#!/bin/sh

# Slackware build script for PaleMoon

# Copyright 2017 Vasily Sora 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.

# Modified by SlackBuilds.org

PRGNAM=PaleMoon
VERSION=${VERSION:-27.3.0}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

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

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# You can try changing the optimization level to simply "-O2" if your processor
# doesn't support sse2 instructions.
# "-Os" might help if you experience segfaults.
OPTIMIZE=${OPTIMIZE:-"-O2 -msse2 -mfpmath=sse"}
if [ "$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 the compiler that will be used. The ideal compiler for
# PaleMoon is most likely gcc-4.9.4.
#
# If the user has specified a compiler, use that. Other wise
# look to see if gcc-4.9.4 and g++-4.9.4 can be found.
if [ "$CC" = "" ] && [ "$CXX" = "" ]; then
	GCC494=$(type -P gcc-4.9.4) && GCXX494=$(type -P g++-gcc-4.9.4)
fi
# If no compiler is specified by the user, default to using
# gcc-4.9.4 and g++-gcc-4.9.4; if they are present and can be found.
if [ "$GCC494" != "" ] && [ "$GCXX494" != "" ]; then
	CC=gcc-4.9.4 && CXX=g++-gcc-4.9.4
# If gcc-4.9.4 is not found look for it, and if found, use gcc-4.8.2
elif [ "$GCC494" = "" ] && [ "$GCXX494" = "" ]; then
	GCC482=$(type -P gcc-4.8.2) && GCXX482=$(type -P g++-gcc-4.8.2)
	if [ "$GCC482" != "" ] && [ "$GCXX482" != "" ]; then
		CC=gcc-4.8.2 && CXX=g++-gcc-4.8.2
# Lastly, if there is no user defined compiler to use, and,
# gcc-4.9.4 can not be found, use the default Slackware gcc
# and g++.
           else CC=gcc && CXX=g++
        fi
fi

export CC="$CC"
export CXX="$CXX"

rm -rf $PKG $TMP/pmbuild $TMP/gold
mkdir -p $TMP $PKG $OUTPUT $TMP/pmbuild $TMP/gold

DEBUG=" --enable-strip --disable-debug --disable-debug-symbols --enable-release"
if [ "${ENABLE_DEBUG:-no}" = "yes" ]; then
  DEBUG=" --disable-strip --disable-install-strip --enable-debug --enable-debug-symbols "
  # On IA32, use gold since GNU ld runs out of memory linking libxul.so
  # when debug is turned on
  if [ "$ARCH" = "i586" -o "$ARCH" = "i686" ]; then
    echo "#!/bin/bash" >> $TMP/gold/gold
    echo "/usr/bin/ld.gold \"\$@\"" >> $TMP/gold/gold
    cp $TMP/gold/gold $TMP/gold/ld
    chmod +x $TMP/gold/*
    PATH="$TMP/gold:$PATH"
    export CC="$CC -B$TMP/gold"
    export CXX="$CXX -B$TMP/gold"
  fi
fi

set -e

# We need to use the incredibly ancient autoconf-2.13 for this  :/
# (Taken from Slackware's Firefox build Script)
cd $TMP
rm -rf autoconf-2.13
tar xvf $CWD/autoconf-2.13.tar.xz
cd autoconf-2.13
zcat $CWD/autoconf-2.13-consolidated_fixes-1.patch.gz | patch -p1 --verbose
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 {} \;

# Build a temporary copy of autoconf-2.13 only to be used to compile
# Pale Moon, since it somewhat inexplicably requires this ancient version:
rm -rf $TMP/autoconf-tmp
mkdir -p $TMP/autoconf-tmp
# This will be at the beginning of the $PATH, so protect against nonsense
# happening in $TMP:
chmod 700 $TMP/autoconf-tmp
rm -rf $TMP/autoconf-tmp/*
mkdir -p $TMP/autoconf-tmp/usr

./configure \
  --prefix=$TMP/autoconf-tmp/usr \
  --program-suffix=-2.13 \
  --infodir=$TMP/autoconf-tmp/usr/info \
  --mandir=$TMP/autoconf-tmp/usr/man \
  --build=$ARCH-slackware-linux

make || make -j1
make install
PATH=$TMP/autoconf-tmp/usr/bin:$PATH

# Build PaleMoon
cd $TMP
rm -rf Pale-Moon-${VERSION}_Release
tar xzvf $CWD/${VERSION}_Release.tar.gz || tar xzvf $CWD/Pale-Moon-${VERSION}_Release.tar.gz
cd Pale-Moon-${VERSION}_Release
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 {} \;

# Crude hack so that /usr/lib/mozilla/plugins points to
# /usr/lib64/mozilla/plugins on 64 bit systems
if [ "$LIBDIRSUFFIX" = "64" ]; then
  sed -i 's:/usr/lib/mozilla/plugins:/usr/lib64/mozilla/plugins:g' \
    xpcom/io/nsAppFileLocationProvider.cpp
fi


# Without LANG=C, building the Python environment may fail with:
# "UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 36: ordinal not in range(128)"
export LANG=C

export MOZBUILD_STATE_PATH="$TMP/Pale-Moon-${VERSION}_Release/moz.build"
export MOZCONFIG="$TMP/Pale-Moon-${VERSION}_Release/.mozconfig"
export MOZILLA_OFFICIAL=1
export MOZ_MAKE_FLAGS=$MAKEFLAGS
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
export PYTHON=/usr/bin/python2

# Dev tools are enabled by default in the official binaries, so we should do the same here;
# passing DEVTOOLS=no to the script, however, will disable them.
if [ "$DEVTOOLS" = "no" ]; then
  DEVTOOLS=""
else
  DEVTOOLS="--enable-devtools"
fi

# Please see https://www.palemoon.org/redist.shtml for restrictions when using the official branding.
# Our building options, in a configure-like display ;)
OPTIONS="\
  --enable-official-branding \
  --enable-application=browser \
  --enable-default-toolkit=cairo-gtk2 \
  --disable-installer \
  --disable-updater \
  --disable-tests \
  --disable-mochitests \
  --enable-jemalloc \
  --with-pthreads \
  --enable-shared-js \
  $DEVTOOLS \
  $DEBUG \
  --x-libraries=/usr/lib${LIBDIRSUFFIX} \
  --with-default-mozilla-five-home=/usr/lib${LIBDIRSUFFIX}/palemoon-$VERSION \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man"

echo "mk_add_options MOZ_CO_PROJECT=browser" >> .mozconfig
echo "mk_add_options MOZ_OBJDIR=$TMP/pmbuild" >> .mozconfig

# Write in the .mozconfig the options above
for option in $OPTIONS; do echo "ac_add_options $option" >> .mozconfig; done
echo "ac_add_options --enable-optimize=\"$OPTIMIZE\"" >> .mozconfig

if ! pkg-config --exists libpulse; then
echo "ac_add_options --disable-pulseaudio" >> .mozconfig; fi

python2 mach build || echo "Next =>"
python2 mach build

# Clean up; and package PaleMoon.
cd $TMP/pmbuild
make install DESTDIR=$PKG

cd $PKG

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

# Avoid duplicate binaries; details: https://bugzilla.mozilla.org/show_bug.cgi?id=658850
# Pale Moon package scripts appear to attempt this, on other 'distros'; those scripts,
# however, appear to fail on Slackware.
rm -f usr/lib${LIBDIRSUFFIX}/palemoon-$VERSION/palemoon-bin

# Append a version suffix to the binary, if we desire to install this version of
# PaleMoon along side any other version of PaleMoon.
if [ "$APPEND_VERSION_SUFFIX" = "yes" ]; then
  mv usr/bin/palemoon usr/bin/palemoon-$VERSION
fi

# Use system provided Hunspell, if desired.
if [ "${USE_SYSTEM_HUNSPELL}" = "yes" ]; then
  rm -rfv usr/lib${LIBDIRSUFFIX}/palemoon-$VERSION/dictionaries
  cp -vsr /usr/share/hunspell usr/lib${LIBDIRSUFFIX}/palemoon-$VERSION/dictionaries
fi

# Icons
mkdir -p $PKG/usr/share/icons/hicolor/{16x16,32x32,48x48,128x128}/apps
mkdir -p $PKG/usr/share/applications
ln -s /usr/lib${LIBDIRSUFFIX}/palemoon-$VERSION/browser/chrome/icons/default/default16.png \
  usr/share/icons/hicolor/16x16/apps/${PRGNAM}-$VERSION.png
ln -s /usr/lib${LIBDIRSUFFIX}/chrome/icons/default/default32.png \
  usr/share/icons/hicolor/32x32/apps/${PRGNAM}-$VERSION.png
ln -s /usr/lib${LIBDIRSUFFIX}/chrome/icons/default/default48.png \
  usr/share/icons/hicolor/48x48/apps/${PRGNAM}-$VERSION.png
ln -s /usr/lib${LIBDIRSUFFIX}/palemoon-$VERSION/browser/icons/mozicon128.png \
  usr/share/icons/hicolor/128x128/apps/${PRGNAM}-$VERSION.png

# Install .desktop file
sed "s|@VERSION@|$VERSION|" $CWD/$PRGNAM.desktop \
  > $PKG/usr/share/applications/$PRGNAM.desktop

# Set the correct exec path inside of the .desktop
if [ "$APPEND_VERSION_SUFFIX" = "yes" ]; then
  sed -i 's|@APPEND_VERSION_SUFFIX@|-$VERSION|g' \
    $PKG/usr/share/applications/$PRGNAM.desktop
else
  sed -i 's|@APPEND_VERSION_SUFFIX@||g' \
    $PKG/usr/share/applications/$PRGNAM.desktop
fi

mkdir -p $PKG/usr/doc/$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

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