41 lines
2.2 KiB
Markdown
41 lines
2.2 KiB
Markdown
### Windows
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#### *Standalone*
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1) Open the solution in Visual Studio 2019
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2) Set "GUI.NET" as the Startup Project
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3) Compile as Release/x64 or Release/x86
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4) Run the project from Visual Studio
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5) If you got an error, try running it a second time
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Note: When loading the the solution in Visual Studio make sure all the projects are loaded successfully.
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Note: If you get an error about the project targeted .NET Framework 4.5 chose to download the missing packages then install ".NET Framework 4.5 targeting pack" from the Visual Studio Installer.
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Note: If you get a "compiler is out of heap space" error when building the project, then try running `set PreferredToolArchitecture=x64` and `devenv` in "x64 Native Tools Command Prompt for VS 2019"
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#### *Libretro*
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1) Open the solution in Visual Studio 2019
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2) Compile as Libretro/x64 or Libretro/x86
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3) Use the "mesen_libretro.dll" file in bin/(x64 or x86)/Libretro/mesen_libretro.dll
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Note: It's also possible to build the Libretro core via MINGW by using the makefile in the Libretro subfolder.
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### Linux
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#### *Standalone*
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To compile Mesen under Linux you will need clang 7.0+ or gcc 9.0+ (Mesen requires a C++17 compiler with support for the filesystem API.) Additionally, Mesen has the following dependencies:
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* Mono 5.18+ (package: mono-devel)
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* SDL2 (package: libsdl2-dev)
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**Note:** **Mono 5.18 or higher is recommended**, some older versions of Mono (e.g 4.2.2) have some stability and performance issues which can cause crashes and slow down the UI.
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The default Mono version in Ubuntu 18.04 is 4.6.2 (which also causes some layout issues in Mesen). To install the latest version of Mono, follow the instructions here: https://www.mono-project.com/download/stable/#download-lin
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The makefile contains some more information at the top. Running "make" will build the x64 version by default, and then "make run" should start the emulator.
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LTO is supported under clang, which gives a large performance boost (25-30%+), so turning it on is highly recommended (see makefile for details).
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#### *Libretro*
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To compile the Libretro core you will need a version of clang/gcc that supports C++14.
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Run "make" from the "Libretro" subfolder to build the Libretro core.
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