* config.sub: Complain if no argument is given. Added support for 386bsd as OS

and target alias.

ChangeLog

@@ -1,3 +1,8 @@
+Thu Oct  8 18:41:45 1992  Ken Raeburn  (raeburn@cygnus.com)
+
+	* config.sub: Complain if no argument is given.  Added support for
+	386bsd as OS and target alias.
+
 Thu Oct  8 15:07:22 1992  Ian Lance Taylor  (ian@cygnus.com)
 
 	* Makefile.in (XTRAFLAGS): include newlib directories if

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
 		;;