#!/bin/bash

# Slackware build script for svxlink - cmake version

# Copyright 2014-2019, Gustavo Conrad (gus3963 gmail)
# 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.

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

PRGNAM=svxlink
VERSION=${VERSION:-19.09.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

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

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 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

# get runtime configuration
# invoke script as: QTEL=NO ./svxlink.SlackBuild
# to compile svxlink only, no Qtel

BUILD_QTEL="-DUSE_QT=YES" && [[ "$QTEL" = "NO" ]] && BUILD_QTEL="-DUSE_QT=NO"

set -e

# Bail if user or group isn't valid on your system
if ! grep ^svxlink: /etc/passwd 2>&1 > /dev/null; then

cat << EOF

    You must have a svxlink user and group to run this script

    # groupadd -g 286 svxlink
    # useradd -u 286 -g svxlink -d /var/spool/svxlink -s /bin/false svxlink

EOF

  exit
elif ! grep ^svxlink: /etc/group 2>&1 > /dev/null; then

cat << EOF

    You must have a svxlink group to run this script

    # groupadd -g 286 svxlink

EOF

  exit
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION

tar xvf $CWD/$VERSION.tar.gz || tar xvf $CWD/$PRGNAM-$VERSION.tar.gz

# the Github download unpacks several directories, we only need src
# We will download a larger file but I think it's better this way
# to make the overall process simpler
cd $PRGNAM-$VERSION/src

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 {} \;

# From upstream
patch -p2 < $CWD/gcc6.patch

mkdir -p build
cd build
  cmake \
    $BUILD_QTEL \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -fpermissive" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DSYSCONF_INSTALL_DIR=/etc \
    -DLOCAL_STATE_DIR=/var \
    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
    ..
  make
  make doc
  make install DESTDIR=$PKG

cd ..

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a ../COPYRIGHT doc/README* doc/*.txt doc/qteluserdocs/*.pdf doc/qteluserdocs/*.tex \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
mv $PKG/usr/share/man $PKG/usr/

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

mkdir -p $PKG/etc/rc.d
cat $CWD/rc.svxlink > $PKG/etc/rc.d/rc.svxlink.new

mkdir -p $PKG/etc/logrotate.d
cat $CWD/svxlink > $PKG/etc/logrotate.d/svxlink

# Rename .conf to .new to be processed by doinst.sh
rename .conf .conf.new $PKG/etc/svxlink/*
rename .conf .conf.new $PKG/etc/svxlink/svxlink.d/*.conf

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