#!/bin/bash
# Slackware build script for Oracle Berkeley DB 4.6

# Original Copyright 2008, 2009  Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# db-4.6 modifications of Slackware.com db4.4 script by John Clizbe
# John.Clizbe@gmail.com

PRGNAM=db46
VERSION=${VERSION:-4.6.21}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf db-$VERSION
tar xvf $CWD/db-$VERSION.tar.gz
cd db-$VERSION
chown -R root:root .
find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

# Official patches:
patch -p0 < $CWD/patches/patch.4.6.21.1
patch -p0 < $CWD/patches/patch.4.6.21.2
patch -p0 < $CWD/patches/patch.4.6.21.3
patch -p0 < $CWD/patches/patch.4.6.21.4

mkdir build-dir
cd build-dir
  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  ../dist/configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --enable-shared \
    --enable-rpc \
    --enable-cxx \
    --enable-compat185 \
   --build=$ARCH-slackware-linux
  make
  make install DESTDIR=$PKG
cd ..

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Remove WAY TOO LARGE (and misplaced) docs:
rm -rf $PKG/usr/docs
mkdir -p $PKG/usr/doc/db-$VERSION
cp -a \
  LICENSE README \
    $PKG/usr/doc/db-$VERSION
cat << EOF > $PKG/usr/doc/db-$VERSION/README-DOCS

  For a ton of additional documentation (too large to include
  here) on writing source code that uses libdb46, please see
  the source tarball db-$VERSION.tar.gz, which can be found
  on Oracle's Berkeley DB web site:
  http://www.oracle.com/technology/products/berkeley-db/db/index.html.

EOF

# Move include files:
( cd $PKG/usr/include
  mkdir db46
  mv *.h db46
  for file in db46/* ; do
    ln -sf $file .
  done
  # Better add this symlink, too, just to be safe...
  ln -sf db46 db4
)

# Put libdb-4.6.so into /lib${LIBDIRSUFFIX} since it might be needed
# before /usr is mounted (eg, nsswitch.conf can be set up to
# use databases instead of flat files)
mkdir -p $PKG/lib${LIBDIRSUFFIX}
mv $PKG/usr/lib${LIBDIRSUFFIX}/libdb-4.6.so $PKG/lib${LIBDIRSUFFIX}/libdb-4.6.so
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  ln -sf /lib${LIBDIRSUFFIX}/libdb-4.6.so .
)

# Some things might look for these libraries by other names.
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  ln -sf libdb-4.6.a libdb-4.a
  ln -sf libdb-4.6.a libdb4.a
  ln -sf libdb-4.6.a libdb.a
  ln -sf libdb_cxx-4.6.a libdb_cxx-4.a
  ln -sf libdb_cxx-4.6.a libdb_cxx.a
  ln -sf libdb-4.6.so libdb4.so
  ln -sf libdb-4.6.so libdb.so
)

chmod 755 $PKG/usr/bin/*

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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}