better sanity checking in "build"

bk: 4a6bc130n98R27hrDmUeuaIKcc8YrQ

diff --git a/build b/build
index aa923309e1cb02a522571bf7f832b6a52d646d06..c3351cb6856394cc1cc76eb0a7afc6dbff479711 100755 (executable)
--- a/build
+++ b/build
@@ -32,6 +32,9 @@ esac
 
 CVO=`./scripts/cvo.sh @cvo@`
 case "$CVO" in
+ *-*-*-*) echo "config.guess returned <$CVO>, which makes no sense to me."
+    exit 1
+    ;;
  *-*-*) ;;
  *) echo "config.guess returned <$CVO>, which makes no sense to me."
     exit 1