kbuild: override build timestamp & version

# Do not expand names

set -f

# Fix the language to get consistent output

LC_ALL=C

export LC_ALL

if [ -z "$KBUILD_BUILD_VERSION" ]; then

	if [ -r .version ]; then

		VERSION=`cat .version`

	else

		VERSION=0

		echo 0 > .version

	fi

else

	VERSION=$KBUILD_BUILD_VERSION

fi

if [ -z "$KBUILD_BUILD_TIMESTAMP" ]; then

	TIMESTAMP=`date`

else

	TIMESTAMP=$KBUILD_BUILD_TIMESTAMP

fi

UTS_VERSION="#$VERSION"

CONFIG_FLAGS=""

if [ -n "$SMP" ] ; then CONFIG_FLAGS="SMP"; fi

if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT"; fi

UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS `LC_ALL=C LANG=C date`"

UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS $TIMESTAMP"

# Truncate to maximum length

  echo \#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\"

  echo \#define LINUX_COMPILE_TIME \"`LC_ALL=C LANG=C date +%T`\"

  echo \#define LINUX_COMPILE_TIME \"`date +%T`\"

  echo \#define LINUX_COMPILE_BY \"`whoami`\"

  echo \#define LINUX_COMPILE_HOST \"`hostname | $UTS_TRUNCATE`\"

    echo \#define LINUX_COMPILE_DOMAIN

  fi

  echo \#define LINUX_COMPILER \"`LC_ALL=C LANG=C $CC -v 2>&1 | tail -n 1`\"

  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"

) > .tmpcompile

# Only replace the real compile.h if the new one is different,