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| == Compiling ScummVM with Visual Studio 2003/2005 under Windows == | | == Installing the needed software and libraries == |
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| | In this page, we guide you through the steps to compile ScummVM with Visual Studio. |
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| Compiling ScummVM under Windows is not an awfully hard task, however there are some things that don't just work out of the box
| | === Visual Studio === |
| | You can get the free Community version of Visual Studio [https://visualstudio.microsoft.com/vs/ here]. |
| | Professional Visual Studio versions are working fine too. |
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| | When installing Visual Studio 2017 or later, make sure to select the "Desktop Development with C++" workload. |
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| == Things needed ==
| | Building ScummVM with Visual Studio versions older than 2015 is not supported anymore. |
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| === Visual Studio 2005 === | | === Needed Libraries === |
| There exist several versions of Visual Studio 2005. A feature comparison can be found
| | ScummVM relies on third-party libraries for common features, such as MP3 decoding. Some of these libraries, like SDL, are required, whereas others like libtheora are optional. |
| [http://msdn.microsoft.com/vstudio/products/compare/default.aspx here]
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| You can obtain the free Express version of VS2005 [http://msdn.microsoft.com/vstudio/express/default.aspx here]
| | We supply a set of prebuilt libraries for Visual Studio 2015 and later, which can be found [https://downloads.scummvm.org/frs/build/scummvm_libs_2015.zip here]. |
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| | These libraries have been built on Windows 8.1 using the Visual Studio 2015 Community Edition. |
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| === Precompiled libraries ===
| | When compiling for Windows on ARM, you will need the download the [https://devblogs.microsoft.com/directx/announcing-the-opencl-and-opengl-compatibility-pack-for-windows-10-on-arm/ OpenGL Compatibility Pack]. An updated version of the compatibility pack can be found in the Microsoft Store [https://apps.microsoft.com/detail/9nqpsl29bfff?ocid=pdpshare&hl=en-us&gl=US here]. |
| To ease the whole process, a package of all the needed precompiled libraries has been created.
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| All you need to do is:
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| * [http://www.freefilehoster.com/uploads/1176748510vs2005_libs.zip Download the precompiled libraries]
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| * Unzip the archive maintaining directory structure
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| * Run install.bat ('''NOTE''': this installer has only been tested with Visual Studio 2005. If you get errors with earlier versions, simply copy the directories ''bin'', ''lib'' and ''include'' inside the directory where Visual C++ is installed)
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| * You don't need to add the libraries to Visual Studio, as the installer automatically copies the necessary files in the appropriate directories of Visual Studio
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| * Skip to step [[Compiling_ScummVM/VS2005#Before_compiling|Before compiling]]
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| | If you want to build libraries for use with Visual Studio yourself, please refer to the [[Compiling_ScummVM/Visual_Studio/Compiling_Libraries|instructions for compiling the libraries yourself]]. |
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| === Libraries needed === | | === Installing Libraries === |
| | The easiest way to make Visual Studio find the supplied libraries is by using the environment variable <code>SCUMMVM_LIBS</code>. You can set it by performing the following steps: |
| | * Unzip the library zip to a directory of your choice, for example <code>C:\Users\YourUsername\Documents\scummvm_libs_2015</code>. |
| | * Go to Start Menu > Control Panel > System > Advanced Settings > Environment Variables (or <code>Win</code>+<code>R</code> and then <code>SystemPropertiesAdvanced.exe</code>) and add a new variable <code>SCUMMVM_LIBS</code> with a value of the path you extracted the zip in. It is important that you do point the variable to the folder containing the <code>bin\</code>, <code>include\</code>, and <code>lib\</code> directories. |
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| * [http://www.libsdl.org/download-1.2.php SDL 1.2].
