Use QPair<int, float> for control points instead of QVector<float>

Implement `LV2_OPTIONS__options` feature and some buf-size properties.

The code currently assumes that the LMMS buffersize never changes, which
is currently true in the LMMS code base.

.appveyor.yml

@@ -0,0 +1,31 @@
+clone_depth: 1
+version: "{build}"
+image: Visual Studio 2017
+platform:
+  - x86
+  - x64
+environment:
+  matrix:
+    - compiler: msvc
+install:
+  - cd C:\Tools\vcpkg
+  - git pull
+  - .\bootstrap-vcpkg.bat
+  - cd %APPVEYOR_BUILD_FOLDER%
+  - vcpkg install --triplet %PLATFORM%-windows --recurse fftw3 libsamplerate libsndfile lilv lv2 sdl2
+  - nuget install clcache -Version 4.1.0
+build_script:
+  - cd %APPVEYOR_BUILD_FOLDER%
+  - mkdir build
+  - cd build
+  - ps: $env:CMAKE_PLATFORM="$(if ($env:PLATFORM -eq 'x64') { 'x64' } else { '' })"
+  - ps: $env:QT_SUFFIX="$(if ($env:PLATFORM -eq 'x64') { '_64' } else { '' })"
+  - cmake -DUSE_COMPILE_CACHE=ON -DCACHE_TOOL=%APPVEYOR_BUILD_FOLDER%/clcache.4.1.0/clcache-4.1.0/clcache.exe -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_PREFIX_PATH=c:/Qt/5.12/msvc2017%QT_SUFFIX%;c:/tools/vcpkg/installed/%PLATFORM%-windows -DCMAKE_GENERATOR_PLATFORM="%CMAKE_PLATFORM%" ..
+  - cmake --build . -- /maxcpucount:4
+  - cmake --build . --target tests
+  - cmake --build . --target package
+artifacts:
+  - path: 'build\lmms-*.exe'
+    name: Installer
+cache:
+  - c:/tools/vcpkg/installed

.circleci/config.yml

@@ -0,0 +1,222 @@
+version: 2
+
+shared:
+  restore_cache: &restore_cache
+    restore_cache:
+      keys:
+        - ccache-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ .Branch }}
+        - ccache-{{ arch }}-{{ .Environment.CIRCLE_JOB }}
+        - ccache-{{ arch }}
+  save_cache: &save_cache
+    save_cache:
+      key: ccache-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ .Branch }}-{{ .BuildNum }}
+      paths:
+        - ~/.ccache
+  restore_homebrew_cache: &restore_homebrew_cache
+    restore_cache:
+      keys:
+        - homebrew-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ .Branch }}
+        - homebrew-{{ arch }}-{{ .Environment.CIRCLE_JOB }}
+        - homebrew-{{ arch }}
+  save_homebrew_cache: &save_homebrew_cache
+    save_cache:
+      key: homebrew-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ .Branch }}-{{ .BuildNum }}
+      paths:
+        - ~/Library/Caches/Homebrew
+        - /usr/local/Homebrew
+
+  ccache_stats: &ccache_stats
+    run:
+      name: Print ccache statistics
+      command: |
+        echo "[ccache config]"
+        ccache -p
+        echo "[ccache stats]"
+        ccache -s
+
+  # Commmon initializing commands
+  init: &init
+    run:
+      name: Initialize
+      command: |
+        mkdir -p /tmp/artifacts
+        # Workaround for failing submodule fetching
+        git config --global --unset url."ssh://git@github.com".insteadOf || true
+        if [[ -n "${CIRCLE_PR_NUMBER}" ]]
+        then
+            echo "Fetching out merged pull request"
+            git fetch -u origin refs/pull/${CIRCLE_PR_NUMBER}/merge:pr/merge
+            git checkout pr/merge
+        else
+            echo "Not a pull request"
+        fi
+
+  # Commmon environment variables
+  common_environment: &common_environment
+    QT5: True
+    CMAKE_OPTS: -DUSE_WERROR=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo -DUSE_CCACHE=ON
+    CCACHE_MAXSIZE: 500M
+    CCACHE_LOGFILE: /tmp/artifacts/ccache.log
+    MAKEFLAGS: -j6
+
+jobs:
+  mingw32:
+    environment:
+      <<: *common_environment
+    docker:
+      - image: lmmsci/linux.mingw32:18.04
+    steps:
+      - checkout
+      - *init
+      - *restore_cache
+      - run:
+          name: Building
+          command: |
+            mkdir build && cd build
+            ../cmake/build_win32.sh
+            make lmms
+            make
+      - run:
+          name: Build tests
+          command: cd build && make tests
+      - run:
+          name: Build installer
+          command: |
+            cd build
+            make package
+            cp ./lmms-*.exe /tmp/artifacts/
+      - store_artifacts:
+          path: /tmp/artifacts/
+          destination: /
+      - *ccache_stats
+      - *save_cache
+  mingw64:
+    environment:
+      <<: *common_environment
+    docker:
+      - image: lmmsci/linux.mingw64:18.04
+    steps:
+      - checkout
+      - *init
+      - *restore_cache
+      - run:
+          name: Building
+          command: |
+            mkdir build && cd build
+            ../cmake/build_win64.sh
+            make
+      - run:
+          name: Build tests
+          command: cd build && make tests
+      - run:
+          name: Build installer
+          command: |
+            cd build
+            make package
+            cp ./lmms-*.exe /tmp/artifacts/
+      - store_artifacts:
+          path: /tmp/artifacts/
+          destination: /
+      - *ccache_stats
+      - *save_cache
+  linux.gcc:
+    docker:
+      - image: lmmsci/linux.gcc:16.04
+    environment:
+      <<: *common_environment
+    steps:
+      - checkout
+      - *init
+      - *restore_cache
+      - run:
+          name: Configure
+          command: |
+            source /opt/qt5*/bin/qt5*-env.sh || true
+            mkdir build && cd build
+            cmake .. $CMAKE_OPTS -DCMAKE_INSTALL_PREFIX=./install
+      - run:
+          name: Build
+          command: cd build && make
+      - run:
+          name: Build tests
+          command: cd build && make tests
+      - run:
+          name: Run tests
+          command: build/tests/tests
+      - *ccache_stats
+      - run:
+          name: Build AppImage
+          command: |
+            cd build
+            make install
+            make appimage || (cat appimage.log && false)
+            cp ./lmms-*.AppImage /tmp/artifacts/
+      - store_artifacts:
+          path: /tmp/artifacts/
+          destination: /
+      - store_artifacts:
+          path: build/appimage.log
+          destination: /
+      - *save_cache
+  shellcheck:
+    docker:
+      - image: koalaman/shellcheck-alpine:v0.4.6
+    steps:
+      - checkout
+      - run:
+          name: Shellcheck
+          command: shellcheck $(find "./cmake/" -type f -name '*.sh' -o -name "*.sh.in")
+  macos:
+    environment:
+      <<: *common_environment
+    macos:
+      xcode: "10.3.0"
+    steps:
+      - checkout
+      - *init
+      - *restore_homebrew_cache
+      - *restore_cache
+      - run:
+          name: Install Homebrew dependencies
+          command: |
+            # uninstall Homebrew's python 2 to prevent errors on brew install
+            brew uninstall python@2 || true
+            brew update && brew install ccache fftw cmake pkg-config libogg libvorbis lame libsndfile libsamplerate jack sdl libgig libsoundio lilv lv2 stk fluid-synth portaudio fltk qt5 carla
+      - run:
+          name: Install nodejs dependencies
+          command: npm install -g appdmg
+      - run:
+          name: Building
+          command: |
+            mkdir build && cd build
+            cmake .. -DCMAKE_INSTALL_PREFIX="../target" -DCMAKE_PREFIX_PATH="$(brew --prefix qt5)" $CMAKE_OPTS -DUSE_WERROR=OFF
+            make
+      - run:
+          name: Build tests
+          command: cd build && make tests
+      - run:
+          name: Run tests
+          command: build/tests/tests
+      - run:
+          name: Build DMG
+          command: |
+            cd build
+            make install
+            make dmg
+            cp ./lmms-*.dmg /tmp/artifacts/
+      - store_artifacts:
+          path: /tmp/artifacts/
+          destination: /
+      - *save_cache
+      - *save_homebrew_cache
+
+
+workflows:
+  version: 2
+  build-and-test:
+    jobs:
+      - macos
+      - mingw32
+      - mingw64
+      - linux.gcc
+      - shellcheck

.editorconfig

@@ -0,0 +1,5 @@
+root = true
+
+[*]
+indent_style = tab
+tab_width = 4

.github/FUNDING.yml

@@ -0,0 +1 @@
+custom: https://lmms.io/get-involved/#donate

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,36 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+# Please search the issue tracker for existing bug reports before submitting your own. Delete this line to confirm no similar report has been posted yet.
+
+### Bug Summary
+
+#### Steps to reproduce
+
+#### Expected behavior
+
+#### Actual behavior
+
+#### Screenshot
+
+#### Affected LMMS versions
+
+<!--
+LMMS's version is visible on the splash screen and under Help > About.
+If your version isn't from lmms.io/download, please note which branch it was built from.
+Finally, if possible, please test if the bug occurs on both stable and master.
+-->
+
+#### Logs
+<details>
+  <summary>Click to expand</summary>
+<pre>
+<!-- paste logs here -->
+</pre>
+</details>

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,4 @@
+contact_links:
+- name: Get help on Discord
+  url: https://lmms.io/chat/
+  about: Need help? Have a question? Reach out to other LMMS users on our Discord server!

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+# Please search the issue tracker for existing feature requests before submitting your own. Delete this line to confirm no similar request has been posted yet.
+
+### Enhancement Summary
+
+#### Justification
+
+#### Mockup
+
+<!-- If your request encompasses changes to the user interface, provide a mockup of your proposal here -->

.github/no-response.yml

@@ -0,0 +1,2 @@
+# Label requiring a response
+responseRequiredLabel: "response required"

.gitignore

@@ -1,6 +1,7 @@
 /build
 /target
 .*.sw?
+.DS_Store
 *~
 /CMakeLists.txt.user
 /plugins/zynaddsubfx/zynaddsubfx/ExternalPrograms/Controller/Makefile

.gitmodules

@@ -0,0 +1,51 @@
+[submodule "src/3rdparty/qt5-x11embed"]
+	path = src/3rdparty/qt5-x11embed
+	url = https://github.com/Lukas-W/qt5-x11embed.git
+[submodule "src/3rdparty/rpmalloc/rpmalloc"]
+	path = src/3rdparty/rpmalloc/rpmalloc
+	url = https://github.com/mjansson/rpmalloc.git
+[submodule "plugins/zynaddsubfx/zynaddsubfx"]
+	path = plugins/zynaddsubfx/zynaddsubfx
+	url = https://github.com/lmms/zynaddsubfx.git
+[submodule "plugins/FreeBoy/game-music-emu"]
+	path = plugins/FreeBoy/game-music-emu
+	url = https://bitbucket.org/mpyne/game-music-emu.git
+[submodule "plugins/OpulenZ/adplug"]
+	path = plugins/OpulenZ/adplug
+	url = https://github.com/adplug/adplug.git
+[submodule "plugins/LadspaEffect/calf/veal"]
+	path = plugins/LadspaEffect/calf/veal
+	url = https://github.com/lmms/veal
+[submodule "plugins/Xpressive/exprtk"]
+	path = plugins/Xpressive/exprtk
+	url = https://github.com/ArashPartow/exprtk
+[submodule "plugins/LadspaEffect/swh/ladspa"]
+	path = plugins/LadspaEffect/swh/ladspa
+	url = https://github.com/swh/ladspa
+[submodule "plugins/LadspaEffect/tap/tap-plugins"]
+	path = plugins/LadspaEffect/tap/tap-plugins
+	url = https://github.com/tomszilagyi/tap-plugins
+[submodule "src/3rdparty/weakjack/weakjack"]
+	path = src/3rdparty/weakjack/weakjack
+	url = https://github.com/x42/weakjack.git
+[submodule "src/3rdparty/mingw-std-threads"]
+	path = src/3rdparty/mingw-std-threads
+	url = https://github.com/meganz/mingw-std-threads.git
+[submodule "doc/wiki"]
+	path = doc/wiki
+	url = https://github.com/lmms/lmms.wiki.git
+[submodule "src/3rdparty/ringbuffer"]
+	path = src/3rdparty/ringbuffer
+	url = https://github.com/JohannesLorenz/ringbuffer.git
+[submodule "plugins/carlabase/carla"]
+	path = plugins/carlabase/carla
+	url = https://github.com/falktx/carla
+[submodule "plugins/sid/resid"]
+	path = plugins/Sid/resid
+	url = https://github.com/simonowen/resid
+[submodule "src/3rdparty/jack2"]
+	path = src/3rdparty/jack2
+	url = https://github.com/jackaudio/jack2
+[submodule "plugins/LadspaEffect/cmt/cmt"]
+	path = plugins/LadspaEffect/cmt/cmt
+	url = https://github.com/lmms/cmt

.mailmap

@@ -1,5 +1,5 @@
 Alexandre Almeida <wilsalx@gmail.com> <meta.lx@hotmail.com>
-Tobias Doerffel <tobias.doerffel@gmail.com>
+Tobias Junghans <tobias.doerffel@gmail.com>
 Dave French <dave.french3@googlemail.com>
 Paul Giblock <drfaygo@gmail.com> <pgib@users.sf.net>
 Paul Giblock <drfaygo@gmail.com> <p@pgiblock.net>
@@ -25,3 +25,9 @@ midi-pascal <midi-pascal@videotron.ca> <pascal@TDE.(none)>
 Thomas Clark <the.thomas.j.clark@gmail.com>
 Thomas Clark <the.thomas.j.clark@gmail.com> <tjclark@wpi.edu>
 anonymous <support@lmms.io> Locale updater <>
+grejppi <grejppi@gmail.com>
+Johannes Lorenz <j.git@lorenz-ho.me> <johannes89@mailueberfall.de>
+Johannes Lorenz <j.git@lorenz-ho.me> <1042576+JohannesLorenz@users.noreply.github.com>
+Noah Brecht <noahb2713@gmail.com>
+Olivier Humbert <trebmuh@tuxfamily.org> <trebmuh@users.noreply.github.com>
+Hussam al-Homsi <sawuare@gmail.com> Hussam Eddin Alhomsi <hussameddin.alhomsi@gmail.com>

.travis.yml

@@ -1,44 +1,33 @@
 language: cpp
 compiler: gcc
-dist: trusty
+dist: xenial
 sudo: required
+cache:
+    directories:
+        - $HOME/apt_mingw_cache
+        - $HOME/.ccache
+        - $HOME/pbuilder-bases
 matrix:
     include:
-        - env: TARGET_OS=win32
-        - env: TARGET_OS=win64
+        - env: TYPE=style
+        - os: linux
+        - env: TARGET_OS=debian-sid TARGET_DEPLOY=True
+          git:
+              depth: false
+        - env: TARGET_OS=debian-sid TARGET_ARCH=i386
+          git:
+              depth: false
+        - compiler: clang
+          env: TARGET_OS=debian-sid
+          git:
+              depth: false
         - os: osx
-          osx_image: xcode8.2
-        - env: QT5=True
-        - env: QT5=True TARGET_OS=win32
-        - env: QT5=True TARGET_OS=win64
-        - os: osx
-          env: QT5=True
+          osx_image: xcode10.3
 before_install:
-   - . ${TRAVIS_BUILD_DIR}/.travis/${TRAVIS_OS_NAME}.${TARGET_OS}.before_install.sh
-install:
-    - . ${TRAVIS_BUILD_DIR}/.travis/${TRAVIS_OS_NAME}.${TARGET_OS}.install.sh
-before_script:
-    - mkdir build && cd build
-script:
-    - . ${TRAVIS_BUILD_DIR}/.travis/${TRAVIS_OS_NAME}.${TARGET_OS}.script.sh
-    - make -j4
-    - if [[ $TARGET_OS != win* ]]; then make tests && ./tests/tests; fi;
-before_deploy: make package
-deploy:
-    provider: releases
-    api_key:
-        secure: d4a+x4Gugpss7JK2DcHjyBZDmEFFh4iVfKDfITSD50T6Mc6At4LMgojvEu+6qT6IyOY2vm3UVT6fhyeuWDTRDwW9tfFlaHVA0h8aTRD+eAXOA7pQ8rEMwQO3+WCKuKTfEqUkpL4wxhww8dpkv54tqeIs0S4TBqz9tk8UhzU7XbE=
-    file: lmms-${TRAVIS_TAG:1}-$TARGET_OS.exe
-    skip_cleanup: true
-    on:
-        tags: true
-        all_branches: true
-        condition: '("$TARGET_OS" = win??) && "$QT5"'
-    repo: LMMS/lmms
-notifications:
-    webhooks:
-       urls:
-           - https://webhooks.gitter.im/e/1ac7fc698195981a9227
-       on_success: change  # options: [always|never|change] default: always
-       on_failure: always  # options: [always|never|change] default: always
-       on_start: never     # options: [always|never|change] default: always 
+    # appdmg doesn't work with old Node.js
+    - if [ "$TRAVIS_OS_NAME" = osx ]; then nvm install 10; fi
+install: ${TRAVIS_BUILD_DIR}/.travis/install.sh
+script: ${TRAVIS_BUILD_DIR}/.travis/script.sh
+after_script: ${TRAVIS_BUILD_DIR}/.travis/after_script.sh
+before_deploy:
+    - if [ "$TARGET_OS" != debian-sid ]; then make package; fi

.travis/after_script.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ "$TYPE" != 'style' ]; then
+	ccache -s
+fi

.travis/ccache.sha256

@@ -0,0 +1 @@
+0de866bc0ee26de392e037104b174474989a830e2249280a136144baa44557aa ccache_3.2.4-1_amd64.deb

.travis/debian_pkgs.sha256

@@ -0,0 +1,3 @@
+314ef4af137903dfb13e8c3ef1e6ea56cfdb23808d52ec4f5f50e288c73610c5  pbuilder_0.229.1_all.deb
+fa82aa8ed3055c6f6330104deedf080b26778295e589426d4c4dd0f2c2a5defa  debootstrap_1.0.95_all.deb
+2ef4c09f7841b72f93412803ddd142f72658536dbfabe00e449eb548f432f3f8  debian-archive-keyring_2017.7ubuntu1_all.deb

.travis/install.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ "$TYPE" = 'style' ]; then
+	sudo apt-get -yqq update
+	sudo apt-get install shellcheck
+else
+	"$TRAVIS_BUILD_DIR/.travis/$TRAVIS_OS_NAME.$TARGET_OS.before_install.sh"
+	"$TRAVIS_BUILD_DIR/.travis/$TRAVIS_OS_NAME.$TARGET_OS.install.sh"
+fi

.travis/linux..before_install.sh

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 
-sudo add-apt-repository ppa:andrewrk/libgroove -y
-sudo sed -e "s/trusty/precise/" -i \
-	/etc/apt/sources.list.d/andrewrk-libgroove-trusty.list
+set -e
+
+sudo add-apt-repository ppa:beineri/opt-qt592-xenial -y
 
 sudo dpkg --add-architecture i386
 sudo apt-get update -qq || true

.travis/linux..install.sh

@@ -1,17 +1,23 @@
 #!/usr/bin/env bash
 
-PACKAGES="cmake libsndfile-dev fftw3-dev libvorbis-dev  libogg-dev
-	libasound2-dev libjack-dev libsdl-dev libsamplerate0-dev libstk0-dev
-	libfluidsynth-dev portaudio19-dev wine-dev g++-multilib libfltk1.3-dev
-	libgig-dev libsoundio-dev"
+set -e
+
+PACKAGES="cmake libsndfile-dev fftw3-dev libvorbis-dev libogg-dev libmp3lame-dev
+	libasound2-dev libjack-jackd2-dev libsdl-dev libsamplerate0-dev libstk0-dev stk
+	libfluidsynth-dev portaudio19-dev g++-multilib libfltk1.3-dev fluid
+	libgig-dev libsoundio-dev qt59base qt59translations qt59tools"
+
+# swh build dependencies
+SWH_PACKAGES="perl libxml2-utils libxml-perl liblist-moreutils-perl"
+
+# VST dependencies
+VST_PACKAGES="wine-dev qt59x11extras qtbase5-private-dev libxcb-util0-dev libxcb-keysyms1-dev"
+
+# LV2 dependencies; libsuil-dev is not required
+LV2_PACKAGES="lv2-dev liblilv-dev"
 
