#!/bin/sh
# Slackware build script for Kst
# Based on Slackware 14.1 SlackBuild and AUR PKGBUILD for Kst
# Written by Fellype do Nascimento <fellype(at)gmail.com>
# last modification of this build script: 2014/12/10

PRGNAM=Kst
VERSION=${VERSION:-2.0.8}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i686 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST=i486
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST=i486
elif [ "$ARCH" = "x86_64" ]; then
 SLKCFLAGS="-O2 -fPIC"; SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar -zxvf $CWD/$PRGNAM-$VERSION.tar.gz
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 \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# Fix build failure with gsl-2.1 (gsl API change)
patch -p1 < $CWD/Kst_gsl2.patch

sed -i "s/find_package\(PythonLibs REQUIRED\)/SET \(PythonLibs \"\/usr\/lib${LIBDIRSUFFIX}\/libpython2.7.so\"\)/" \
./cmake/pyKst/CMakeLists.txt
sed -i "s/\${NUMPY_VERSION_PATCH}/0/" ./cmake/modules/FindNumPy.cmake
cp -r ./cmake/pyKst/* ./pyKst/
cmake ./ \
-Dkst_release=1 \
-Dkst_version_string=1 \
-Dkst_svnversion=0 \
-Dkst_python=1 \
-DPYTHON_EXECUTABLE=/usr/bin/python2.7 \
-Dkst_python_prefix=/usr/lib$LIBDIRSUFFIX/python2.7 \
-Dkst_install_prefix=/usr/ \
-Dkst_install_libdir=/usr/lib$LIBDIRSUFFIX
make install DESTDIR=$PKG


( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)

mv $PKG/usr/share/man $PKG/usr/
find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS COPYING* ChangeLog* INSTALL README* RELEASE.NOTES $PKG/usr/doc/$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

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