#!/bin/sh
# $Id: guitarix.SlackBuild,v 1.12 2026/04/15 20:31:18 root Exp root $
# Copyright 2020, 2021, 2022, 2025, 2026  Eric Hameleers <alien@slackware.com>
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
#   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#   IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
#   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
#   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
#   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#   SUCH DAMAGE.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:          Eric Hameleers <alien@slackware.com>
# For:         guitarix
# Descr:       mono guitar amplifier and FX for Jack using Faust
# URL:         http://guitarix.org/
# Build needs: sassc
# Needs:       faust, jack2, ladspa_sdk, liblo, liblrdf, lilv, lv2
# Changelog:   
# 0.40.0-1:    09/jun/2020 by Eric Hameleers <alien@slackware.com>
#              * Initial build.
# 0.41.0-1:    03/aug/2020 by Eric Hameleers <alien@slackware.com>
#              * Initial build.
# 0.41.0-2:    09/oct/2020 by Eric Hameleers <alien@slackware.com>
#              * Added X-DAW category to desktop file, for liveslak.
# 0.41.0-3:    29/oct/2020 by Eric Hameleers <alien@slackware.com>
#              * Recompiled against newer boost in slackware-current.
# 0.42.0-1:    20/dec/2020 by Eric Hameleers <alien@slackware.com>
#              * Update. Use faust.
# 0.42.1-1:    08/jan/2021 by Eric Hameleers <alien@slackware.com>
#              * Update.
# 0.42.1-2:    01/nov/2021 by Eric Hameleers <alien@slackware.com>
#              * Rebuilt against new icu4c.
# 0.43.1-1:    27/feb/2022 by Eric Hameleers <alien@slackware.com>
#              * Update.
# 0.46.0-1:    10/jan/2025 by Eric Hameleers <alien@slackware.com>
#              * Update. Still using internal copy of zita tools.
# 0.47.0-1:    15/apr/2026 by Eric Hameleers <alien@slackware.com>
#              * Update.
# 
# Run 'sh guitarix.SlackBuild' to build a Slackware package.
# The package (.t?z) and .txt file as well as build logs are created in /tmp .
# Install the package using 'installpkg' or 'upgradepkg --install-new'.
#
# -----------------------------------------------------------------------------

PRGNAM=guitarix
VERSION=${VERSION:-0.47.0}
BUILD=${BUILD:-1}
NUMJOBS=${NUMJOBS:-" -j$(nproc) "}
TAG=${TAG:-alien}

DOCS="COPYING README* changelog"

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

SOURCE="$SRCDIR/${PRGNAM}-${VERSION}.tar.xz"
SRCURL="https://github.com/brummer10/guitarix/releases/download/V${VERSION}/${PRGNAM}2-${VERSION}.tar.xz"

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$(uname -m)" in
    i?86) ARCH=i586 ;;
    arm*) readelf /usr/bin/file -A | egrep -q "Tag_CPU.*[4,5]" && ARCH=arm || ARCH=armv7hl ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *) ARCH=$(uname -m) ;;
  esac
  export ARCH
fi
# Set CFLAGS/CXXFLAGS and LIBDIRSUFFIX:
case "$ARCH" in
  i?86)      SLKCFLAGS="-O2 -march=${ARCH} -mtune=i686 -mfxsr"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  armv7hl)   SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  *)         SLKCFLAGS=${SLKCFLAGS:-"-O2"}
             SLKLDFLAGS=${SLKLDFLAGS:-""}; LIBDIRSUFFIX=${LIBDIRSUFFIX:-""}
             ;;
esac

case "$ARCH" in
    arm*)    TARGET=$ARCH-slackware-linux-gnueabi ;;
    *)       TARGET=$ARCH-slackware-linux ;;
esac

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Save old umask and set to 0022:
_UMASK_=$(umask)
umask 0022

# Create working directories:
mkdir -p $OUTPUT          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
mkdir -p $PKG             # place for the package to be built
rm -rf $PKG/*             # always erase old package's contents
rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
rm -rf $OUTPUT/{checkout,configure,make,install,error,makepkg,patch}-$PRGNAM.log
                          # remove old log files