 # Help with unmet dependencies
-PACKAGES="$PACKAGES libjack0"
-
-if [ $QT5 ]; then
-	PACKAGES="$PACKAGES qtbase5-dev qttools5-dev-tools qttools5-dev"
-else
-	PACKAGES="$PACKAGES libqt4-dev"
-fi
+PACKAGES="$PACKAGES $SWH_PACKAGES $VST_PACKAGES $LV2_PACKAGES libjack-jackd2-0"
 
+# shellcheck disable=SC2086
 sudo apt-get install -y $PACKAGES

.travis/linux..script.sh

@@ -1,3 +1,15 @@
 #!/usr/bin/env bash
+unset QTDIR QT_PLUGIN_PATH LD_LIBRARY_PATH
+# shellcheck disable=SC1091
+source /opt/qt59/bin/qt59-env.sh
 
-cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DUSE_WERROR=ON -DWANT_QT5=$QT5 ..
+set -e
+
+mkdir build
+cd build
+
+# shellcheck disable=SC2086
+cmake -DUSE_WERROR=ON -DCMAKE_INSTALL_PREFIX=../target $CMAKE_FLAGS ..
+make -j4
+make tests
+./tests/tests

.travis/linux.debian-sid.before_install.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+sudo apt-get update -qq

.travis/linux.debian-sid.install.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+set -e
+
+sudo apt-get install -y \
+	dpkg \
+	pbuilder
+
+# work around a pbuilder bug which breaks ccache
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=666525
+# and also missing signing keys in Trusty's debian-archive-keyring
+cd /tmp
+wget http://archive.ubuntu.com/ubuntu/pool/main/p/pbuilder/pbuilder_0.229.1_all.deb
+wget http://archive.ubuntu.com/ubuntu/pool/main/d/debootstrap/debootstrap_1.0.95_all.deb
+wget http://archive.ubuntu.com/ubuntu/pool/universe/d/debian-archive-keyring/debian-archive-keyring_2017.7ubuntu1_all.deb
+sha256sum -c "$TRAVIS_BUILD_DIR/.travis/debian_pkgs.sha256"
+sudo dpkg -i pbuilder_0.229.1_all.deb debootstrap_1.0.95_all.deb debian-archive-keyring_2017.7ubuntu1_all.deb
+cd "$OLDPWD"

.travis/linux.debian-sid.script.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+set -e
+
+: "${TARGET_ARCH:=amd64}"
+
+BASETGZ="$HOME/pbuilder-bases/debian-sid-$TARGET_ARCH.tgz"
+MIRROR=http://cdn-fastly.deb.debian.org/debian
+KEYRING=/usr/share/keyrings/debian-archive-keyring.gpg
+
+if [ -z "$TRAVIS_TAG" ]
+then
+	sudo \
+	sh -c "echo CCACHEDIR=$HOME/.ccache >> /etc/pbuilderrc"
+fi
+
+if [ "$CC" = clang ]
+then
+	sudo sh -c "echo EXTRAPACKAGES=clang >> /etc/pbuilderrc"
+fi
+
+if [ ! -e "$BASETGZ.stamp" ]
+then
+	mkdir -p "$HOME/pbuilder-bases"
+	sudo pbuilder --create --basetgz "$BASETGZ" --mirror $MIRROR \
+		--distribution sid --architecture $TARGET_ARCH \
+		--debootstrapopts --variant=buildd \
+		--debootstrapopts --keyring=$KEYRING \
+		--debootstrapopts --include=perl
+	touch "$BASETGZ.stamp"
+else
+	sudo pbuilder --update --basetgz "$BASETGZ"
+fi
+
+sync_version() {
+	local VERSION
+	local MMR
+	local STAGE
+	local EXTRA
+
+	VERSION=$(git describe --tags --match v[0-9].[0-9].[0-9]*)
+	VERSION=${VERSION#v}
+	MMR=${VERSION%%-*}
+	case $VERSION in
+	*-*-*-*)
+		VERSION=${VERSION%-*}
+		STAGE=${VERSION#*-}
+		STAGE=${STAGE%-*}
+		EXTRA=${VERSION##*-}
+		VERSION=$MMR~$STAGE.$EXTRA
+		;;
+	*-*-*)
+		VERSION=${VERSION%-*}
+		EXTRA=${VERSION##*-}
+		VERSION=$MMR.$EXTRA
+		;;
+	*-*)
+		STAGE=${VERSION#*-}
+		VERSION=$MMR~$STAGE
+		;;
+	esac
+
+	sed "1 s/@VERSION@/$VERSION/" -i debian/changelog
+	echo "Set Debian version to $VERSION"
+}
+
+sync_version
+
+DIR="$PWD"
+cd ..
+dpkg-source -b "$DIR"
+env -i CC="$CC" CXX="$CXX" sudo pbuilder --build --debbuildopts "--jobs=auto" \
+	--basetgz "$BASETGZ" ./*.dsc

.travis/linux.win.download.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -e
+
+CACHE_DIR=$HOME/apt_mingw_cache/$1
+mkdir -p "$CACHE_DIR"
+
+pushd "$CACHE_DIR"
+
+# shellcheck disable=SC2086
+apt-get --print-uris --yes install $MINGW_PACKAGES | grep ^\' | cut -d\' -f2 > downloads.list
+wget -N --input-file downloads.list
+
+sudo cp ./*.deb /var/cache/apt/archives/
+
+popd

.travis/linux.win32.before_install.sh

@@ -1,4 +1,6 @@
 #!/usr/bin/env bash
 
+set -e
+
 sudo add-apt-repository ppa:tobydox/mingw-x-trusty -y
 sudo apt-get update -qq

.travis/linux.win32.install.sh

@@ -1,16 +1,29 @@
 #!/usr/bin/env bash
 
-PACKAGES="nsis cloog-isl libmpc3 qt4-linguist-tools mingw32
-	mingw32-x-sdl mingw32-x-libvorbis mingw32-x-fluidsynth mingw32-x-stk
+set -e
+
+MINGW_PACKAGES="mingw32-x-sdl mingw32-x-libvorbis mingw32-x-fluidsynth mingw32-x-stk
 	mingw32-x-glib2 mingw32-x-portaudio mingw32-x-libsndfile mingw32-x-fftw
 	mingw32-x-flac mingw32-x-fltk mingw32-x-libsamplerate
 	mingw32-x-pkgconfig mingw32-x-binutils mingw32-x-gcc mingw32-x-runtime
-	mingw32-x-libgig mingw32-x-libsoundio"
+	mingw32-x-libgig mingw32-x-libsoundio mingw32-x-lame mingw32-x-qt5base"
 
-if [ $QT5 ]; then
-	PACKAGES="$PACKAGES mingw32-x-qt5base"
-else
-	PACKAGES="$PACKAGES mingw32-x-qt"
-fi
+# swh build dependencies
+SWH_PACKAGES="perl libxml2-utils libxml-perl liblist-moreutils-perl"
 
+export MINGW_PACKAGES
+
+"$TRAVIS_BUILD_DIR/.travis/linux.win.download.sh" win32
+
+PACKAGES="nsis cloog-isl libmpc3 qt4-linguist-tools mingw32 $MINGW_PACKAGES $SWH_PACKAGES"
+
+# shellcheck disable=SC2086
 sudo apt-get install -y $PACKAGES
+
+# ccache 3.2 is needed because mingw32-x-gcc is version 4.9, which causes cmake
+# to use @file command line passing, which in turn ccache 3.1.9 doesn't support
+pushd /tmp
+wget http://archive.ubuntu.com/ubuntu/pool/main/c/ccache/ccache_3.2.4-1_amd64.deb
+sha256sum -c "$TRAVIS_BUILD_DIR/.travis/ccache.sha256"
+sudo dpkg -i ccache_3.2.4-1_amd64.deb
+popd

.travis/linux.win32.script.sh

@@ -1,4 +1,11 @@
 #!/usr/bin/env bash
+set -e
 
-export CMAKE_OPTS="-DUSE_WERROR=ON"
-../cmake/build_mingw32.sh
+mkdir build
+cd build
+
+export CMAKE_OPTS="$CMAKE_FLAGS -DUSE_WERROR=ON"
+../cmake/build_win32.sh
+
+make -j4
+make tests

.travis/linux.win64.before_install.sh

@@ -1,3 +1,5 @@
 #!/usr/bin/env bash
 
-. .travis/linux.win32.before_install.sh
+set -e
+
+"$TRAVIS_BUILD_DIR/.travis/linux.win32.before_install.sh"

.travis/linux.win64.install.sh

@@ -1,20 +1,19 @@
 #!/usr/bin/env bash
 
+set -e
+
 # First, install 32-bit deps
+"$TRAVIS_BUILD_DIR/.travis/linux.win32.install.sh"
 
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-. $DIR/linux.win32.install.sh
-
-PACKAGES="mingw64-x-sdl mingw64-x-libvorbis mingw64-x-fluidsynth mingw64-x-stk
+MINGW_PACKAGES="mingw64-x-sdl mingw64-x-libvorbis mingw64-x-fluidsynth mingw64-x-stk
 	mingw64-x-glib2 mingw64-x-portaudio mingw64-x-libsndfile
 	mingw64-x-fftw mingw64-x-flac mingw64-x-fltk mingw64-x-libsamplerate
 	mingw64-x-pkgconfig mingw64-x-binutils mingw64-x-gcc mingw64-x-runtime
-	mingw64-x-libgig mingw64-x-libsoundio"
+	mingw64-x-libgig mingw64-x-libsoundio mingw64-x-lame mingw64-x-qt5base"
 
-if [ $QT5 ]; then
-	PACKAGES="$PACKAGES mingw64-x-qt5base"
-else
-	PACKAGES="$PACKAGES mingw64-x-qt"
-fi
+export MINGW_PACKAGES
 
-sudo apt-get install -y $PACKAGES
+"$TRAVIS_BUILD_DIR/.travis/linux.win.download.sh" win64
+
+# shellcheck disable=SC2086
+sudo apt-get install -y $MINGW_PACKAGES

.travis/linux.win64.script.sh

@@ -1,4 +1,11 @@
 #!/usr/bin/env bash
+set -e
 
-export CMAKE_OPTS="-DUSE_WERROR=ON"
-../cmake/build_mingw64.sh
+mkdir build
+cd build
+
+export CMAKE_OPTS="$CMAKE_FLAGS -DUSE_WERROR=ON"
+../cmake/build_win64.sh
+
+make -j4
+make tests

.travis/osx..before_install.sh

@@ -1,3 +1,7 @@
 #!/usr/bin/env bash
 
+set -e
+
 brew update
+# Python 2 may cause conflicts on dependency installation
+brew unlink python@2 || true

.travis/osx..install.sh

@@ -1,13 +1,22 @@
 #!/usr/bin/env bash
 
-PACKAGES="cmake pkgconfig fftw libogg libvorbis libsndfile libsamplerate jack sdl stk fluid-synth portaudio node fltk"
+set -e
 
-if [ $QT5 ]; then
-	PACKAGES="$PACKAGES homebrew/versions/qt55"
-else
-	PACKAGES="$PACKAGES cartr/qt4/qt"
+PACKAGES="cmake pkg-config libogg libvorbis lame libsndfile libsamplerate lilv lv2 jack sdl libgig libsoundio stk fluid-synth portaudio node fltk qt carla"
+
+if "${TRAVIS}"; then
+   PACKAGES="$PACKAGES ccache"
 fi
 
+# removing already installed packages from the list
+for p in $(brew list); do
+	PACKAGES=${PACKAGES//$p/}
+done;
+
+# shellcheck disable=SC2086
 brew install $PACKAGES
 
-sudo npm install -g appdmg
+# fftw tries to install gcc which conflicts with travis
+brew install fftw --ignore-dependencies
+
+npm install -g appdmg

.travis/osx..script.sh

@@ -1,8 +1,16 @@
 #!/usr/bin/env bash
+set -e
 
-if [ $QT5 ]; then
-        # Workaround; No FindQt5.cmake module exists
-        export CMAKE_PREFIX_PATH="$(brew --prefix qt55)"
-fi
+mkdir build
+cd build
 
-cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DWANT_QT5=$QT5 -DUSE_WERROR=OFF ..
+# Workaround; No FindQt5.cmake module exists
+CMAKE_PREFIX_PATH="$(brew --prefix qt5)"
+export CMAKE_PREFIX_PATH
+
+# shellcheck disable=SC2086
+cmake -DUSE_WERROR=OFF -DCMAKE_INSTALL_PREFIX=../target $CMAKE_FLAGS ..
+
+make -j4
+make tests
+./tests/tests

.travis/script.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ "$TYPE" = 'style' ]; then
+
+	# SC2185 is disabled because of: https://github.com/koalaman/shellcheck/issues/942
+	# once it's fixed, it should be enabled again
+	# shellcheck disable=SC2185
+	# shellcheck disable=SC2046
+	shellcheck $(find -O3 . -maxdepth 3 -type f -name '*.sh' -o -name "*.sh.in")
+	shellcheck doc/bash-completion/lmms
+
+else
+
+	export CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUNDLE_QT_TRANSLATIONS=ON"
+
+	if [ -z "$TRAVIS_TAG" ]; then
+		export CMAKE_FLAGS="$CMAKE_FLAGS -DUSE_CCACHE=ON"
+	fi
+
+	"$TRAVIS_BUILD_DIR/.travis/$TRAVIS_OS_NAME.$TARGET_OS.script.sh"
+
+	# Package and upload non-tagged builds
+	if [ -n "$TRAVIS_TAG" ]; then
+		# Skip, handled by travis deploy instead
+		exit 0
+	elif [[ $TARGET_OS == win* ]]; then
+		cd build
+		make -j4 package
+		PACKAGE="$(ls lmms-*win*.exe)"
+	elif [[ $TRAVIS_OS_NAME == osx ]]; then
+		cd build
+		make -j4 install > /dev/null
+		make dmg
+		PACKAGE="$(ls lmms-*.dmg)"
+	elif [[ $TARGET_OS != debian-sid ]]; then
+		cd build
+		make -j4 install > /dev/null
+		make appimage
+		PACKAGE="$(ls lmms-*.AppImage)"
+	fi
+
+	echo "Uploading $PACKAGE to transfer.sh..."
+	# Limit the connection time to 3 minutes and total upload time to 5 minutes
+	# Otherwise the build may hang
+	curl --connect-timeout 180 --max-time 300 --upload-file "$PACKAGE" "https://transfer.sh/$PACKAGE" || true
+fi

CMakeLists.txt

@@ -1,62 +1,74 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.7)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.3)
 
 PROJECT(lmms)
 
 SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules" ${CMAKE_MODULE_PATH})
+SET(LMMS_BINARY_DIR ${CMAKE_BINARY_DIR})
+SET(LMMS_SOURCE_DIR ${CMAKE_SOURCE_DIR})
 
 IF(COMMAND CMAKE_POLICY)
 	CMAKE_POLICY(SET CMP0005 NEW)
 	CMAKE_POLICY(SET CMP0003 NEW)
 	IF (CMAKE_MAJOR_VERSION GREATER 2)
-		CMAKE_POLICY(SET CMP0026 OLD)
+		CMAKE_POLICY(SET CMP0026 NEW)
+		CMAKE_POLICY(SET CMP0045 NEW)
+		CMAKE_POLICY(SET CMP0050 OLD)
 	ENDIF()
+	CMAKE_POLICY(SET CMP0020 NEW)
+	CMAKE_POLICY(SET CMP0057 NEW)
 ENDIF(COMMAND CMAKE_POLICY)
 
+
+# Import of windows.h breaks min()/max()
+ADD_DEFINITIONS(-DNOMINMAX)
+
+INCLUDE(PluginList)
+INCLUDE(CheckSubmodules)
 INCLUDE(AddFileDependencies)
 INCLUDE(CheckIncludeFiles)
 INCLUDE(FindPkgConfig)
+INCLUDE(GenerateExportHeader)
 
 STRING(TOUPPER          "${CMAKE_PROJECT_NAME}" PROJECT_NAME_UCASE)
 
-# Timestamp available since cmake 2.8.11
-IF(CMAKE_VERSION VERSION_LESS "2.8.11")
-	EXECUTE_PROCESS(COMMAND date +%Y OUTPUT_VARIABLE PROJECT_YEAR OUTPUT_STRIP_TRAILING_WHITESPACE)
-ELSE()
-	STRING(TIMESTAMP        PROJECT_YEAR "%Y")
-ENDIF()
+SET(PROJECT_YEAR 2020)
 
 SET(PROJECT_AUTHOR      "LMMS Developers")
-SET(PROJECT_URL         "http://lmms.io")
+SET(PROJECT_URL         "https://lmms.io")
 SET(PROJECT_EMAIL       "lmms-devel@lists.sourceforge.net")
 SET(PROJECT_DESCRIPTION "${PROJECT_NAME_UCASE} - Free music production software")
 SET(PROJECT_COPYRIGHT   "2008-${PROJECT_YEAR} ${PROJECT_AUTHOR}")
 SET(VERSION_MAJOR       "1")
-SET(VERSION_MINOR       "2")
+SET(VERSION_MINOR       "3")
 SET(VERSION_RELEASE     "0")
-SET(VERSION_STAGE       "rc2")
-SET(VERSION_BUILD       "0")
+SET(VERSION_STAGE       "alpha")
+SET(VERSION_BUILD       "")
 SET(VERSION             "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_RELEASE}")
 IF(VERSION_STAGE)
 	SET(VERSION     "${VERSION}-${VERSION_STAGE}")
 ENDIF()
 IF(VERSION_BUILD)
-	SET(VERSION     "${VERSION}.${VERSION_BUILD}")
+	SET(VERSION     "${VERSION}-${VERSION_BUILD}")
 ENDIF()
 
 # Override version information for non-base builds
 INCLUDE(VersionInfo)
 INCLUDE(DetectMachine)
 
-
 OPTION(WANT_ALSA	"Include ALSA (Advanced Linux Sound Architecture) support" ON)
 OPTION(WANT_CALF	"Include CALF LADSPA plugins" ON)
 OPTION(WANT_CAPS	"Include C* Audio Plugin Suite (LADSPA plugins)" ON)
 OPTION(WANT_CARLA	"Include Carla plugin" ON)
 OPTION(WANT_CMT		"Include Computer Music Toolkit LADSPA plugins" ON)
 OPTION(WANT_JACK	"Include JACK (Jack Audio Connection Kit) support" ON)
+OPTION(WANT_WEAKJACK	"Loosely link JACK libraries" ON)
+OPTION(WANT_LV2		"Include Lv2 plugins" ON)
+OPTION(WANT_SUIL	"Include SUIL for LV2 plugin UIs" ON)
+OPTION(WANT_MP3LAME	"Include MP3/Lame support" ON)
 OPTION(WANT_OGGVORBIS	"Include OGG/Vorbis support" ON)
 OPTION(WANT_PULSEAUDIO	"Include PulseAudio support" ON)
 OPTION(WANT_PORTAUDIO	"Include PortAudio support" ON)
+OPTION(WANT_SNDIO	"Include sndio support" ON)
 OPTION(WANT_SOUNDIO	"Include libsoundio support" ON)
 OPTION(WANT_SDL		"Include SDL (Simple DirectMedia Layer) support" ON)
 OPTION(WANT_SF2		"Include SoundFont2 player plugin" ON)
@@ -65,13 +77,17 @@ OPTION(WANT_STK		"Include Stk (Synthesis Toolkit) support" ON)
 OPTION(WANT_SWH		"Include Steve Harris's LADSPA plugins" ON)
 OPTION(WANT_TAP		"Include Tom's Audio Processing LADSPA plugins" ON)
 OPTION(WANT_VST		"Include VST support" ON)
-OPTION(WANT_VST_NOWINE	"Include partial VST support (without wine)" OFF)
+OPTION(WANT_VST_32	"Include 32-bit VST support" ON)
+OPTION(WANT_VST_64	"Include 64-bit VST support" ON)
 OPTION(WANT_WINMM	"Include WinMM MIDI support" OFF)
-OPTION(WANT_QT5		"Build with Qt5" OFF)
+OPTION(WANT_DEBUG_FPE	"Debug floating point exceptions" OFF)
+OPTION(BUNDLE_QT_TRANSLATIONS	"Install Qt translation files for LMMS" OFF)
 
