audio/carla: Added (host for VST, DSSI, LADSPA, LV2 plugins).

Signed-off-by: David Spencer <idlemoor@slackbuilds.org>

audio/carla/README

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+Carla is a fully-featured audio plugin host, with support for many audio drivers
+and plugin formats.
+
+It's open source and licensed under the GNU General Public License, version 2 or
+later.
+
+It's also an internal audio and midi file player, remote control via OSC, Rack
+and Patchbay.
+
+Carla is a plugins host for VST, LADSPA, DSSI, LV2. A replacement for dssi-vst.
+
+Optional dependencies: fluidsynth, linuxsampler, projectM

audio/carla/carla.SlackBuild

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+#!/bin/sh
+# Slackware build script for <carla>
+#
+# Michales (clavisound) Michaloudes korgie@gmail.com <2018>
+
+PRGNAM=carla
+VERSION=${VERSION:-2.0beta6}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+SRCNAM=Carla
+SRCVER=1.9.8
+TARVER=2.0-beta6-src
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -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 $SRCNAM-$SRCVER
+tar xvf $CWD/${SRCNAM}_${TARVER}.tar.gz
+cd $SRCNAM-$SRCVER
+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 {} \;
+
+sed -i -e /CARLA_LIBDIR/s/\"lib\"/\"lib$LIBDIRSUFFIX\"/ data/carla-single
+
+make PREFIX=/usr LIBDIR=/usr/lib$LIBDIRSUFFIX
+make install PREFIX=/usr LIBDIR=/usr/lib$LIBDIRSUFFIX DESTDIR=$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
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  INSTALL.md README.md doc/* \
+  $PKG/usr/doc/$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}

audio/carla/carla.info

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+PRGNAM="carla"
+VERSION="2.0beta6"
+HOMEPAGE="http://kxstudio.linuxaudio.org/"
+DOWNLOAD="https://github.com/falkTX/Carla/releases/download/1.9.8/Carla_2.0-beta6-src.tar.gz"
+MD5SUM="279acb33716327c82516d6edb8ff6d13"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="jack-audio-connection-kit liblo python3-PyQt5"
+MAINTAINER="Michales Michaloudes"
+EMAIL="korgie@gmail.com"

audio/carla/doinst.sh

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+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
+fi
+
+if [ -x /usr/bin/update-mime-database ]; then
+  /usr/bin/update-mime-database usr/share/mime >/dev/null 2>&1
+fi
+
+if [ -e usr/share/icons/hicolor/icon-theme.cache ]; then
+  if [ -x /usr/bin/gtk-update-icon-cache ]; then
+    /usr/bin/gtk-update-icon-cache -f usr/share/icons/hicolor >/dev/null 2>&1
+  fi
+fi

audio/carla/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+     |-----handy-ruler------------------------------------------------------|
+carla: carla (host for VST, DSSI, LADSPA, LV2 plugins)
+carla:
+carla: carla is a fully-featured audio plugin host, with support
+carla: for many audio drivers and plugin formats.
+carla:
+carla: It's open source and licensed under the GNU General Public
+carla: License, version 2 or later.
+carla:
+carla: Also internal audio and midi file player, remote control via
+carla: OSC, Rack and Patchbay.
+carla: