Cairo is a (very nice) 2D vector graphics library, and yes it is fairly recent. As of version 2.8 (I believe), GTK+ uses Cairo to do most of it's drawing, etc. So it's now a dependency of GTK+. Did you upgrade GTK+ recently?
On 1/6/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > > > I was under the impression that g++ automatically enables exception > > support when compiling c++ source code. Are you sure that you were > > compiling without exception support at first? Are you sure it wasn't > > a different change that caused the core dump? It doesn't look like an > > exception-related error to me (but I could be wrong). > > > > Jonner > > (...snip...) > > On 1/6/06, Murray Cumming <[EMAIL PROTECTED]> wrote: > > > On Thu, 2006-01-05 at 14:56 -0500, [EMAIL PROTECTED] wrote: > > > > Does gtkmm > > > > even support C++ exceptions? > > > > > > Yes. It even has exception classes. I'm surprised that it > > works when you > > > choose to compile without exceptions. > > > > > > -- > > > Murray Cumming > > > (...snip...) > > OK. You are probably right. Until I tried to use exceptions with the > persistent commoncpp2 library (catch damaged persistent object streams), > I've never even thought to worry about them. Let me go back and set the > stage a bit here. > > Running gentoo, keeping software up to date regularly, been busy developing > this application, everything is going along just fine. > > Suddenly, after the 1st of the year, I try to resume work, build the app, > and get a core dump and the Cairo exception message, with the stack trace: > > cairo-xlib-surface.c:401: _swap_ximage_to_native: Assertion `NOT_REACHED' > failed. > > #0 0x415e2061 in kill () from /lib/libc.so.6 > #1 0x402631c1 in pthread_kill () from /lib/libpthread.so.0 > #2 0x4026353b in raise () from /lib/libpthread.so.0 > #3 0x415e1df4 in raise () from /lib/libc.so.6 > #4 0x415e321d in abort () from /lib/libc.so.6 > #5 0x415db338 in __assert_fail () from /lib/libc.so.6 > #6 0x413f3acb in cairo_test_xlib_disable_render () from > /usr/lib/libcairo.so.2 > #7 0x413f3cd9 in cairo_test_xlib_disable_render () from > /usr/lib/libcairo.so.2 > #8 0x413f4366 in cairo_test_xlib_disable_render () from > /usr/lib/libcairo.so.2 > #9 0x413e7e32 in cairo_surface_set_device_offset () from > /usr/lib/libcairo.so.2 > #10 0x413e7ff1 in cairo_surface_set_device_offset () from > /usr/lib/libcairo.so.2 > #11 0x413e84d9 in cairo_surface_set_device_offset () from > /usr/lib/libcairo.so.2 > #12 0x413e83da in cairo_surface_set_device_offset () from > /usr/lib/libcairo.so.2 > #13 0x413e017c in cairo_font_options_get_hint_metrics () from > /usr/lib/libcairo.so.2 > #14 0x413e0324 in cairo_font_options_get_hint_metrics () from > /usr/lib/libcairo.so.2 > #15 0x413e0411 in cairo_font_options_get_hint_metrics () from > /usr/lib/libcairo.so.2 > #16 0x413d97e2 in cairo_fill_preserve () from /usr/lib/libcairo.so.2 > #17 0x413d9794 in cairo_fill () from /usr/lib/libcairo.so.2 > #18 0x41310df2 in gdk_window_get_internal_paint_info () from > /usr/lib/libgdk-x11-2.0.so.0 > #19 0x4130f33b in gdk_window_begin_paint_region () from > /usr/lib/libgdk-x11-2.0.so.0 > #20 0x410aac51 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 > #21 0x41311cf3 in gdk_window_clear_area_e () from > /usr/lib/libgdk-x11-2.0.so.0 > #22 0x41311e4e in gdk_window_process_all_updates () from > /usr/lib/libgdk-x11-2.0.so.0 > #23 0x4101ac6e in gtk_container_set_reallocate_redraws () from > /usr/lib/libgtk-x11-2.0.so.0 > #24 0x41478e83 in g_child_watch_add () from /usr/lib/libglib-2.0.so.0 > #25 0x41475e8f in g_main_depth () from /usr/lib/libglib-2.0.so.0 > #26 0x41476f08 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 > #27 0x4147723c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 > #28 0x414777d3 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 > #29 0x410aa533 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 > #30 0x40deb5f9 in Gtk::Main::run_impl () from /usr/lib/libgtkmm-2.4.so.1 > #31 0x40deb443 in Gtk::Main::run () from /usr/lib/libgtkmm-2.4.so.1 > #32 0x0827480f in main (argc=1, argv=0xbffff254) at main.cpp:171 > > No idea where it came from. First that I've see anything like this. I can > see where font metrics are being figured out in the call stack, I thought > that atk was doing that for some reason (where's this Cairo coming from? > I've never even heard of it? Is this something new?) > > So here I am. Kinda stuck. What was working for well over two years now, > has stopped working. From the backtrace, I don't even think that it's > something that my program is doing, or not doing. > > I'm like totally confused, don't know what I did, or didn't do, nor how to > go about fixing it. <pardon the frustration>. > > I'm beginning to think that perhaps I need to re-install the OS from scratch > or something (the typical MS solution), but I don't believe that really. Do > you think that I need to back-rev gtkmm or something? > > Software Versions currently installed: > > dev-cpp/gtkmm > Latest version available: 2.4.11 > Latest version installed: 2.4.11 > > dev-cpp/glibmm > Latest version available: 2.6.1 > Latest version installed: 2.6.1 > > dev-cpp/libglademm > Latest version available: 2.4.1 > Latest version installed: [ Not Installed ] > > dev-cpp/gconfmm > Latest version available: 2.6.1 > Latest version installed: 2.6.1 > > dev-cpp/libgnomecanvasmm > Latest version available: 2.6.1 > Latest version installed: [ Not Installed ] > > dev-cpp/libgnomeuimm > Latest version available: 2.6.0 > Latest version installed: [ Not Installed ] > _______________________________________________ > gtkmm-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/gtkmm-list > _______________________________________________ gtkmm-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gtkmm-list