 
 IF(LMMS_BUILD_APPLE)
-	SET(WANT_SF2 OFF)
+	# Fix linking on 10.14+. See issue #4762 on github
+	LINK_DIRECTORIES(/usr/local/lib)
+	SET(WANT_SOUNDIO OFF)
 	SET(WANT_ALSA OFF)
 	SET(WANT_PULSEAUDIO OFF)
 	SET(WANT_VST OFF)
@@ -85,13 +101,13 @@ ENDIF(LMMS_BUILD_APPLE)
 
 IF(LMMS_BUILD_WIN32)
 	SET(WANT_ALSA OFF)
-	SET(WANT_JACK OFF)
 	SET(WANT_PULSEAUDIO OFF)
+	SET(WANT_SNDIO OFF)
 	SET(WANT_SOUNDIO OFF)
 	SET(WANT_WINMM ON)
+	SET(BUNDLE_QT_TRANSLATIONS ON)
 	SET(LMMS_HAVE_WINMM TRUE)
 	SET(STATUS_ALSA "<not supported on this platform>")
-	SET(STATUS_JACK "<not supported on this platform>")
 	SET(STATUS_PULSEAUDIO "<not supported on this platform>")
 	SET(STATUS_SOUNDIO "<disabled in this release>")
 	SET(STATUS_WINMM "OK")
@@ -110,6 +126,7 @@ IF(LMMS_BUILD_MSYS AND CMAKE_BUILD_TYPE STREQUAL "Debug")
 	SET(STATUS_STK "not built as requested")
 ENDIF()
 
+SET(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 CHECK_INCLUDE_FILES(stdint.h LMMS_HAVE_STDINT_H)
 CHECK_INCLUDE_FILES(stdlib.h LMMS_HAVE_STDLIB_H)
@@ -120,6 +137,7 @@ CHECK_INCLUDE_FILES(sys/types.h LMMS_HAVE_SYS_TYPES_H)
 CHECK_INCLUDE_FILES(sys/ipc.h LMMS_HAVE_SYS_IPC_H)
 CHECK_INCLUDE_FILES(sys/shm.h LMMS_HAVE_SYS_SHM_H)
 CHECK_INCLUDE_FILES(sys/time.h LMMS_HAVE_SYS_TIME_H)
+CHECK_INCLUDE_FILES(sys/times.h LMMS_HAVE_SYS_TIMES_H)
 CHECK_INCLUDE_FILES(sched.h LMMS_HAVE_SCHED_H)
 CHECK_INCLUDE_FILES(sys/soundcard.h LMMS_HAVE_SYS_SOUNDCARD_H)
 CHECK_INCLUDE_FILES(soundcard.h LMMS_HAVE_SOUNDCARD_H)
@@ -132,56 +150,92 @@ CHECK_INCLUDE_FILES(locale.h LMMS_HAVE_LOCALE_H)
 
 LIST(APPEND CMAKE_PREFIX_PATH "${CMAKE_INSTALL_PREFIX}")
 
-IF(WANT_QT5)
-	SET(QT5 TRUE)
+FIND_PACKAGE(Qt5 5.6.0 COMPONENTS Core Gui Widgets Xml REQUIRED)
+FIND_PACKAGE(Qt5 COMPONENTS LinguistTools QUIET)
 
-	FIND_PACKAGE(Qt5Core REQUIRED)
-	FIND_PACKAGE(Qt5Gui REQUIRED)
-	FIND_PACKAGE(Qt5LinguistTools)
-	FIND_PACKAGE(Qt5Widgets REQUIRED)
-	FIND_PACKAGE(Qt5Xml REQUIRED)
+INCLUDE_DIRECTORIES(
+	${Qt5Core_INCLUDE_DIRS}
+	${Qt5Gui_INCLUDE_DIRS}
+	${Qt5Widgets_INCLUDE_DIRS}
+	${Qt5Xml_INCLUDE_DIRS}
+)
 
-	INCLUDE_DIRECTORIES(
-		${Qt5Core_INCLUDE_DIRS}
-		${Qt5Gui_INCLUDE_DIRS}
-		${Qt5Widgets_INCLUDE_DIRS}
-		${Qt5Xml_INCLUDE_DIRS}
-	)
+SET(QT_LIBRARIES
+	Qt5::Core
+	Qt5::Gui
+	Qt5::Widgets
+	Qt5::Xml
+)
 
-	SET(QT_LIBRARIES
-		Qt5::Core
-		Qt5::Gui
-		Qt5::Widgets
-		Qt5::Xml
-	)
-
-	FIND_PACKAGE(Qt5Test)
-	SET(QT_QTTEST_LIBRARY Qt5::Test)
-ELSE()
-	SET(QT5 FALSE)
-
-	# check for Qt4
-	SET(QT_MIN_VERSION "4.6.0" COMPONENTS QtCore QtGui QtXml)
-	FIND_PACKAGE(Qt4 REQUIRED)
-	SET(QT_USE_QTXML 1)
-	IF(WIN32)
-		SET(QT_TRANSLATIONS_DIR "${MINGW_PREFIX}/share/qt4/translations/")
-	ENDIF(WIN32)
-	IF(EXISTS "${QT_TRANSLATIONS_DIR}")
-		MESSAGE("-- Found Qt translations in ${QT_TRANSLATIONS_DIR}")
-		ADD_DEFINITIONS(-D'QT_TRANSLATIONS_DIR="${QT_TRANSLATIONS_DIR}"')
-	ENDIF()
-	IF(NOT WIN32)
-		STRING(REPLACE "-DQT_DLL" "" QT_DEFINITIONS "${QT_DEFINITIONS}")
-	ENDIF()
-	INCLUDE("${QT_USE_FILE}")
+IF(LMMS_BUILD_LINUX AND WANT_VST)
+    FIND_PACKAGE(Qt5 COMPONENTS X11Extras REQUIRED)
+    LIST(APPEND QT_LIBRARIES Qt5::X11Extras)
 ENDIF()
 
+# Resolve Qt5::qmake to full path for use in packaging scripts
+GET_TARGET_PROPERTY(QT_QMAKE_EXECUTABLE "${Qt5Core_QMAKE_EXECUTABLE}" IMPORTED_LOCATION)
+
+# Find the location of Qt translation files
+execute_process(COMMAND ${QT_QMAKE_EXECUTABLE} -query QT_INSTALL_TRANSLATIONS
+	OUTPUT_VARIABLE QT_TRANSLATIONS_DIR
+	OUTPUT_STRIP_TRAILING_WHITESPACE
+	ERROR_QUIET
+)
+IF(EXISTS "${QT_TRANSLATIONS_DIR}")
+	MESSAGE("-- Found Qt translations in ${QT_TRANSLATIONS_DIR}")
+	ADD_DEFINITIONS(-D'QT_TRANSLATIONS_DIR="${QT_TRANSLATIONS_DIR}"')
+ENDIF()
+
+FIND_PACKAGE(Qt5Test)
+SET(QT_QTTEST_LIBRARY Qt5::Test)
+
 # check for libsndfile
-PKG_CHECK_MODULES(SNDFILE REQUIRED sndfile>=1.0.11)
+FIND_PACKAGE(SndFile REQUIRED)
 IF(NOT SNDFILE_FOUND)
-	MESSAGE(FATAL_ERROR "LMMS requires libsndfile1 and libsndfile1-dev >= 1.0.11 - please install, remove CMakeCache.txt and try again!")
-ENDIF(NOT SNDFILE_FOUND)
+	MESSAGE(FATAL_ERROR "LMMS requires libsndfile1 and libsndfile1-dev >= 1.0.18 - please install, remove CMakeCache.txt and try again!")
+ENDIF()
+# check if we can use SF_SET_COMPRESSION_LEVEL
+IF(NOT SNDFILE_VERSION VERSION_LESS 1.0.26)
+	SET(LMMS_HAVE_SF_COMPLEVEL TRUE)
+ENDIF()
+
+IF(WANT_LV2)
+	IF(PKG_CONFIG_FOUND)
+		PKG_CHECK_MODULES(LV2 lv2)
+		PKG_CHECK_MODULES(LILV lilv-0)
+	ENDIF()
+	IF(NOT LV2_FOUND AND NOT LILV_FOUND)
+		FIND_PACKAGE(LV2 CONFIG)
+		FIND_PACKAGE(LILV CONFIG)
+		IF(LILV_FOUND)
+			SET(LILV_LIBRARIES "lilv::lilv")
+		ENDIF()
+	ENDIF()
+	IF(LV2_FOUND AND LILV_FOUND)
+		SET(LMMS_HAVE_LV2 TRUE)
+		SET(STATUS_LV2 "OK")
+	ELSE()
+		SET(STATUS_LV2 "not found, install it or set PKG_CONFIG_PATH appropriately")
+	ENDIF()
+ELSE(WANT_LV2)
+	SET(STATUS_LV2 "not built as requested")
+ENDIF(WANT_LV2)
+
+IF(WANT_SUIL)
+	IF(PKG_CONFIG_FOUND)
+		PKG_CHECK_MODULES(SUIL suil-0)
+		IF(SUIL_FOUND)
+			SET(LMMS_HAVE_SUIL TRUE)
+			SET(STATUS_SUIL "OK")
+		ELSE()
+			SET(STATUS_SUIL "not found, install it or set PKG_CONFIG_PATH appropriately")
+		ENDIF()
+	ELSE()
+		SET(STATUS_SUIL "not found, requires pkg-config")
+	ENDIF()
+ELSE(WANT_SUIL)
+	SET(STATUS_SUIL "not built as requested")
+ENDIF(WANT_SUIL)
 
 IF(WANT_CALF)
 	SET(LMMS_HAVE_CALF TRUE)
@@ -221,36 +275,57 @@ ENDIF(WANT_TAP)
 
 # check for CARLA
 IF(WANT_CARLA)
-	PKG_CHECK_MODULES(CARLA carla-standalone>=1.9.5)
+	PKG_CHECK_MODULES(CARLA carla-native-plugin)
+	# look for carla under old name
+	IF(NOT CARLA_FOUND)
+		PKG_CHECK_MODULES(CARLA carla-standalone>=1.9.5)
+	ENDIF()
 	IF(CARLA_FOUND)
 		SET(LMMS_HAVE_CARLA TRUE)
 		SET(STATUS_CARLA "OK")
 	ELSE(CARLA_FOUND)
-		SET(STATUS_CARLA "not found, please install the latest carla")
+		SET(LMMS_HAVE_WEAKCARLA TRUE)
+		SET(STATUS_CARLA "OK (weak linking enabled)")
 	ENDIF(CARLA_FOUND)
 ENDIF(WANT_CARLA)
 
 
-# check for SDL
+# check for SDL2
 IF(WANT_SDL)
+	SET(SDL2_BUILDING_LIBRARY TRUE)
+	FIND_PACKAGE(SDL2)
+	IF(SDL2_FOUND)
+		SET(LMMS_HAVE_SDL TRUE)
+		SET(LMMS_HAVE_SDL2 TRUE)
+		SET(STATUS_SDL "OK, using SDL2")
+		SET(SDL_INCLUDE_DIR "")
+		SET(SDL_LIBRARY "")
+	ELSE()
+		SET(SDL2_INCLUDE_DIR "")
+		SET(SDL2_LIBRARY "")
+	ENDIF()
+ENDIF()
+
+# fallback to SDL1
+IF(WANT_SDL AND NOT LMMS_HAVE_SDL2)
+	# Fallback to SDL1.2
 	SET(SDL_BUILDING_LIBRARY TRUE)
 	FIND_PACKAGE(SDL)
 	IF(SDL_FOUND)
 		SET(LMMS_HAVE_SDL TRUE)
-		SET(STATUS_SDL "OK")
-	ELSE(SDL_FOUND)
-		SET(STATUS_SDL "not found, please install libsdl1.2-dev (or similar) "
-			"if you require SDL support")
-	ENDIF(SDL_FOUND)
-ENDIF(WANT_SDL)
-IF(NOT LMMS_HAVE_SDL)
-	SET(SDL_INCLUDE_DIR "")
-ELSE(NOT LMMS_HAVE_SDL)
-	IF(NOT SDL_INCLUDE_DIR)
-		SET(SDL_INCLUDE_DIR "${CMAKE_FIND_ROOT_PATH}/include")
-	ENDIF(NOT SDL_INCLUDE_DIR)
-ENDIF(NOT LMMS_HAVE_SDL)
+		SET(STATUS_SDL "OK, using SDL1.2")
+		# fix mingw since 53abd65
+		IF(NOT SDL_INCLUDE_DIR)
+			SET(SDL_INCLUDE_DIR "${CMAKE_FIND_ROOT_PATH}/include")
+		ENDIF()
 
+	ELSE()
+		SET(STATUS_SDL "not found, please install libsdl2-dev (or similar) "
+			"if you require SDL support")
+		SET(SDL_INCLUDE_DIR "")
+		SET(SDL_LIBRARY "")
+	ENDIF()
+ENDIF()
 
 # check for Stk
 IF(WANT_STK)
@@ -282,13 +357,13 @@ ENDIF(WANT_PORTAUDIO)
 IF(WANT_SOUNDIO)
   FIND_PACKAGE(SoundIo)
   IF(SOUNDIO_FOUND)
-    SET(LMMS_HAVE_SOUNDIO TRUE)
-    SET(STATUS_SOUNDIO "OK")
-    INCLUDE_DIRECTORIES("${SOUNDIO_INCLUDE_DIR}")
+	SET(LMMS_HAVE_SOUNDIO TRUE)
+	SET(STATUS_SOUNDIO "OK")
+	INCLUDE_DIRECTORIES("${SOUNDIO_INCLUDE_DIR}")
   ELSE(SOUNDIO_FOUND)
-    SET(SOUNDIO_INCLUDE_DIR "")
-    SET(STATUS_SOUNDIO "not found, please install libsoundio if you require libsoundio support")
-    SET(SOUNDIO_LIBRARY "")
+	SET(SOUNDIO_INCLUDE_DIR "")
+	SET(STATUS_SOUNDIO "not found, please install libsoundio if you require libsoundio support")
+	SET(SOUNDIO_LIBRARY "")
   ENDIF(SOUNDIO_FOUND)
 ENDIF(WANT_SOUNDIO)
 
@@ -310,6 +385,21 @@ IF(NOT LMMS_HAVE_PULSEAUDIO)
 ENDIF(NOT LMMS_HAVE_PULSEAUDIO)
 
 
+# check for MP3/Lame-libraries
+IF(WANT_MP3LAME)
+	FIND_PACKAGE(Lame)
+	IF(LAME_FOUND)
+		SET(LMMS_HAVE_MP3LAME TRUE)
+		SET(STATUS_MP3LAME "OK")
+	ELSE(LAME_FOUND)
+		SET(STATUS_MP3LAME "not found, please install libmp3lame-dev (or similar)")
+		SET(LAME_LIBRARIES "")
+		SET(LAME_INCLUDE_DIRS "")
+	ENDIF(LAME_FOUND)
+ELSE(WANT_MP3LAME)
+	SET(STATUS_MP3LAME "Disabled for build")
+ENDIF(WANT_MP3LAME)
+
 # check for OGG/Vorbis-libraries
 IF(WANT_OGGVORBIS)
 	FIND_PACKAGE(OggVorbis)
@@ -350,24 +440,38 @@ ENDIF(NOT LMMS_HAVE_ALSA)
 
 # check for JACK
 IF(WANT_JACK)
-	PKG_CHECK_MODULES(JACK jack>=0.77)
-	IF(JACK_FOUND)
+	IF(WANT_WEAKJACK)
+		SET(LMMS_HAVE_WEAKJACK TRUE)
+		SET(WEAKJACK_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/src/3rdparty/weakjack/weakjack)
+		SET(JACK_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/src/3rdparty/jack2/common)
+		SET(STATUS_JACK "OK (weak linking enabled)")
+		# use dlsym instead
+		SET(JACK_LIBRARIES ${CMAKE_DL_LIBS})
 		SET(LMMS_HAVE_JACK TRUE)
-		SET(STATUS_JACK "OK")
-	ELSE(JACK_FOUND)
-		SET(STATUS_JACK "not found, please install libjack0.100.0-dev (or similar) "
-			"if you require JACK support")
-	ENDIF(JACK_FOUND)
+		SET(JACK_FOUND TRUE)
+	ELSE()
+		PKG_CHECK_MODULES(JACK jack>=0.77)
+		IF(JACK_FOUND)
+			SET(STATUS_JACK "OK")
+		ENDIF()
+	ENDIF()
+
+	IF(NOT JACK_FOUND)
+		SET(JACK_INCLUDE_DIRS "")
+		SET(STATUS_JACK "not found")
+	ENDIF()
 ENDIF(WANT_JACK)
 
-
 # check for FFTW3F-library
-PKG_CHECK_MODULES(FFTW3F REQUIRED fftw3f>=3.0.0)
-
+FIND_PACKAGE(FFTW COMPONENTS fftw3f REQUIRED)
 
 # check for FLTK
 FIND_PACKAGE(FLTK)
-
+IF(FLTK_FOUND)
+	SET(STATUS_ZYN "OK")
+ELSE()
+	SET(STATUS_ZYN "not found, please install fltk")
+ENDIF()
 
 # check for Fluidsynth
 IF(WANT_SF2)
@@ -393,11 +497,12 @@ If(WANT_GIG)
 ENDIF(WANT_GIG)
 
 # check for pthreads
-IF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE OR LMMS_BUILD_OPENBSD)
+IF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE OR LMMS_BUILD_OPENBSD OR LMMS_BUILD_FREEBSD OR LMMS_BUILD_HAIKU)
 	FIND_PACKAGE(Threads)
-ENDIF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE OR LMMS_BUILD_OPENBSD)
+ENDIF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE OR LMMS_BUILD_OPENBSD OR LMMS_BUILD_FREEBSD OR LMMS_BUILD_HAIKU)
 
-IF(LMMS_BUILD_OPENBSD)
+# check for sndio (roaraudio won't work yet)
+IF(WANT_SNDIO)
 	FIND_PACKAGE(Sndio)
 	IF(SNDIO_FOUND)
 		SET(LMMS_HAVE_SNDIO TRUE)
@@ -405,14 +510,18 @@ IF(LMMS_BUILD_OPENBSD)
     	ELSE()
         	SET(STATUS_SNDIO "<not found or not supported on this platform>")
 	ENDIF(SNDIO_FOUND)
-ENDIF(LMMS_BUILD_OPENBSD)
+ENDIF(WANT_SNDIO)
 
 # check for WINE
 IF(WANT_VST)
 	FIND_PACKAGE(Wine)
 	IF(WINE_FOUND)
 		SET(LMMS_SUPPORT_VST TRUE)
-		SET(STATUS_VST "OK")
+		IF(WINE_LIBRARY_FIX)
+			SET(STATUS_VST "OK, with workaround linking ${WINE_LIBRARY_FIX}")
+		ELSE()
+			SET(STATUS_VST "OK")
+		ENDIF()
 	ELSEIF(WANT_VST_NOWINE)
 		SET(LMMS_SUPPORT_VST TRUE)
 		SET(STATUS_VST "OK")
@@ -425,32 +534,52 @@ IF(LMMS_BUILD_WIN32)
 	SET(STATUS_VST "OK")
 ENDIF(LMMS_BUILD_WIN32)
 
+IF(WANT_DEBUG_FPE)
+	IF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE)
+		SET(LMMS_DEBUG_FPE TRUE)
+		SET (STATUS_DEBUG_FPE "Enabled")
+	ELSE()
+		SET (STATUS_DEBUG_FPE "Wanted but disabled due to unsupported platform")
+	ENDIF()
+ELSE()
+	SET (STATUS_DEBUG_FPE "Disabled")
+ENDIF(WANT_DEBUG_FPE)
 
