#!/bin/bash

# Slackware build script for ROOT

# written by Jože Zobec <jozze.zepl@gmail.com>

# 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 the slackbuilds.org project

PRGNAM=root
VERSION=${VERSION:-5.34.03}
BUILD=${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 [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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

# GSL support
if [[ ${GSL:-no} = "no" ]]; then
  GSL_FLAGS="--disable-gsl-shared"
else
  GSL_FLAGS="--enable-gsl-shared \
	  --with-gsl-incdir=/usr/include \
	  --with-gsl-libdir=/usr/lib${LIBDIRSUFFIX}"
  if [ "$MATHMORE" = "yes" ]; then
    GSL_FLAGS="$GSL_FLAGS --enable-mathmore"
  fi
fi

# FFTW3 support
if [[ ${FFTW:-no} = "no" ]]; then
  FFTW_FLAGS="--disable-fftw3"
else
  FFTW_FLAGS="--enable-fftw3 \
	  --with-fftw3-incdir=/usr/include \
	  --with-fftw3-libdir=/usr/lib${LIBDIRSUFFIX}"
fi

if [[ ${QT:-no} = "no" ]]; then
	QT_FLAGS="--disable-qt"
else
	QT_FLAGS="--enable-qt"
fi

# The place where our python modules are installed
PYTHONDIR=$(python -c "import sys, os; print os.path.join('/usr/lib${LIBDIRSUFFIX}', 'python%s' % sys.version[:3], 'site-packages')")

# Get the job number to use from the MAKEFLAGS
NUMJOBS=$(expr "$(echo $MAKEFLAGS)" : '\(-j[0-9]*\)' | sed "s|-j||" )

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvzf $CWD/$PRGNAM\_v$VERSION.source.tar.gz
mv $PRGNAM $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Make sure we use system libs and headers
rm -r graf3d/ftgl/{inc,src} || die
rm -r graf2d/freetype/src || die
rm -r graf3d/glew/{inc,src} || die
rm -r core/pcre/src || die
LANG=C LC_ALL=C find core/zip -type f -name "[a-z]*" -print0 | xargs -0 rm -f || die
rm -r core/lzma/src/*.tar.gz || die

# prefix where to install stuff
PREFIX=/usr/ROOT

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=$PREFIX \
  --libdir=$PREFIX/lib${LIBDIRSUFFIX} \
  --incdir=$PREFIX/include \
  --mandir=$PREFIX/man/man1 \
  --etcdir=$PREFIX/etc/root \
  --docdir=$PREFIX/doc/$PRGNAM-$VERSION \
  --enable-roofit \
  --enable-unuran \
  --disable-builtin-freetype \
  --disable-builtin-ftgl \
  --disable-builtin-glew \
  --disable-builtin-pcre \
  --disable-builtin-zlib \
  --disable-builtin-lzma \
  $GSL_FLAGS \
  $FFTW_FLAGS \
  $QT_FLAGS \
  --enable-shared \
  --build=$ARCH-slackware-linux

make -j $NUMJOBS
make install DESTDIR=$PKG

# Move some python stuff in the proper place
mkdir -p $PKG$PYTHONDIR
mv $PKG$PREFIX/lib$LIBDIRSUFFIX/*.py* $PKG$PREFIX/lib$LIBDIRSUFFIX/python/genreflex \
  $PKG$PYTHONDIR/
rm -fr $PKG$PREFIX/lib$LIBDIRSUFFIX/python

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

find $PKG$PREFIX/man -type f -exec gzip -9 {} \;

# Install some profile.d scripts to use the right paths
mkdir -p $PKG/etc/profile.d
echo "set path = ( \$path $PREFIX/bin )" > $PKG/etc/profile.d/root.csh
echo "setenv MANPATH \${MANPATH}:$PREFIX/man" >> $PKG/etc/profile.d/root.csh
echo "PATH=\$PATH:$PREFIX/bin" > $PKG/etc/profile.d/root.sh
echo "MANPATH=\$MANPATH:$PREFIX/man" >> $PKG/etc/profile.d/root.sh
chmod +x $PKG/etc/profile.d/root.*

cat $CWD/$PRGNAM.SlackBuild > $PKG$PREFIX/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed -e "s|@LIBDIRSUFFIX@|$LIBDIRSUFFIX|" -e "s|@PREFIX@|$PREFIX|" \
  $CWD/doinst.sh > $PKG/install/doinst.sh

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