On 19/04/2010 15:09, Andy Stewart wrote:
> Hi Simon,
> Simon Marlow<marlo...@gmail.com> writes:
>
>> On 09/04/2010 17:14, Axel Simon wrote:
>>>
>>> On 09.04.2010, at 17:13, Simon Marlow wrote:
>>>
>>>> On 09/04/2010 16:01, Simon Marlow wrote:
>>>>
>>>>> Now I have a different problem:
>>>>>
>>>>> /home/simonmar/fp/bin/x86_64-unknown-linux/ghc-6.12.1.20100330 +RTS -RTS
>>>>> -c soegtk/Graphics/SOE/Gtk.hs -o soegtk/Graphics/SOE/Gtk.o -O -isoegtk
>>>>> -package-conf package.conf.inplace -hide-all-packages -ignore-package
>>>>> soegtk -package base-4.2.0.1 -package old-time-1.0.0.4 -package
>>>>> mtl-1.1.0.2 -package glib-0.10.1 -package gtk-0.10.1 -package
>>>>> cairo-0.10.1 -package-name soegtk-0.10.1 '-#include<gtk/hsgtk.h>'
>>>>> -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
>>>>> -I/usr/include/pango-1.0 -I/usr/include/glib-2.0
>>>>> -I/usr/lib64/glib-2.0/include -I/usr/include/gtk-2.0
>>>>> -I/usr/lib64/gtk-2.0/include -I/usr/include/cairo -I/usr/include/atk-1.0
>>>>> -I.
>>>>> <command line>: cannot satisfy -package gtk-0.10.1:
>>>>> gtk-0.10.1 is unusable due to missing or recursive dependencies:
>>>>> gio-0.10.1
>>>>> (use -v for more information)
>>>>> make[1]: *** [soegtk/Graphics/SOE/Gtk.o] Error 1
>>>>>
>>>>> I presume I need to build gio, and it's not being built because I don't
>>>>> have the development library installed?
>>>>
>>>> Having poked around a bit more, I see that
>>>>
>>>> - configure.ac wants gio>= 2.16.4 to enable gio support
>>>> - gtk now depends on gio
>>>> - this distro (Fedora 9) only provides gio 2.16.3
>>>>
>>>> So I'm out of luck. Looks like some updates to the configure script are
>>>> needed so this fails a bit earlier though?
>>>>
>>>
>>> Ok, so gio is fairly new and we should probably try to make Gtk build
>>> without it. As far as I understand, there are only a few data types that
>>> GIO uses and which are also used by Gtk. If that is the sole reason that
>>> gtk depends on gio, then maybe we can conditionally compile those gtk
>>> functions that use the gio data types.
>>>
>>> Thanks Simon for bearing with us. I really want to keep Gtk2Hs compiling
>>> against every release of Gtk+ starting from 2.8 (which is where Cairo
>>> was introduced).
>>
>> I've been away for a week, and I see there is much upheaval in the gtk2hs
>> camp. I really wanted to
>> get gtk2hs built with GHC 6.12.1 so that I could investigate Andy's bug with
>> forkProcess
>>
>> http://hackage.haskell.org/trac/ghc/ticket/3918
> I have found why, below is notes i wrote in
> `gtk2hs/demo/embedded/Notes.txt` :
>
> ------------------------------> Notes start<------------------------------
> If you use GtkSocket/GtkPlug with multi-processes framework.
> DON'T use function `forkProcess` to spawn process!
>
> Because `forkProcess` just simple call C `fork`, haven't any protection,
> then two processes will got *race condition*,
> you will get X Window error (such as `BadWindow`) when those two processes
> try to access same X resource.
>
> So use `runProcess` or `runCommand` instead.
> Above two functions add MVar lock when spawn processes (call
> c_runInteractiveProcess)
> to make sure two processes won't get *race condition* problem on X resource.
> ------------------------------> Notes end<------------------------------
Ah, so you're saying I can close that ticket?
>> I can't use the latest release of gtk2hs because it doesn't work with GHC
>> 6.12.x. So if anyone has
>> any advice, please let me know!
> Axel has working on cabalized version, i think he will release it very
> soon.
Great to hear that, I look forward to it!
Cheers,
Simon
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