 # check for libsamplerate
-PKG_CHECK_MODULES(SAMPLERATE REQUIRED samplerate>=0.1.8)
+FIND_PACKAGE(Samplerate 0.1.8 MODULE REQUIRED)
 
 # set compiler flags
-SET(WERROR_FLAGS "-Wall -Werror=unused-function -Wno-sign-compare -Wno-strict-overflow")
-OPTION(USE_WERROR "Add -werror to the build flags. Stops the build on warnings" OFF)
-IF(${USE_WERROR})
-   SET(WERROR_FLAGS "${WERROR_FLAGS} -Werror")
+IF(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+	SET(WERROR_FLAGS "-Wall -Werror=unused-function -Wno-sign-compare -Wno-strict-overflow")
+	OPTION(USE_WERROR "Add -werror to the build flags. Stops the build on warnings" OFF)
+	IF(${USE_WERROR})
+		SET(WERROR_FLAGS "${WERROR_FLAGS} -Werror")
+	ENDIF()
+
+	# Due to a regression in gcc-4.8.X, we need to disable array-bounds check
+	IF (CMAKE_COMPILER_IS_GNUCXX AND ((CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL "4.8.0") OR (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.8.0") OR LMMS_BUILD_WIN32))
+		SET(WERROR_FLAGS "${WERROR_FLAGS} -Wno-array-bounds -Wno-attributes")
+	ENDIF()
+ELSEIF(MSVC)
+	# Remove any existing /W flags
+	STRING(REGEX REPLACE "/W[0-4]" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+	SET(WERROR_FLAGS "/W2")
+	IF(${USE_WERROR})
+		SET(WERROR_FLAGS "${WERROR_FLAGS} /WX")
+	ENDIF()
 ENDIF()
 
-# Due to a regression in gcc-4.8.X, we need to disable array-bounds check
-IF (CMAKE_COMPILER_IS_GNUCXX AND ((CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL "4.8.0") OR (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.8.0") OR LMMS_BUILD_WIN32))
-   SET(WERROR_FLAGS "${WERROR_FLAGS} -Wno-array-bounds")
-ENDIF()
 
 IF(NOT CMAKE_BUILD_TYPE)
 	message(STATUS "Setting build type to 'Release' as none was specified.")
 	set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
 	# Set the possible values of build type for cmake-gui
 	SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
-  		"MinSizeRel" "RelWithDebInfo")
+		"MinSizeRel" "RelWithDebInfo")
 ENDIF()
 
 SET(CMAKE_C_FLAGS "${WERROR_FLAGS} ${CMAKE_C_FLAGS}")
-SET(CMAKE_CXX_FLAGS "-fno-exceptions ${WERROR_FLAGS} ${CMAKE_CXX_FLAGS}")
+SET(CMAKE_CXX_FLAGS "${WERROR_FLAGS} ${CMAKE_CXX_FLAGS}")
 SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DLMMS_DEBUG")
 SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DLMMS_DEBUG")
 
@@ -477,25 +606,19 @@ IF(GIT_FOUND AND NOT CONTRIBUTORS)
 		TIMEOUT 1)
 ENDIF()
 
-# embedded resources stuff
-IF(WIN32 OR WIN64)
-	# compile buildtools native
-	SET(BIN2RES_CPP "${CMAKE_SOURCE_DIR}/buildtools/bin2res.cpp")
-	SET(BIN2RES "${CMAKE_BINARY_DIR}/bin2res")
-	ADD_CUSTOM_TARGET(bin2res COMMAND g++ "\"${BIN2RES_CPP}\"" -o "\"${BIN2RES}\"" DEPENDS "${BIN2RES_CPP}")
-ELSE(WIN32 OR WIN64)
-	ADD_EXECUTABLE(bin2res buildtools/bin2res.cpp)
-	GET_TARGET_PROPERTY(BIN2RES bin2res LOCATION)
-ENDIF(WIN32 OR WIN64)
-
 # we somehow have to make LMMS-binary depend on MOC-files
 ADD_FILE_DEPENDENCIES("${CMAKE_BINARY_DIR}/lmmsconfig.h")
 
-IF(WIN32)
-	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
-ELSE(WIN32)
-	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -DPIC")
-ENDIF(WIN32)
+IF(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+	IF(WIN32)
+		SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
+	ELSE(WIN32)
+		SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -DPIC")
+	ENDIF(WIN32)
+ENDIF()
+
+# use ccache
+include(CompileCache)
 
 # make sub-directories
 ADD_SUBDIRECTORY(cmake)
@@ -505,17 +628,23 @@ ADD_SUBDIRECTORY(tests)
 ADD_SUBDIRECTORY(data)
 ADD_SUBDIRECTORY(doc)
 
-# post-install tasks
-ADD_SUBDIRECTORY(cmake/postinstall)
+# install tasks
+ADD_SUBDIRECTORY(cmake/install)
 
-ADD_CUSTOM_COMMAND(OUTPUT "${CMAKE_BINARY_DIR}/lmms.1.gz"
-				COMMAND gzip -c "\"${CMAKE_SOURCE_DIR}/doc/lmms.1\"" > "\"${CMAKE_BINARY_DIR}/lmms.1.gz\""
-				DEPENDS "${CMAKE_SOURCE_DIR}/doc/lmms.1"
-				COMMENT "Generating lmms.1.gz")
+FIND_PACKAGE(UnixCommands)
+IF(GZIP)
+	ADD_CUSTOM_COMMAND(OUTPUT "${CMAKE_BINARY_DIR}/lmms.1.gz"
+					COMMAND ${GZIP} -c ${CMAKE_SOURCE_DIR}/doc/lmms.1 > ${CMAKE_BINARY_DIR}/lmms.1.gz
+					DEPENDS "${CMAKE_SOURCE_DIR}/doc/lmms.1"
+					COMMENT "Generating lmms.1.gz"
+					VERBATIM)
 
 
-ADD_CUSTOM_TARGET(manpage ALL
-				DEPENDS "${CMAKE_BINARY_DIR}/lmms.1.gz")
+	ADD_CUSTOM_TARGET(manpage ALL
+					DEPENDS "${CMAKE_BINARY_DIR}/lmms.1.gz")
+ELSEIF(UNIX)
+	MESSAGE(FATAL_ERROR "Can't find gzip required for generating lmms.1.gz")
+ENDIF()
 
 # install headers
 
@@ -560,6 +689,15 @@ ADD_CUSTOM_TARGET(dist
 			COMMAND tar cjf lmms-${VERSION}-src.tar.bz2 "${TMP}"
 			COMMAND rm -rf "${TMP}")
 
+
+#
+# add uninstall-target
+#
+ADD_CUSTOM_TARGET(uninstall
+	COMMAND ${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}" -P "${CMAKE_CURRENT_SOURCE_DIR}/cmake/uninstall.cmake"
+)
+
+
 #
 # display configuration information
 #
@@ -598,12 +736,17 @@ MESSAGE(
 "Supported file formats for project export\n"
 "-----------------------------------------\n"
 "* WAVE                        : OK\n"
+"* FLAC                        : OK\n"
 "* OGG/VORBIS                  : ${STATUS_OGGVORBIS}\n"
+"* MP3/Lame                    : ${STATUS_MP3LAME}\n"
 )
 
 MESSAGE(
 "Optional plugins\n"
 "----------------\n"
+"* Lv2 plugins                 : ${STATUS_LV2}\n"
+"* SUIL for plugin UIs         : ${STATUS_SUIL}\n"
+"* ZynAddSubFX instrument      : ${STATUS_ZYN}\n"
 "* Carla Patchbay & Rack       : ${STATUS_CARLA}\n"
 "* SoundFont2 player           : ${STATUS_FLUIDSYNTH}\n"
 "* Stk Mallets                 : ${STATUS_STK}\n"
@@ -617,6 +760,12 @@ MESSAGE(
 "* GIG player                  : ${STATUS_GIG}\n"
 )
 
+MESSAGE(
+"Developer options\n"
+"-----------------------------------------\n"
+"* Debug FP exceptions         : ${STATUS_DEBUG_FPE}\n"
+)
+
 MESSAGE(
 "\n"
 "-----------------------------------------------------------------\n"
@@ -626,4 +775,10 @@ MESSAGE(
 "-----------------------------------------------------------------\n"
 "\n\n")
 
+SET(CMAKE_INSTALL_SYSTEM_RUNTIME_DESTINATION "${BIN_DIR}")
+if(MSVC)
+	# We can't set this on the install time according to the configuration
+	SET(CMAKE_INSTALL_DEBUG_LIBRARIES TRUE)
+	SET(CMAKE_INSTALL_UCRT_LIBRARIES TRUE)
+endif()
 INCLUDE(InstallRequiredSystemLibraries)

INSTALL.txt

@@ -1,16 +1,28 @@
-Building LMMS got quite simple since 0.4.0 as everything is managed
-by cmake now. Therefore make sure you have CMake (>= 2.6.0 recommended) and
-then run
+This project uses git submodules and several are required for a successful
+build.  If this tarball was NOT provided with submodules (default), some source
+dependencies will need to be manually added to src/3rdparty.
 
+If this project WAS provided with submodules, there are detailed dependencies
+(e.g. supported compilers, cmake requirements, cross-compilation) at
+doc/wiki/Compiling.md including platform-specific build instructions (e.g.
+apt-get, dnf, pacman, etc).
 
-mkdir build
-cd build
-cmake ../
-make
-sudo make install
+Online documentation:
 
-If your system does not have "sudo", become root with your preferred mechanism
-and run the "make install" command.
+   https://github.com/LMMS/lmms/wiki/
+
+Live online chat via Discord (similar to IRC):
+
+   https://lmms.io/chat, Channel #programming
+
+Basic build steps:
+
+   mkdir build
+   cd build
+   cmake ../
+   make
+   sudo make install
+   # or alternately: su -c 'make install'
 
 With the above commands an out-of-tree build is performed. You can also run
 "cmake ." directly in the root of source tree although this is not recommended.
@@ -25,24 +37,31 @@ that are going to be built into LMMS or built as plugins. Install the
 according libraries and development files if a certain feature is not enabled.
 Then remove CMakeCache.txt and run cmake again.
 
-If you want to supply an install prefix to cmake, add the flag:
+For non-root installs, or to install to a non-standard location, provide an
+install prefix to cmake, using the flag:
 
--DCMAKE_INSTALL_PREFIX=<prefix>
+   -DCMAKE_INSTALL_PREFIX=<prefix>
 
-Where <prefix> can be /usr, /usr/local, /opt, etc. The default is /usr/local.
-
-
-
-Building with QT5
-
-First of all please note that CMake >= 2.8.11 is required for building with
-Qt5 support. In order to build LMMS with Qt5, add the following flag when
-invoking cmake:
-
--DWANT_QT5=ON
+The Compilation tutorial (see docs/wiki/Compilation.md)
+specifically uses <prefix> as "../target" for all non-root installations.  This
+is strongly recommended if developing a patch or a feature.  For root
+installations, <prefix> can be /usr, /usr/local, /opt, etc. For most systems,
+the default is /usr/local.
 
 If your Qt5 installation does not reside in standard installation paths,
-additionally pass e.g.
+additionally pass:
 
--DCMAKE_PREFIX_PATH=/opt/qt53/
+   -DCMAKE_PREFIX_PATH=<prefix>
 
+Where <prefix> is the location to Qt5 installation, usually /opt/qt5/, etc.
+
+Important wiki sections:
+
+doc/wiki/Compiling.md:
+   Dependencies Detailed
+      - Build Toolchain (cmake)
+      - Compiler (gcc, clang)
+      - Libraries (required and optional dependencies)
+
+doc/wiki/Dependencies-<platform>.md
+   Platform-specific dependencies (Windows, Ubuntu, Fedora, macOS, etc.)

README.md

@@ -1,11 +1,13 @@
-#![LMMS Logo](http://lmms.sourceforge.net/Lmms_logo.png) LMMS
+# ![LMMS Logo](http://lmms.sourceforge.net/Lmms_logo.png) LMMS
 
 [![Build status](https://img.shields.io/travis/LMMS/lmms.svg?maxAge=3600)](https://travis-ci.org/LMMS/lmms)
 [![Latest stable release](https://img.shields.io/github/release/LMMS/lmms.svg?maxAge=3600)](https://lmms.io/download)
 [![Overall downloads on Github](https://img.shields.io/github/downloads/LMMS/lmms/total.svg?maxAge=3600)](https://github.com/LMMS/lmms/releases)
-[![Join the chat at Discord](https://img.shields.io/badge/chat%20on-discord-7289DA.svg)](https://discord.gg/5kSc32Z)
+[![Join the chat at Discord](https://img.shields.io/badge/chat-on%20discord-7289DA.svg)](https://discord.gg/3sc5su7)
 [![Localise on transifex](https://img.shields.io/badge/localise-on_transifex-green.svg)](https://www.transifex.com/lmms/lmms/)
 
+**A soft PR-Freeze is currently underway to prepare for refactoring ([#5592](https://github.com/LMMS/lmms/issues/5592)). Please do not open non-essential PRs at this time.**
+
 What is LMMS?
 --------------
 
@@ -15,12 +17,12 @@ the creation of melodies and beats, the synthesis and mixing of sounds, and
 arranging of samples. You can have fun with your MIDI-keyboard and much more;
 all in a user-friendly and modern interface.
 
-[Homepage](http://lmms.io)<br>
+[Homepage](https://lmms.io)<br>
 [Downloads/Releases](https://github.com/LMMS/lmms/releases)<br>
 [Developer Wiki](https://github.com/LMMS/lmms/wiki)<br>
-[Artist & User Wiki/Documentation](http://lmms.io/documentation)<br>
-[Sound Demos](http://lmms.io/showcase/)<br>
-[LMMS Sharing Platform](http://lmms.io/lsp/) Share your songs!
+[Artist & User Wiki/Documentation](https://lmms.io/documentation)<br>
+[Sound Demos](https://lmms.io/showcase/)<br>
+[LMMS Sharing Platform](https://lmms.io/lsp/) Share your songs!
 
 Features
 ---------
@@ -32,12 +34,12 @@ Features
 * Many powerful instrument and effect-plugins out of the box
 * Full user-defined track-based automation and computer-controlled automation sources
 * Compatible with many standards such as SoundFont2, VST(i), LADSPA, GUS Patches, and full MIDI support
-* MIDI file importing
+* MIDI file importing and exporting
 
 Building
 ---------
 
-See [Compiling LMMS](https://github.com/LMMS/lmms/wiki/Compiling-lmms) on our
+See [Compiling LMMS](https://github.com/LMMS/lmms/wiki/Compiling) on our
 wiki for information on how to build LMMS.
 
 
@@ -53,7 +55,6 @@ Information about what you can do and how can be found in the
 
 Before coding a new big feature, please _always_
 [file an issue](https://github.com/LMMS/lmms/issues/new) for your idea and
-suggestions about your feature and about the intended implementation on GitHub
-or post to the LMMS developers mailinglist (lmms-devel@lists.sourceforge.net)
-and wait for replies! Maybe there are different ideas, improvements, hints or
+suggestions about your feature and about the intended implementation on GitHub,
+or ask in one of the tech channels on Discord and wait for replies! Maybe there are different ideas, improvements, or hints, or
 maybe your feature is not welcome/needed at the moment.

buildtools/bin2res.cpp

@@ -1,212 +0,0 @@
-/*
- * bin2res.cpp - generate embedded resources from binary data (based on qembed)
- *
- * Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program (see COPYING); if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA.
- *
- */
-
-
-#include <string>
-#include <vector>
-#include <iostream>
-#include <fstream>
-
-static void embedData( const char * _input, int _size, std::ostream & _output );
-static std::string convertFileNameToCIdentifier( const std::string & _s );
-
-
-struct embed
-{
-	unsigned int size;
-	std::string name;
-	std::string cname;
-} ;
-
-typedef std::vector<std::string> stringlist;
-
-const int MAX_FILE_SIZE = 256*256*256;		// = 16 MB
-
-
-int main( int argc, char * * argv )
-{
-	if( argc < 2 )
-	{
-		std::cerr << "Usage:"  << std::endl << "\t" << argv[0] <<
-							" files" << std::endl;
-		return( 1 );
-	}
-
-	std::cout << "// Generated by bin2res" << std::endl;
-
-	std::vector<embed *> embedded_data;
-
-	std::cout << "#ifndef _EMBEDDED_RESOURCES_H" << std::endl;
-	std::cout << "#define _EMBEDDED_RESOURCES_H" << std::endl;
-
-	stringlist files;
-	for( int i = 1; i < argc; ++i )
-	{
-		files.push_back( std::string( argv[i] ) );
-	}
-	for( stringlist::iterator it = files.begin(); it != files.end(); ++it )
-	{
-		std::ifstream f( it->c_str(), std::ios::binary );
-		if( f.fail() )
-		{
-			std::cerr << "Cannot open file " << *it <<
-						", ignoring it" << std::endl;
-			continue;
-		}
-		f.seekg( 0, std::ios::end );
-		int fsize = f.tellg();
-		f.seekg( 0 );
-		if( fsize == 0 || fsize > MAX_FILE_SIZE )
-		{
-			std::cerr << "File " << *it << " has zero size or is "
-				"too large to be processed with bin2res." <<
-								std::endl;
-		}
-		char * data = new char[fsize];
-		f.read( data, fsize );
-		embed * e = new embed;
-		e->size = fsize;
-		if( it->rfind( '/' ) != std::string::npos )
-		{
-			e->name = std::string( it->c_str() +
-							it->rfind( '/' ) + 1 );
-		}
-		else
-		{
-			e->name = *it;
-		}
-		e->cname = convertFileNameToCIdentifier( e->name );
-		embedded_data.push_back( e );
-		std::string s;
-		std::cout << "static const unsigned char " << e->cname <<
-								"_data[] = {";
-		embedData( data, fsize, std::cout );
-		std::cout << std::endl << "};" << std::endl << std::endl;
-		delete[] data;
-	}
-
-	if( embedded_data.size() > 0 )
-	{
-		std::cout << "static const unsigned char dummy_data[] ="
-					"{ 0x00 };" << std::endl << std::endl;
-		embed * dummy = new embed;
-		dummy->size = 1;
-		dummy->name = "dummy";
-		dummy->cname = convertFileNameToCIdentifier(
-						std::string( "dummy" ) );
-		embedded_data.push_back( dummy );
-
-		std::cout << "#include <string.h>" << std::endl << std::endl;
-		std::cout << "#include \"embed.h\"" << std::endl << std::endl;
-		std::cout << "static embed::descriptor embed_vec[] = {" << std::endl;
-/*				<< "{" << std::endl
-				<< "	int size;" << std::endl
-				<< "	const unsigned char * data;" <<
-								std::endl
-				<< "	const char * name;" << std::endl
-				<< "} embed_vec[] = {" << std::endl;*/
-		while( embedded_data.size() > 0 )
-		{
-			embed * e = embedded_data[0];
-			std::cout << "	{ " << e->size << ", " << e->cname <<
-						"_data, " << "\"" << e->name <<
-							"\" }," << std::endl;
-			delete e;
-			embedded_data.erase( embedded_data.begin() );
-		}
-		std::cout << "	{ 0, 0, 0 }" << std::endl << "};" << std::endl
-								<< std::endl
-				<< "static const embed::descriptor & "
-				   "findEmbeddedData( const char * _name )"
-				<< std::endl << "{" << std::endl
-				<< "	for( int i = 0; embed_vec[i].data; "
-							"i++ )" << std::endl
-				<< "	{" << std::endl
-				<< "		if( strcmp( embed_vec[i].name, "
-						"_name ) == 0 )" << std::endl
-				<< "		{" << std::endl
-				<< "			return( "
-						"embed_vec[i] );" << std::endl
-				<< "		}" << std::endl
-				<< "	}" << std::endl
-/*				<< "	printf( \"warning: embedded resource "
-						"%s not found!\\n\", _name );"
-								<< std::endl*/
-				<< "	return( findEmbeddedData( "
-						"\"dummy\" ) );" << std::endl
-				<< "}" << std::endl << std::endl;
-	}
-	std::cout << "#endif" << std::endl;
-	return( 0 );
-}
-
-
-
-
-std::string convertFileNameToCIdentifier( const std::string & _s )
-{
-	std::string r = _s;
-	int len = r.length();
-	if ( len > 0 && !isalpha( (char)r[0] ) )
-	{
-		r[0] = '_';
-	}
-	for ( int i = 1; i < len; i++ )
-	{
-		if ( !isalnum( (char)r[i] ) )
-		{
-			r[i] = '_';
-		}
-	}
-	return( r );
-}
-
-
-
-
-void embedData( const char * _input, int _nbytes, std::ostream & _output )
-{
-	static const char hexdigits[] = "0123456789abcdef";
-	std::string s;
-	for( int i = 0; i < _nbytes; i++ )
-	{
-		if( ( i%14 ) == 0 )
-		{
-			s += "\n    ";
-			_output << s;
-			s = "";
-		}
-		unsigned int v = _input[i];
-		s += "0x";
-		s += hexdigits[(v >> 4) & 15];
-		s += hexdigits[v & 15];
-		if( i < _nbytes-1 )
-		{
-			s += ',';
-		}
-	}
-	if ( s.length() )
-	{
-		_output << s;
-	}
-}
-

