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Linux build (Qt5 & cmake)
You need a number of packages installed before you can compile QLC+ from sources. Everything here happens in the terminal window, so launch one now. Usually it's an entry under Accessories in your desktop main menu.
Issue these commands to install the required packages for an Ubuntu system:
sudo apt-get update
sudo apt-get install g++ make cmake git build-essential qtchooser qt5-qmake qtbase5-dev qtbase5-dev-tools qtscript5-dev qtmultimedia5-dev libqt5multimedia5-plugins qttools5-dev-tools qtdeclarative5-dev libqt5svg5-dev qttools5-dev libqt5serialport5-dev libqt5websockets5-dev fakeroot debhelper devscripts pkg-config libxml2-utils libglib2.0-dev libpulse-dev libxkbcommon-dev
sudo apt-get install libasound2-dev libusb-1.0-0-dev libftdi1-dev libudev-dev libmad0-dev libsndfile1-dev libfftw3-dev
Issue these commands to install the required packages for a Fedora/RedHat system:
su -
yum update
yum install gcc-c++ qtbase5-common-devel qtmultimedia5-devel libftdi-devel libusb-devel alsa-lib-devel rpm-build git libudev-devel libsndfile-devel libmad-devel
yum install systemd-devel fftw-devel qt5-qtscript-devel qt5-qtmultimedia-devel qt5-qtbase-devel # Fedora 21
Notice that there's a space between su and - and that you need to give the root user password for su. When you're done with these commands, become a normal user again with:
exit
If you wish to get the latest released QLC+ version:
https://github.com/mcallegari/qlcplus/releases/latest/
If you wish to get the very latest bleeding edge (but only if your intention is to do development or are just curious):
git clone git://github.com/mcallegari/qlcplus.git
This will create a directory called qlcplus which will contain the latest sources from GIT repository. After you have made the initial clone and later wish to keep living on the bleeding egde, you can just update the sources (instead of making a new checkout each time):
cd qlcplus
git pull
If you are a developer and want to contribute to QLC+, the default settings will build a debug version of the program. Please note that a debug version is bigger than a release one and might have worse performances.
If what you need is a production build, then you need to edit the main CMakeLists.txt file and change the line starting with
set(CMAKE_BUILD_TYPE "Release" ... )
Switch between Debug and Release depending on your needs.
QLC+ needs several external dependencies to be compiled with all the plugins support.
If you want to exclude some of them from the build process then just comment them out by placing the character # at the beginning of the plugin line in the file plugins/CMakeLists.txt
For example:
# add_subdirectory(ola)
This step is optional depending if you need OLA or not. See previous paragraph in case you want to disable the OLA plugin.
To build the sources, acquire the latest tarball from github
Extract the package and enter into the OLA folder.
Follow the Linux build instructions.
Then, when build time comes, type:
./configure --prefix=/usr
make
sudo make install
Now you have two choices: either go ahead with the compilation and manual installation or, spend a little more time with packages in order to create separate QLC+ packages that you can easily upgrade (and uninstall) later. If you wish to do everything manually, continue reading. If you wish to create packages for Ubuntu/Debian, skip to the Package Creation section on this page.
If you wish to build QLC+ with the latest Qt version, you can get it via online installers available here: https://download.qt.io/official_releases/online_installers/
Note: Out-of-tree builds are not tested and most probably do not work.
Issue the following commands to start building QLC+:
cd qlcplus
mkdir build && cd build
To build with an official Qt package issue the following:
cmake -DCMAKE_PREFIX_PATH="/home/<user>/Qt/5.15.2/gcc_64/lib/cmake" ..
To build with the system Qt package run the following:
cmake -DCMAKE_PREFIX_PATH="/usr/lib/x86_64-linux-gnu/cmake/Qt5" ..
Then finally type
make
To speed up the build process, if your computer has a multicore CPU you can use the -j option followed by the number of cores of your CPU, like this:
make -j4
You should see your terminal filling with compiler messages and a completion percentage for quite a while.
Everything should go smoothly until the end. If it doesn't happen and you see misterious building errors try either to clone the repository again or completely clean your source tree and start over again by deleting the build folder and creating it again.
OK. When the compiler is done, issue this command to install QLC+ to your system:
sudo make install
or, for non-sudo systems like Debian, Fedora etc:
su -c "make install"
Now you're done. Type
qlcplus
to start using QLC+. If you wish to edit/create fixture definitions, type:
qlcplus-fixtureeditor
(At least) on Debian-based systems, the installation script creates desktop menu entries that are usually available in your desktop main menu, under the Other category.
From the build folder, issue the following command:
cpack -G DEB
The package is now being built. If the process fails at an early stage, you are probably missing some dependency package. See above what packages you need to install. When the package script is done, the newly-created packages appear to the folder, where you have the qlcplus folder, i.e. you need to go up once:
cd ..
To install the packages, just type:
su -c "dpkg -i <package name>.deb"
Go to the newly-created qlc sub-directory and issue the following command:
./create-rpm.sh
The script will create an RPM build directory structure under your home directory (~/rpmbuild) and build the packages there. When the packager is done, go and see the newly-created packages:
cd ~/rpmbuild/RPMS
ls
To install the packages, just type:
su -c "rpm -Uvh <package name>.rpm"
To install all packages, you can type:
su -c "rpm -Uvh qlcplus*.rpm"
You can find more information from the InstallationRedhat? pages (after they have been written, that is).