scripts/bootstrap-prefix: use isainfo to pick up current arch

uname -p on Solaris will return historical values, so use isainfo to get
the currently targetted architecture

Signed-off-by: Fabian Groffen <[email protected]>

Author: grobian

scripts/bootstrap-prefix.sh

@@ -3409,10 +3409,16 @@ if [[ -z ${CHOST} ]]; then
 				fi
 				;;
 			SunOS)
-				case $(uname -p) in
+				case $(isainfo -n) in
+					amd64)
+						CHOST="x86_64-pc-solaris$(uname -r | sed 's|5|2|')"
+					;;
 					i386)
 						CHOST="i386-pc-solaris$(uname -r | sed 's|5|2|')"
 					;;
+					sparcv9)
+						CHOST="sparcv9-sun-solaris$(uname -r | sed 's|5|2|')"
+					;;
 					sparc)
 						CHOST="sparc-sun-solaris$(uname -r | sed 's|5|2|')"
 					;;