#!/bin/sh

# Modified stock Slackware build script for grub
# to support splash image

PRGNAM=grub
VERSION=0.97
ARCH=${ARCH:-i486}
GCVER=1.28
BUILD=6a
CWD=`pwd`
TMP="/home/public/builds/slackware-packages/tmp"
PKG=$TMP/package-$PRGNAM
OUTPUT=$CWD

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

if [ ! -d $TMP ]; then
  mkdir -p $TMP
fi
rm -rf $PKG
mkdir -p $PKG
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xzvf $CWD/$PRGNAM-$VERSION.tar.gz || exit 1
cd $PRGNAM-$VERSION

# This is needed for the optional (but now default) increase in
# inode size from 128 to 256 bytes with ext2 and ext3:
zcat $CWD/grub_support_256byte_inode.patch.gz | patch -p1 --verbose || exit 1

# Add splashimage support to stage2:
zcat $CWD/01-cvs-sync.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/02-splashimage.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/03-xpmjunk.diff.gz | patch -p1 --verbose || exit 1

# Other grub patches
# zcat $CWD/04-hidden-menu-tweak.diff.gz | patch -p1 --verbose || exit 1
# zcat $CWD/05-set-root.diff.gz | patch -p1 --verbose || exit 1
# zcat $CWD/06-ntfs.diff.gz | patch -p1 --verbose || exit 1

chown -R root:root .
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;
find . -perm 666 -exec chmod 644 {} \;
find . -perm 664 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;

# Rebuild the config files on-the-fly.
# Do this or the stage2 file will not compile correctly.
# To ensure the stage2 file compiled correctly, after
# compiling run 'grep splash stage2' and verify
#  something is returned from the search. If the result
# is empty then the compile failed.
# ------------------------------------------------------
echo "Rebuilding/automaking the config files..."
echo
aclocal -I . 2> /dev/null 1> /dev/null
autoheader 2> /dev/null 1> /dev/null
automake -a --force --copy --foreign 2> /dev/null 1> /dev/null
autoconf 2> /dev/null
# ------------------------------------------------------

rm -rf autom4te.cache
rm -rf .deps
rm -f .deps
rm -f config.status
rm -f config.cache

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --infodir=/usr/info \
  --disable-auto-linux-mem-opt \
  --disable-minix \
  --disable-md5-password \
  --disable-hercules \
  --disable-serial \
  --disable-packet-retransmission \
  --enable-pci-direct \
#   --enable-preset-menu=preset_menu.lst \
  --mandir=/usr/man

make -j3 || exit 1
make install DESTDIR=$PKG || exit 1

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

# Compress info pages and purge "dir" file from the package:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS BUGS COPYING INSTALL MAINTENANCE NEWS README THANKS TODO \
  $PKG/usr/doc/$PRGNAM-$VERSION

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Add Kent's grubconfig tool:
cd $TMP
rm -rf grubconfig-$GCVER
tar xzf $CWD/grubconfig-${GCVER}.tar.gz
cd grubconfig-$GCVER
zcat $CWD/grubconfig_localefix.patch.gz | patch || exit 1
chown -R root:root .
chmod 644 README
chmod 755 grubconfig
mkdir -p $PKG/usr/doc/grubconfig-${GCVER}
cp -a README $PKG/usr/doc/grubconfig-${GCVER}
cp -a grubconfig $PKG/usr/sbin/grubconfig

cd $PKG
makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD.tgz

# cleanup
rm -fr $TMP/*