diff -r 333d3e40cbd1 -r 06938bc1c6e7 scripts/crosstool-NG.sh.in
--- a/scripts/crosstool-NG.sh.in	Tue Nov 20 16:59:17 2012 -0800
+++ b/scripts/crosstool-NG.sh.in	Thu Jan 10 22:38:48 2013 +0100
@@ -25,6 +25,14 @@
 . .config.2
 # Yes! We can do full logging from now on!
 
+# Check running as root
+if [ -z "${CT_ALLOW_BUILD_AS_ROOT_SURE}" ]; then
+    if [ $(id -u) -eq 1000 ]; then
+        CT_DoLog ERROR "You must NOT be root to run crosstool-NG"
+        exit 1
+    fi
+fi
+
 # If we want an interactive debug-shell, we must ensure these FDs
 # are indeed connected to a terminal (and not redirected in any way).
 if [ "${CT_DEBUG_INTERACTIVE}" = "y" -a ! \( -t 0 -a -t 6 -a -t 2 \) ]; then