Arch Linux

I think this is a good idea. I maintain some "regular-size" Intel and some ARM-based (space-constrained) systems that require mono, but none of the libgdiplus dependencies. I've been creating my own mono package without the libgdiplus dependency. Its not a big deal to keep doing this, but it makes sense to build mono with libgdiplus as an optdepends.

I'm all pro in favor of listing all the direct dependencies of packages. But I think it would be best if we can come up with a list of these packages that would need to get changed and create a TODO for this.

Let me preface by stating I'm not a C#/.NET/Mono expert (not even a little bit! :) but I figured there had to be an easy way to determine if any of the Arch packages that require mono ALSO require libgdiplus. So downloaded the packages listed at https://www.archlinux.org/packages/extra/x86_64/mono/ as follows:

avahi-0.7-4-x86_64.pkg.tar.xz
dbus-sharp-0.8.1-1-any.pkg.tar.xz
diffoscope-90-2-x86_64.pkg.tar.xz
graphviz-2.40.1-10-x86_64.pkg.tar.xz
gtk-sharp-2-2.12.45-1-x86_64.pkg.tar.xz
gtk-sharp-3-2.99.3-1-x86_64.pkg.tar.xz
haxe-3.4.4-1-x86_64.pkg.tar.xz
keepass-2.38-1-any.pkg.tar.xz
log4net-2.0.8-1-any.pkg.tar.xz
meson-0.44.0-2-any.pkg.tar.xz
mono-addins-1.3.3-1-x86_64.pkg.tar.xz
nini-1.1.0-5-any.pkg.tar.xz
nuget-2.14-2-any.pkg.tar.xz
openbve-1.5.3.0-1-any.pkg.tar.xz
openra-20171014-1-any.pkg.tar.xz
referenceassemblies-pcl-4.6-1-any.pkg.tar.xz
taglib-sharp-2.1.0.0-3-any.pkg.tar.xz
uwsgi-plugin-mono-2.0.15-9-x86_64.pkg.tar.xz

I extracted each archive and used the monodis tool (comes with mono) with the --assemblyref option (https://linux.die.net/man/1/monodis) to examine each .exe and .dll file to see which used "System.Drawing". I assumed that if the exe/dll uses System.Drawing, it probably requires libgdiplus. I can't say for certain that is 100% valid, but it makes sense to me. :) http://www.mono-project.com/docs/gui/libgdiplus/

This is the list of exe/dll files which use System.Drawing:

./gtk-sharp-2/usr/lib/mono/gac/gtk-dotnet/2.12.0.0__35e10195dab3c99f/gtk-dotnet.dll
./gtk-sharp-2/usr/lib/mono/gtk-sharp-2.0/gtk-dotnet.dll
--
./gtk-sharp-3/usr/lib/mono/gac/gtk-dotnet/3.0.0.0__35e10195dab3c99f/gtk-dotnet.dll
./gtk-sharp-3/usr/lib/mono/gtk-sharp-3.0/gtk-dotnet.dll
--
./keepass/usr/share/keepass/KeePass.exe
--
./openbve/usr/lib/openbve/ObjectBender.exe
./openbve/usr/lib/openbve/CarXmlConvertor.exe
./openbve/usr/lib/openbve/OpenBve.exe
./openbve/usr/lib/openbve/TrainEditor.exe
./openbve/usr/lib/openbve/RouteViewer.exe
./openbve/usr/lib/openbve/ObjectViewer.exe
./openbve/usr/lib/openbve/OpenBveApi.dll
./openbve/usr/lib/openbve/OpenTK.dll
./openbve/usr/share/games/openbve/Data/Plugins/Texture.BmpGifJpegPngTiff.dll
--
./openra/usr/lib/openra/OpenRA.Game.exe
./openra/usr/lib/openra/OpenRA.Platforms.Default.dll
./openra/usr/lib/openra/SharpFont.dll
./openra/usr/lib/openra/mods/common/OpenRA.Mods.Cnc.dll
./openra/usr/lib/openra/mods/common/OpenRA.Mods.Common.dll
./openra/usr/lib/openra/mods/d2k/OpenRA.Mods.D2k.dll

So, assuming my test is valid, that means gtk-sharp-2, gtk-sharp-3, keepass, openbve, and openra require libgdiplus.

Hopefully this information helps at some point!

@John,

Thanks for looking into it. I can take care of keepass depending on it, since I maintain it. But we would need to create a todo for the remaining ones. I'm waiting for Levente's take on this though.

Any update here? I'm one of the people who would be strongly in favor of this change happening, but it seems this issue's been sitting idle for a few months now.

Hi @Steve, I have not tested all this software to see if they work fine with libgdiplus as a dependency directly to them (I don't see why not) instead of mono. I can say that keepass works just fine without it. I'll talk with the devs of those packages and see if they are up to change them and, if so, prepare a todo for this.

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