Btw, make sure you're using the mingw64 shell to compile, NOT the msys2 one! The latter should only be used for downloading/updating packages and etc.
On Tue, Aug 16, 2016 at 1:05 PM, D. B. <db0...@gmail.com> wrote: > I had this before. Based on research I think it might be caused by not > compiling in GUI mode, i.e. with* -mwindows* switch etc. > > IIRC I could then start it from a cmd prompt - to ensure I'd see any > stdout/err - which wouldn't open the 2nd window like before, nor give the > error > > Although I changed several things at the same time, so it could've been > the others... but that was the only one that seemed relevant. > > > On Tue, Aug 16, 2016 at 1:00 PM, <gtkmm-list-requ...@gnome.org> wrote: > >> Send gtkmm-list mailing list submissions to >> gtkmm-list@gnome.org >> >> To subscribe or unsubscribe via the World Wide Web, visit >> https://mail.gnome.org/mailman/listinfo/gtkmm-list >> or, via email, send a message with subject or body 'help' to >> gtkmm-list-requ...@gnome.org >> >> You can reach the person managing the list at >> gtkmm-list-ow...@gnome.org >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of gtkmm-list digest..." >> >> >> Today's Topics: >> >> 1. gtkmm3 on msys2 gives "attempt to override >> closure->va_marshal" (Damon Register) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Mon, 15 Aug 2016 22:41:53 -0400 >> From: Damon Register <damonregis...@bellsouth.net> >> To: Gtkmm Mailing List <gtkmm-list@gnome.org> >> Subject: gtkmm3 on msys2 gives "attempt to override >> closure->va_marshal" >> Message-ID: <4107f574-d60a-b1e5-bbc7-b1a369946...@bellsouth.net> >> Content-Type: text/plain; charset=utf-8; format=flowed >> >> After being stuck in the gtkmm2 world for a few years, I decided to >> finally try moving up to gtkmm3. After a bit of searching on-line, >> it seemed that it was either Visual Studio or msys2 if I want to make >> Windows programs. I followed the procedure that I found for msys2 >> and was even able to build a few "hello world" programs. The only >> problem I have is that I see this message on closing any of the >> programs: >> >> GLib-GObject-WARNING **: attempt to override closure->va_marshal >> >> After some searching on this and a trip upstairs for some Excedrin, >> I could only find a few mentions but no answers though I think one >> suggested it might be a bug in this version of gtkmm. Is there anyone >> who knows about this problem and can help? >> >> I even tried a few tutorial examples such as the clock one, in case >> my hello world code was missing something but they had the same >> problem. >> >> Damon Register >> >> >> ------------------------------ >> >> Subject: Digest Footer >> >> _______________________________________________ >> gtkmm-list mailing list >> gtkmm-list@gnome.org >> https://mail.gnome.org/mailman/listinfo/gtkmm-list >> >> >> ------------------------------ >> >> End of gtkmm-list Digest, Vol 148, Issue 8 >> ****************************************** >> > >
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