#!/bin/sh

# Slackware build script for FreeBASIC

# Copyright 2014-2016  Dimitris Zlatanidis  Orestiada, Greece
# 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.

PRGNAM=FreeBASIC
VERSION=${VERSION:-1.05.0}
BUILD=${BUILD:-2}
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

if [ "$ARCH" = "x86_64" ]; then
    SRCVER=$(echo $VERSION-linux-x86_64)
else
    SRCVER=$(echo $VERSION-linux-x86)
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$SRCVER
tar xvf $CWD/$PRGNAM-$SRCVER.tar.gz
cd $PRGNAM-$SRCVER
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 {} \;

mkdir -p $PKG/usr/bin $PKG/usr/include/${PRGNAM,,} $PKG/usr/lib/${PRGNAM,,} \
    $PKG/usr/lib${LIBDIRSUFFIX}/${PRGNAM,,} $PKG/usr/man/man1

install -D -m0755 bin/fbc $PKG/usr/bin/fbc
cp -rf include/${PRGNAM,,}/* $PKG/usr/include/${PRGNAM,,}
cp -rf lib/${PRGNAM,,}/* $PKG/usr/lib${LIBDIRSUFFIX}/${PRGNAM,,}

# fix linking library for x86_64 arch
if [ "$ARCH" = "x86_64" ]; then
    (
      cd /usr/lib${LIBDIRSUFFIX}
      ln -s /usr/lib${LIBDIRSUFFIX}/${PRGNAM,,}/linux-x86_64 $PKG/usr/lib/${PRGNAM,,}
    )
fi

# fix linking with libtinfo over libncurses
if [[ -L "/usr/lib${LIBDIRSUFFIX}/libtinfo.so.5" && -f "/usr/lib${LIBDIRSUFFIX}/libtinfo.so.5" ]]; then
    echo "Symlink to ncurses is ready"
else
    (
      cd /usr/lib${LIBDIRSUFFIX}
      ln -s /usr/lib${LIBDIRSUFFIX}/libncurses.so.5 libtinfo.so.5
    )
fi

# gzip man page
gzip -c doc/fbc.1 > $PKG/usr/man/man1/fbc.1.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a doc/*.txt $PKG/usr/doc/$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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