#!/bin/sh

# Copyright 2008, 2009, 2010, 2014, 2015  Patrick J. Volkerding, Sebeka, MN, 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.


VERSION=1.6g
BUILD=${BUILD:-3}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-man

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

cd $TMP
rm -rf $PKG
mkdir -p $TMP $PKG
rm -rf man-$VERSION
tar xvf $CWD/man-$VERSION.tar.xz || exit 1
cd man-$VERSION || exit 1

# Fix conditional in makewhatis:
zcat $CWD/makewhatis.bzcat.bugfix.diff.gz | patch -p1 --verbose || exit 1

# In man.conf, set NROFF to "/usr/bin/nroff -mandoc" rather
# than "/usr/bin/nroff -Tlatin1".  This works better with
# modern console encodings.  Thanks to rg3.
zcat $CWD/man-1.6f.nroff.mandoc.diff.gz | patch -p1 || exit 1

chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# configure doesn't care about CFLAGS
./configure +lang all +traditional -confdir /etc
make CFLAGS="$SLKCFLAGS" || exit 1
make install PREFIX=$PKG || exit 1
mv $PKG/etc/man.conf $PKG/etc/man.conf.new

( 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
)

( cd $PKG/usr/man
  find . -name "*.?" -exec gzip -9 {} \;
  # hack to remove empty man directories:
  ( find . -type d | xargs rmdir ) 2> /dev/null
  ( find . -type d | xargs rmdir ) 2> /dev/null
)

mkdir -p $PKG/usr/doc/man-$VERSION
cp -a COPYING* INSTALL LSM README TODO $PKG/usr/doc/man-$VERSION

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
zcat $CWD/doinst.sh.gz | sed -e "s#/lib/#/lib${LIBDIRSUFFIX}/#g" \
  > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $TMP/man-$VERSION-$ARCH-$BUILD.txz