ncurses 6.2 - patch 20210807

[ncurses.git] / config.sub

diff --git a/config.sub b/config.sub
index 3eda71f232c18be5585794bd49efefc2d16dd74d..d80c5d759e48d7942ccbb665d8ae6d2c4dcaf397 100755 (executable)
--- 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+# superseded or lifted in POSIX.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