#!/bin/bash

# db42.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <stuart@armedslack.org>

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PACKAGE
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PACKAGE
export PKG=$TMP/package-$PACKAGE
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $PORTARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv3 -mtune=xscale" ;;
   powerpc) export SLKCFLAGS="-O2" ;;
   sparc)   export SLKCFLAGS="-O2" ;;
   hppa)    export SLKCFLAGS="-O2" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar jxvvf $CWD/db-$VERSION.tar.bz2
cd db-$VERSION
slackhousekeeping

# Apply patches:
zcat $CWD/patch.4.2.52.1.gz | patch -p0 --verbose || failpatch
zcat $CWD/patch.4.2.52.2.gz | patch -p0 --verbose || failpatch
zcat $CWD/patch.4.2.52.3.gz | patch -p0 --verbose || failpatch
zcat $CWD/patch.4.2.52.4.gz | patch -p0 --verbose || failpatch

# Configure:
rm -rf build-dir
mkdir build-dir
cd build-dir
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
../dist/configure \
   --prefix=/usr \
   --enable-shared \
   --enable-rpc \
   --enable-compat185 \
   $ARCH-slackware-linux || failconfig

# Build:
make || failmake

# Install into package:
make install DESTDIR=$PKG

# 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 libdb42, please see
  the source tarball db-$VERSION.tar.bz2, which can be found
  in the Slackware source tree in source/l/db42/, or on
  Sleepycat's web site:  http://www.sleepycat.com.

EOF

# Put libdb-4.2.so into /lib since it might be needed
# before /usr is mounted.
mkdir -p $PKG/lib
mv $PKG/usr/lib/libdb-4.2.so $PKG/lib/libdb-4.2.so
( cd $PKG/usr/lib
  ln -sf /lib/libdb-4.2.so . )

( cd $PKG/usr/include
  chmod 644 *
  mkdir db42
  mv db.h db_185.h db_cxx.h db42
  # Not any more... db-4.2 is on the way out.
  #ln -sf db42/db.h .
  #ln -sf db42/db_185.h .
  #ln -sf db42/db_cxx.h .
)

chmod 755 $PKG/usr/bin/*

( cd $PKG/usr/bin
  mv berkeley_db_svc berkeley_db42_svc
  for file in db_* ; do
    mv $file db42_`echo $file | cut -f 2- -d _`
  done )

# Not the default DB version:
rm -f $PKG/usr/include/{db.h,db_185.h,db_cxx.h}
rm -f $PKG/usr/lib/libdb-4.so
rm -f $PKG/usr/lib/libdb.{a,so}
# We will not be linking statically against this, either.
# If you need to do that, drag up an old package from the Slackware 10.2 era...
rm -f $PKG/usr/lib/*.a

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown (root:bin), slack644docs
slackdesc       # install slack-desc and doinst.sh

# Build the package:
if [ $PORTARCH = arm ]; then
   slackmp # run makepkg
  else
   makepkg -l y -c n $PKGSTORE/$PKGSERIES/$PACKAGE-$VERSION-$ARCH-$BUILD.tgz
fi

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links