| | == Preparing the Project Files == |
| You need the file SDL-devel-1.2.11-VC6.zip (1.2.11 is the latest version at this time)
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| * [http://www.kernel.org/pub/software/devel/nasm/binaries/win32/ NASM]
| | === Building create_project === |
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| * [http://downloads.xiph.org/releases/ogg/ libogg] and [http://downloads.xiph.org/releases/vorbis/ libvorbis] for OGG support
| | ScummVM uses a configure/Make based build system. We have a tool to generate Visual Studio project files from this build system. The first step you need to take is building this tool called <code>create_project.exe</code>. |
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| Note that the libraries included in the "vorbis" package won't work. You need libogg and libvorbis, not vorbis
| | First, open the solution file <code>devtools\create_project\msvc\create_project.sln</code> (either from the File Explorer or from the File > Open project/solution menu). Then simply build the solution, with Build > Build solution. If this doesn't work, make sure that the Visual Studio C++ tools have been properly set up, as [[#Visual_Studio|explained above]]. |
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| * [ftp://ftp.mars.org/pub/mpeg/ libmad] for MP3 support
| | The project file should automatically assure that the resulting <code>create_project.exe</code> is copied to <code>dists\msvc\</code>. |
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| * [http://libmpeg2.sourceforge.net/downloads.html libmpeg2] for MPEG-2 support
| | === Generating the Project Files === |
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| Get the latest mpeg2dec release from this page, libmpeg2 is included there
| | Simply run the batch script <code>dists/msvc/create_msvc.bat</code>. It will guide you through configuring ScummVM. |
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| * [http://www.zlib.net/ zlib]. You need the latest zlib compiled DLL
| | '''IMPORTANT''': You will have to re-generate the project files whenever new source files have been added to or removed from the configure/Make based build system. When you add new files to ScummVM, you will ''have'' to add them to the respective <code>module.mk</code> file to assure ScummVM still builds fine with the configure/Make based build system. |
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| If you wish to compile zlib statically in ScummVM (so that zlib1.dll is not needed), you'll also need the zlib source code. If you wish to compile ScummVM 0.8.0 or earlier with zlib support, you'll need the zlib source as well as [http://www.winimage.com/zLibDll/crtdll.zip crtdll.lib].
| | == Compiling ScummVM == |
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| | If you followed all the steps, you are now ready to compile ScummVM with Visual Studio. Congratulations! |
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| == Building the libraries ==
| | Simply open the generated solution file in <code>dists\msvc\scummvm.sln</code>. Now you can ask it to build the desired configuration. By default it will build a debug configuration which is ideal to hack on ScummVM. |
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| Now, we need to compile the required libraries.
| | '''IMPORTANT''': If you get errors about missing DLLs, you'll need to copy them to a location Windows picks up to run the resulting binary. The easiest way to do this is to place the DLL files in the directory where <code>scummvm.exe</code> is. There are multiple folders to choose from, depending on your build configuration. For example, if you build a Win32 Debug configuration, you will need to copy them from <code>SCUMMVM_LIBS\lib\x86\Debug\</code> to <code>dists\msvc\Debugx86\</code>. |
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| Note that you'll need to build all libraries with the same configuration settings (debug or release). If you don't need a specific library, you can remove it from your build by going to Project->Properties, Configuration Properties->C/C++->Preprocessor and remove the "USE_XXX" directive for that library from there. For example, to remove OGG support, remove the USE_VORBIS directive
| | NOTE: Several people have had errors about structure packing under Visual Studio 2019. In such cases, you need to update [https://github.com/libsdl-org/SDL/releases SDL2] with the latest version. |
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| | == Compiling with Console/Text Output == |
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| === A note about VS2005 ===
| | By default ScummVM is compiled as a Windows subsystem application with no console output. If you need the console, you can do one of the following: |
| | | * In the <code>create_project</code> command, add <code>--enable-text-console</code>. |
| If you're building the libraries with VS2005, you will get a lot of deprecation warnings. These are normal and nothing to worry about, they're just Microsoft's way of saying "This is a bad code practice. Use this instead". It's not easy to turn these off without several modifications to the code, so just ignore them.
| | * In the Project Options for the ScummVM project, go to the Linker | System | SubSystem line, and change the <code>/SUBSYSTEM:WINDOWS</code> option to <code>/SUBSYSTEM:CONSOLE</code> |
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| Read more here:
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| http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/
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| http://www.gamedev.net/community/forums/topic.asp?topic_id=361433
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| http://blogs.msdn.com/oldnewthing/archive/2005/01/07/348437.aspx
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| If you do wish to make them disappear, you need to include on top the main function of each library, before the includes, the following lines:
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| #if (_MSC_VER >= 1400) /* VC8+ (VS2005) */
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| #pragma warning(disable : 4996) /* Disable all deprecation warnings */
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| #endif /* VC8+ (VS2005) */
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| === NASM ===
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| First of all, we need nasm. So unzip the nasm archive in a directory, copy
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| "nasmw.exe" to "nasm.exe" (because some projects call one and others call the other) and include it in the executable path of VS. To do this, go to Tools->Options->Projects and solutions->VC++ directories. Select "Executable files" from the top right and include the directory where you unzipped nasm into.
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| === SDL ===
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| SDL is already compiled and needs no further changes, so we can skip the compilation step for it
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| === zlib ===
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| zlib is already compiled, so we can skip the compilation step for it
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| If you wish to compile zlib statically into ScummVM (and thus, remove the zlib1.dll dependency), you'll also need the zlib source. Go into the projects directory in the zlib source and open the solution there. For each of the 3 projects in the solution (example, minigzip and zlib) you need to right-click it in the solution explorer and go to properties. Then, go to Configuration Properties->C/C++->Code Generation and change the Runtime library from "Multi-Threaded DLL (/MD)" to "Multi-Threaded (/MT)", otherwise you'll get a lot of unresolved externals when you try to build ScummVM and the compilation will fail. When you've changed all three projects, compile the solution using the LIB release configuration. Then, open the ScummVM solution and go to Project->Properties, Linker->Input and change the "zldll.lib" directive to "zlib.lib".
