#!/bin/sh

# Copyright 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016  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.

TARBALLVER=${VERSION:-$(basename $(ls seamonkey-*.tar.* | cut -d - -f 2 | rev | cut -f 3- -d . | rev) .source)}
# Strip the end from beta versions:
VERSION=$(echo $TARBALLVER | cut -f 1 -d b)
BUILD=${BUILD:-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 [ "$ARCH" = "i586" ]; then
  LIBDIRSUFFIX=""
  OPTIMIZE_FLAG="-O2"
  # On IA32, use gold since GNU ld runs out of memory linking libxul.so:
  PATH="$(pwd)/gold:$PATH"
  export CC="gcc -B$(pwd)/gold"
  export CXX="g++ -B$(pwd)/gold"
elif [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
  OPTIMIZE_FLAG="-O2"
else
  LIBDIRSUFFIX=""
  OPTIMIZE_FLAG="-O2"
fi

NUMJOBS=${NUMJOBS:-" -j7 "}

# Workaround to prevent unidentified crashes when compiling with recent gcc.
# Presumably a newer version will fix this (as it did with Firefox), so only
# enable the workaround for known crashing versions.
# Test page to check for crash:  http://onet.pl
if [ $VERSION = 2.39 -o \
     $VERSION = 2.40 ]; then
  OPTIMIZE_FLAG="$(echo "$OPTIMIZE_FLAG" | sed 's/O2/Os/g')"
  echo "Detected Seamonkey $VERSION...  enabling crash workaround O2 -> Os."
  sleep 1
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-seamonkey
rm -rf $PKG
mkdir -p $TMP $PKG/usr

cd $TMP
rm -rf seamonkey-${TARBALLVER}
tar xvf $CWD/seamonkey-${TARBALLVER}.source.tar.?z* || exit 1
cd seamonkey-${TARBALLVER} || exit 1

# Make sure the perms/ownerships are sane:
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 {} \;

chown -R root:root .

# Our building options, in a configure-like display ;)
OPTIONS="\
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --enable-optimize=$OPTIMIZE_FLAG \
  --enable-cpp-rtti \
  --enable-default-toolkit=cairo-gtk2 \
  --enable-startup-notification \
  --disable-debug \
  --with-default-mozilla-five-home=/usr/lib${LIBDIRSUFFIX}/seamonkey-${VERSION} \
  --enable-strip \
  --disable-tests \
  --disable-crashreporter \
  --enable-svg \
  --enable-canvas \
  --enable-gstreamer=1.0 \
  --disable-short-wchar \
  --enable-nspr-autoconf \
  --enable-extensions=default,irc \
  --enable-crypto \
  --enable-libxul \
  --disable-xprint \
  --without-system-nspr \
  --with-system-zlib \
  --with-system-mng \
  --enable-application=suite \
  --enable-xft \
  --host=$ARCH-slackware-linux \
  --target=$ARCH-slackware-linux \
  --build=$ARCH-slackware-linux"

  # --enable-system-cairo \
  # --with-system-png

export BUILD_OFFICIAL=1
export MOZILLA_OFFICIAL=1
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:
echo > .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=$(pwd)/obj" >> .mozconfig
# This directory is also needed or the build will fail:
mkdir -p mozilla/obj

# 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 || exit 1
make -f client.mk install DESTDIR=$PKG || exit 1

# Install nspr/nss headers.
for includedir in nspr nspr/obsolete nspr/private ; do
  mkdir -p $PKG/usr/include/seamonkey-${VERSION}/$includedir
  cp -aL mozilla/dist/include/${includedir}/*.h $PKG/usr/include/seamonkey-${VERSION}/$includedir
done
cp -aL mozilla/dist/include/*.tbl mozilla/dist/include/*.msg $PKG/usr/include/seamonkey-${VERSION}
cp -aL mozilla/dist/include/*.h $PKG/usr/include/seamonkey-${VERSION}
cp -aL mozilla/dist/sdk/include/* $PKG/usr/include/seamonkey-${VERSION}
# compat symlinks
( cd $PKG/usr/include/seamonkey-${VERSION}
  # Relocate anything that might be in the nss directory, and replace the directory with a symlink.
  # make install was putting an empty directory here, which was breaking other compiles.
  if [ -d nss ]; then
    mv nss/* .
    rmdir nss
  fi 
  ln -sf . nss
  ln -sf . plugin
  ln -sf . xpcom
)

# We don't need this stuff in the package:
rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/seamonkey-devel-$VERSION

chown -R root:root $PKG/usr/include/seamonkey-${VERSION}
find $PKG/usr/include/seamonkey-${VERSION} -name "*.h" -type f -exec chmod 644 {} \;
# Create a more generic include files symlink:
( cd $PKG/usr/include
  if [ ! -e seamonkey ]; then
    ln -sf seamonkey-${VERSION} seamonkey
  fi
)

