--- f221ddf69080402a60ad612a4ce63f05be671a6e
+++ 0b66a0112e6e4ccb37449cef193ed34831697734
@@ -76,6 +76,20 @@ UTS_TRUNCATE="cut -b -$UTS_LEN"
   echo \#define LINUX_COMPILE_BY \"`echo $LINUX_COMPILE_BY | $UTS_TRUNCATE`\"
   echo \#define LINUX_COMPILE_HOST \"`echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE`\"
 
+  if [ -z "$KBUILD_BUILD_COMPILEDOMAIN" ]; then
+    domain=$KBUILD_BUILD_COMPILEDOMAIN
+  elif [ -x /bin/dnsdomainname ]; then
+    domain=`dnsdomainname 2> /dev/null`
+  elif [ -x /bin/domainname ]; then
+    domain=`domainname 2> /dev/null`
+  fi
+
+  if [ -n "$domain" ]; then
+    echo \#define LINUX_COMPILE_DOMAIN \"`echo $domain | $UTS_TRUNCATE`\"
+  else
+    echo \#define LINUX_COMPILE_DOMAIN
+  fi
+
   echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
 ) > .tmpcompile