rename the source directory for gopack from ar to gopack.

remove the references to 6ar

R=rsc
DELTA=3547  (1770 added, 1775 deleted, 2 changed)
OCL=35669
CL=35671

src/cmd/clean.bash

@@ -3,7 +3,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-for i in cc 6l 6a 6c 8l 8a 8c 8g 5l 5a 5c 5g gc 6g ar db nm acid cgo cov ebnflint godefs godoc gofmt prof gotest
+for i in cc 6l 6a 6c 8l 8a 8c 8g 5l 5a 5c 5g gc 6g gopack db nm acid cgo cov ebnflint godefs godoc gofmt prof gotest
 do
 	cd $i
 	make clean

src/cmd/ar/Makefile → src/cmd/gopack/Makefile

@@ -4,10 +4,6 @@
 
 include ../../Make.conf
 
-# The directory is ar because the source is portable and general.
-# We call the binary 6ar to avoid confusion and because this binary
-# is linked only with amd64 and x86 support.
-
 TARG=gopack
 OFILES=\
 	ar.$O\

src/cmd/make.bash

@@ -18,7 +18,7 @@ bash mkenam
 make enam.o
 cd ..
 
-for i in cc ${O}l ${O}a ${O}c gc ${O}g ar db nm acid cov godefs prof gotest
+for i in cc ${O}l ${O}a ${O}c gc ${O}g gopack db nm acid cov godefs prof gotest
 do
 	echo; echo; echo %%%% making $i %%%%; echo
 	cd $i