#!/bin/sh

# Slackware build script for calf

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

PRGNAM=calf
VERSION=${VERSION:-0.0.18.6}
BUILD=${BUILD:-2}
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

if [ "${EXPERIMENTAL:-no}" = "yes" ]; then
  EXPOPT=enable
else
  EXPOPT=disable
fi

if [ "${LADSPA:-yes}" = "no" ]; then
  LADSPA_OPT="--without-ladspa"
else
  LADSPA_OPT="--with-ladspa-dir=/usr/lib${LIBDIRSUFFIX}/ladspa"
fi

if [ "${DSSI:-yes}" = "no" ]; then
  DSSI_OPT="--without-dssi"
else
  DSSI_OPT="--with-dssi-dir=/usr/lib${LIBDIRSUFFIX}/dssi"
fi

if [ "${LV2:-yes}" = "no" ]; then
  LV2_OPT="--without-lv2"
else
  LV2_OPT="--with-lv2-dir=/usr/lib${LIBDIRSUFFIX}/lv2"
fi

echo "LADSPA_OPT: $LADSPA_OPT, DSSI_OPT: $DSSI_OPT, LV2_OPT: $LV2_OPT"

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 . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Fix for gcc-4.7.x
patch -p1 < $CWD/gcc47.patch

# Note: The build ignores the provided -O2 in the flags (but the
# -march/-mtune -fPIC stuff is used). If you really want to force
# it to use -O2 (Slackware default), set FORCE_SLACK_CFLAGS=yes
# in the environment.
if [ "${FORCE_SLACK_CFLAGS:-no}" = "yes" ]; then
  sed -i -e 's/ -O3[^"]*//' configure
fi

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --${EXPOPT}-experimental \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  $LADSPA_OPT \
  $DSSI_OPT \
  $LV2_OPT \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

# install-strip is supported, but doesn't work:
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYING* ChangeLog README TODO \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# This shouldn't be in the package:
rm -f $PKG/usr/share/icons/hicolor/icon-theme.cache

# Shipped .desktop file doesn't validate, use modified copy:
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

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}