1 files changed, 16 insertions, 0 deletions
diff --git a/config.sub b/config.sub
index 8e7227a..7639514 100755
--- a/config.sub
+++ b/config.sub
@@ -35,6 +35,15 @@
 #	CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
 # it is wrong to echo any other type of specification
 
+if [ x$1 = x ]
+then
+	echo Configuration name missing. 1>&2
+	echo "Usage: $0 CPU-MFR-OPSYS" 1>&2
+	echo "or     $0 ALIAS" 1>&2
+	echo where ALIAS is a recognized configuration type. 1>&2
+	exit 1
+fi
+
 # First pass through any local machine types.
 case $1 in
 	*local*)
@@ -192,6 +201,10 @@ case $basic_machine in
 		basic_machine=i486-unknown
 		os=-sysv
 		;;
+	386bsd)
+		basic_machine=i386-unknown
+		os=-bsd
+		;;
 	spur)
 		basic_machine=spur-unknown
 		;;
@@ -618,6 +631,9 @@ case $os in
 	-aos*)
 		os=-bsd
 		;;
+	-386bsd)
+		os=-bsd
+		;;
 	-ctix* | -uts*)
 		os=-sysv
 		;;