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#!/bin/sh

# Slackware build script for guitarix
# Originally written by Michales Michaloudes (email removed)

# Modified by B. Watson <yalhcru@gmail.com>. Modified version released
# under the WTFPL, for details see http://www.wtfpl.net/txt/copying/

# Note to self: git URL for guitarix is:
# git://git.code.sf.net/p/guitarix/git/

# 20200408 kb6: Updated for 0.42.1. Add -fpermissive compiler flag.
# 20201105 bkw: Add no-upgrade note to README.
# 20200307 bkw: Updated for 3.39.0.
# 20191211 bkw: Updated for 0.38.1.
# 20180828 bkw: Updated for 0.37.3.

# 20180619 bkw:
# - Updated for 0.37.1.
# - Force building with bundled zita-convolver and resampler libs.
#   Previously, system libs would be linked if they were installed,
#   otherwise bundled libs were used... caused a problem if the
#   system zita-convolver was updated to an incompatible version.
# - Add config options to re-enable ladspa and lv2 mod-gui stuff that
#   used to be enabled by default in 0.36.1.
# - Add patches from upstream git, to fix segfaults when online
#   button gets clicked. Also if dbus isn't running, guitarix will now
#   actually say so, in its error message.
# - Move old changelog entries to ChangeLog.old.

# 20171223 bkw: Updated for 0.36.1.
# 20170825 bkw: Updated for 0.35.6. Install the bundled roboto font.
# 20170725 bkw: Updated for 0.35.5

# 20170710 bkw:
# - Updated for 0.35.4
# - Remove README stuff about webkitgtk, since upstream dropped it.
# - Add README.online with troubleshooting info. I had trouble
#   getting the new Online Presets stuff to work, so hopefully this
#   might help the next guy.

# 20170404 bkw:
# - Updated for 0.35.3
# - Use + rather than ; in find/chmod. Noticeably faster.

# 20170306 bkw:
# - Flip changelog comments right-side up
# - Stop writing outside of $TMP.

PRGNAM=guitarix
VERSION=${VERSION:-0.42.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686 -msse"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686 -msse"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

# Tarballs are now named "guitarix2-$VERSION", but the dir inside the
# tarball is still "guitarix-$VERSION".
TARNAME=${PRGNAM}2

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$TARNAME-$VERSION.tar.xz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# guitarix wants to install the roboto font in the wrong place for
# slackware.
sed -i '/fonts/s,\<truetype\>,TTF,' wscript tools/undiag

# this is no longer documented in README, but still here for debugging.
if [ "${LV2:-yes}" = "no" ]; then
  LV2OPT=--no-lv2
fi

# grrr, -DNDEBUG doesn't get added to the flags automatically...
LIBDIR="/usr/lib${LIBDIRSUFFIX}"
./waf configure \
  --prefix=/usr \
  --cxxflags-release="$SLKCFLAGS -DNDEBUG -fpermissive" \
  --ladspadir="$LIBDIR/ladspa/" \
  --lv2dir="$LIBDIR/lv2/" \
  --libdir="$LIBDIR" \
  --no-avahi \
  --no-ldconfig \
  --no-desktop-update \
  --no-faust \
  --includeresampler \
  --includeconvolver \
  --ladspa \
  --new-ladspa \
  --mod-lv2 \
  $EXTRAOPT \
  $LV2OPT
./waf build # -v # verbose, shows actual commands
./waf install --destdir=$PKG

# 20200307 bkw: 0.39.0 installs this in the wrong dir
if [ "$VERSION" = "0.39.0" ]; then
  mv $PKG/$LIBDIR/lv2/gx_wah.lv2/manifest.ttl $PKG/$LIBDIR/lv2/gx_colwah.lv2/
  rmdir $PKG/$LIBDIR/lv2/gx_wah.lv2
fi

# --install-roboto-font does the wrong thing, we'll install it manually.
mkdir -p $PKG/usr/share/fonts/TTF
install -m0644 fonts/* $PKG/usr/share/fonts/TTF

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

# Shared libraries are supposed to be +x.
chmod 755 $PKG/$LIBDIR/libgx*.so.?.?

# Man page written for this SlackBuild, see guitarix.rst.
mkdir -p $PKG/usr/man/man1
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING changelog README* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc -type f -exec chmod 0644 {} \;

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh  > $PKG/install/doinst.sh

# 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}