diff --git a/config.guess b/config.guess
index d51f050..ba627c8 100755
--- a/config.guess
+++ b/config.guess
@@ -202,10 +202,10 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 	#
 	# Note: NetBSD doesn't particularly care about the vendor
 	# portion of the name.  We always set it to "unknown".
-	UNAME_MACHINE_ARCH=$( (uname -p 2>/dev/null || \
+	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
 	    /sbin/sysctl -n hw.machine_arch 2>/dev/null || \
 	    /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \
-	    echo unknown))
+	    echo unknown)`
 	case $UNAME_MACHINE_ARCH in
 	    aarch64eb) machine=aarch64_be-unknown ;;
 	    armeb) machine=armeb-unknown ;;
@@ -398,11 +398,10 @@ case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in
 	;;
     Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
 	# akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
-	if test "`(/bin/universe) 2>/dev/null`" = att ; then
-		GUESS=pyramid-pyramid-sysv3
-	else
-		GUESS=pyramid-pyramid-bsd
-	fi
+	case `(/bin/universe) 2>/dev/null` in
+	    att) GUESS=pyramid-pyramid-sysv3 ;;
+	    *)   GUESS=pyramid-pyramid-bsd   ;;
+	esac
 	;;
     NILE*:*:*:dcosx)
 	GUESS=pyramid-pyramid-svr4
@@ -657,8 +656,8 @@ EOF
 		IBM_ARCH=powerpc
 	fi
 	if test -x /usr/bin/lslpp ; then
-		IBM_REV=$(/usr/bin/lslpp -Lqc bos.rte.libc |
-			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/)
+		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \
+			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
 	else
 		IBM_REV=$UNAME_VERSION.$UNAME_RELEASE
 	fi