buildtools/update_locales

@@ -0,0 +1,71 @@
+#!/bin/bash
+aberr(){ printf "[\e[31mERROR\e[0m]: \e[1m%s\e[0m\n" "$*" >&2; }
+abinfo(){ printf "[\e[96mINFO\e[0m]: \e[1m%s\e[0m\n" "$*" >&2; }
+
+function upload_to_tx() {
+  if ! which tx > /dev/null; then
+    aberr "You don't have Transifex client installed. \n Run \`pip install transifex-client\` to install it."
+    exit 1
+  fi
+  abinfo "Uploading to transifex..."
+  if ! tx push -s; then
+    aberr "Problems occurred when uploading strings to Transifex."
+    printf "\t Either there are syntax errors in source file or you don't have permission to update the source file."
+    exit 1
+  fi
+  exit 0
+}
+
+function validate() {
+  ERR_LANG=""
+  ERR_BUF=""
+  for i in data/locale/*.ts; do
+    if ! ERR_BUF=$(lconvert-qt5 -i "${i}" -o "/tmp/test.qm" -of qm 2>&1); then
+      ERR_LANG+="\e[96m$(basename "${i}")\e[0m: \e[93m${ERR_BUF}\e[0m "
+      printf "\e[31mx\e[0m"
+      continue
+    fi
+    printf "\e[32m.\e[0m"
+  done
+  echo ""
+  if [[ "x${ERR_LANG}" != "x" ]]; then
+    aberr "The following files failed the validation: "
+    echo -e "${ERR_LANG}"
+  fi
+}
+
+abinfo "Checking for your environment..."
+if ! which lupdate-qt5 > /dev/null; then
+  aberr "You don't seem to have Qt i18n tools installed."
+  printf "\tUsually this comes with your Qt installation, or you need to\n"
+  printf "\tinstall extra packages like \`qt5-tools\` or similar.\n"
+  exit 1;
+fi
+
+abinfo "Scanning directories..."
+
+if test -d src/3rdparty/qt5-x11embed/3rdparty/ECM/; then
+  # prevent from collecting strings in ECM
+  rm -rf src/3rdparty/qt5-x11embed/3rdparty/ECM/
+fi
+
+if ! lupdate-qt5 -I include/ src/ plugins/ -ts data/locale/en.ts; then
+  aberr "There are some problems when collecting the strings."
+  exit 1
+fi
+
+abinfo "Validating translations..."
+validate
+
+abinfo "Translations successfully updated."
+printf "Do you want to upload translations to Transifex? [y/N]: "
+read -n 1 -r TX
+echo ""
+
+if [[ "$TX" == "y" || "$TX" == "Y" ]]; then
+  upload_to_tx
+fi
+
+abinfo "No upload as required."
+
+exit 0

cmake/CMakeLists.txt

@@ -9,7 +9,7 @@ IF(VERSION_STAGE)
 	SET(CPACK_PACKAGE_VERSION_PATCH         "${CPACK_PACKAGE_VERSION_PATCH}-${VERSION_STAGE}")
 ENDIF()
 IF(VERSION_BUILD)
-	SET(CPACK_PACKAGE_VERSION_PATCH         "${CPACK_PACKAGE_VERSION_PATCH}.${VERSION_BUILD}")
+	SET(CPACK_PACKAGE_VERSION_PATCH         "${CPACK_PACKAGE_VERSION_PATCH}-${VERSION_BUILD}")
 ENDIF()
 SET(CPACK_PACKAGE_INSTALL_DIRECTORY             "${PROJECT_NAME_UCASE}")
 SET(CPACK_SOURCE_GENERATOR                      "TBZ2")

cmake/apple/CMakeLists.txt

@@ -1,4 +1,4 @@
-SET(MACOSX_BUNDLE_ICON_FILE             "lmms.icns")
+SET(MACOSX_BUNDLE_ICON_FILE             "icon.icns")
 SET(MACOSX_BUNDLE_GUI_IDENTIFIER        "${PROJECT_NAME_UCASE}")
 SET(MACOSX_BUNDLE_LONG_VERSION_STRING   "${VERSION}")
 SET(MACOSX_BUNDLE_BUNDLE_NAME           "${PROJECT_NAME_UCASE}")
@@ -9,6 +9,11 @@ SET(MACOSX_BUNDLE_MIMETYPE              "application/x-lmms-project")
 SET(MACOSX_BUNDLE_MIMETYPE_ICON         "project.icns")
 SET(MACOSX_BUNDLE_MIMETYPE_ID           "io.lmms")
 SET(MACOSX_BUNDLE_PROJECT_URL           "${PROJECT_URL}")
+SET(MACOSX_BUNDLE_DMG_TITLE             "${MACOSX_BUNDLE_BUNDLE_NAME} ${MACOSX_BUNDLE_LONG_VERSION_STRING}")
+
+# FIXME: appdmg won't allow volume names > 27 char
+# See also https://github.com/LinusU/node-appdmg/issues/48
+STRING(SUBSTRING "${MACOSX_BUNDLE_DMG_TITLE}" 0 27 MACOSX_BUNDLE_DMG_TITLE)
 
 CONFIGURE_FILE("lmms.plist.in"          "${CMAKE_BINARY_DIR}/Info.plist")
 CONFIGURE_FILE("install_apple.sh.in"    "${CMAKE_BINARY_DIR}/install_apple.sh" @ONLY)

cmake/apple/install_apple.sh.in

@@ -1,114 +1,117 @@
 #!/bin/bash
-#title         :install_apple.sh
-#description   :Creates Apple ".app" bundle for LMMS
-#author        :Tres Finocchiaro
-#date          :20140504
-#version       :1.1
-#usage         :bash create_applet_installer.sh
-#notes         :See also https://github.com/LMMS
-#notes         :Troubleshooting try: export DYLD_PRINT_LIBRARIES=1; export VERBOSE=1;
-#requires      :deploymacqt
-#=========================================================================================
+# Creates Apple ".app" bundle for @PROJECT_NAME_UCASE@
+# Note:
+#   Examine linkings using `otool -L somelib.so`
+#   Debug the loading of dynamic libraries using `export DYLD_PRINT_LIBRARIES=1`
+
+set -e
+
 # STK rawwaves directory
-STK_RAWWAVE=$HOME/stk-*/rawwaves
- 
+STK_RAWWAVE=$(brew --prefix stk)/share/stk/rawwaves
+
 # Place to create ".app" bundle
 APP="@CMAKE_BINARY_DIR@/@PROJECT_NAME_UCASE@.app"
- 
-# MacPorts installs libreadline with wrong permissions
-LIBREADLINE="libreadline.6.2.dylib"
- 
-#=========================================================================================
 
 MSG_COLOR='\x1B[1;36m'
 COLOR_RESET='\x1B[0m'
 echo -e "$MSG_COLOR\n\nCreating App Bundle \"$APP\"...$COLOR_RESET"
 
-# Locate macdeployqt, assume homebrew & Qt5
-which macdeployqt > /dev/null 2>&1
-if [ $? -ne 0 ]; then
-  brew --prefix qt55 > /dev/null 2>&1
-  if [ $? -eq 0 ]; then
-    # Prefer Qt 5.5 (QTBUG-53533)
-    export PATH=$PATH:$(brew --prefix qt55)/bin
-  else
-    # Fallback Qt 5.6+
-  	export PATH=$PATH:$(brew --prefix qt5)/bin
-  fi
-fi
- 
-# MacPorts only - check for u+w permissions on libreadline
-if [ -f "@APPLE_PREFIX@/lib/$LIBREADLINE" ]; then
-  CHECKREADLINE=$(stat -f "%p" @APPLE_PREFIX@/lib/$LIBREADLINE)
-  CHECKREADLINE=${CHECKREADLINE:3:1}
-  if [ "${CHECKREADLINE}" != "7" ]; then
-    echo -e "\n\n\t\t\t\t***********\n\t\t\t\t* WARNING *\n\t\t\t\t***********"
-    echo -e "File $LIBREADLINE is not marked as user writable."
-    echo -e "This will break macdeployqt's linking process after it is copied."
-    echo -e "A sudo password is required to elevate and fix using chmod u+w."
-    echo -e "\nPLEASE ENTER SUDO PASSWORD:"
-    sudo chmod u+w "@APPLE_PREFIX@/lib/$LIBREADLINE"
-  fi
-fi
- 
+qtpath="$(dirname "@QT_QMAKE_EXECUTABLE@")"
+export PATH="$PATH:$qtpath"
+
 # Remove any old .app bundles
 rm -Rf "$APP"
 
 # Copy/overwrite Info.plist
-\cp  "@CMAKE_BINARY_DIR@/Info.plist" "@CMAKE_INSTALL_PREFIX@/"
- 
-# Create new bundle, copy our built code to it
-mkdir -p "$APP"
-cd "@CMAKE_INSTALL_PREFIX@"
-mkdir "$APP/Contents"
-cp -R * "$APP/Contents"
- 
-# Manually copy STK rawwaves
+command cp  "@CMAKE_BINARY_DIR@/Info.plist" "@CMAKE_INSTALL_PREFIX@/"
+
+# Create .app bundle containing contents from CMAKE_INSTALL_PREFIX
+mkdir -p "$APP/Contents/MacOS"
+mkdir -p "$APP/Contents/Frameworks"
+mkdir -p "$APP/Contents/Resources"
 mkdir -p "$APP/Contents/share/stk/rawwaves"
-cp $STK_RAWWAVE/*.raw "$APP/Contents/share/stk/rawwaves" > /dev/null 2>&1
- 
+cd "@CMAKE_INSTALL_PREFIX@"
+cp -R ./* "$APP/Contents"
+cp "@CMAKE_SOURCE_DIR@/cmake/apple/"*.icns "$APP/Contents/Resources/"
+cp "$STK_RAWWAVE"/*.raw "$APP/Contents/share/stk/rawwaves" > /dev/null 2>&1
+
 # Make all libraries writable for macdeployqt
 cd "$APP"
 find . -type f -print0 | xargs -0 chmod u+w
- 
-# Move lmms binary to the proper location
-mkdir -p "$APP/Contents/MacOS"
-mv "$APP/Contents/bin/lmms" "$APP/Contents/MacOS/lmms"
-rm -rf "$APP/Contents/bin"
- 
-# Move libraries to proper locations
-mkdir -p "$APP/Contents/Frameworks"
-mv "$APP/Contents/lib/lmms/RemoteZynAddSubFx" \
-   "$APP/Contents/MacOS/RemoteZynAddSubFx"
-   
-rm "$APP/Contents/Frameworks/libZynAddSubFxCore.dylib" > /dev/null 2>&1
 
-# Fix zyn linking 
+lmmsbin="MacOS/@CMAKE_PROJECT_NAME@"
+zynlib="lib/lmms/libzynaddsubfx.so"
+zynfmk="Frameworks/libZynAddSubFxCore.dylib"
+zynbin="MacOS/RemoteZynAddSubFx"
+
+# Move lmms binary
+mv "$APP/Contents/bin/@CMAKE_PROJECT_NAME@" "$APP/Contents/$lmmsbin"
+
+# Fix zyn linking
+mv "$APP/Contents/lib/lmms/RemoteZynAddSubFx" "$APP/Contents/$zynbin"
+mv "$APP/Contents/lib/lmms/libZynAddSubFxCore.dylib" "$APP/Contents/$zynfmk"
+
 install_name_tool -change @rpath/libZynAddSubFxCore.dylib \
-   @loader_path/../lib/lmms/libZynAddSubFxCore.dylib \
-  "$APP/Contents/MacOS/RemoteZynAddSubFx"
- 
+   @loader_path/../$zynfmk \
+  "$APP/Contents/$zynbin"
+
+install_name_tool -change @rpath/libZynAddSubFxCore.dylib \
+   @loader_path/../../$zynfmk \
+  "$APP/Contents/$zynlib"
+  
+# Replace @rpath with @loader_path for Carla
+# See also plugins/carlabase/CMakeLists.txt
+# This MUST be done BEFORE calling macdeployqt
+install_name_tool -change @rpath/libcarlabase.dylib \
+   @loader_path/libcarlabase.dylib \
+  "$APP/Contents/lib/lmms/libcarlapatchbay.so"
+
+install_name_tool -change @rpath/libcarlabase.dylib \
+  @loader_path/libcarlabase.dylib \
+  "$APP/Contents/lib/lmms/libcarlarack.so"
+
+# Link lmms binary
+_executables="${_executables} -executable=$APP/Contents/$zynbin"
+_executables="${_executables} -executable=$APP/Contents/$zynfmk"
+
 # Build a list of shared objects in target/lib/lmms
 for file in "$APP/Contents/lib/lmms/"*.so; do
    _thisfile="$APP/Contents/lib/lmms/${file##*/}"
    _executables="${_executables} -executable=$_thisfile"
 done
- 
+
 # Build a list of shared objects in target/lib/lmms/ladspa
 for file in "$APP/Contents/lib/lmms/ladspa/"*.so; do
    _thisfile="$APP/Contents/lib/lmms/ladspa/${file##*/}"
    _executables="${_executables} -executable=$_thisfile"
 done
- 
-# Additional binaries that require linking
-_executables="${_executables} -executable=$APP/Contents/MacOS/RemoteZynAddSubFx"
-_executables="${_executables} -executable=$APP/Contents/lib/lmms/libZynAddSubFxCore.dylib"
 
-# Build our App Package using "macdeployqt"
+# Finalize .app
+# shellcheck disable=SC2086
 macdeployqt "$APP" $_executables
 
-# OS X Specific Artwork
-mkdir -p "$APP/Contents/Resources"
-cp "@CMAKE_SOURCE_DIR@/cmake/apple/"*.icns "$APP/Contents/Resources/"
+# Carla is a standalone plugin.  Remove library, look for it side-by-side LMMS.app
+# This MUST be done AFTER calling macdeployqt
+#
+# For example:
+#    /Applications/LMMS.app
+#    /Applications/Carla.app
+carlalibs=$(echo "@CARLA_LIBRARIES@"|tr ";" "\n")
 
+# Loop over all libcarlas, fix linking
+for file in "$APP/Contents/lib/lmms/"libcarla*; do
+   _thisfile="$APP/Contents/lib/lmms/${file##*/}"
+   for lib in $carlalibs; do
+     _oldpath="../../Frameworks/lib${lib}.dylib"
+     _newpath="Carla.app/Contents/MacOS/lib${lib}.dylib"
+     # shellcheck disable=SC2086
+     install_name_tool -change @loader_path/$_oldpath \
+       @executable_path/../../../$_newpath \
+       "$_thisfile"
+     rm -f "$APP/Contents/Frameworks/lib${lib}.dylib"
+   done
+done
+
+# Cleanup
+rm -rf "$APP/Contents/bin"
 echo -e "\nFinished.\n\n"

cmake/apple/lmms.plist.in

@@ -143,5 +143,11 @@
                 </dict>
             </dict>
         </array>
+        <key>NSPrincipalClass</key>
+        <string>NSApplication</string>
+        <key>NSHighResolutionCapable</key>
+        <string>True</string>
+        <key>NSRequiresAquaSystemAppearance</key>
+        <string>False</string>
   </dict>
 </plist>

cmake/apple/package_apple.json.in

@@ -1,9 +1,9 @@
 {
- "title": "@MACOSX_BUNDLE_BUNDLE_NAME@ @MACOSX_BUNDLE_LONG_VERSION_STRING@",
+ "title": "@MACOSX_BUNDLE_DMG_TITLE@",
  "background": "@CMAKE_SOURCE_DIR@/cmake/apple/dmg_branding.png",
- "icon-size": 72,
+ "icon-size": 128,
  "contents": [
-   { "x": 460, "y": 260, "type": "link", "path": "/Applications" },
-   { "x": 220, "y": 260, "type": "file", "path": "@CMAKE_BINARY_DIR@/@MACOSX_BUNDLE_BUNDLE_NAME@.app" }
+   { "x": 139, "y": 200, "type": "file", "path": "@CMAKE_BINARY_DIR@/@MACOSX_BUNDLE_BUNDLE_NAME@.app" },
+   { "x": 568, "y": 200, "type": "link", "path": "/Applications" }
  ]
 }

cmake/build_mingw32.sh

@@ -1,24 +0,0 @@
-#!/usr/bin/env bash
-
-# Accomodate both linux windows mingw locations
-MINGW=/mingw32
-if [ -z "$MSYSCON" ]; then
-	MINGW=/opt$MINGW
-else
-	CMAKE_OPTS="$CMAKE_OPTS -DLMMS_BUILD_MSYS=1"
-fi
-
-export PATH=$PATH:$MINGW/bin
-export CFLAGS="-march=pentium3 -mtune=generic -mpreferred-stack-boundary=5 -mfpmath=sse"
-export CXXFLAGS="$CFLAGS"
-
-if [ "$1" = "-qt5" ]; then
-	QT5=True
-fi
-
-if [ $QT5 ]; then
-	CMAKE_OPTS="-DWANT_QT5=$QT5 -DCMAKE_PREFIX_PATH=$MINGW $CMAKE_OPTS"
-fi
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-cmake $DIR/.. -DCMAKE_TOOLCHAIN_FILE=$DIR/../cmake/modules/Win32Toolchain.cmake -DCMAKE_MODULE_PATH=$DIR/../cmake/modules/ $CMAKE_OPTS

cmake/build_mingw64.sh

@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-
-# Accomodate both linux windows mingw locations
-MINGW=/mingw64
-if [ -z "$MSYSCON" ]; then
-	MINGW=/opt$MINGW
-else
-	CMAKE_OPTS="$CMAKE_OPTS -DLMMS_BUILD_MSYS=1"
-fi
-
-export PATH=$PATH:$MINGW/bin
-
-if [ "$1" = "-qt5" ]; then
-        QT5=True
-fi
-
-if [ $QT5 ]; then
-        CMAKE_OPTS="-DWANT_QT5=$QT5 -DCMAKE_PREFIX_PATH=$MINGW $CMAKE_OPTS"
-fi
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-cmake $DIR/.. -DCMAKE_TOOLCHAIN_FILE=$DIR/../cmake/modules/Win64Toolchain.cmake -DCMAKE_MODULE_PATH=$DIR/../cmake/modules/ $CMAKE_OPTS

