#!/bin/sh
# Build RPM (of all things) for Slackware.
#
# Actualy, I'm getting used to building it.  At least,
# I'm getting plenty of practice since it's such a fragile,
# non-portable piece of code...
CWD=`pwd`
TMP=/tmp
PKG=/tmp/package-rpm
rm -rf $PKG
mkdir -p $PKG

VERSION=4.2.1
ARCH=x86_64
BUILD=2

# First, check that beecrypt is installed since RPM needs it to build:
if [ ! -d /usr/include/beecrypt ]; then
  ./beecrypt.SlackBuild
  installpkg /tmp/beecrypt-*-*-?.tgz
fi
cd /tmp
rm -rf rpm-$VERSION
tar xjvf $CWD/rpm-$VERSION.tar.bz2
cd rpm-$VERSION
chown -R root:root .
find . -type d | xargs chmod 755
find . -type f -perm 664 | xargs chmod 644
zcat $CWD/rpm-$VERSION.diff.gz | patch -p1
zcat $CWD/lib64.diff.gz | patch -p1 --verbose
# Install the docs before mangling them with our filters:
mkdir -p $PKG/usr/doc/rpm-$VERSION
cp -a \
  ABOUT-NLS COPYING CREDITS GROUPS INSTALL README README.amiga RPM-GPG-KEY RPM-PGP-KEY TODO \
  $PKG/usr/doc/rpm-$VERSION
cp -a doc/manual $PKG/usr/doc/rpm-$VERSION
  rm -f $PKG/usr/doc/rpm-$VERSION/manual/Makefile*
# Change the /usr/src/redhat path to /usr/src/rpm.  This ain't redhat.
find . -name "*.orig" | xargs rm --verbose
for file in `find . -type f` ; do
  echo "Filtering /src/redhat path in $file..."
  cp -a $file $file.orig
  cat $file.orig | sed "/\/src\/redhat/s//\/src\/rpm/" > $file
done
for file in `find . -type f` ; do
  echo "Filtering {_usrsrc}/redhat path in $file..."
  cp -a $file $file.orig
  cat $file.orig | sed "/{_usrsrc}\/redhat/s//{_usrsrc}\/rpm/" > $file
done
find . -name "*.orig" | xargs rm --verbose
# Using "rpm" for the vendor name cures the /usr/src bug.
./configure \
  --prefix=/usr \
	--libdir=/usr/lib64 \
  --with-pic \
  --without-python \
  --without-apidocs \
  --without-dmalloc \
  --without-efence \
  --program-prefix="" --program-suffix="" \
  x86_64-rpm-linux
# Do a plain build, and then strip things by hand.
# Use -i since debugedit won't compile without a lot more cruft, and we don't need it anyway.
make -i
make -i install DESTDIR=$PKG
# Stupid RPM should be taken out back and shot for installing making a chmod 755 /var/tmp:
# rmdir $PKG/var/tmp
# Sigh... have to maintain it for at least one build as an update...
chmod 1777 $PKG/var/tmp
gzip -9 --force $PKG/usr/man/man?/*.? $PKG/usr/man/*/man?/*.?
( cd $PKG
find . | xargs file | grep "ELF 64-bit LSB executable" | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
find . | xargs file | grep "ELF 64-bit LSB shared object" | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)
# Filter all .la files (thanks much to Mark Post for the sed script):
( cd $PKG
  for file in `find . -type f -name "*.la"` ; do
    cat $file | sed -e 's%-L/tmp/[[:graph:]]* % %g' > $TMP/tmp-la-file
    cat $TMP/tmp-la-file > $file
  done
  rm $TMP/tmp-la-file
)
strip -g $PKG/usr/lib64/*.a
# Since rpm linked statically is generally segfaulting after each glibc
# upgrade, these static libraries are very likely equally useless.
rm -f $PKG/usr/lib64/*.a
# Here's a bug that's been around forever:
( cd $PKG/usr/lib64/rpm
  if [ ! -r rpmpopt ]; then
    if [ -r rpmpopt-$VERSION ]; then
      ln -sf rpmpopt-$VERSION rpmpopt
    fi
  fi
)
mkdir -p $PKG/var/lib/rpm/tmp
zcat $CWD/Packages.gz > $PKG/var/lib/rpm/tmp/Packages
chown -R root:root $PKG/bin $PKG/usr/bin
# We ship popt separately.
rm -f $PKG/usr/include/popt.h
rm -f $PKG/usr/man/man3/popt.3.gz
rm -f $PKG/usr/lib64/libpopt.*
rm -f $PKG/usr/share/locale/*/LC_MESSAGES/popt.mo
mkdir -p $PKG/install
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

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