#!/bin/bash

# Slackware build script for libconfig

# Copyright 2017 Manuel Argüelles <email removed>
# Copyright 2017-2018 Jason Graham <email removed>
# Copyright 2023 B. Watson
# 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.

# 20251222 bkw: update for v1.8.2.
# 20250704 bkw:
# - update for v1.8.1.
# - switch from autotools to cmake. this fixes building on -current. thanks
#   to Andrea Sacchetti Picchio for spotting this.
# - get rid of DOC=yes, upstream ships prebuilt docs, always include.
# - cmake doesn't build the .info file, do it manually.
# - build with our SLKCFLAGS only.

# 20250528 bkw: update for v1.8.
# 20231127 bkw:
# - update for v1.7.3.
# - take over maintenance.
# - add doinst.sh and douninst.sh for GNU info file.
# - remove the EXAMPLE option; the examples are tiny, always include them.

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

PRGNAM=libconfig
VERSION=${VERSION:-1.8.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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=${TMP:-/tmp/SBo}
PKG=$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

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

SLKCFLAGS="$SLKCFLAGS -DNDEBUG"

# Note: -DCMAKE_INSTALL_LIBDIR=/usr/lib64 results in broken .pc files
# that reference /usr//usr/lib64. Using a relative (as below) path fixes it.
mkdir -p build
cd build
  cmake \
    -DCMAKE_VERBOSE_MAKEFILE=ON \
    -DBUILD_EXAMPLES=OFF \
    -DBUILD_TESTS=OFF \
    -DCMAKE_C_FLAGS_RELEASE="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS_RELEASE="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
    -DCMAKE_INSTALL_MANDIR=/usr/man \
    -DCMAKE_INSTALL_DOCDIR=/usr/doc/$PRGNAM-$VERSION \
    -DCMAKE_BUILD_TYPE=Release ..
  make install/strip DESTDIR=$PKG
cd ..

# 20250705 bkw: when we built with autoconf, it would create the .info
# file. upstream hasn't added the .info to cmake yet, so do it this way.
I=$PRGNAM.info
make -C doc $I
mkdir -p $PKG/usr/info
gzip -9c < doc/$I > $PKG/usr/info/$I.gz

# 20250705 bkw: upstream stopped updating ChangeLog in 2022, after 1.7.4.
# for now, include it in the package.
PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC/examples/{c,c++}
cp -a AUTHORS COPYING.LIB ChangeLog LICENSE README* TODO $PKGDOC
cp -a examples/c/*.{cfg,c} $PKG/usr/doc/$PRGNAM-$VERSION/examples/c/
cp -a examples/c++/*.{cfg,cpp} $PKG/usr/doc/$PRGNAM-$VERSION/examples/c++/
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

# 20250705 bkw: upstream ships prebuilt docs, use them.
cp -a docs/libconfig_manual.{html,pdf} $PKGDOC

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

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