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| For ScummVM 0.8.0 or earlier, you'll also need zlibwapi. Go in the contrib\vstudio\vs8 directory (or vs7 if you're using VS2003), unzip crtdll.lib from the zip you downloaded earlier in the directory and compile zlibvc. This is a required library up to the stable 0.8.0 release, but it's not required anymore in the latest CVS version
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| === libogg ===
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| Compile this first, as many other libraries need it. Go to the win32 directory and build the ogg solution in there. DON'T compile the solution in the VS2003 directory, as this produces "libogg.lib" instead of "ogg.lib". A simple rename might work, though
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| === libvorbis ===
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| Before compiling this, include the libogg include and library paths in VS. To do this, go to Tools->Options->Projects and solutions->VC++ directories and include the include directory of libogg as well as the directory with the compiled ogg library
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| === mpeg2dec ===
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| After you compile this one, go to its include directory, create a folder "mpeg2dec" in there and copy all files from the include folder in this subfolder. So you should end up with 2 directories, "include" and "include\mpeg2dec" with the same files. This is needed, as ScummVM includes files from the "mpeg2dec" directory
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| === libmad ===
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| To compile this, you need to remove all the "_CRTRESTRICT" directives from the code, as VS doesn't understand this directive
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| === FLAC ===
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| Not a necessary library, so you may skip this one. If you do wish to include it, open its solution and compile the libFLAC_static project.
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| == Adding all libraries to Visual Studio ==
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| There are two ways of adding the libraries to Visual Studio. You can either copy all the header and library files inside the appropriate directories of Visual C++ or tell Visual C++ where to look for them.
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| <br><br>
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| === First method: Copy the files inside VC++'s folders ===
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| The '''first method''' of adding the required libraries is to go to each individual compiled library and copy the header and library files.
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| You'll need the following:<br><br>
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| '''Libraries'''<br>
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| '''libFLAC_static.lib''' - static build of libFLAC (from folder obj\release\lib where you unzipped libFLAC)<br>
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| '''libmad.lib''' - static build of libMAD (from folder msvc++\Release where you unzipped libmad)<br>
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| '''libmpeg2.lib''' - static build of libMPEG2 (from folder vc++\Release where you unzipped mpeg2dec)<br>
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| '''ogg_static.lib''' - static build of libOGG (from folder win32\Static_Release where you unzipped libogg)<br>
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| '''sdl.lib''' - static build of SDL (from folder lib where you unzipped SDL)<br>
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| '''vorbisfile_static.lib''' - static build of vorbisfile (from folder win32\VorbisFile_Static_Release where you unzipped libvorbis)<br>
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| '''vorbis_static.lib''' - static build of libvorbis (from folder win32\Vorbis_Static_Release where you unzipped libvorbis)<br>
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| '''zlib.lib''' - static build of zlib (from folder projects\visualc6\Win32_LIB_Release where you unzipped zlib)<br>
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| <br>
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| Copy those inside VC's lib folder (e.g. C:\Program Files\Microsoft Visual Studio 8\VC\lib)
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| <br><br>
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| '''Header files'''<br>
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| [TODO]
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| <br><br>
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| Copy those inside VC's include folder (e.g. C:\Program Files\Microsoft Visual Studio 8\VC\include)
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| <br><br> | |
| '''Executable files'''<br>
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| nasmw.exe - from the NASM zip
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| <br><br>
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| Copy this as nasmw.exe AND as nasm.exe inside VC's bin folder (e.g. C:\Program Files\Microsoft Visual Studio 8\VC\bin)
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| <br><br>
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| === Second method: Tell VC++ where to look ===
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| The '''second method''' is to tell VC++ where to look for the required libraries and header files
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| Go to Tools->Options->Projects and solutions->VC++ directories.
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| In the executable files section, make sure that the path to nasm is included and that nasmw.exe in that folder has been copied to nasm.exe. Failure to do that will give you an error in VS (a custom building step has returned an error)
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| In the include files section, make sure that the include folders for libogg, libvorbis, libmad, zlib, mpeg2dec and SDL are in the list. If you need FLAC, include the FLAC include folder in the list too
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| In the library files section, make sure that the static libraries for vorbis, vorbisfile, libogg, zlib, mpeg2dec, libmad and SDL are included. If you're building 0.8.0 final or earlier, include the release folder of zlibdll too (in the zlib source folder, contrib\vstudio\vc8\x86\zlibdllrelease). If you need FLAC, include the FLAC libraries folder too
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| Finally, if you need to compile ScummVM with FLAC support, go to Configuration Properties->C/C++->Preprocessor and add "USE_FLAC" in the Preprocessor Definitions field. Also, go to linker->input and add "libflac_static.lib" in the Additional Dependencies field.