cmake/build_win32.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Accomodate both linux windows mingw locations
+if [ -z "$ARCH" ]; then
+	ARCH=32
+fi
+
+MINGW=/mingw$ARCH
+
+if [ -z "$MSYSCON" ]; then
+	MINGW=/opt$MINGW
+
+	DISTRO=$(lsb_release -si)
+	DISTRO_VERSION=$(lsb_release -sr)
+
+	if [ "$DISTRO" != "Ubuntu" ]; then
+		echo "This script only supports Ubuntu"
+		exit 1
+	fi
+
+	if [ "$DISTRO_VERSION" == "14.04" ]; then
+		TOOLCHAIN="$DIR/toolchains/Ubuntu-MinGW-X-Trusty-$ARCH.cmake"
+	else
+		TOOLCHAIN="$DIR/toolchains/Ubuntu-MinGW-W64-$ARCH.cmake"
+	fi
+else
+	TOOLCHAIN="$DIR/toolchains/MSYS-$ARCH.cmake"
+fi
+
+export PATH=$MINGW/bin:$PATH
+export CXXFLAGS="$CFLAGS"
+if [ "$ARCH" == "32" ]; then
+	export CFLAGS="-march=pentium3 -mtune=generic -mpreferred-stack-boundary=5 -mfpmath=sse"
+fi
+
+CMAKE_OPTS="-DCMAKE_PREFIX_PATH=$MINGW $CMAKE_OPTS"
+
+# shellcheck disable=SC2086
+cmake "$DIR/.." -DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN" $CMAKE_OPTS

cmake/build_win64.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+ARCH=64 "$DIR/build_win32.sh"

cmake/install/CMakeLists.txt

@@ -0,0 +1,42 @@
+SET(PLUGIN_FILES "")
+IF(LMMS_BUILD_WIN32)
+	INSTALL(FILES $<TARGET_FILE:Qt5::QWindowsIntegrationPlugin> DESTINATION platforms)
+ENDIF()
+
+IF(LMMS_BUILD_WIN32 OR LMMS_INSTALL_DEPENDENCIES)
+	include(InstallTargetDependencies)
+
+	# Collect directories to search for DLLs
+	GET_FILENAME_COMPONENT(QTBIN_DIR "${QT_QMAKE_EXECUTABLE}" PATH)
+	set(LIB_DIRS "${QTBIN_DIR}")
+
+	GET_PROPERTY(PLUGINS_BUILT GLOBAL PROPERTY PLUGINS_BUILT)
+
+	IF(LMMS_BUILD_WIN32)
+		SET(LMMS_DEP_DESTINATION ${BIN_DIR})
+		SET(PLUGIN_DEP_DESTINATION ${BIN_DIR})
+	ELSE()
+		SET(LMMS_DEP_DESTINATION ${LIB_DIR})
+		SET(PLUGIN_DEP_DESTINATION ${LIB_DIR})
+	ENDIF()
+
+	INSTALL_TARGET_DEPENDENCIES(
+			NAME "main_binary"
+			TARGETS lmms
+			DESTINATION "${LMMS_DEP_DESTINATION}"
+			LIB_DIRS  ${LIB_DIRS}
+	)
+
+	INSTALL_TARGET_DEPENDENCIES(
+			NAME "plugins"
+			TARGETS ${PLUGINS_BUILT}
+			DESTINATION ${PLUGIN_DEP_DESTINATION}
+			LIB_DIRS ${LIB_DIRS} "${PLUGIN_DIR}" "${PLUGIN_DIR}/optional"
+			SEARCH_PATHS "${PLUGIN_DIR}" "${PLUGIN_DIR}/optional"
+	)
+ENDIF()
+
+IF(LMMS_BUILD_APPLE)
+	INSTALL(CODE "EXECUTE_PROCESS(COMMAND chmod u+x ${CMAKE_BINARY_DIR}/install_apple.sh)")
+	INSTALL(CODE "EXECUTE_PROCESS(COMMAND ${CMAKE_BINARY_DIR}/install_apple.sh)")
+ENDIF()

cmake/install/excludelist-win

@@ -0,0 +1,23 @@
+# List of DLLs considered to be system libraries.
+# This is needed when cross-compiling for Windows.
+ADVAPI32.dll
+COMCTL32.dll
+comdlg32.dll
+dwmapi.dll
+GDI32.dll
+IMM32.dll
+KERNEL32.dll
+MPR.DLL
+msvcrt.dll
+ole32.dll
+OLEAUT32.dll
+OPENGL32.DLL
+SHELL32.dll
+USER32.dll
+UxTheme.dll
+VERSION.dll
+WINMM.DLL
+WS2_32.dll
+RPCRT4.dll
+dsound.dll
+SETUPAPI.dll

cmake/linux/CMakeLists.txt

@@ -1,4 +1,19 @@
-INSTALL(FILES lmms.png                  DESTINATION "${DATA_DIR}/pixmaps")
-INSTALL(FILES lmms                      DESTINATION "${DATA_DIR}/menu")
+INSTALL(DIRECTORY icons/                DESTINATION "${DATA_DIR}/icons/hicolor")
 INSTALL(FILES lmms.desktop              DESTINATION "${DATA_DIR}/applications")
 INSTALL(FILES lmms.xml                  DESTINATION "${DATA_DIR}/mime/packages")
+
+# AppImage creation target
+SET(APPIMAGE_FILE "${CMAKE_BINARY_DIR}/${CMAKE_PROJECT_NAME}-${VERSION}-linux-${CMAKE_SYSTEM_PROCESSOR}.AppImage")
+
+CONFIGURE_FILE("package_linux.sh.in"    "${CMAKE_BINARY_DIR}/package_linux.sh" @ONLY)
+
+FILE(REMOVE "${APPIMAGE_FILE}")
+ADD_CUSTOM_TARGET(removeappimage
+	COMMAND rm -f "${APPIMAGE_FILE}"
+	COMMENT "Removing old AppImage")
+ADD_CUSTOM_TARGET(appimage 
+	COMMAND chmod +x "${CMAKE_BINARY_DIR}/package_linux.sh"
+	COMMAND "${CMAKE_BINARY_DIR}/package_linux.sh"
+	COMMENT "Generating AppImage"
+	WORKING_DIRECTORY "${CMAKE_BINARY_DIR}")
+ADD_DEPENDENCIES(appimage removeappimage)

cmake/linux/icons/scalable/apps/lmms.svg

@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="64"
+   height="64"
+   id="svg4034"
+   version="1.1"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   inkscape:export-filename="64x64@2.png"
+   inkscape:export-xdpi="192"
+   inkscape:export-ydpi="192"
+   sodipodi:docname="lmms.svg">
+  <defs
+     id="defs4036">
+    <filter
+       inkscape:collect="always"
+       style="color-interpolation-filters:sRGB"
+       id="filter4173"
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+       width="1.0234286"
+       y="-0.0123"
+       height="1.0246">
+      <feGaussianBlur
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+         stdDeviation="0.205"
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+       xlink:href="#linearGradient4244-6"
+       id="linearGradient866"
+       x1="35"
+       y1="-14"
+       x2="35"
+       y2="27"
+       gradientUnits="userSpaceOnUse" />
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+       id="linearGradient4244-6"
+       inkscape:collect="always">
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+         id="stop4428"
+         offset="0"
+         style="stop-color:#27ab5f;stop-opacity:1" />
+      <stop
+         id="stop4430"
+         offset="1"
+         style="stop-color:#249a56;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="1.4142135"
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+     inkscape:window-height="705"
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+       orientation="0,1"
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+       inkscape:locked="false" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4039">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <rect
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+     y="4"
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+  <rect
+     rx="3"
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+     x="5"
+     height="54"
+     width="54"
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+</svg>

cmake/linux/icons/scalable/mimetypes/application-x-lmms-project.svg

@@ -0,0 +1,173 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="64"
+   height="64"
+   id="svg4034"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   inkscape:export-filename="/home/umcaruje/d/Dropbox/lmms icons/project-256x256.png"
+   inkscape:export-xdpi="360"
+   inkscape:export-ydpi="360"
+   sodipodi:docname="application-x-lmms-project.svg"
+   enable-background="new">
+  <defs
+     id="defs4036">
+    <linearGradient
+       id="linearGradient4244-6"
+       inkscape:collect="always">
+      <stop
+         id="stop4428"
+         offset="0"
+         style="stop-color:#27ab5f;stop-opacity:1" />
+      <stop
+         id="stop4430"
+         offset="1"
+         style="stop-color:#249a56;stop-opacity:1" />
+    </linearGradient>
+    <filter
+       inkscape:collect="always"
+       style="color-interpolation-filters:sRGB"
+       id="filter4400"
+       x="-0.024"
+       width="1.048"
+       y="-0.024"
+       height="1.048">
+      <feGaussianBlur
+         inkscape:collect="always"
+         stdDeviation="0.14999999"
+         id="feGaussianBlur4402" />
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+    <linearGradient
+       inkscape:collect="always"
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+       id="linearGradient4432"
+       gradientUnits="userSpaceOnUse"
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+      <path
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cmake/linux/launch_lmms.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+export PATH="$PATH:/sbin"
+if command -v carla > /dev/null 2>&1; then
+   CARLAPATH="$(command -v carla)"
+   CARLAPREFIX="${CARLAPATH%/bin*}"
+   echo "Carla appears to be installed on this system at $CARLAPREFIX/lib[64]/carla so we'll use it."
+   export LD_LIBRARY_PATH=$CARLAPREFIX/lib/carla:$CARLAPREFIX/lib64/carla:$LD_LIBRARY_PATH
+else
+   echo "Carla does not appear to be installed.  That's OK, please ignore any related library errors."
+fi
+export LD_LIBRARY_PATH=$DIR/usr/lib/:$DIR/usr/lib/lmms:$LD_LIBRARY_PATH
+# Prevent segfault on VirualBox
+if lsmod |grep vboxguest > /dev/null 2>&1; then
+   echo "VirtualBox detected.  Forcing libgl software rendering."
+   export LIBGL_ALWAYS_SOFTWARE=1;
+fi
+if ldconfig -p | grep libjack.so.0 > /dev/null 2>&1; then
+   echo "Jack appears to be installed on this system, so we'll use it."
+else
+   echo "Jack does not appear to be installed.  That's OK, we'll use a dummy version instead."
+   export LD_LIBRARY_PATH=$DIR/usr/lib/lmms/optional:$LD_LIBRARY_PATH
+fi
+QT_X11_NO_NATIVE_MENUBAR=1 "$DIR"/usr/bin/lmms.real "$@"

cmake/linux/lmms

@@ -1,4 +1,4 @@
 ?package(lmms):needs="X11" section="Apps/Sound" \
   title="LMMS" hints="Audio" command="/usr/bin/lmms" \
   longtitle="LMMS" \
-  icon="/usr/share/pixmaps/lmms.png"
+  icon="/usr/share/icons/hicolor/scalable/apps/lmms.svg"

cmake/linux/lmms.desktop

@@ -1,14 +1,16 @@
 [Desktop Entry]
 Name=LMMS
-GenericName=music production suite
+GenericName=Music production suite
 GenericName[ca]=Programari de producció musical
 GenericName[de]=Software zur Musik-Produktion
-GenericName[fr]=Ensemble pour la production musicale
-Comment=easy music production for everyone!
+GenericName[fr]=Suite de production musicale
+GenericName[pl]=Narzędzia do produkcji muzyki
+Comment=Music sequencer and synthesizer
 Comment[ca]=Producció fàcil de música per a tothom!
-Comment[fr]=Production facile de musique pour tout le monde !
+Comment[fr]=Séquenceur et synthétiseur de musique
+Comment[pl]=Prosta produkcja muzyki dla każdego!
 Icon=lmms
-Exec=env QT_X11_NO_NATIVE_MENUBAR=1 lmms %f
+Exec=lmms %f
 Terminal=false
 Type=Application
 Categories=Qt;AudioVideo;Audio;Midi;

cmake/linux/lmms.spec.in

@@ -26,7 +26,7 @@ Release:	%{release}
 Summary:	powerful sequencer-, synthesizer- and sample-studio for Linux
 Summary(de):	Leistungsfaehiges Sequenzer-, Synthesizer- und Sample-Studio fuer Linux
 License:	GPL
-URL:		http://lmms.io/
+URL:		https://lmms.io/
 Group:		Applications/Multimedia
 Provides:	lmms = %{version}-%{release}
 BuildRequires:	gcc gcc-c++ libstdc++-devel autoconf automake libtool make
@@ -197,4 +197,4 @@ desktop-file-install \
 -%changelog
 -* Please see release notes (viewable online):
 -- https://github.com/LMMS/lmms/releases/tag/v${LMMS_VERSION}
--
+-

cmake/linux/lmms.xml

@@ -4,11 +4,7 @@
     <sub-class-of type="application/xml"/>
     <comment>LMMS project</comment>
     <comment xml:lang="ca">Projecte LMMS</comment>
-    <glob pattern="*.mmp"/>
     <glob pattern="*.mmpz"/>
-    <magic priority="80">
-      <match type="string" value="&lt;!DOCTYPE multimedia-project" offset="0:256"/>
-      <match type="string" value="&lt;multimedia-project" offset="0:64"/>
-    </magic>
+    <glob pattern="*.mmp"/>
   </mime-type>
 </mime-info>

cmake/linux/package_linux.sh.in

@@ -0,0 +1,194 @@
+#!/usr/bin/env bash
+# Creates Linux ".AppImage" for @PROJECT_NAME_UCASE@
+#
+# Depends:  linuxdeployqt
+#
+# Notes:    Will attempt to fetch linuxdeployqt automatically (x86_64 only)
+#           See Also: https://github.com/probonopd/linuxdeployqt/blob/master/BUILDING.md
+
+set -e
+
+LINUXDEPLOYQT="@CMAKE_BINARY_DIR@/linuxdeployqt"
+VERBOSITY=2 # 3=debug
+LOGFILE="@CMAKE_BINARY_DIR@/appimage.log"
+APPDIR="@CMAKE_BINARY_DIR@/@PROJECT_NAME_UCASE@.AppDir/"
+DESKTOPFILE="${APPDIR}usr/share/applications/lmms.desktop"
+STRIP=""
+
+# Don't strip for Debug|RelWithDebInfo builds
+# shellcheck disable=SC2193
+if [[ "@CMAKE_BUILD_TYPE@" == *"Deb"* ]]; then
+	STRIP="-no-strip"
+fi
+
+# Console colors
+RED="\\x1B[1;31m"
+GREEN="\\x1B[1;32m"
+YELLOW="\\x1B[1;33m"
+PLAIN="\\x1B[0m"
+
+function error {
+	echo -e "   ${PLAIN}[${RED}error${PLAIN}] ${1}"
+	return 1
+}
+
+function success {
+	echo -e "   ${PLAIN}[${GREEN}success${PLAIN}] ${1}"
+}
+
+function skipped {
+	echo -e "   ${PLAIN}[${YELLOW}skipped${PLAIN}] ${1}"
+}
+
+# Blindly assume system arch is appimage arch
+ARCH=$(arch)
+export ARCH
+
+# Check for problematic install locations
+INSTALL=$(echo "@CMAKE_INSTALL_PREFIX@" | sed 's/\/*$//g')
+if [ "$INSTALL" == "/usr/local" ] || [ "$INSTALL" == "/usr" ] ; then
+	error "Incompatible CMAKE_INSTALL_PREFIX for creating AppImage: @CMAKE_INSTALL_PREFIX@"
+fi
+
+echo -e "\nWriting verbose output to \"${LOGFILE}\""
+
+# Ensure linuxdeployqt uses the same qmake version as cmake
+PATH="$(pwd -P)/squashfs-root/usr/bin:$(dirname "@QT_QMAKE_EXECUTABLE@")":$PATH
+export PATH
+
+# Fetch portable linuxdeployqt if not in PATH
+APPIMAGETOOL="squashfs-root/usr/bin/appimagetool"
+echo -e "\nDownloading linuxdeployqt to ${LINUXDEPLOYQT}..."
+if env -i which linuxdeployqt > /dev/null 2>&1; then
+	skipped "System already provides this utility"
+else
+	filename="linuxdeployqt-continuous-$(uname -p).AppImage"
+	url="https://github.com/probonopd/linuxdeployqt/releases/download/continuous/$filename"
+	down_file="$(pwd)/$filename"
+	if [ ! -f "$LINUXDEPLOYQT" ]; then
+		ln -s "$down_file" "$LINUXDEPLOYQT"
+	fi
+	echo "   [.......] Downloading ($(uname -p)): ${url}"
+	wget -N -q "$url" || (rm "$filename" && false)
+	chmod +x "$LINUXDEPLOYQT"
+	success "Downloaded $LINUXDEPLOYQT"
+	# Extract AppImage and replace LINUXDEPLOYQT variable with extracted binary
+	# to support systems without fuse
+	# Also, we need to set LD_LIBRARY_PATH, but linuxdepoyqt's AppRun unsets it
+	# See https://github.com/probonopd/linuxdeployqt/pull/370/
+	"$LINUXDEPLOYQT" --appimage-extract > /dev/null 2>&1
+	LINUXDEPLOYQT="squashfs-root/usr/bin/linuxdeployqt"
+	success "Extracted $APPIMAGETOOL"
+fi
+
+# Make skeleton AppDir
+echo -e "\nCreating ${APPDIR}..."
+rm -rf "${APPDIR}"
+mkdir -p "${APPDIR}usr"
+success "Created ${APPDIR}"
+
+# Clone install to AppDir
+echo -e "\nCopying @CMAKE_INSTALL_PREFIX@ to ${APPDIR}..."
+cp -R "@CMAKE_INSTALL_PREFIX@/." "${APPDIR}usr"
+rm -rf "${APPDIR}usr/include"
+success "${APPDIR}"
+
+# Copy rawwaves directory for stk/mallets
+mkdir -p "${APPDIR}usr/share/stk/"
+cp -R /usr/share/stk/rawwaves/ "${APPDIR}usr/share/stk/"
+
+# Create a wrapper script which calls the lmms executable
+mv "${APPDIR}usr/bin/lmms" "${APPDIR}usr/bin/lmms.real"
+
+cp "@CMAKE_CURRENT_SOURCE_DIR@/launch_lmms.sh" "${APPDIR}usr/bin/lmms"
+
+chmod +x "${APPDIR}usr/bin/lmms"
+
+# Per https://github.com/probonopd/linuxdeployqt/issues/129
+unset LD_LIBRARY_PATH
+
+# Ensure linuxdeployqt can find shared objects
+export LD_LIBRARY_PATH="${APPDIR}"usr/lib/lmms/:"${APPDIR}"usr/lib/lmms/optional:"$LD_LIBRARY_PATH"
+
+# Move executables so linuxdeployqt can find them
+ZYNLIB="${APPDIR}usr/lib/lmms/RemoteZynAddSubFx"
+VSTLIB32="${APPDIR}usr/lib/lmms/32/RemoteVstPlugin32.exe.so"
+VSTLIB64="${APPDIR}usr/lib/lmms/RemoteVstPlugin64.exe.so"
+
+ZYNBIN="${APPDIR}usr/bin/RemoteZynAddSubFx"
+VSTBIN32="${APPDIR}usr/bin/RemoteVstPlugin32.exe.so"
+VSTBIN64="${APPDIR}usr/bin/RemoteVstPlugin64.exe.so"
+
+mv "$ZYNLIB" "$ZYNBIN"
+mv "$VSTLIB32" "$VSTBIN32" || true
+mv "$VSTLIB64" "$VSTBIN64" || true
+
+# Handle wine linking
+if [ -d "@WINE_32_LIBRARY_DIR@" ] && \
+		ldd "$VSTBIN32" | grep "libwine\.so" | grep "not found"; then
+   export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"@WINE_32_LIBRARY_DIRS@"
+fi
+if [ -d "@WINE_64_LIBRARY_DIR@" ] && \
+		ldd "$VSTBIN64" | grep "libwine\.so" | grep "not found"; then
+   export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"@WINE_64_LIBRARY_DIRS@"
+fi
+
+# Patch the desktop file
+sed -i 's/.*Exec=.*/Exec=lmms.real/' "$DESKTOPFILE"
+
+# Fix linking for soft-linked plugins
+for file in "${APPDIR}usr/lib/lmms/"*.so; do
+   thisfile="${APPDIR}usr/lib/lmms/${file##*/}"
+   executables="${executables} -executable=$thisfile"
+done
+executables="${executables} -executable=${ZYNBIN}"
+executables="${executables} -executable=${VSTBIN32}"
+executables="${executables} -executable=${VSTBIN64}"
+executables="${executables} -executable=${APPDIR}usr/lib/lmms/ladspa/imp_1199.so"
+executables="${executables} -executable=${APPDIR}usr/lib/lmms/ladspa/imbeq_1197.so"
+executables="${executables} -executable=${APPDIR}usr/lib/lmms/ladspa/pitch_scale_1193.so"
+executables="${executables} -executable=${APPDIR}usr/lib/lmms/ladspa/pitch_scale_1194.so"
+
+# Bundle both qt and non-qt dependencies into appimage format
+echo -e "\nBundling and relinking system dependencies..."
+echo -e ">>>>> linuxdeployqt" > "$LOGFILE"
+
+# shellcheck disable=SC2086
+"$LINUXDEPLOYQT" "$DESKTOPFILE" $executables -bundle-non-qt-libs -verbose=$VERBOSITY $STRIP >> "$LOGFILE" 2>&1
+success "Bundled and relinked dependencies"
+
+# Link to original location so lmms can find them
+ln -sr  "$ZYNBIN" "$ZYNLIB"
+ln -sr  "$VSTBIN32" "$VSTLIB32" || true
+ln -sr  "$VSTBIN64" "$VSTLIB64" || true
+
+# Remove wine library conflict
+rm -f "${APPDIR}/usr/lib/libwine.so.1"
+
+# Use system-provided carla
+rm -f "${APPDIR}usr/lib/"libcarla*.so
+rm -f "${APPDIR}usr/lib/lmms/optional/"libcarla*.so
+
+# Remove bundled jack in LD_LIBRARY_PATH if exists
+if [ -e "${APPDIR}/usr/lib/libjack.so.0" ]; then
+   rm "${APPDIR}/usr/lib/libjack.so.0"
+fi
+
+# Bundle jack out of LD_LIBRARY_PATH
+JACK_LIB=$(ldd "${APPDIR}/usr/bin/lmms.real" | sed -n 's/\tlibjack\.so\.0 => \(.\+\) (0x[0-9a-f]\+)/\1/p')
+if [ -e "$JACK_LIB" ]; then
+   mkdir -p "${APPDIR}usr/lib/lmms/optional/"
+   cp "$JACK_LIB" "${APPDIR}usr/lib/lmms/optional/"
+fi
+
+# Point the AppRun to the shim launcher
+rm -f "${APPDIR}/AppRun"
+ln -sr "${APPDIR}/usr/bin/lmms" "${APPDIR}/AppRun"
+
+# Create AppImage
+echo -e "\nFinishing the AppImage..."
+echo -e "\n\n>>>>> appimagetool" >> "$LOGFILE"
+"$APPIMAGETOOL" "${APPDIR}" "@APPIMAGE_FILE@" >> "$LOGFILE" 2>&1
+success "Created @APPIMAGE_FILE@"
+
+echo -e "\nFinished"

