#!/bin/sh

# Slackware build script for icecat
# Written by David Negroni <dnegroni.italy@gmail.com>
# Modified by melikamp <melikamp@melikamp.net>
# With some code copy-pasted from Patrick J. Volkerding's
# firefox build script.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version, with the following exception:
# the text of the GPL license may be omitted.

# This program is distributed in the hope that it will be useful, but
# without any warranty; without even the implied warranty of
# merchantability or fitness for a particular purpose. Compiling,
# interpreting, executing or merely reading the text of the program
# may result in lapses of consciousness and/or very being, up to and
# including the end of all existence and the Universe as we know it.
# See the GNU General Public License for more details.

# You may have received a copy of the GNU General Public License along
# with this program (most likely, a file named COPYING).  If not, see
# <http://www.gnu.org/licenses/>.

PRGNAM="icecat"
VERSION=${VERSION:-38.5.0}
RELEASEVER="$VERSION"
RELEASEVERMAJ=$(echo $RELEASEVER | cut -f 1 -d .)
BUILD=${BUILD:-1}
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 [ "$ARCH" = "i486" ]; then
  SLKCFLAGS=""
  LIBDIRSUFFIX=""
  OPTIMIZE=" --enable-optimize=-O2 "
  # On IA32, use gold since GNU ld runs out of memory linking libxul.so:
  PATH="$(pwd)/gold:$PATH"
  export CC="gcc -B$(pwd)/gold"
  export CXX="g++ -B$(pwd)/gold"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
  OPTIMIZE=" --enable-optimize=-O2 "
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  OPTIMIZE=" --enable-optimize=-O2 "
elif [ "$ARCH" = "arm" ]; then
  SLKCFLAGS="-O2 -march=armv4 -mtune=xscale"
  LIBDIRSUFFIX=""
  OPTIMIZE=" --enable-optimize=-O2 "
elif [ "$ARCH" = "armel" ]; then
  SLKCFLAGS="-O2 -march=armv4t"
  LIBDIRSUFFIX=""
  OPTIMIZE=" --enable-optimize=-O2 "
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
  OPTIMIZE=" --enable-optimize=-O2 "
fi

# When it works, it builds much faster.
#NUMJOBS=${NUMJOBS:-" -j7 "}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/${PRGNAM}-$VERSION-gnu1.tar.bz2
cd ${PRGNAM}-$VERSION

# https://bugzilla.mozilla.org/show_bug.cgi?id=1194520
sed -e '/^ftglyph.h/i ftfntfmt.h' \
  -e '/^freetype\/ftcache.h/a freetype\/ftfntfmt.h' \
  -i config/system-headers

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 {} \;

# Our building options, in a configure-like display ;)
OPTIONS="\
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-system-zlib \
  --enable-application=browser \
  --enable-default-toolkit=cairo-gtk2 \
  --enable-startup-notification \
  --enable-crypto \
  --enable-svg \
  --enable-canvas \
  --enable-logging \
  --enable-xft \
  --enable-webm \
  --enable-xinerama \
  $OPTIMIZE \
  --enable-reorder \
  --enable-strip \
  --enable-cpp-rtti \
  --enable-single-profile \
  --disable-gnomevfs \
  --disable-ldap \
  --disable-accessibility \
  --disable-crashreporter \
  --disable-debug \
  --disable-pedantic \
  --disable-pulseaudio \
  --disable-installer \
  --disable-mailnews \
  --disable-composer \
  --disable-profilesharing"
# Complains about missing APNG support in Slackware's libpng:
# --with-system-png \
# This option breaks mozilla-12.0:
# --enable-system-cairo \

export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
#export MOZ_MAKE_FLAGS="$NUMJOBS"

# Clear some variables that could break the build
unset DBUS_SESSION_BUS_ADDRESS ORBIT_SOCKETDIR SESSION_MANAGER \
  XDG_SESSION_COOKIE XAUTHORITY MAKEFLAGS

# Assemble our .mozconfig, we use this method for building, seems
# needed for PGO.
echo ". \$topsrcdir/browser/config/mozconfig" > .mozconfig

# Mozilla devs enforce using an objdir for building
# https://developer.mozilla.org/en/Configuring_Build_Options#Building_with_an_objdir
mkdir obj
echo "mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/obj" >> .mozconfig

# Write in it the options above
for option in $OPTIONS; do echo "ac_add_options $option" >> .mozconfig; done

echo "ac_add_options --disable-tests" >> .mozconfig
make -f client.mk build
make -f client.mk install DESTDIR=$PKG

# We don't need these (just symlinks anyway):
rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/icecat-devel-$RELEASEVER

# Nor these:
rm -rf $PKG/usr/include

# OK, this is just awkward. Only OS-dependent addons should be in the
# OS software channel, and the rest should be installed by the user,
# or else the user gets stuck with unremovable addons. This especially
# affects the adblockers, since some of them are incompatible.
( cd $PKG/usr/lib${LIBDIRSUFFIX}/icecat-$RELEASEVER/browser/extensions \
  && rm -rf spyblock* jid1* https* html5* abouticecat* )

# Desktop integration
mkdir -p $PKG/usr/share/applications
cat $CWD/icecat.desktop > $PKG/usr/share/applications/icecat.desktop
# Need some default icons in the right place:
for i in 16 22 24 32 48 256; do
  install -m 0644 -D browser/branding/official/default${i}.png \
    $PKG/usr/share/icons/hicolor/${i}x${i}/apps/icecat.png
done
mkdir -p $PKG/usr/share/pixmaps
( cd $PKG/usr/share/pixmaps ; ln -sf /usr/share/icons/hicolor/256x256/apps/icecat.png . )
mkdir -p $PKG/usr/lib$LIBDIRSUFFIX/icecat-$RELEASEVER/chrome/icons/default
install -m 644 browser/branding/official/default16.png \
  $PKG/usr/lib$LIBDIRSUFFIX/icecat-$RELEASEVER/icons/
install -m 644 browser/branding/official/default16.png \
  $PKG/usr/lib$LIBDIRSUFFIX/icecat-$RELEASEVER/chrome/icons/default/

# Stage documentation
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a Changelog.IceCat LEGAL LICENSE README.IceCat README.txt AUTHORS \
  $PKG/usr/doc/$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}