[Buildroot] [Bug 469] New: build of libgtk2 for host incorrectly assumes that X.org development files are installed

[Buildroot] [Bug 469] New: build of libgtk2 for host incorrectly assumes that X.org development files are installed

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=469

           Summary: build of libgtk2 for host incorrectly assumes that X.org
                    development files are installed
           Product: buildroot
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Other
        AssignedTo: jacmet at uclibc.org
        ReportedBy: thomas.petazzoni at free-electrons.com
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0


When building libgtk2 for the host, I get a failure :

 /usr/bin/gcc -I/home/thomas/local/buildroot-test/build_arm/host_dir/include
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include
-DHAVE_CONFIG_H -I. -I. -I../.. -DG_LOG_DOMAIN=\"Gdk\" -DGDK_COMPILATION
-I../.. -I../../gdk -I../../gdk -DGDK_PIXBUF_DISABLE_DEPRECATED
-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS -pthread
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include/glib-2.0
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/lib/glib-2.0/include
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include/pango-1.0
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include/cairo
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include/freetype2
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include/pixman-1
-I/home/thomas/local/buildroot-test/build_arm/host_dir/include
-I/home/thomas/local/buildroot-test/build_arm/host_dir/usr/include -Wall -MT
gdkasync.lo -MD -MP -MF .deps/gdkasync.Tpo -c gdkasync.c  -fPIC -DPIC -o
.libs/gdkasync.o
In file included from gdkprivate-x11.h:36,
                 from gdkx.h:81,
                 from gdkasync.c:52:
../../gdk/x11/gdkwindow-x11.h:33:36: error: X11/extensions/Xdamage.h: No such
file or directory
make[5]: *** [gdkasync.lo] Error 1

This is because libxdamage-dev is not installed on my system. The rest of the
compilation works because some other X.org development files are installed on
my system. But that's just pure coincidence.

With this build of libgtk2 for the host, the X.org development files basically
became a requirement for Buildroot to work properly, which is a shame.

Also, building gtk2 twice (once for the host, once for the target) takes a lot
of time. And the build for the host is done only for a few command line tools.

Isn't it possible to improve all this ?


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[Buildroot] [Bug 469] build of libgtk2 for host incorrectly assumes that X.org development files are installed

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=469


Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|enhancement                 |critical




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[Buildroot] [Bug 469] build of libgtk2 for host incorrectly assumes that X.org development files are installed

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=469





--- Comment #1 from Peter Korsgaard <jacmet@uclibc.org>  2009-07-17 23:00:50 UTC ---
(In reply to comment #0)
> This is because libxdamage-dev is not installed on my system. The rest of the
> compilation works because some other X.org development files are installed on
> my system. But that's just pure coincidence.
> 
> With this build of libgtk2 for the host, the X.org development files basically
> became a requirement for Buildroot to work properly, which is a shame.
> 
> Also, building gtk2 twice (once for the host, once for the target) takes a lot
> of time. And the build for the host is done only for a few command line tools.
> 
> Isn't it possible to improve all this ?

Well, the question is how. The gtk buildsystem afaik needs
gtk-update-icon-cache / gdk-pixbuf-csource, so we either depend on the user
having the gtk development package installed on the host (in a compatible
version), compile it ourselves (either including the X dependencies or require
those packages on the host) or hack the gtk buildsystem to not use those
programs / only compile those programs and not all of GTK.

The third option sounds nice, but I won't have time to work on it in the near
future. It also won't help if we in the future will need to build something
else for the host, which needs gtk.

Further discussion should probably better move to the mailing list though. 


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[Buildroot] [Bug 469] build of libgtk2 for host incorrectly assumes that X.org development files are installed

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=469





--- Comment #2 from Sven Neumann <s.neumann@raumfeld.com>  2009-07-17 23:55:15 UTC ---
Neither gtk-update-icon-cache nor gdk-pixbuf-csource have a dependency on GDK.
It should be possible to build them without building GDK, let alone GTK+. All
you need is gdk-pixbuf. I suggest that you add options to the GTK+ build system
to allow building just gdk-pixbuf and these two tools. This change does not
belong into buildroot though, it should be submitted against upstream GTK+.


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[Buildroot] [Bug 469] build of libgtk2 for host incorrectly assumes that X.org development files are installed

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=469


Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED




--- Comment #3 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com>  2010-02-21 17:50:55 UTC ---
I've submitted today a patch to fix this:
 http://lists.busybox.net/pipermail/buildroot/2010-February/032129.html

However, the patch and solution is not clean enough to be submitted to the Gtk
project.


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