Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

TARGET=$1

ARCH=$2

SMP=$3

PREEMPT=$4

CC=$5

# If compile.h exists already and we don't own autoconf.h

# (i.e. we're not the same user who did make *config), don't

# modify compile.h

# So "sudo make install" won't change the "compiled by "

# do "compiled by root"

if [ -r $TARGET -a ! -O include/linux/autoconf.h ]; then

  echo "  SKIPPED $TARGET"

  exit 0

fi

# 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 $TIMESTAMP"

# Truncate to maximum length

UTS_LEN=64

UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"

# Generate a temporary compile.h

( 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

    echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname | $UTS_TRUNCATE`\"

  elif [ -x /bin/domainname ]; then

    echo \#define LINUX_COMPILE_DOMAIN \"`domainname | $UTS_TRUNCATE`\"

  else

    echo \#define LINUX_COMPILE_DOMAIN

  fi

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

) > .tmpcompile

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

# in order to preserve the timestamp and avoid unnecessary

# 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

# 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 && \

      cmp -s .tmpver.1 .tmpver.2; then

   rm -f .tmpcompile

else

   echo "  UPD     $TARGET"

   mv -f .tmpcompile $TARGET

fi

rm -f .tmpver.1 .tmpver.2