cmake/modules/BashCompletion.cmake

@@ -0,0 +1,93 @@
+# A wrapper around pkg-config-provided and cmake-provided bash completion that
+# will have dynamic behavior at INSTALL() time to allow both root-level
+# INSTALL() as well as user-level INSTALL().
+#
+# See also https://github.com/scop/bash-completion
+#
+# Copyright (c) 2018, Tres Finocchiaro, <tres.finocchiaro@gmail.com>
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+#
+# Usage:
+#    INCLUDE(BashCompletion)
+#    BASHCOMP_INSTALL(foo)
+#    ... where "foo" is a shell script adjacent to the CMakeLists.txt
+#
+# How it determines BASHCOMP_PKG_PATH, in order:
+#    1. Uses BASHCOMP_PKG_PATH if already set (e.g. -DBASHCOMP_PKG_PATH=...)
+#       a. If not, uses pkg-config's PKG_CHECK_MODULES to determine path
+#       b. Fallback to cmake's FIND_PACKAGE(bash-completion) path
+#       c. Fallback to hard-coded /usr/share/bash-completion/completions
+#    2. Final fallback to ${CMAKE_INSTALL_PREFIX}/share/bash-completion/completions if
+#       detected path is unwritable.
+
+# - Windows does not support bash completion
+# - macOS support should eventually be added for Homebrew (TODO)
+IF(WIN32)
+	MESSAGE(STATUS "Bash competion is not supported on this platform.")
+ELSEIF(APPLE)
+	MESSAGE(STATUS "Bash completion is not yet implemented for this platform.")
+ELSE()
+	INCLUDE(FindUnixCommands)
+	# Honor manual override if provided
+	IF(NOT BASHCOMP_PKG_PATH)
+		# First, use pkg-config, which is the most reliable
+		FIND_PACKAGE(PkgConfig QUIET)
+		IF(PKGCONFIG_FOUND)
+			PKG_CHECK_MODULES(BASH_COMPLETION bash-completion)
+			PKG_GET_VARIABLE(BASHCOMP_PKG_PATH bash-completion completionsdir)
+		ELSE()
+			# Second, use cmake (preferred but less common)
+			FIND_PACKAGE(bash-completion QUIET)
+			IF(BASH_COMPLETION_FOUND)
+				SET(BASHCOMP_PKG_PATH "${BASH_COMPLETION_COMPLETIONSDIR}")
+			ENDIF()
+		ENDIF()
+
+		# Third, use a hard-coded fallback value
+		IF("${BASHCOMP_PKG_PATH}" STREQUAL "")
+			SET(BASHCOMP_PKG_PATH "/usr/share/bash-completion/completions")
+		ENDIF()
+	ENDIF()
+
+	# Always provide a fallback for non-root INSTALL()
+	SET(BASHCOMP_USER_PATH "${CMAKE_INSTALL_PREFIX}/share/bash-completion/completions")
+
+	# Cmake doesn't allow easy use of conditional logic at INSTALL() time
+	# this is a problem because ${BASHCOMP_PKG_PATH} may not be writable and we
+	# need sane fallback behavior for bundled INSTALL() (e.g. .AppImage, etc).
+	#
+	# The reason this can't be detected by cmake is that it's fairly common to
+	# run "cmake" as a one user (i.e. non-root) and "make install" as another user
+	# (i.e. root).
+	#
+	# - Creates a script called "install_${SCRIPT_NAME}_completion.sh" into the
+	#   working binary directory and invokes this script at install.
+	# - Script handles INSTALL()-time conditional logic for sane ballback behavior
+	#   when ${BASHCOMP_PKG_PATH} is unwritable (i.e. non-root); Something cmake
+	#   can't handle on its own at INSTALL() time)
+	MACRO(BASHCOMP_INSTALL SCRIPT_NAME)
+		# A shell script for wrapping conditionl logic
+		SET(BASHCOMP_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/install_${SCRIPT_NAME}_completion.sh")
+
+		FILE(WRITE ${BASHCOMP_SCRIPT} "\
+#!${BASH}\n\
+set -e\n\
+if [ -w \"${BASHCOMP_PKG_PATH}\" ]; then\n\
+  BASHCOMP_PKG_PATH=\"${BASHCOMP_PKG_PATH}\"\n\
+else \n\
+  BASHCOMP_PKG_PATH=\"\$DESTDIR${BASHCOMP_USER_PATH}\"\n\
+fi\n\
+echo -e \"\\nInstalling bash completion...\\n\"\n\
+mkdir -p \"\$BASHCOMP_PKG_PATH\"\n\
+cp \"${CMAKE_CURRENT_SOURCE_DIR}/${SCRIPT_NAME}\" \"\$BASHCOMP_PKG_PATH\"\n\
+chmod a+r \"\$BASHCOMP_PKG_PATH/${SCRIPT_NAME}\"\n\
+echo -e \"Bash completion for ${SCRIPT_NAME} has been installed to \$BASHCOMP_PKG_PATH/${SCRIPT_NAME}\"\n\
+")
+		INSTALL(CODE "EXECUTE_PROCESS(COMMAND chmod u+x \"install_${SCRIPT_NAME}_completion.sh\" WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} )")
+		INSTALL(CODE "EXECUTE_PROCESS(COMMAND \"./install_${SCRIPT_NAME}_completion.sh\" WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} )")
+
+		MESSAGE(STATUS "Bash completion script for ${SCRIPT_NAME} will be installed to ${BASHCOMP_PKG_PATH} or fallback to ${BASHCOMP_USER_PATH} if unwritable.")
+	ENDMACRO()
+ENDIF()
+

cmake/modules/BuildPlugin.cmake

@@ -3,11 +3,13 @@
 # description: build LMMS-plugin
 # usage: BUILD_PLUGIN(<PLUGIN_NAME> <PLUGIN_SOURCES> MOCFILES <HEADERS_FOR_MOC> EMBEDDED_RESOURCES <LIST_OF_FILES_TO_EMBED> UICFILES <UI_FILES_TO_COMPILE> LINK <SHARED|MODULE>)
 
+INCLUDE(GenQrc)
+
 MACRO(BUILD_PLUGIN PLUGIN_NAME)
-	CMAKE_PARSE_ARGUMENTS(PLUGIN "" "" "MOCFILES;EMBEDDED_RESOURCES;UICFILES;LINK" ${ARGN})
+	CMAKE_PARSE_ARGUMENTS(PLUGIN "" "LINK;EXPORT_BASE_NAME" "MOCFILES;EMBEDDED_RESOURCES;UICFILES" ${ARGN})
 	SET(PLUGIN_SOURCES ${PLUGIN_UNPARSED_ARGUMENTS})
 
-	INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/src/gui)
+	INCLUDE_DIRECTORIES("${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/include")
 
 	ADD_DEFINITIONS(-DPLUGIN_NAME=${PLUGIN_NAME})
 
@@ -20,36 +22,27 @@ MACRO(BUILD_PLUGIN PLUGIN_NAME)
 			FILE(GLOB EXPANDED "${ARG}")
 			LIST(SORT EXPANDED)
 			FOREACH(ITEM ${EXPANDED})
-				LIST(APPEND NEW_ARGS ${ITEM})
+				LIST(APPEND NEW_ARGS "${ITEM}")
 			ENDFOREACH()
 		ENDFOREACH()
 		SET(PLUGIN_EMBEDDED_RESOURCES ${NEW_ARGS})
 
-		SET(ER_H ${CMAKE_CURRENT_BINARY_DIR}/embedded_resources.h)
-		ADD_CUSTOM_COMMAND(OUTPUT ${ER_H}
-			COMMAND ${BIN2RES}
-			ARGS ${PLUGIN_EMBEDDED_RESOURCES} > ${ER_H}
-			DEPENDS bin2res)
+		ADD_GEN_QRC(RCC_OUT "${PLUGIN_NAME}.qrc" PREFIX artwork/${PLUGIN_NAME} ${PLUGIN_EMBEDDED_RESOURCES})
 	ENDIF(ER_LEN)
 
-	IF(QT5)
-		QT5_WRAP_CPP(plugin_MOC_out ${PLUGIN_MOCFILES})
-		QT5_WRAP_UI(plugin_UIC_out ${PLUGIN_UICFILES})
-	ELSE()
-		QT4_WRAP_CPP(plugin_MOC_out ${PLUGIN_MOCFILES})
-		QT4_WRAP_UI(plugin_UIC_out ${PLUGIN_UICFILES})
-	ENDIF()
+	QT5_WRAP_CPP(plugin_MOC_out ${PLUGIN_MOCFILES})
+	QT5_WRAP_UI(plugin_UIC_out ${PLUGIN_UICFILES})
 
 	FOREACH(f ${PLUGIN_SOURCES})
-		ADD_FILE_DEPENDENCIES(${f} ${ER_H} ${plugin_UIC_out})
+		ADD_FILE_DEPENDENCIES(${f} ${RCC_OUT} ${plugin_UIC_out})
 	ENDFOREACH(f)
 
 	IF(LMMS_BUILD_APPLE)
-		LINK_DIRECTORIES(${CMAKE_BINARY_DIR})
+		LINK_DIRECTORIES("${CMAKE_BINARY_DIR}")
 		LINK_LIBRARIES(${QT_LIBRARIES})
 	ENDIF(LMMS_BUILD_APPLE)
 	IF(LMMS_BUILD_WIN32)
-		LINK_DIRECTORIES(${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR})
+		LINK_DIRECTORIES("${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}")
 		LINK_LIBRARIES(${QT_LIBRARIES})
 	ENDIF(LMMS_BUILD_WIN32)
 	IF(LMMS_BUILD_MSYS AND CMAKE_BUILD_TYPE STREQUAL "Debug")
@@ -57,30 +50,52 @@ MACRO(BUILD_PLUGIN PLUGIN_NAME)
 		SET(QT_LIBRARIES "${QT_OVERRIDE_LIBRARIES}")
 	ENDIF()
 
-	IF ("${PLUGIN_LINK}" STREQUAL "SHARED")
-	  ADD_LIBRARY(${PLUGIN_NAME} SHARED ${PLUGIN_SOURCES} ${plugin_MOC_out})
-	ELSE ()
-	  ADD_LIBRARY(${PLUGIN_NAME} MODULE ${PLUGIN_SOURCES} ${plugin_MOC_out})
-	ENDIF ()
-	
-	IF(QT5)
-		TARGET_LINK_LIBRARIES(${PLUGIN_NAME} Qt5::Widgets Qt5::Xml)
+	IF (NOT PLUGIN_LINK)
+		SET(PLUGIN_LINK "MODULE")
 	ENDIF()
+
+	ADD_LIBRARY(${PLUGIN_NAME} ${PLUGIN_LINK} ${PLUGIN_SOURCES} ${plugin_MOC_out} ${RCC_OUT})
+
+	TARGET_LINK_LIBRARIES(${PLUGIN_NAME} Qt5::Widgets Qt5::Xml)
+
 	IF(LMMS_BUILD_WIN32)
 		TARGET_LINK_LIBRARIES(${PLUGIN_NAME} lmms)
 	ENDIF(LMMS_BUILD_WIN32)
 
-	INSTALL(TARGETS ${PLUGIN_NAME} LIBRARY DESTINATION "${PLUGIN_DIR}")
+	INSTALL(TARGETS ${PLUGIN_NAME}
+		LIBRARY DESTINATION "${PLUGIN_DIR}"
+		RUNTIME DESTINATION "${PLUGIN_DIR}"
+	)
 
 	IF(LMMS_BUILD_APPLE)
-		SET_TARGET_PROPERTIES(${PLUGIN_NAME} PROPERTIES LINK_FLAGS "-bundle_loader ${CMAKE_BINARY_DIR}/lmms")
+		IF ("${PLUGIN_LINK}" STREQUAL "SHARED")
+			SET_TARGET_PROPERTIES(${PLUGIN_NAME} PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
+		ELSE()
+			SET_TARGET_PROPERTIES(${PLUGIN_NAME} PROPERTIES LINK_FLAGS "-bundle_loader \"${CMAKE_BINARY_DIR}/lmms\"")
+		ENDIF()
 		ADD_DEPENDENCIES(${PLUGIN_NAME} lmms)
 	ENDIF(LMMS_BUILD_APPLE)
 	IF(LMMS_BUILD_WIN32)
+		IF(STRIP)
+			ADD_CUSTOM_COMMAND(TARGET ${PLUGIN_NAME} POST_BUILD COMMAND ${STRIP} "$<TARGET_FILE:${PLUGIN_NAME}>")
+		ENDIF()
 		SET_TARGET_PROPERTIES(${PLUGIN_NAME} PROPERTIES PREFIX "")
-		ADD_CUSTOM_COMMAND(TARGET ${PLUGIN_NAME} POST_BUILD COMMAND ${STRIP} $<TARGET_FILE:${PLUGIN_NAME}>)
-	ENDIF(LMMS_BUILD_WIN32)
+	ENDIF()
 
-	SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${ER_H} ${plugin_MOC_out}")
+	SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${RCC_OUT} ${plugin_MOC_out}")
+
+	IF(NOT PLUGIN_EXPORT_BASE_NAME)
+		SET(PLUGIN_EXPORT_BASE_NAME "PLUGIN")
+	ENDIF()
+
+	GENERATE_EXPORT_HEADER(${PLUGIN_NAME}
+		BASE_NAME ${PLUGIN_EXPORT_BASE_NAME}
+	)
+	TARGET_INCLUDE_DIRECTORIES(${PLUGIN_NAME}
+		PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+	)
+
+	SET_PROPERTY(GLOBAL APPEND PROPERTY PLUGINS_BUILT ${PLUGIN_NAME})
+	GET_PROPERTY(PLUGINS_BUILT GLOBAL PROPERTY PLUGINS_BUILT)
 ENDMACRO(BUILD_PLUGIN)
 

cmake/modules/COPYING-CMAKE-SCRIPTS

@@ -0,0 +1,22 @@
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products 
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.

cmake/modules/CheckCXXPreprocessor.cmake

@@ -0,0 +1,33 @@
+
+macro(CHECK_CXX_PREPROCESSOR VAR DIRECTIVE)
+	string(RANDOM DEFINED_KEY)
+	string(RANDOM UNDEFINED_KEY)
+
+	set(TMP_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/CxxTmp/src.cpp")
+	SET(SRC "
+		#if ${DIRECTIVE}
+		#error ${DEFINED_KEY}
+		#else
+		#error ${UNDEFINED_KEY}
+		#endif
+		")
+	file(WRITE ${TMP_FILENAME} "${SRC}")
+	try_compile(RESULT_VAR
+		${CMAKE_CURRENT_BINARY_DIR}
+		${TMP_FILENAME}
+		OUTPUT_VARIABLE OUTPUT_VAR
+	)
+
+	if(OUTPUT_VAR MATCHES ${DEFINED_KEY})
+		set(${VAR} ON)
+	elseif(OUTPUT_VAR MATCHES ${UNDEFINED_KEY})
+		set(${VAR} OFF)
+	else()
+		message(FATAL_ERROR "Can't determine if \"${DIRECTIVE}\" is true.")
+	endif()
+endmacro()
+
+
+macro(CHECK_CXX_DEFINE VAR DEFINE)
+	CHECK_CXX_PREPROCESSOR(${VAR} "defined(${DEFINE})")
+endmacro()

