#!/bin/bash

# Slackware build script for libpng-legacy12

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

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

# 20220125 bkw: BUILD=2, get rid of .la file. Nothing that depends on
# this needs it, and it might come back to bite us someday...

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

PRGNAM=libpng-legacy12
VERSION=${VERSION:-1.2.57}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

UPSTREAM_VER=${UPSTREAM_VER:-1.4.20}
UPSTREAM_BUILD=${UPSTREAM_BUILD:-1}
UPSTREAM_TAG=${UPSTREAM_TAG:-_slack14.1}

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

if [ "$ARCH" = "x86_64" ]; then
  SRCARCH=$ARCH
 LIBDIRSUFFIX="64"
 # 2023-05-17 DW: allow any x86
elif [[ $ARCH = i?86 ]]; then
  SRCARCH=i486
 LIBDIRSUFFIX=
else
  echo "$ARCH architecture is unsupported." >/dev/stderr
  exit 1
fi

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

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

UPSTREAM=libpng-$UPSTREAM_VER-$SRCARCH-$UPSTREAM_BUILD$UPSTREAM_TAG

set -e

rm -rf $PKG
mkdir -p $TMP/$PRGNAM $PKG $OUTPUT
rm -rf $TMP/$PRGNAM
mkdir -p $TMP/$PRGNAM
cd $TMP/$PRGNAM
tar xvf $CWD/$UPSTREAM.txz

# Include only the shared lib, plus SBo-specific docs.
mkdir -p $PKG/usr/lib$LIBDIRSUFFIX
cp -a \
  ./usr/lib$LIBDIRSUFFIX/libpng12.so.*.*.* \
  $PKG/usr/lib$LIBDIRSUFFIX

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# make our doinst.sh from upstream's
grep libpng12.so ./install/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE