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Today's Topics:

   1. [Bug 515135] glibmm needs the option not to abort programs
      with different encodings (glibmm (bugzilla.gnome.org))
   2. [Bug 523910] New: Use Requires.private in *.pc-file for
      pkg-config (glibmm (bugzilla.gnome.org))
   3. [Bug 523910] Use Requires.private in *.pc-file for        pkg-config
      (glibmm (bugzilla.gnome.org))
   4. [Bug 524126] New: giomm build failure.
      (glibmm (bugzilla.gnome.org))
   5. [Bug 524128] New: Gtk::TextView widget doesn't    like being
      updated from other threads (gtkmm (bugzilla.gnome.org))
   6. [Bug 524128] Gtk::TextView widget doesn't like    being updated
      from other threads (gtkmm (bugzilla.gnome.org))
   7. [Bug 524128] Gtk::TextView widget doesn't like    being updated
      from other threads (gtkmm (bugzilla.gnome.org))


----------------------------------------------------------------------

Message: 1
Date: Sat, 22 Mar 2008 15:13:39 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 515135] glibmm needs the option not to
        abort   programs with different encodings
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=515135

  glibmm | strings | Ver: unspecified

Takao Fujiwara changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |NOTABUG




------- Comment #11 from Takao Fujiwara  2008-03-22 15:13 UTC -------
Thanks very much for your time and explanation.

I couldn't understand what the debuger meant and which errors should be caught.
I'm closing this as "Not a Bug".


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------------------------------

Message: 2
Date: Sat, 22 Mar 2008 22:08:22 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 523910] New: Use Requires.private in
        *.pc-file for pkg-config
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]/>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=523910

  glibmm | general | Ver: 2.16.x
           Summary: Use Requires.private in *.pc-file for pkg-config
           Product: glibmm
           Version: 2.16.x
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: general
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]
         QAContact: [EMAIL PROTECTED]
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Please describe the problem:
At the moment `pkg-config glibmm-2.4.pc --libs` returns:

   -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0 

...but there is usually no need to link against the extra libs when not linking
statically.

Using Requires.private in the *.pc-File helps here:

    - Requires: gobject-2.0 sigc++-2.0
    + Requires.private: gobject-2.0 sigc++-2.0

This way, `pkg-config glibmm-2.4.pc --libs` returns:

    -lglibmm-2.4 

and `pkg-config glibmm-2.4.pc --libs --static` returns:

    -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0

Tobias

Steps to reproduce:
Compile something with "pkg-config glibmm-2.4.pc --libs"

Actual results:
The resulting executable will be linked against libgobject-2.0 and linsigc-2.0,
even if it doesn't use any symbols from these libs.

Expected results:


Does this happen every time?


Other information:


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------------------------------

Message: 3
Date: Sun, 23 Mar 2008 17:07:00 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 523910] Use Requires.private in
        *.pc-file for   pkg-config
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=523910

  glibmm | general | Ver: 2.16.x

[EMAIL PROTECTED] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[EMAIL PROTECTED]




------- Comment #1 from [EMAIL PROTECTED]  2008-03-23 17:07 UTC -------
Public headers of glibmm #include headers of glib and sigc++: those packages
are required even when compiling in a dynamic environment.


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------------------------------

Message: 4
Date: Mon, 24 Mar 2008 13:56:37 +0000 (UTC)
From: "glibmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 524126] New: giomm build failure.
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]/>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
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  http://bugzilla.gnome.org/show_bug.cgi?id=524126

  glibmm | io | Ver: 2.16.x
           Summary: giomm build failure.
           Product: glibmm
           Version: 2.16.x
          Platform: Other
        OS/Version: Windows
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: io
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]
         QAContact: [EMAIL PROTECTED]
     GNOME version: 2.21/2.22
   GNOME milestone: Unspecified


I'm trying to build glibmm on windows using mingw (gcc-3.4.5)

glibmm build went fine. but giomm build failed showing undefined references to
the following.

g_desktop_app_info_get_type
g_unix_input_stream_get_type
g_unix_output_stream_get_type
Glib::wrap_register(g_desktop_app_info_get_type(),
&Gio::DesktopAppInfo_Class::wrap_new);
Glib::wrap_register(g_unix_input_stream_get_type(),
&Gio::UnixInputStream_Class::wrap_new);
Glib::wrap_register(g_unix_output_stream_get_type(),
&Gio::UnixOutputStream_Class::wrap_new);

So I've commented out appropriate lines in giomm/wrap_init.cc file and the
build went fine.

Surya


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------------------------------

Message: 5
Date: Mon, 24 Mar 2008 14:04:51 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 524128] New: Gtk::TextView widget
        doesn't like being updated from other threads
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]/>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=524128

  gtkmm | build | Ver: 2.10.x
           Summary: Gtk::TextView widget doesn't like being updated from
                    other threads
           Product: gtkmm
           Version: 2.10.x
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: build
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]
         QAContact: [EMAIL PROTECTED]
     GNOME version: 2.21/2.22
   GNOME milestone: Unspecified


As the title said, if I create a separate thread and update a TextBuffer, which
has been associated with a TextView. The program crashes sooner rather than
later. The TextView widget often got messed up when that happened.

It seems the stack or internal state of Gtk(mm) was corrupted. The behavior is
random: Some times it crashes right away, sometimes a few seconds later. Error
messages spitted out by Gtk+ also suggested this: I got entirely unrelated
messages in different runs. Here are two out of many:

====================
(whiteboard:11964): Gtk-WARNING **: Invalid text buffer iterator: either the
iterator is uninitialized, or the characters/pixbufs/widgets in the buffer have
been modified since the iterator was created.
You must use marks, character numbers, or line numbers to preserve a position
across buffer modifications.
You can apply tags and insert marks without invalidating your iterators,
but any mutation that affects 'indexable' buffer contents (contents that can be
referred to by character offset)
will invalidate all outstanding iterators
=====================

=====================
**
**
Pango:ERROR:(/build/buildd/pango1.0-1.20.0/pango/pango-layout.c:5910):pango_layout_iter_next_line:
assertion failed: (iter->line_extents_link != NULL)
=====================

I am the developer of Linux Whiteboard. The behavior was observed when I ran my
program. But I tested it on several test apps and they exposed the same
behavior.

*********************
Steps to reproduce:
 - Build a simple GUI using Glade with a TextView and a Button.
 - Associate a TextBuffer with the TextView and update the TextBuffer using
Gtk::TextBuffer::insert_at_cursor() .
 - Write code to spawn a thread when the Button is clicked, the thread function
just updates the TextBuffer once per second.
 - Load and run the GUI in the app and watch it crash. User may have to select
the text inside or otherwise move the mouse around the TextView.


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------------------------------

Message: 6
Date: Mon, 24 Mar 2008 14:07:04 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 524128] Gtk::TextView widget doesn't
        like    being updated from other threads
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=524128

  gtkmm | build | Ver: 2.10.x




------- Comment #1 from [EMAIL PROTECTED]  2008-03-24 14:07 UTC -------
I can provide a minimal test case when needed. It is quite easy to reproduce
though.


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------------------------------

Message: 7
Date: Mon, 24 Mar 2008 14:13:19 +0000 (UTC)
From: "gtkmm (bugzilla.gnome.org)"
        <[EMAIL PROTECTED]>
Subject: [gtkmm bugzilla] [Bug 524128] Gtk::TextView widget doesn't
        like    being updated from other threads
To: [EMAIL PROTECTED]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=utf-8

If you have any questions why you received this email, please see the text at
the end of this email. Replies to this email are NOT read, please see the text
at the end of this email. You can add comments to this bug at:
  http://bugzilla.gnome.org/show_bug.cgi?id=524128

  gtkmm | build | Ver: 2.10.x

Jonathon Jongsma (jonner) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[EMAIL PROTECTED]
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |NOTABUG




------- Comment #2 from Jonathon Jongsma (jonner)  2008-03-24 14:13 UTC -------
It is true that gtk widgets don't like to be modified from other threads.  That
is because GTK+ is not threadsafe.  One option is to use a Glib::Dispatcher for
communication between different threads (see
http://www.gtkmm.org/docs/glibmm-2.4/docs/reference/html/classGlib_1_1Dispatcher.html).
Alternately, use the gdk thread-related functions to protect *all* gtk function
calls made from other threads:
http://library.gnome.org/devel/gdk/stable/gdk-Threads.html 

If you already are doing one of these things and it still has problems, feel
free to re-open this bug and somebody can help investigate the issue further.


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