#!/bin/sh

# Slackware build script for ecasound

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

PRGNAM=ecasound
VERSION=${VERSION:-2.9.1}
BUILD=${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 xvf $CWD/$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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Figure out the version number part of the python lib dir:
PYVER=$( python -c 'import sys; print "%d.%d" % sys.version_info[0:2]' )

# Hack configure script to work around a patch that was meant to work around
# broken debian systems (but what it really does is make configure ignore
# the --with-python-modules option; they get installed *outside the DESTDIR*
# too). Sigh.
patch -p1 < $CWD/python_module_dir.diff

# --disable-static and --enable-shared are accepted, but ignored.
# This is deliberate: upstream doesn't want shared libs. See:
# http://www.eca.cx/ecasound-list/2002/10/0031.html

CFLAGS="-g $SLKCFLAGS" \
CXXFLAGS="-g $SLKCFLAGS" \
./configure \
  --disable-arts \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --with-python-modules=/usr/lib$LIBDIRSUFFIX/python$PYVER \
  --enable-python-force-site-packages \
  --disable-all-static \
  --build=$ARCH-slackware-linux

make
make install-strip DESTDIR=$PKG

# Kind of a twist for a SlackBuild: bunch of identical man pages are getting
# installed, and we want them to be symlinks instead of copies.
cd $PKG/usr/man/man1
toolsum="$( cat ecatools.1 | md5sum )"
for manpage in $( /bin/ls * | grep -v ecatools ); do
  if [ "$toolsum" = "$( cat $manpage | md5sum )" ]; then
    rm -f $manpage
    ln -s ecatools.1 $manpage
  fi
done
cd -

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 BUGS COPYING* INSTALL README RELNOTES TODO \
  $PKG/usr/doc/$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

# Only add capability stuff if not disabled:
if [ "${SETCAP:-yes}" = "yes" ]; then
  cat $CWD/setcap.sh >> $PKG/install/doinst.sh
  # Only allow execution by audio group
  chown root:audio $PKG/usr/bin/$PRGNAM
  chmod 0750 $PKG/usr/bin/$PRGNAM
fi

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