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megasource/readme.md
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2023-01-07 12:21:44 -04:00

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Megasource is a CMake-buildable collection of all [LÖVE][love2d] dependencies.
It is currently only officially supported on Windows, but may also work on macOS. It could certainly also work on Linux, but good package managers makes megasource less relevant there.
Versions
--------
This repository uses git tags for the library dependencies of a specific released version of LÖVE.
For in-development versions of LÖVE, there may be a branch in this repository corresponding to a similar branch in the love repository.
Prerequisites
-------------
- Windows.
- LOVE 12+: [Visual Studio 2019][vs2019] or newer.
- LOVE 11 and older: [Visual Studio 2013][oldvs] or newer. Official builds of LOVE 11 and older use Visual Studio 2013.
- [CMake 3.1][cmake] or greater.
- [NSIS][nsis] if you want to build the LÖVE installer.
Building
--------
To build just the dependencies for 64 bit x86 using Visual Studio 2019:
$ git clone https://github.com/love2d/megasource megasource
$ cd megasource
$ cmake -G "Visual Studio 16 2019" -A x64 -H. -Bbuild
$ cmake --build build --target megatest --config Release
... or you can open the solution file in Visual Studio and build from there instead of invoking cmake --build.
To build for a different version of Visual Studio (or a different build tool), replace ```"Visual Studio 16 2019"``` with one of the other [build system generators][generators]. For example Visual Studio 2022 is ```"Visual Studio 17 2022"```.
Similarly, to build for a different architecture than 64 bit x86, use a different [architecture name][architectures] for the ```-A``` parameter.
Note that ```-H``` has been replaced in CMake 3.13 with ```-S```.
If you want to build [LÖVE][love2d], clone LÖVE into the *libs* folder. Megasource will automatically look for it there. E.g.:
$ git clone https://github.com/love2d/megasource megasource
$ cd megasource
$ git clone https://github.com/love2d/love libs/love
$ cmake -G "Visual Studio 16 2019" -A x64 -H. -Bbuild
$ cmake --build build --target love/love --config Release
The binaries can be found in *build/love/Release*.
If you want to build the installer, replace the previous build command with:
$ cmake --build build --target PACKAGE --config Release
A zip with the binaries and the installer will appear in *build*.
[love2d]: http://love2d.org
[cmake]: http://www.cmake.org/
[nsis]: http://nsis.sourceforge.net
[vs2019]: https://visualstudio.microsoft.com/downloads/
[oldvs]: https://visualstudio.microsoft.com/vs/older-downloads/
[generators]: https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html#visual-studio-generators
[architectures]: https://cmake.org/cmake/help/latest/generator/Visual%20Studio%2016%202019.html#platform-selection