# Install pkgconfig files:
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
for file in $CWD/pkgconfig/* ; do
cat $file \
  | sed -e "s/@LIB@/lib${LIBDIRSUFFIX}/" \
  -e "s/@VERSION@/$VERSION/" \
  > $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/$(basename $file)
done

# Add symlinks for the pkgconfig files:
( cd $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
  ln -s seamonkey-libxul.pc libxul.pc
  ln -s seamonkey-plugin.pc plugin.pc
  ln -s seamonkey-xpcom.pc xpcom.pc
  # These are now provided by the mozilla-nss package:
  #ln -s seamonkey-nspr.pc nspr.pc
  #ln -s seamonkey-nss.pc nss.pc
)

# Compress and if needed symlink the man pages:
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

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

# This remains the standard plugin directory for all browsers.
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/mozilla/plugins

# This is traditional.
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  if [ ! -e seamonkey ]; then
    ln -sf seamonkey-${VERSION} seamonkey
  fi
)

mkdir -p $PKG/usr/share/applications
cp -a $CWD/*.desktop $PKG/usr/share/applications
chown -R root:root $PKG/usr/share/applications
chmod 644 $PKG/usr/share/applications/*
mkdir -p $PKG/usr/share/pixmaps
cp -a $CWD/*.png $PKG/usr/share/pixmaps
chown -R root:root $PKG/usr/share/pixmaps
chmod 644 $PKG/usr/share/pixmaps/*

mkdir -p $PKG/usr/doc/seamonkey-$VERSION
( cd mozilla
  cp -a \
    LEGAL LICENSE README.txt \
    $PKG/usr/doc/seamonkey-$VERSION
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
zcat $CWD/doinst.sh.gz | sed -e "s#usr/lib#usr/lib${LIBDIRSUFFIX}#g" \
  > $PKG/install/doinst.sh

cd $TMP/package-seamonkey
/sbin/makepkg -l y -c n -p $TMP/seamonkey-$TARBALLVER-$ARCH-$BUILD.txz

# Create a standalone seamonkey-solibs package for RPM, gxine, etc.
rm -r $TMP/package-seamonkey-solibs
mkdir -p $TMP/package-seamonkey-solibs/usr/doc
cp -a $PKG/usr/doc/seamonkey-$VERSION $TMP/package-seamonkey-solibs/usr/doc
mkdir -p $TMP/package-seamonkey-solibs/usr/lib${LIBDIRSUFFIX}/seamonkey-${VERSION}
for file in libfreebl3.chk libfreebl3.so libmozsqlite3.so \
  libnspr4.so libnss* libplc4.so libplds4.so libsmime3.so libsoftokn3.chk \
  libsoftokn3.so libssl3.so ; do
  cp -a $PKG/usr/lib${LIBDIRSUFFIX}/seamonkey-${VERSION}/$file \
  $TMP/package-seamonkey-solibs/usr/lib${LIBDIRSUFFIX}/seamonkey-${VERSION}
done
mkdir $TMP/package-seamonkey-solibs/install
cat << EOF | sed -e "s#usr/lib#usr/lib${LIBDIRSUFFIX}#g" > $TMP/package-seamonkey-solibs/install/doinst.sh
( cd usr/lib ; rm -rf seamonkey )
( cd usr/lib ; ln -sf seamonkey-$VERSION seamonkey )
if ! grep /usr/lib/seamonkey etc/ld.so.conf 1> /dev/null 2> /dev/null ; then
  echo "/usr/lib/seamonkey" >> etc/ld.so.conf
fi
if [ -x /sbin/ldconfig ]; then
  /sbin/ldconfig 2> /dev/null
fi
EOF
cat << EOF > $TMP/package-seamonkey-solibs/install/slack-desc
                |-----handy-ruler------------------------------------------------------|
seamonkey-solibs: seamonkey-solibs (Shared libraries from Seamonkey)
seamonkey-solibs:
seamonkey-solibs: This package contains a subset of the shared libraries from Seamonkey
seamonkey-solibs: to provide runtime support for various programs.
seamonkey-solibs: This package is built from the Seamonkey sources and is provided
seamonkey-solibs: as a standalone runtime package for people who do not want to install
seamonkey-solibs: the entire seamonkey package (as for server use).
seamonkey-solibs:
seamonkey-solibs: This package is runtime only.  The include files and other files for
seamonkey-solibs: development can be found in the seamonkey package.
seamonkey-solibs:
EOF
cd $TMP/package-seamonkey-solibs
/sbin/makepkg -l y -c n -p $TMP/seamonkey-solibs-$TARBALLVER-$ARCH-$BUILD.txz