diff --git a/first/get_makepars b/first/get_makepars
index 980560f7f..d28960ab9 100755
--- a/first/get_makepars
+++ b/first/get_makepars
@@ -72,8 +72,8 @@ EOF
 	fi
 	cat $FDIR/util_comp >> make_macros
 else
-	case $knowtarget in
-	1)	sed -e "s/^COPTIONS.*\$/COPTIONS=-O -D_EM_WSIZE=$WS -D_EM_PSIZE=$PS/" -e "/cc-and-mkdep.ack/s/^..//" -e "s/^CC=cc/CC=acc -m$ACM" -e "s/^# AR=aal/AR=aal/" -e "s/^# RANLIB=:/RANLIB=:/" < $FDIR/target_comp >> make_macros
+	case $know_target in
+	1)	sed -e "s/^COPTIONS.*\$/COPTIONS=-O -D_EM_WSIZE=$WS -D_EM_PSIZE=$PS/" -e "/cc-and-mkdep.ack/s/^..//" -e "s/^CC=cc/CC=acc -m$ACM/" -e "s/^# AR=aal/AR=aal/" -e "s/^# RANLIB=:/RANLIB=:/" < $FDIR/target_comp >> make_macros
 		;;
 	*)	sed "s/^COPTIONS.*\$/COPTIONS=-O -D_EM_WSIZE=$WS -D_EM_PSIZE=$PS/" < $FDIR/target_comp >> make_macros
 		;;
@@ -86,7 +86,7 @@ cat $FDIR/lint_params >> make_macros
 echo "A file called 'make_macros' has been created. This file defines some
 'make' variables that parameterize all Makefiles in ACK. You may want
 to check it before attempting to actually install ACK."
-case $knowtarget in
+case $know_target in
 0)	echo "In fact, this installation script does not know much about
 your target machine, so expect some things to be wrong"
 	;;
diff --git a/first/limit_impl b/first/limit_impl
index a28a0691a..a3184e28b 100755
--- a/first/limit_impl
+++ b/first/limit_impl
@@ -144,7 +144,7 @@ q
 EOF
 fi
 
-if [ DO_MACHINE_INDEP = n ]
+if [ $DO_MACHINE_INDEP = n ]
 then
 	for i in $CONFIG/mach/*/Action
 	do
diff --git a/first/mk_config b/first/mk_config
index 18146cc5c..1049513e3 100755
--- a/first/mk_config
+++ b/first/mk_config
@@ -17,7 +17,7 @@ cd $CONFIG
 for i in mach/*/libsys
 do
 	rm -rf $i
-fi
+done
 
 for i in `cat dir_list`
 do