1 files changed, 17 insertions, 20 deletions

diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index 23dbad80cce..6fdc97ef602 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -42,6 +42,16 @@ if [ -z "$KBUILD_BUILD_TIMESTAMP" ]; then
 else
 	TIMESTAMP=$KBUILD_BUILD_TIMESTAMP
 fi
+if test -z "$KBUILD_BUILD_USER"; then
+	LINUX_COMPILE_BY=$(whoami | sed 's/\\/\\\\/')
+else
+	LINUX_COMPILE_BY=$KBUILD_BUILD_USER
+fi
+if test -z "$KBUILD_BUILD_HOST"; then
+	LINUX_COMPILE_HOST=`hostname`
+else
+	LINUX_COMPILE_HOST=$KBUILD_BUILD_HOST
+fi
 
 UTS_VERSION="#$VERSION"
 CONFIG_FLAGS=""
@@ -58,28 +68,15 @@ UTS_TRUNCATE="cut -b -$UTS_LEN"
 
 ( echo /\* This file is auto generated, version $VERSION \*/
   if [ -n "$CONFIG_FLAGS" ] ; then echo "/* $CONFIG_FLAGS */"; fi
-  
+
   echo \#define UTS_MACHINE \"$ARCH\"
 
   echo \#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\"
 
-  echo \#define LINUX_COMPILE_TIME \"`date +%T`\"
-  echo \#define LINUX_COMPILE_BY \"`whoami`\"
-  echo \#define LINUX_COMPILE_HOST \"`hostname | $UTS_TRUNCATE`\"
-
-  if [ -x /bin/dnsdomainname ]; then
-    domain=`dnsdomainname 2> /dev/null`
-  elif [ -x /bin/domainname ]; then
-    domain=`domainname 2> /dev/null`
-  fi
-
-  if [ -n "$domain" ]; then
-    echo \#define LINUX_COMPILE_DOMAIN \"`echo $domain | $UTS_TRUNCATE`\"
-  else
-    echo \#define LINUX_COMPILE_DOMAIN
-  fi
+  echo \#define LINUX_COMPILE_BY \"`echo $LINUX_COMPILE_BY | $UTS_TRUNCATE`\"
+  echo \#define LINUX_COMPILE_HOST \"`echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE`\"
 
-  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
+  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | grep ' version '`\"
 ) > .tmpcompile
 
 # Only replace the real compile.h if the new one is different,
@@ -87,13 +84,13 @@ UTS_TRUNCATE="cut -b -$UTS_LEN"
 # recompilations.
 # We don't consider the file changed if only the date/time changed.
 # A kernel config change will increase the generation number, thus
-# causing compile.h to be updated (including date/time) due to the 
+# causing compile.h to be updated (including date/time) due to the
 # changed comment in the
 # first line.
 
 if [ -r $TARGET ] && \
-      grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' $TARGET > .tmpver.1 && \
-      grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' .tmpcompile > .tmpver.2 && \
+      grep -v 'UTS_VERSION' $TARGET > .tmpver.1 && \
+      grep -v 'UTS_VERSION' .tmpcompile > .tmpver.2 && \
       cmp -s .tmpver.1 .tmpver.2; then
    rm -f .tmpcompile
 else