configure: Report unknown target names more helpfully
If the user specifies a target list themselves, check each entry
to make sure it's a target we recognise. This allows us to print
a helpful error message, rather than falling through (where we
would probably eventually end up hitting the uninformative
"ERROR: Unsupported target CPU").
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1369062976-301-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/configure b/configure
index 9fe7053..70c41b0 100755
--- a/configure
+++ b/configure
@@ -1343,6 +1343,19 @@
else
target_list=`echo "$target_list" | sed -e 's/,/ /g'`
fi
+
+# Check that we recognised the target name; this allows a more
+# friendly error message than if we let it fall through.
+for target in $target_list; do
+ case " $default_target_list " in
+ *" $target "*)
+ ;;
+ *)
+ error_exit "Unknown target name '$target'"
+ ;;
+ esac
+done
+
# see if system emulation was really requested
case " $target_list " in
*"-softmmu "*) softmmu=yes