#!/bin/sh

# Slackware build script for mozjs

# Copyright 2015 Willy Sudiarto Raharjo <willysr@slackware-id.org>
# 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.

PRGNAM=mozjs
VERSION=${VERSION:-38.8.0}
SRCNAM=firefox-${VERSION}esr.source
DIRNAM=mozilla-esr38
BUILD=${BUILD:-2}
TAG=${TAG:-_csb}

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

wget -c https://ftp.mozilla.org/pub/firefox/releases/38.8.0esr/source/firefox-38.8.0esr.source.tar.bz2

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

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 -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $DIRNAM
tar xvf $CWD/$SRCNAM.tar.bz2
cd $DIRNAM
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 {} \;

patch -Np1 < $CWD/mozjs38-fix-tracelogger.patch
patch -Np1 < $CWD/mozjs38-shell-version.patch
patch -Np1 < $CWD/mozjs38-pkg-config-version.patch
patch -Np1 < $CWD/mozjs38-install-name.patch
patch -Np1 < $CWD/mozjs38-copy-headers.patch
patch -Np1 < $CWD/mozjs38-add-bracket.patch
patch -Np1 < $CWD/mozjs38-1269317.patch

cd js/src
CFLAGS="$SLKCFLAGS -fno-delete-null-pointer-checks -fpermissive -fno-tree-vrp -fno-strict-aliasing" \
CXXFLAGS="$SLKCFLAGS -fno-delete-null-pointer-checks -fpermissive -fno-tree-vrp -fno-strict-aliasing" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --disable-tests \
  --disable-optimize \
  --enable-pie \
  --enable-threadsafe \
  --enable-ctypes \
  --with-system-ffi   \
  --with-system-nspr \
  --with-system-zlib \
  --with-system-icu \
  --with-intl-api \
  --enable-shared-js \
  --build=$ARCH-slackware-linux

make
make DESTDIR=$PKG install

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

cd ../..

mv $PKG/usr/include/mozjs- $PKG/usr/include/mozjs-38
mv $PKG/usr/lib${LIBDIRSUFFIX}/libmozjs-.so $PKG/usr/lib${LIBDIRSUFFIX}/libmozjs-38.so
mv $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/mozjs-.pc $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/mozjs-38.pc
sed -i "s|lmozjs-|lmozjs-38|g" $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/mozjs-38.pc
sed -i "s|/mozjs-|/mozjs-38|g" $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/mozjs-38.pc

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS LEGAL LICENSE README.txt $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc/$PRGNAM-$VERSION/ -type f -exec chmod 644 {} \;
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

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