--- a/src/Pure/build Wed Jan 06 10:08:09 2016 +0100
+++ b/src/Pure/build Wed Jan 06 10:20:33 2016 +0100
@@ -49,8 +49,8 @@
[ -z "$ML_SYSTEM" ] && fail "Missing ML_SYSTEM settings!"
COMPAT=""
-[ -f "RAW/${ML_SYSTEM_BASE}.ML" ] && COMPAT="RAW/${ML_SYSTEM_BASE}.ML"
-[ -f "RAW/${ML_SYSTEM}.ML" ] && COMPAT="RAW/${ML_SYSTEM}.ML"
+[ -f "RAW/ROOT_${ML_SYSTEM_BASE}.ML" ] && COMPAT="RAW/ROOT_${ML_SYSTEM_BASE}.ML"
+[ -f "RAW/ROOT_${ML_SYSTEM}.ML" ] && COMPAT="RAW/ROOT_${ML_SYSTEM}.ML"
[ -z "$COMPAT" ] && fail "Missing compatibility file for ML system \"$ML_SYSTEM\"!"