Hi, Jeff,

Okay, I'll try to have a look at it later.

I've got mixed results with MonoDevelop/Xamarin Studio in the past, including 
crashes while trying to load "normal" solution files (which work fine with VS, 
VS Express, MSBuild, VisualBuild and SharpDevelop)...

Best regards

Markus Schaber

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> -----Ursprüngliche Nachricht-----
> Von: Jeff Hardy [mailto:jdha...@gmail.com]
> Gesendet: Dienstag, 4. Februar 2014 10:01
> An: Markus Schaber
> Cc: ironpython-users@python.org
> Betreff: Re: [Ironpython-users] Splitting up the IronPython repo
> 
> I did most of the work on my MacBook, just running MSBuild from the command
> line; it might still need some tweaking to work from VS. The main thing is
> making sure all of the properties are set when just loading the projects (not
> using Build.proj as a wrapper). If you look in the .csproj file, it tries to
> populate a property (the filename of the platform-specific properties) and
> then import it; my guess is that for some reason that is not getting set
> properly and staying at ''.
> 
> Unfortunately VS and MSBuild are not exactly the same; the environment and
> pre-set properties are different depending on whether it is run from the
> command line or VS. I do remember opening it in VS 2013 though, to make sure
> that it worked, but it's possible I changed something since then or that 2012
> and 2013 are slightly different. I don't want to require 2013, though. (I'd
> also like to open cleanly in MonoDevelop/Xamarin Studio, but it tends to
> mangle the csproj files in unfortunate ways.)
> 
> - Jeff
> 
> On Tue, Feb 4, 2014 at 8:21 AM, Markus Schaber <m.scha...@codesys.com> wrote:
> > Hi, Jeff,
> >
> > I tried to open the IronPython solution file  using Visual Studio 2010 Pro
> and 2012 Express for Desktop. Both failed to open the IronPython, IronPython
> and IronPython.SQLite projects with the following error messages:
> >
> > D:\Contribs\Ironpython\ironpython-only\Src\IronPython\IronPython.csproj :
> error  : Unable to read the project file 'IronPython.csproj'.
> > D:\Contribs\Ironpython\ironpython-
> only\Src\IronPython\IronPython.csproj(516,3): The value "" of the "Project"
> attribute in element <Import> is invalid. Parameter "path" cannot have zero
> length.
> >
> > D:\Contribs\Ironpython\ironpython-
> only\Src\IronPython.Modules\IronPython.Modules.csproj : error  : Unable to
> read the project file 'IronPython.Modules.csproj'.
> > D:\Contribs\Ironpython\ironpython-
> only\Src\IronPython.Modules\IronPython.Modules.csproj(149,3): The value "" of
> the "Project" attribute in element <Import> is invalid. Parameter "path"
> cannot have zero length.
> >
> > D:\Contribs\Ironpython\ironpython-
> only\Src\IronPython.SQLite\IronPython.SQLite.csproj : error  : Unable to read
> the project file 'IronPython.SQLite.csproj'.
> > D:\Contribs\Ironpython\ironpython-
> only\Src\IronPython.SQLite\IronPython.SQLite.csproj(160,3): The value "" of
> the "Project" attribute in element <Import> is invalid. Parameter "path"
> cannot have zero length.
> >
> > Some of the properties associated with the solution could not be read.
> >
> > Best regards
> >
> > Markus Schaber
> >
> > CODESYS® a trademark of 3S-Smart Software Solutions GmbH
> >
> > Inspiring Automation Solutions
> >
> > 3S-Smart Software Solutions GmbH
> > Dipl.-Inf. Markus Schaber | Product Development Core Technology
> > Memminger Str. 151 | 87439 Kempten | Germany Tel. +49-831-54031-979 |
> > Fax +49-831-54031-50
> >
> > E-Mail: m.scha...@codesys.com | Web: http://www.codesys.com | CODESYS
> > store: http://store.codesys.com CODESYS forum:
> > http://forum.codesys.com
> >
> > Managing Directors: Dipl.Inf. Dieter Hess, Dipl.Inf. Manfred Werner |
> > Trade register: Kempten HRB 6186 | Tax ID No.: DE 167014915
> >
> >> -----Ursprüngliche Nachricht-----
> >> Von: Ironpython-users [mailto:ironpython-users-
> >> bounces+m.schaber=codesys....@python.org] Im Auftrag von Jeff Hardy
> >> Gesendet: Montag, 20. Januar 2014 10:10
> >> An: ironpython-users@python.org
> >> Betreff: [Ironpython-users] Splitting up the IronPython repo
> >>
> >> One of the big issues with working on IronPython is the size of the
> >> git repository (specifically https://github.com/IronLanguages/main) -
> >> git does not like really big repos, especially on Windows. Part of
> >> the problem is that the repository includes:
> >>
> >> * The DLR
> >> * IronPython
> >> * IronRuby
> >> * Two copies of the Python stdlib
> >> * The Ruby stdlib
> >> * WiX
> >> * and a bunch of reference assemblies
> >>
> >> Even on a fast machine, 'git status' takes several seconds to return.
> >> I believe this is because it was originally a TFS repo, which can
> >> scale to handle bigger repos by using a bigger server. With git that
> >> option doesn't exist - if the repo is too big, the only option is to split
> it up.
> >>
> >> I've created two repos - https://github.com/jdhardy/dlr and
> >> https://github.com/jdhardy/ironpython-only - that contain just the
> >> DLR and IronPython, respectively. In them, git calls are nearly
> >> instantaneous, which makes working with it a lot less painful.
> >>
> >> There are other advantages - the DLR can get its own release cycle
> >> and packaging, and IP can then depend on a specific version of the DLR.
> >> Each project has a modified version of the IronPython build system
> >> that makes it easy to build for other platforms (iOS, Android, Win8,
> >> etc. - they still need to ported and tested, but the builds are easier).
> >>
> >> I did most of the work using Mono/xbuild, so I know it works there
> >> (except for a bug in Mono's .NET 4.5 support), but it has some errors
> >> on Windows that I need to sort out.
> >>
> >> Once I get my Windows box back and get some time to fix the few
> >> remaining issues, I'll move the repos to the IronLanguages account
> >> and use them for development of a real DLR release and IronPython
> >> 3.0. Any more 2.7 releases will come out of the existing repo.
> >>
> >> One downside is that copying patches between 3.0 and 2.7 is going to
> >> be extra work, but 3.0 will solve so many problems with strings that
> >> I think it will quickly become the more common target. In general
> >> Python
> >> 3 momentum is picking up so it's a good time (some recent
> >> hand-wringing
> >> notwithstanding) to try and have IronPython 3 in the right spot at
> >> the right time.
> >>
> >> I haven't really addressed IronRuby because, for intents and
> >> purposes, it's dead.
> >>
> >> All of that said, if anyone has any objections I'd like to hear them.
> >> The split repos work well for me but I'm curious if others prefer the
> >> combined repo.
> >>
> >> - Jeff
> >> _______________________________________________
> >> Ironpython-users mailing list
> >> Ironpython-users@python.org
> >> https://mail.python.org/mailman/listinfo/ironpython-users
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