# Source file availability:
if ! [ -f ${SOURCE} ]; then
  echo "Source '$(basename ${SOURCE})' not available yet..."
  # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
  [ -w "$SRCDIR" ] || SOURCE="$OUTPUT/$(basename $SOURCE)"
  if [ -f ${SOURCE} ]; then echo "Ah, found it!"; continue; fi
  if ! [ "x${SRCURL}" == "x" ]; then
    echo "Will download file to $(dirname $SOURCE)"
    wget --no-check-certificate -nv -T 20 -O "${SOURCE}" "${SRCURL}" || true
    if [ $? -ne 0 -o ! -s "${SOURCE}" ]; then
      echo "Downloading '$(basename ${SOURCE})' failed... aborting the build."
      mv -f "${SOURCE}" "${SOURCE}".FAIL
      exit 1
    fi
  else
    echo "File '$(basename ${SOURCE})' not available... aborting the build."
    exit 1
  fi
fi

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP/tmp-$PRGNAM
echo "Extracting the source archive(s) for $PRGNAM..."
tar -xf ${SOURCE}
cd ${PRGNAM}-${VERSION}

# Compatibility with boost-1.89:
cat $SRCDIR/patches/guitarix_boost189.patch | patch -p1 --verbose \
  2>&1 | tee $OUTPUT/patch-${PRGNAM}.log

chown -R root:root .
chmod -R u+w,go+r-w,a+rX-st .

# To prevent a 'fatal error: include file not found' when using internal zita:
ZITA_INCL="$(find $TMP/tmp-$PRGNAM/${PRGNAM}-${VERSION}/src/ -type d -name "zita-resampler-*")"

echo Building ...
export CXXFLAGS="$SLKCFLAGS"
export CFLAGS="$SLKCFLAGS -I${ZITA_INCL} -DNDEBUG"
export LINKFLAGS="$SLKLDFLAGS -ldl"
./waf configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --enable-lfs \
  --enable-nls \
  --includeresampler \
  --includeconvolver \
  --shared-lib \
  --lib-dev \
  --no-avahi \
  --no-desktop-update \
  --no-ldconfig \
  --install-roboto-font \
  --fontdir=/usr/share/fonts/TTF \
  --no-font-cache-update \
  --cxxflags-release="$SLKCFLAGS -I${ZITA_INCL} -DNDEBUG" \
  --ldflags="${SLKLDFLAGS} -ldl"
  2>&1 | tee $OUTPUT/configure-${PRGNAM}.log

./waf -v 2>&1 | tee $OUTPUT/make-${PRGNAM}.log
./waf --destdir=$PKG install -v 2>&1 | tee $OUTPUT/install-${PRGNAM}.log

# Add 'X-DAW' category to the desktop file (for liveslak):
for DESKTOPF in $PKG/usr/share/applications/*.desktop ; do
  if ! grep -q X-DAW $DESKTOPF ; then
    sed -i $DESKTOPF \
      -e "s/^Categories=\(.*\)/Categories=X-DAW;\1/"
  fi
done

# Only allow execution by user in 'audio' group:
chown root:audio $PKG/usr/bin/*
chmod 0750 $PKG/usr/bin/*

# Add this to the doinst.sh:
mkdir -p $PKG/install
cat <<EOINS >> $PKG/install/doinst.sh
# Give all binaries in the package realtime capabilities:
if [ -x /sbin/setcap ]; then
  GUITBINS=( $(cd $PKG/usr/bin ; find . -type f -printf '%P\n') )
  for EXE in \${GUITBINS[@]}; do
    /sbin/setcap cap_ipc_lock,cap_sys_nice=ep usr/bin/\$EXE
  done
fi

# Update the desktop database:
if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database usr/share/applications > /dev/null 2>&1
fi

# Update hicolor theme cache:
if [ -d usr/share/icons/hicolor ]; then
  if [ -x /usr/bin/gtk-update-icon-cache ]; then
    chroot . /usr/bin/gtk-update-icon-cache -f -t usr/share/icons/hicolor 1> /dev/null 2> /dev/null
  fi
fi

# Update the mime database:
if [ -x usr/bin/update-mime-database ]; then
  chroot . /usr/bin/update-mime-database usr/share/mime >/dev/null 2>&1
fi

# Update the font cache:
if [ -x usr/bin/fc-cache ]; then
  chroot . /usr/bin/fc-cache -f usr/share/fonts/TTF
fi
EOINS

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

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

# Add a package description:
mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc
cat $SRCDIR/slack-required > $PKG/install/slack-required

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt
cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.dep

# Restore the original umask:
umask ${_UMASK_}