#!/bin/bash

# Slackware build script for Pale Moon

# Copyright 2018,2019 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
# Special thanks to Ponce

PRGNAM=palemoon
VERSION=${VERSION:-29.1.1}
SRCNAM1=${SRCNAM1:-Pale-Moon-${VERSION}_Release}
SRCNAM2=${SRCNAM2:-pale-moon}
SRCNAM3=${SRCNAM3:-UXP-RELBASE_20210330}
BUILD=${BUILD:-1}
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}

OBJ=${OBJ:-obj-$PRGNAM}
GTK=${GTK:-gtk2}

# 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

# look into adding this as an option:
# elif [ "$ARCH" = "x86_64" ]; then
#	  SLKCFLAGS="-O2 -D_FORTIFY_SOURCE=2 -fstack-protector --param ssp-buffer-size=4 -fPIE -pie -Wl,-z,relro,-z,now -mindirect-branch=th


# The default is to build with official branding. This SlackBuild is used to
# produce officially approved third party "contributed builds" of Pale Moon.
# This SlackBuild can also be used to produce unapproved packages -- which
# requires the use of the "new moon", or if applicable, "unstable" branding.
# In general, the "unstable" branding is intended for those building from the
# master trunck of the Pale Moon github repository.
BRANDING=${BRANDING:---enable-official-branding}
if [ "$BRANDING" = "NewMoon" ]; then
	BRANDING="--disable-official-branding --with-branding=palemoon/branding/unofficial"
elif [ "$BRANDING" = "unstable" ]; then
	BRANDING="--disable-official-branding --with-branding=palemoon/branding/unstable"
fi

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

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 Pale Moon
cd $TMP
rm -rf $SRCNAM2
tar -xvf $CWD/$SRCNAM1.tar.gz
cd $SRCNAM2
tar -xvf $CWD/$SRCNAM3.tar.gz -C platform --strip-components 1

if [ "${ADNAUSEAM:-block}" = "unblock" ]; then
	patch -p1 < $CWD/adNauseam-unblock.patch
fi

# Selectively APPLY patch for glibc 2.30+
if [ "${PATCH_GLIBC:-no}" = "yes" ]; then
	patch -p0 < $CWD/glibc-2.30+.patch
fi

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 {} \;

# 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 MOZCONFIG="$TMP/$SRCNAM2/.mozconfig"
export MOZILLA_OFFICIAL=1
export MOZ_MAKE_FLAGS=$MAKEFLAGS
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
export BUILDING_RELEASE=1
export MOZ_ADDON_SIGNING=
export MOZ_REQUIRE_SIGNING=
export MOZ_TELEMETRY_REPORTING=
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="--disable-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="\
  ${BRANDING} \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-default-mozilla-five-home=/usr/lib${LIBDIRSUFFIX}/$PRGNAM-$VERSION \
  --x-libraries=/usr/lib${LIBDIRSUFFIX} \
  --enable-default-toolkit=cairo-$GTK \
  --disable-accessibility \
  $DEBUG \
  $DEVTOOLS \
  --enable-application=$PRGNAM \
  --disable-crashreporter \
  --disable-updater \
  --disable-tests \
  --enable-jemalloc \
  --with-pthreads"

echo "mk_add_options MOZ_OBJDIR=$TMP/$OBJ" > .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

if pkg-config --exists jack && [ "${BLACKLIST_JACK:-no}" != "yes" ]; then
echo "ac_add_options --enable-jack" >> .mozconfig; fi

sed -i 's/.\/platform\/mach/"python2\ .\/platform\/mach"/g' mach
./mach build

## Clean up; and package Pale Moon.
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/mozilla/plugins
cd $TMP/$OBJ
make install DESTDIR=$PKG

cd $PKG

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

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

# Install icons:
for PX in 16 32 48 ; do
  mkdir -p $PKG/usr/share/icons/hicolor/${PX}x${PX}/apps
  ln -s /usr/lib${LIBDIRSUFFIX}/$PRGNAM-$VERSION/browser/chrome/icons/default/default${PX}.png \
        $PKG/usr/share/icons/hicolor/${PX}x${PX}/apps/$PRGNAM.png
done
# ... and the 128px icon file too:
mkdir -p $PKG/usr/share/icons/hicolor/128x128/apps
ln -s /usr/lib${LIBDIRSUFFIX}/$PRGNAM-$VERSION/browser/icons/mozicon128.png \
      $PKG/usr/share/icons/hicolor/128x128/apps/$PRGNAM.png

mkdir -p $PKG/usr/share/applications
cat $CWD/palemoon.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  $TMP/$SRCNAM2/platform/LEGAL $TMP/$SRCNAM2/LICENSE $TMP/$SRCNAM2/README.md $TMP/$SRCNAM2/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

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