#!/bin/sh

# Slackware build script for heirloom-pax

# Written by ruario <sbo@ruari.com>

PRGNAM=heirloom-pax
VERSION=${VERSION:-070715}
BUILD=${BUILD:-1}
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 $TMP
rm -rf heirloom-$VERSION
tar xvf $CWD/heirloom-${VERSION}.tar.bz2
cd heirloom-$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 {} \;

# Patch the paths in the man page to use /usr/lib/heirloom/bin, rather
# than /usr/5bin (where the upstream maintainer suggests). This is
# done to avoid littering the top level of /usr.
sed -i.original \
  -e "s|/usr/5bin|/usr/lib$LIBDIRSUFFIX/heirloom/bin|" \
  -e "s|/usr/posix2001/bin|/usr/lib$LIBDIRSUFFIX/heirloom/bin/posix2001|" cpio/pax.1

# Manually insert the CFLAGS, since autotools is not used
sed -ri.original "/^CFLAGS.? = /s|-O.? |${SLKCFLAGS} |" build/mk.config

# We are only interested in pax and its build dependencies. Therefore
# lets limit "make makefiles" from doing more than it needs.
patch -p0 < $CWD/makefile.patch

# Now we can build the two pax versions provided by the Heirloom Toolchest
make makefiles
make -C libcommon
make -C libuxre
make -C cpio pax pax_su3

# The install will be manual as it is easier than patching the
# "make install" target. ;)
#
# Note: pax cannot go directly into /usr/bin because Heirloom Toolchest
# provides two pax versions and the user may have another pax
# already installed.
install -Dm755 cpio/pax $PKG/usr/lib$LIBDIRSUFFIX/heirloom/bin/pax
mkdir -p $PKG/usr/lib$LIBDIRSUFFIX/heirloom/bin/{s42,posix}
( cd $PKG/usr/lib$LIBDIRSUFFIX/heirloom/bin/s42/; ln -s ../pax pax )
( cd $PKG/usr/lib$LIBDIRSUFFIX/heirloom/bin/posix/; ln -s ../pax pax )
install -Dm755 cpio/pax_su3 $PKG/usr/lib$LIBDIRSUFFIX/heirloom/bin/posix2001/pax
install -Dm644 cpio/pax.1 $PKG/usr/man/man1/${PRGNAM}.1

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cd LICENSE
cp -a \
  COPYING COPYING.LGPL LICENSE LUCENT OPENSOLARIS.LICENSE README \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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}