "configure"
 #include "confdefs.h"
 
 			int
@@ -1631,7 +1632,7 @@
 				}
 			
 EOF
-if { (eval echo configure:1635: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1636: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_dev_sun_audio=yes
 else
@@ -1651,17 +1652,17 @@
 	then
 		ac_safe=`echo "sys/audioio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/audioio.h""... $ac_c" 1>&6
-echo "configure:1655: checking for sys/audioio.h" >&5
+echo "configure:1656: checking for sys/audioio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1660 "configure"
+#line 1661 "configure"
 #include "confdefs.h"
 #include <sys/audioio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1665: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1666: \"$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*
@@ -1684,17 +1685,17 @@
 
 		ac_safe=`echo "sun/audioio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sun/audioio.h""... $ac_c" 1>&6
-echo "configure:1688: checking for sun/audioio.h" >&5
+echo "configure:1689: checking for sun/audioio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1693 "configure"
+#line 1694 "configure"
 #include "confdefs.h"
 #include <sun/audioio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1698: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1699: \"$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*