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| == Before compiling ==
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| Open the solution file in dists\vc8 (or vc7 if you're using VS2003)
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| Before compiling, open the file sound\softsynth\ym2612.cpp in the scummvm directory with VS and save it as unicode. To do this, go to File->Save as and in the save button, click the small arrow next to it and select "Save with encoding" and select "UTF8" from the list. The reason for this step is that this file contains Japanese characters, so VS refuses to compile the project if it's not saved as unicode
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| After compiling, don't forget to copy "sdl.dll" in the release and debug directories where scummvm.exe is located. If you haven't compiled zlib statically into ScummVM and have included zlib support, you'll need to copy "zlib1.dll" in the same directory as scummvm.exe as well
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| == Ready to go! ==
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| OK this should be all of it (thankfully), so you should be good to go.
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| Note that whenever you get a new release from the scummvm website, you need to follow the steps in the "before compiling" section to compile scummvm
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Installing the needed software and libraries
In this page, we guide you through the steps to compile ScummVM with Visual Studio.
Visual Studio
You can get the free Community version of Visual Studio here.
Professional Visual Studio versions are working fine too.
When installing Visual Studio 2017 or later, make sure to select the "Desktop Development with C++" workload.
Building ScummVM with Visual Studio versions older than 2015 is not supported anymore.
Needed Libraries
ScummVM relies on third-party libraries for common features, such as MP3 decoding. Some of these libraries, like SDL, are required, whereas others like libtheora are optional.
We supply a set of prebuilt libraries for Visual Studio 2015 and later, which can be found here.
These libraries have been built on Windows 8.1 using the Visual Studio 2015 Community Edition.
When compiling for Windows on ARM, you will need the download the OpenGL Compatibility Pack. An updated version of the compatibility pack can be found in the Microsoft Store here.
If you want to build libraries for use with Visual Studio yourself, please refer to the instructions for compiling the libraries yourself.
Installing Libraries
The easiest way to make Visual Studio find the supplied libraries is by using the environment variable SCUMMVM_LIBS
. You can set it by performing the following steps:
- Unzip the library zip to a directory of your choice, for example
C:\Users\YourUsername\Documents\scummvm_libs_2015
.
- Go to Start Menu > Control Panel > System > Advanced Settings > Environment Variables (or
Win
+R
and then SystemPropertiesAdvanced.exe
) and add a new variable SCUMMVM_LIBS
with a value of the path you extracted the zip in. It is important that you do point the variable to the folder containing the bin\
, include\
, and lib\
directories.
Preparing the Project Files
Building create_project
ScummVM uses a configure/Make based build system. We have a tool to generate Visual Studio project files from this build system. The first step you need to take is building this tool called create_project.exe
.
First, open the solution file devtools\create_project\msvc\create_project.sln
(either from the File Explorer or from the File > Open project/solution menu). Then simply build the solution, with Build > Build solution. If this doesn't work, make sure that the Visual Studio C++ tools have been properly set up, as explained above.
The project file should automatically assure that the resulting create_project.exe
is copied to dists\msvc\
.
Generating the Project Files
Simply run the batch script dists/msvc/create_msvc.bat
. It will guide you through configuring ScummVM.
IMPORTANT: You will have to re-generate the project files whenever new source files have been added to or removed from the configure/Make based build system. When you add new files to ScummVM, you will have to add them to the respective module.mk
file to assure ScummVM still builds fine with the configure/Make based build system.
Compiling ScummVM
If you followed all the steps, you are now ready to compile ScummVM with Visual Studio. Congratulations!
Simply open the generated solution file in dists\msvc\scummvm.sln
. Now you can ask it to build the desired configuration. By default it will build a debug configuration which is ideal to hack on ScummVM.
IMPORTANT: If you get errors about missing DLLs, you'll need to copy them to a location Windows picks up to run the resulting binary. The easiest way to do this is to place the DLL files in the directory where scummvm.exe
is. There are multiple folders to choose from, depending on your build configuration. For example, if you build a Win32 Debug configuration, you will need to copy them from SCUMMVM_LIBS\lib\x86\Debug\
to dists\msvc\Debugx86\
.
NOTE: Several people have had errors about structure packing under Visual Studio 2019. In such cases, you need to update SDL2 with the latest version.
Compiling with Console/Text Output
By default ScummVM is compiled as a Windows subsystem application with no console output. If you need the console, you can do one of the following:
- In the
create_project
command, add --enable-text-console
.
- In the Project Options for the ScummVM project, go to the Linker | System | SubSystem line, and change the
/SUBSYSTEM:WINDOWS
option to /SUBSYSTEM:CONSOLE