#!/bin/bash

# Copyright 2008, 2009, 2010, 2011, 2015, 2017, 2018  Patrick J. Volkerding, Sebeka, MN, USA
# 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.

wget -c https://gitlab.gnome.org/GNOME/glib/-/archive/2.82.0/glib-2.82.0.tar.gz

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

PRGNAM=glib2
SRCNAM=glib
VERSION=${VERSION:-2.82.0}
TAG=_gfs
BUILD=${BUILD:-1}
PKGTYPE=${PKGTYPE:-txz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD.txz"
  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 [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2 -march=armv8-a -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG/usr
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.?z* || exit 1
cd $SRCNAM-$VERSION || exit 1
rm -fr subprojects/gvdb
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 meson-build
cd meson-build
  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  meson setup .. \
    --buildtype=release \
    --infodir=/usr/info \
    --libdir=lib${LIBDIRSUFFIX} \
    --localstatedir=/var \
    --mandir=/usr/man \
    --prefix=/usr \
    --sysconfdir=/etc \
    --libexecdir=/usr/libexec \
    --sbindir=/usr/sbin \
    --includedir=/usr/include \
    --datadir=/usr/share \
    -Dstrip=true \
    -Dselinux=disabled \
    -Dman=true \
    -Dgtk_doc=false \
    -Dinstalled_tests=false \
    -Dintrospection=enabled 
  "${NINJA:=ninja}"
  DESTDIR=$PKG $NINJA install
cd ..

rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# Install profile scripts:
mkdir -p $PKG/etc/profile.d/
cp -a $CWD/libglib2.{csh,sh} $PKG/etc/profile.d/
chown root:root $PKG/etc/profile.d/*
chmod 755 $PKG/etc/profile.d/*
mv $PKG/etc/profile.d/libglib2.csh $PKG/etc/profile.d/libglib2.csh.new
mv $PKG/etc/profile.d/libglib2.sh $PKG/etc/profile.d/libglib2.sh.new

find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

mkdir -p $PKG/usr/doc/$SRCNAM-$VERSION
cp -a  *.md COPYING* NEWS \
    $PKG/usr/doc/$SRCNAM-$VERSION
rm -f $PKG/usr/doc/$SRCNAM-$VERSION/README.{in,win32}
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$SRCNAM-$VERSION/$PRGNAM.SlackBuild

# Make links to the documentation in /usr/share/gtk-doc/:
( cd $PKG/usr/doc/$SRCNAM-$VERSION
  for dir in $PKG/usr/share/gtk-doc/html/* ; do
    ln -s /usr/share/gtk-doc/html/$(basename $dir) .
  done
)

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

# Trim down bloated NEWS file:
if [ -r NEWS ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat NEWS | head -n 1000 > $DOCSDIR/NEWS
  touch -r NEWS $DOCSDIR/NEWS
fi

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
zcat $CWD/doinst.sh.gz | sed "s,@LIBDIR@,/usr/lib${LIBDIRSUFFIX}," > $PKG/install/doinst.sh
if [ -f $CWD/slack-required ]; then cat $CWD/slack-required > $PKG/install/slack-required; fi
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