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#!/bin/sh
# Slackware build script for <zita-alsa-pcmi>
# Written by Michales Michaloudes korgie@gmail.com <2014>


PRGNAM=zita-alsa-pcmi
VERSION=${VERSION:-0.2.0}
BUILD=${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

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar -xjvf $CWD/$PRGNAM-$VERSION.tar.bz2 || exit 1
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 {} \;

# compile libraries (mandatory).
# fix prefix, delete ldconfig
sed -i -e 's+/usr/local+/usr+' -e '/ldconfig/d' $TMP/$PRGNAM-$VERSION/libs/Makefile
cd $TMP/$PRGNAM-$VERSION/libs
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
make
make install DESTDIR=$PKG

# compile optional demo programs (you have to compile...
# .. twice for the library to recognized :/ )
### sed -i -e 's+/usr/local+/usr+' $TMP/$PRGNAM-$VERSION/apps/Makefile
### cd $TMP/$PRGNAM-$VERSION/apps

### CFLAGS="$SLKCFLAGS" \
### CXXFLAGS="$SLKCFLAGS" \
### make
### make install DESTDIR=$PKG

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 $TMP/$PRGNAM-$VERSION
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYING INSTALL \
  $PKG/usr/doc/$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

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