#!/bin/sh

# variables
TAG=gwh
OUTPUT=/tmp
TMP=/tmp/$TAG
CWD=$(pwd)

PRGNAM=libev
PKG=$TMP/pkg-$PRGNAM

VERSION=4.03

EXT=tar.gz

DOCS="AUTHORS ChangeLog COPYING INSTALL NEWS README TODO"

ARCH=$(uname -m)
BUILD=1


PREFIX=/usr

SLCKFLAGS="-fPIC -O2"

# nettoyage préalable
rm -fr $PKG $TMP/$PRGNAM-$VERSION

mkdir -p $PKG

# mise en place
cd $TMP
[ ! -e $CWD/$PRGNAM-$VERSION.$EXT ] && wget -c http://dist.schmorp.de/libev/libev-4.03.tar.gz -O $CWD/$PRGNAM-$VERSION.$EXT
tar xf $CWD/$PRGNAM-$VERSION.$EXT
cd $PRGNAM-$VERSION

# configuration
CFLAGS=$SLCKFLAGS \
CPPFLAGS=$SLCKFLAGS \
./configure \
    --prefix=$PREFIX \
    --mandir=$PREFIX/man \
    --libdir=$PREFIX/lib$( [ $ARCH = "x86_64" ] && echo 64 )

# compilation
make -j3 PREFIX=$PREFIX

# installation
make install DESTDIR=$PKG

# correction
cd $PKG
chown -R root:root *

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cd $TMP/$PRGNAM-$VERSION
cp -R $DOCS $PKG/usr/doc/$PRGNAM-$VERSION

[ -d $PKG/usr/man ] && find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

# Strip binaries
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)


# embaumement
mkdir -p $PKG/install
cat <<EOF > $PKG/install/slack-desc
$PRGNAM: $PRGNAM (one line description here)
$PRGNAM:
$PRGNAM: More verbose description here, usually from the README file.
$PRGNAM: 
$PRGNAM: 
$PRGNAM: 
$PRGNAM: 
$PRGNAM: 
$PRGNAM:
$PRGNAM: see /usr/doc/$PRGNAM-$VERSION for more details
$PRGNAM:
EOF

# empaquetage
cd $PKG
rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | sed 's/-//g')-$ARCH-$BUILD$TAG.txz