X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=config.sub;h=d80c5d759e48d7942ccbb665d8ae6d2c4dcaf397;hp=3eda71f232c18be5585794bd49efefc2d16dd74d;hb=91d451ffc473b358d8d74506d2da8871e44fbd7b;hpb=f259fb41d8f08b7e042eb928b839b59c8e39098c;ds=sidebyside

diff --git a/config.sub b/config.sub
index 3eda71f2..d80c5d75 100755
--- a/config.sub
+++ b/config.sub
@@ -1,9 +1,10 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 2021 Thomas E. Dickey
 #   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2021-04-30'
+# shellcheck disable=SC2006,SC2268 # see below for rationale
+
+timestamp='2021-07-03'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -51,6 +52,13 @@ timestamp='2021-04-30'
 #	CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
 # It is wrong to echo any other type of specification.
 
+# The "shellcheck disable" line above the timestamp inhibits complaints
+# about features and limitations of the classic Bourne shell that were
+# superseded or lifted in POSIX.  However, this script identifies a wide
+# variety of pre-POSIX systems that do not have POSIX shells at all, and
+# even some reasonably current systems (Solaris 10 as case-in-point) still
+# have a pre-POSIX /bin/sh.
+
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
@@ -1166,7 +1174,7 @@ case $cpu-$vendor in
 			| alphapca5[67] | alpha64pca5[67] \
 			| am33_2.0 \
 			| amdgcn \
-			| arc | arceb | arc64 \
+			| arc | arceb | arc32 | arc64 \
 			| arm | arm[lb]e | arme[lb] | armv* \
 			| avr | avr32 \
 			| asmjs \
@@ -1293,15 +1301,15 @@ then
 case $basic_os in
 	gnu/linux*)
 		kernel=linux
-		os=`echo $basic_os | sed -e 's|gnu/linux|gnu|'`
+		os=`echo "$basic_os" | sed -e 's|gnu/linux|gnu|'`
 		;;
 	os2-emx)
 		kernel=os2
-		os=`echo $basic_os | sed -e 's|os2-emx|emx|'`
+		os=`echo "$basic_os" | sed -e 's|os2-emx|emx|'`
 		;;
 	nto-qnx*)
 		kernel=nto
-		os=`echo $basic_os | sed -e 's|nto-qnx|qnx|'`
+		os=`echo "$basic_os" | sed -e 's|nto-qnx|qnx|'`
 		;;
 	*-*)
 		# shellcheck disable=SC2162
@@ -1312,11 +1320,11 @@ EOF
 	# Default OS when just kernel was specified
 	nto*)
 		kernel=nto
-		os=`echo $basic_os | sed -e 's|nto|qnx|'`
+		os=`echo "$basic_os" | sed -e 's|nto|qnx|'`
 		;;
 	linux*)
 		kernel=linux
-		os=`echo $basic_os | sed -e 's|linux|gnu|'`
+		os=`echo "$basic_os" | sed -e 's|linux|gnu|'`
 		;;
 	*)
 		kernel=
@@ -1337,7 +1345,7 @@ case $os in
 		os=cnk
 		;;
 	solaris1 | solaris1.*)
-		os=`echo $os | sed -e 's|solaris1|sunos4|'`
+		os=`echo "$os" | sed -e 's|solaris1|sunos4|'`
 		;;
 	solaris)
 		os=solaris2
@@ -1366,7 +1374,7 @@ case $os in
 		os=sco3.2v4
 		;;
 	sco3.2.[4-9]*)
-		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+		os=`echo "$os" | sed -e 's/sco3.2./sco3.2v/'`
 		;;
 	sco*v* | scout)
 		# Don't match below
@@ -1442,7 +1450,7 @@ case $os in
 		;;
 	# Preserve the version number of sinix5.
 	sinix5.*)
-		os=`echo $os | sed -e 's|sinix|sysv|'`
+		os=`echo "$os" | sed -e 's|sinix|sysv|'`
 		;;
 	sinix*)
 		os=sysv4