cmake/modules/CheckSubmodules.cmake

@@ -0,0 +1,213 @@
+# Utility for validating and, if needed, cloning all submodules
+#
+# Looks for a .gitmodules in the root project folder
+# Loops over all modules looking well-known configure/build scripts
+#
+# Usage:
+#       INCLUDE(CheckSubmodules)
+#
+# Options:
+#       SET(PLUGIN_LIST "zynaddsubfx;...") # skips submodules for plugins not explicitely listed
+#
+# Or via command line:       
+#       cmake -PLUGIN_LIST=foo;bar
+#
+# Copyright (c) 2019, Tres Finocchiaro, <tres.finocchiaro@gmail.com>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+# Files which confirm a successful clone
+SET(VALID_CRUMBS "CMakeLists.txt;Makefile;Makefile.in;Makefile.am;configure.ac;configure.py;autogen.sh;.gitignore;LICENSE;Home.md")
+
+OPTION(NO_SHALLOW_CLONE "Disable shallow cloning of submodules" OFF)
+
+# Try and use the specified shallow clone on submodules, if supported
+SET(DEPTH_VALUE 100)
+
+# Number of times git commands will retry before failing
+SET(MAX_ATTEMPTS 2)
+
+MESSAGE("\nChecking submodules...")
+IF(NOT EXISTS "${CMAKE_SOURCE_DIR}/.gitmodules")
+	MESSAGE("Skipping the check because .gitmodules not detected."
+		"Please make sure you have all submodules in the source tree!"
+	)
+	RETURN()
+ENDIF()
+FILE(READ "${CMAKE_SOURCE_DIR}/.gitmodules" SUBMODULE_DATA)
+
+# Force English locale
+SET(LC_ALL_BACKUP "$ENV{LC_ALL}")
+SET(LANG_BACKUP "$ENV{LANG}")
+SET(ENV{LC_ALL} "C")
+SET(ENV{LANG} "en_US")
+
+# Submodule list pairs, unparsed (WARNING: Assumes alpha-numeric paths)
+STRING(REGEX MATCHALL "path = [-0-9A-Za-z/]+" SUBMODULE_LIST_RAW ${SUBMODULE_DATA})
+STRING(REGEX MATCHALL "url = [.:%-0-9A-Za-z/]+" SUBMODULE_URL_RAW ${SUBMODULE_DATA})
+
+# Submodule list pairs, parsed
+SET(SUBMODULE_LIST "")
+SET(SUBMODULE_URL "")
+
+FOREACH(_path ${SUBMODULE_LIST_RAW})
+	# Parse SUBMODULE_PATH
+	STRING(REPLACE "path = " "" SUBMODULE_PATH "${_path}")
+
+	# Grab index for matching SUBMODULE_URL
+	LIST(FIND SUBMODULE_LIST_RAW "${_path}" SUBMODULE_INDEX)
+	LIST(GET SUBMODULE_URL_RAW ${SUBMODULE_INDEX} _url)
+
+	# Parse SUBMODULE_URL
+	STRING(REPLACE "url = " "" SUBMODULE_URL "${_url}")
+
+	SET(SKIP false)
+
+	# Loop over skipped plugins, add to SKIP_SUBMODULES (e.g. -DPLUGIN_LIST=foo;bar)
+	IF(${SUBMODULE_PATH} MATCHES "^plugins/")
+		SET(REMOVE_PLUGIN true)
+		FOREACH(_plugin ${PLUGIN_LIST})
+			IF(_plugin STREQUAL "")
+				CONTINUE()
+			ENDIF()
+			IF(${SUBMODULE_PATH} MATCHES "${_plugin}")
+				SET(REMOVE_PLUGIN false)
+			ENDIF()
+		ENDFOREACH()
+
+		IF(REMOVE_PLUGIN)
+			LIST(APPEND SKIP_SUBMODULES "${SUBMODULE_PATH}")
+		ENDIF()
+	ENDIF()
+
+	# Finally, loop and mark "SKIP" on match
+	IF(SKIP_SUBMODULES)
+		FOREACH(_skip ${SKIP_SUBMODULES})
+			IF("${SUBMODULE_PATH}" MATCHES "${_skip}")
+				MESSAGE("-- Skipping ${SUBMODULE_PATH} matches \"${_skip}\" (absent in PLUGIN_LIST)")
+				SET(SKIP true)
+				BREAK()
+			ENDIF()
+		ENDFOREACH()
+	ENDIF()
+
+	IF(NOT SKIP)
+		LIST(APPEND SUBMODULE_LIST "${SUBMODULE_PATH}")
+		LIST(APPEND SUBMODULE_URL "${SUBMODULE_URL}")
+	ENDIF()
+ENDFOREACH()
+
+# Once called, status is stored in GIT_RESULT respectively.
+# Note: Git likes to write to stderr.  Don't assume stderr is error; Check GIT_RESULT instead.
+MACRO(GIT_SUBMODULE SUBMODULE_PATH FORCE_DEINIT FORCE_REMOTE NO_DEPTH)
+	FIND_PACKAGE(Git REQUIRED)
+	# Handle missing commits
+	SET(FORCE_REMOTE_FLAG "${FORCE_REMOTE}")
+	SET(NO_DEPTH_FLAG "${NO_DEPTH}")
+	IF(FORCE_REMOTE_FLAG)
+		MESSAGE("--   Adding remote submodulefix to ${SUBMODULE_PATH}")
+		EXECUTE_PROCESS(
+			COMMAND "${GIT_EXECUTABLE}" remote rm submodulefix
+			COMMAND "${GIT_EXECUTABLE}" remote add submodulefix ${FORCE_REMOTE}
+			COMMAND "${GIT_EXECUTABLE}" fetch submodulefix
+			WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/${SUBMODULE_PATH}"
+			OUTPUT_QUIET ERROR_QUIET
+		)
+		# Recurse
+		GIT_SUBMODULE(${SUBMODULE_PATH} false false ${NO_DEPTH_FLAG})
+	ELSEIF(${FORCE_DEINIT})
+		MESSAGE("--   Resetting ${SUBMODULE_PATH}")
+		EXECUTE_PROCESS(
+			COMMAND "${GIT_EXECUTABLE}" submodule deinit -f "${CMAKE_SOURCE_DIR}/${SUBMODULE_PATH}"
+			WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+			OUTPUT_QUIET
+		)
+		MESSAGE("--   Deleting ${CMAKE_SOURCE_DIR}/.git/${SUBMODULE_PATH}")
+		FILE(REMOVE_RECURSE "${CMAKE_SOURCE_DIR}/.git/modules/${SUBMODULE_PATH}")
+		# Recurse without depth
+		GIT_SUBMODULE(${SUBMODULE_PATH} false false true)
+	ELSE()
+		# Try to use the depth switch
+		IF(NO_SHALLOW_CLONE OR GIT_VERSION_STRING VERSION_LESS "1.8.4" OR NO_DEPTH_FLAG)
+			# Shallow submodules were introduced in 1.8.4
+			MESSAGE("--   Fetching ${SUBMODULE_PATH}")
+			SET(DEPTH_CMD "")
+			SET(DEPTH_VAL "")
+		ELSE()
+			MESSAGE("--   Fetching ${SUBMODULE_PATH} @ --depth ${DEPTH_VALUE}")
+			SET(DEPTH_CMD "--depth")
+			SET(DEPTH_VAL "${DEPTH_VALUE}")
+		ENDIF()
+		
+		EXECUTE_PROCESS(
+			COMMAND "${GIT_EXECUTABLE}" submodule update --init --recursive ${DEPTH_CMD} ${DEPTH_VAL} "${CMAKE_SOURCE_DIR}/${SUBMODULE_PATH}"
+			WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+			RESULT_VARIABLE GIT_RESULT
+			OUTPUT_VARIABLE GIT_STDOUT
+			ERROR_VARIABLE GIT_STDERR
+		)
+
+		SET(GIT_MESSAGE "${GIT_STDOUT}${GIT_STDERR}")
+		MESSAGE("${GIT_MESSAGE}")
+	ENDIF()
+ENDMACRO()
+
+SET(MISSING_COMMIT_PHRASES "no such remote ref;reference is not a tree;unadvertised object")
+SET(RETRY_PHRASES "Failed to recurse;cannot create directory;already exists;${MISSING_COMMIT_PHRASES}")
+
+# Attempt to do lazy clone
+FOREACH(_submodule ${SUBMODULE_LIST})
+	STRING(REPLACE "/" ";" PATH_PARTS "${_submodule}")
+	LIST(REVERSE PATH_PARTS)
+	LIST(GET PATH_PARTS 0 SUBMODULE_NAME)
+
+	MESSAGE("-- Checking ${SUBMODULE_NAME}...")
+	SET(CRUMB_FOUND false)
+	FOREACH(_crumb ${VALID_CRUMBS})
+		IF(EXISTS "${CMAKE_SOURCE_DIR}/${_submodule}/${_crumb}")
+			SET(CRUMB_FOUND true)
+			MESSAGE("--   Found ${_submodule}/${_crumb}")
+			BREAK()
+		ENDIF()
+	ENDFOREACH()
+	IF(NOT CRUMB_FOUND)
+		GIT_SUBMODULE("${_submodule}" false false false)
+
+		SET(COUNTED 0)
+		# Handle edge-cases where submodule didn't clone properly or re-uses a non-empty directory
+		WHILE(NOT GIT_RESULT EQUAL 0 AND COUNTED LESS MAX_ATTEMPTS)
+			MATH(EXPR COUNTED "${COUNTED}+1")
+			SET(MISSING_COMMIT false)
+			FOREACH(_phrase ${MISSING_COMMIT_PHRASES})
+				IF("${GIT_MESSAGE}" MATCHES "${_phrase}")
+					SET(MISSING_COMMIT true)
+					BREAK()
+				ENDIF()
+			ENDFOREACH()
+			FOREACH(_phrase ${RETRY_PHRASES})
+				IF(${MISSING_COMMIT} AND COUNTED LESS 2)
+					LIST(FIND SUBMODULE_LIST ${_submodule} SUBMODULE_INDEX)
+					LIST(GET SUBMODULE_URL_LIST ${SUBMODULE_INDEX} SUBMODULE_URL)
+					MESSAGE("--   Retrying ${_submodule} using 'remote add submodulefix' (attempt ${COUNTED} of ${MAX_ATTEMPTS})...")
+					
+					GIT_SUBMODULE("${_submodule}" false "${SUBMODULE_URL}" false)
+					BREAK()
+				ELSEIF("${GIT_MESSAGE}" MATCHES "${_phrase}")
+					MESSAGE("--   Retrying ${_submodule} using 'deinit' (attempt ${COUNTED} of ${MAX_ATTEMPTS})...")
+					GIT_SUBMODULE("${_submodule}" true false false)
+					BREAK()
+				ENDIF()
+			ENDFOREACH()
+		ENDWHILE()
+
+		IF(NOT GIT_RESULT EQUAL 0)
+			MESSAGE(FATAL_ERROR "${GIT_EXECUTABLE} exited with status of ${GIT_RESULT}")
+		ENDIF()
+	ENDIF()
+ENDFOREACH()
+MESSAGE("-- Done validating submodules.\n")
+
+# Reset locale
+SET(ENV{LC_ALL} "${LC_ALL_BACKUP}")
+SET(ENV{LANG} "${LANG_BACKUP}")

cmake/modules/CheckWineGcc.cmake

@@ -0,0 +1,27 @@
+INCLUDE(CheckCXXSourceCompiles)
+
+FUNCTION(CheckWineGcc BITNESS WINEGCC_EXECUTABLE RESULT)
+	FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/winegcc_test.cxx" "
+	#include <iostream>
+	#define USE_WS_PREFIX
+	#include <windows.h>
+	int main(int argc, const char* argv[]) {
+		return 0;
+	}
+	")
+	EXECUTE_PROCESS(COMMAND ${WINEGCC_EXECUTABLE} "-m${BITNESS}"
+		"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/winegcc_test.cxx"
+		"-o" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/winegcc_test"
+		OUTPUT_QUIET ERROR_QUIET
+		RESULT_VARIABLE WINEGCC_RESULT
+	)
+	FILE(REMOVE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/winegcc_test.cxx"
+		"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/winegcc_test"
+		"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/winegcc_test.exe.so"
+	)
+	IF(WINEGCC_RESULT EQUAL 0)
+		SET(${RESULT} True PARENT_SCOPE)
+	ELSE()
+		SET(${RESULT} False PARENT_SCOPE)
+	ENDIF()
+ENDFUNCTION()

cmake/modules/CompileCache.cmake

@@ -0,0 +1,25 @@
+option(USE_COMPILE_CACHE "Use ccache or clcache for compilation" OFF)
+
+# Compatibility for old option name
+if(USE_CCACHE)
+	set(USE_COMPILE_CACHE ON)
+endif()
+
+if(USE_COMPILE_CACHE)
+	if(MSVC)
+		set(CACHE_TOOL_NAME clcache)
+	elseif(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|AppleClang|Clang)")
+		set(CACHE_TOOL_NAME ccache)
+	else()
+		message(WARNING "Compile cache only available with MSVC or GNU")
+	endif()
+
+	find_program(CACHE_TOOL ${CACHE_TOOL_NAME})
+	if (CACHE_TOOL)
+		message(STATUS "Using ${CACHE_TOOL} found for caching")
+		set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CACHE_TOOL})
+		set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${CACHE_TOOL})
+	else()
+		message(WARNING "USE_COMPILE_CACHE enabled, but no ${CACHE_TOOL_NAME} found")
+	endif()
+endif()

cmake/modules/CreateTempFile.cmake

@@ -0,0 +1,21 @@
+function(CreateTempFilePath)
+    set(options CONFIG_SUFFIX)
+    set(oneValueArgs OUTPUT_VAR TAG)
+    set(multiValueArgs CONTENT)
+    cmake_parse_arguments(TEMP "${options}" "${oneValueArgs}"
+            "${multiValueArgs}" ${ARGN} )
+
+    # Use hash to create a unique identifier
+    # for this file.
+    string(SHA1 hashed_content "${TEMP_CONTENT}")
+
+    set(file_name "${CMAKE_BINARY_DIR}/${TEMP_TAG}_${hashed_content}")
+    set(${TEMP_OUTPUT_VAR} "${file_name}" PARENT_SCOPE)
+    if(CONFIG_SUFFIX)
+        set(file_name "${file_name}_$<CONFIG>")
+    endif()
+
+    file(GENERATE OUTPUT "${file_name}"
+            CONTENT "${TEMP_CONTENT}")
+
+endfunction()

cmake/modules/DefineInstallVar.cmake

@@ -0,0 +1,31 @@
+# This functions forwards a variable to
+# the install stage.
+# Parameters:
+#   CONTENT: Variable content.
+#   NAME: Variable name.
+# Options:
+#   GENERATOR_EXPRESSION: Support generator expression for CONTENT.
+function(DEFINE_INSTALL_VAR)
+    set(options GENERATOR_EXPRESSION)
+    set(oneValueArgs NAME )
+    set(multiValueArgs CONTENT)
+    cmake_parse_arguments(VAR "${options}" "${oneValueArgs}"
+            "${multiValueArgs}" ${ARGN} )
+
+    # install(CODE) does not support generator expression in ver<3.14
+    if(VAR_GENERATOR_EXPRESSION AND ${CMAKE_VERSION} VERSION_LESS "3.14.0")
+        include(CreateTempFile)
+        if(CMAKE_CONFIGURATION_TYPES) # in case of multi-config generators like MSVC generators
+            CreateTempFilePath(OUTPUT_VAR file_path TAG "${VAR_NAME}" CONTENT "${VAR_CONTENT}" CONFIG_SUFFIX)
+            install(CODE "file(READ \"${file_path}_\${CMAKE_INSTALL_CONFIG_NAME}\" \"${VAR_NAME}\")")
+        else()
+            CreateTempFilePath(OUTPUT_VAR file_path TAG "${VAR_NAME}" CONTENT "${VAR_CONTENT}")
+            install(CODE "file(READ \"${file_path}\" \"${VAR_NAME}\")")
+        endif()
+    else()
+        if(VAR_GENERATOR_EXPRESSION)
+            cmake_policy(SET CMP0087 NEW)
+        endif()
+        install(CODE "set(\"${VAR_NAME}\" \"${VAR_CONTENT}\")")
+    endif()
+endfunction()

cmake/modules/DetectMachine.cmake

@@ -4,18 +4,27 @@ ELSEIF(APPLE)
 	SET(LMMS_BUILD_APPLE 1)
 ELSEIF(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
 	SET(LMMS_BUILD_OPENBSD 1)
+ELSEIF(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+	SET(LMMS_BUILD_FREEBSD 1)
 ELSEIF(HAIKU)
 	SET(LMMS_BUILD_HAIKU 1)
 ELSE()
 	SET(LMMS_BUILD_LINUX 1)
 ENDIF(WIN32)
 
-# See build_mingwXX.sh for LMMS_BUILD_MSYS
+# LMMS_BUILD_MSYS also set in build_winXX.sh
+IF(LMMS_BUILD_WIN32 AND CMAKE_COMPILER_IS_GNUCXX AND DEFINED ENV{MSYSCON})
+	SET(LMMS_BUILD_MSYS TRUE)
+ENDIF()
 
 MESSAGE("PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
 SET(LMMS_HOST_X86 FALSE)
 SET(LMMS_HOST_X86_64 FALSE)
 
+IF(NOT DEFINED WIN64 AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+    SET(WIN64 ON)
+ENDIF()
+
 IF(WIN32)
 	IF(WIN64)
 		SET(IS_X86_64 TRUE)
@@ -23,6 +32,25 @@ IF(WIN32)
 	ELSE(WIN64)
 		SET(IS_X86 TRUE)
 	ENDIF(WIN64)
+
+	if(MSVC)
+		SET(MSVC_VER ${CMAKE_CXX_COMPILER_VERSION})
+
+		IF(MSVC_VER VERSION_GREATER 19.20 OR MSVC_VER VERSION_EQUAL 19.20)
+			SET(LMMS_MSVC_GENERATOR "Visual Studio 16 2019")
+			SET(LMMS_MSVC_YEAR 2019) # Qt only provides binaries for MSVC 2017, but 2019 is binary compatible
+		ELSEIF(MSVC_VER VERSION_GREATER 19.10 OR MSVC_VER VERSION_EQUAL 19.10)
+			SET(LMMS_MSVC_GENERATOR "Visual Studio 15 2017")
+			SET(LMMS_MSVC_YEAR 2017)
+		ELSEIF(MSVC_VER VERSION_GREATER 19.0 OR MSVC_VER VERSION_EQUAL 19.0)
+			SET(LMMS_MSVC_GENERATOR "Visual Studio 14 2015")
+			SET(LMMS_MSVC_YEAR 2015)
+		ELSE()
+			MESSAGE(SEND_WARNING "Can't detect MSVC version: ${MSVC_VER}")
+		ENDIF()
+
+		unset(MSVC_VER)
+	endif()
 ELSE(WIN32)
 	EXEC_PROGRAM( ${CMAKE_C_COMPILER} ARGS "-dumpmachine ${CMAKE_C_FLAGS}" OUTPUT_VARIABLE Machine )
 	MESSAGE("Machine: ${Machine}")

cmake/modules/FindFFTW.cmake

@@ -0,0 +1,47 @@
+# FindFFTW.cmake - Try to find FFTW3
+# Copyright (c) 2018 Lukas W <lukaswhl/at/gmail.com>
+# This file is MIT licensed.
+# See http://opensource.org/licenses/MIT
+
+# Try pkgconfig for hints
+find_package(PkgConfig QUIET)
+
+if(NOT FFTW_FIND_COMPONENTS)
+	set(FFTW_FIND_COMPONENTS fftw3f fftw3 fftwl)
+endif()
+
+if(PKG_CONFIG_FOUND)
+	pkg_check_modules(FFTW_PKG QUIET fftw>=3.0.0)
+	pkg_check_modules(FFTW3_PKG QUIET fftw3>=3.0.0)
+endif()
+
+find_path(FFTW_INCLUDE_DIR
+	NAMES fftw3.h
+	PATHS ${FFTW_PKG_INCLUDE_DIRS} ${FFTW3_PKG_INCLUDE_DIRS}
+)
+
+set(check_list)
+
+foreach(comp ${FFTW_FIND_COMPONENTS})
+	string(TOUPPER ${comp} COMP)
+	if(PKG_CONFIG_FOUND)
+		pkg_check_modules(${COMP}_PKG QUIET ${comp}>=3.0.0)
+	endif()
+
+	find_library(${COMP}_LIBRARY
+		NAMES ${comp}
+		PATHS ${comp}_PKG_LIBRARY_DIRS
+ 	)
+ 	list(APPEND check_list ${COMP}_LIBRARY)
+
+	set(${COMP}_LIBRARIES ${${COMP}_LIBRARY} CACHE FILEPATH "${COMP} library path")
+	set(${COMP}_INCLUDE_DIRS ${FFTW_INCLUDE_DIR} CACHE PATH "${COMP} include path")
+	mark_as_advanced(${COMP}_LIBRARIES ${COMP}_INCLUDE_DIRS)
+endforeach()
+
+find_package(PackageHandleStandardArgs)	
+find_package_handle_standard_args(FFTW DEFAULT_MSG FFTW_INCLUDE_DIR ${check_list})
+
+set(FFTW_INCLUDE_DIRS ${FFTW_INCLUDE_DIR})
+
+mark_as_advanced(FFTW_LIBRARY FFTW_LIBRARIES FFTW_INCLUDE_DIR FFTW_INCLUDE_DIRS ${check_list})

cmake/modules/FindLame.cmake

@@ -0,0 +1,16 @@
+# - Try to find LAME
+# Once done this will define
+#
+# LAME_FOUND - system has liblame
+# LAME_INCLUDE_DIRS - the liblame include directory
+# LAME_LIBRARIES - The liblame libraries
+
+find_path(LAME_INCLUDE_DIRS lame/lame.h)
+find_library(LAME_LIBRARIES mp3lame)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Lame DEFAULT_MSG LAME_INCLUDE_DIRS LAME_LIBRARIES)
+
+list(APPEND LAME_DEFINITIONS -DHAVE_LIBMP3LAME=1)
+
+mark_as_advanced(LAME_INCLUDE_DIRS LAME_LIBRARIES LAME_DEFINITIONS)