#!/bin/bash

# Copyright 2008, 2009, 2010, 2011, 2015, 2017, 2018, 2022, 2023, 2024  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.

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

PKGNAM=glib2
VERSION=${VERSION:-$(echo glib-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-glib2

if [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=pentium4 -mtune=generic"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
else
  SLKCFLAGS=${SLKCFLAGS:-"-O2"}
  LIBDIRSUFFIX=${LIBDIRSUFFIX:-""}
fi

rm -rf $PKG
mkdir -p $TMP $PKG/usr
cd $TMP
rm -rf glib-$VERSION
tar xvf $CWD/glib-$VERSION.tar.?z* || exit 1
cd glib-$VERSION || exit 1

chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \+ -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \+

# Configure, build, and install:
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
mkdir meson-build
cd meson-build
meson setup \
  --prefix=/usr \
  --libdir=lib${LIBDIRSUFFIX} \
  --libexecdir=/usr/libexec \
  --bindir=/usr/bin \
  --sbindir=/usr/sbin \
  --includedir=/usr/include \
  --datadir=/usr/share \
  --mandir=/usr/man \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --buildtype=release \
  -Dselinux=disabled \
  -Dglib_debug=disabled \
  -Dman-pages=enabled \
  -Ddocumentation=false \
  -Dinstalled_tests=false \
  .. || exit 1
  "${NINJA:=ninja}" $NUMJOBS || exit 1
  DESTDIR=$PKG $NINJA install || exit 1
cd ..

# Since meson isn't listening to options:
rm -rf $PKG/usr/libexec/installed-tests
rmdir $PKG/usr/libexec

# Relocate some docs:
mkdir -p $PKG/usr/doc/glib-$VERSION
mv $PKG/usr/share/doc/glib-2.0 $PKG/usr/doc/glib-$VERSION
rmdir $PKG/usr/share/doc

# 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 $PKG/usr/doc/glib-$VERSION/LICENSES
cp -a \
  AUTHORS COPYING* LICENSES NEWS README* \
  $PKG/usr/doc/glib-$VERSION
  rm -f $PKG/usr/doc/glib-$VERSION/README.{in,win32}

# 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

cd $PKG
/sbin/makepkg -l y -c n --prepend $TMP/glib2-$VERSION-$ARCH-$BUILD.txz