#!/bin/bash

# Slackware build script for unifdef

# Written by B. Watson (urchlay@slackware.uk)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

wget -c https://dotat.at/prog/unifdef/unifdef-2.12.tar.xz

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=unifdef
VERSION=${VERSION:-2.12}
TAG=_gfs
BUILD=${BUILD:-1}
PKGTYPE=${PKGTYPE:-txz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/gfs}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-$CWD}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
cd $PRGNAM-$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 \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

make CFLAGS="$SLKCFLAGS" DESTDIR=$PKG

mkdir -p $PKG/usr/bin $PKG/usr/man/man1

# manual install = less code than hacking 'make install'
install -s -m0755 $PRGNAM $PKG/usr/bin
install -m0755 ${PRGNAM}all.sh $PKG/usr/bin/${PRGNAM}all
gzip -9c < $PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz
ln -s $PRGNAM.1.gz $PKG/usr/man/man1/${PRGNAM}all.1.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
gzip -9 Changelog # it's bloody enormous
cp -a COPYING README Changelog.gz $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
if [ -f $CWD/slack-required ]; then cat $CWD/slack-required > $PKG/install/slack-required; fi
cat $CWD/slack-desc > $PKG/install/slack-desc
if [ -f $CWD/slack-suggests ]; then cat $CWD/slack-suggests > $PKG/install/slack-suggests; fi
if [ -f $CWD/slack-conflicts ]; then cat $CWD/slack-conflicts > $PKG/install/slack-conflicts; fi

cd $PKG
if [ -f $CWD/slack-required ]; then cat $CWD/slack-required > $PKG/usr/doc/$PRGNAM-$VERSION/slack-required; fi
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE