Ticket #1103 (closed defect: fixed)

Opened 7 years ago

Last modified 6 years ago

Not in scope: type constructor or class `CUInt'

Reported by: guest Owned by: somebody
Priority: normal Milestone:
Component: general (Gtk+, Glib) Version: 0.9.12
Keywords: Cc: dufresnep@…

Description

I have made a package for getting and installing Gtk2HS from darcs (gtk2hs-darcs), on Arch Linux. Someone is reporting to me this:

usr/bin/ghc +RTS -RTS -split-objs -c gstreamer/Media/Streaming/GStreamer/Core/GObjectHierarchy.hs -o gstreamer/Media/Streaming/GStreamer/Core/GObjectHierarchy.o -O -fffi -igstreamer -package-conf package.conf.inplace -hide-all-packages -ignore-package gstreamer -package base -package haskell98 -package mtl-1.1.0.0 -package bytestring-0.9.0.1 -package glib-0.9.12.2 -package-name gstreamer-0.9.12.2 '-#include<gstreamer/hsgstreamer.h>' -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/gstreamer-0.10 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2 -I.

gstreamer/Media/Streaming/GStreamer/Core/GObjectHierarchy.chs:73:30:
Not in scope: type constructor or class `CUInt'
make[1]: *** [gstreamer/Media/Streaming/GStreamer/Core/GObjectHierarchy.o] Fehler 1
rm soegtk/Graphics/SOE/Gtk.hs svgcairo/Graphics/Rendering/Cairo/SVG.hs
make[1]: Leaving directory `/home/haawda/abs/gtk2hs-darcs/src/gtk2hs'
make: *** [all] Fehler 2
==> FEHLER: Build fehlgeschlagen.
Breche ab ...

And I responded him with:

I think I may know what is going on, but I just can't believe no developer of gtk2hs is having gstreamer, and a 32 bits system. ;-)

gtk2hs is using c2hs, to make a .hs file from .chs, by consulting C headers files.
gstreamer/Media/Streaming/GStreamer/Core/GObjectHierarchy.chs
choose to import only CULong, because on the author system (which must have 64 bits), this is what the C file header return. But because you have 32 bits (correct me if I am wrong), your C header file return a 32 bit value, so CUInt must be imported too.

So you would have to make a new clean install, but stop the system after darcs got src installed.

Then edit in gstreamer/Media/Streaming/GStreamer/Core/GObjectHierarchy.chs
to remove '(CULong)' on the following line:
import Foreign.C.Types (CULong)
that way, it will import all the types, CUInt included. Or just make it '(CULong,CUInt)'.

I am new to Arch, new to Haskell, and new to Gtk2HS, so I may be out of track however.

Not sure I am Ok, and a developer could verify if there is other files like this. The package can be found http://aur.archlinux.org/packages.php?do_Details=1&ID=14976&O=0&L=0&C=0&K=gtk2hs&SB=n&SO=a&PP=25&do_MyPackages=0&do_Orphans=0&SeB=nd

Change History

Changed 7 years ago by guest

  • cc dufresnep@… added

Changed 7 years ago by axel

  • status changed from new to closed
  • resolution set to fixed

I can't claim that I have done much with gstreamer yet and I definitely haven't compiled it on a 32bit platform. So your observation about insufficient imports is probably correct. I changed the two hierarchy files to import all types from the C module which hopefully works. In darcs now.

I'll close this ticket, please tell me if it doesn't work. thanks, Axel.

Changed 6 years ago by Alvaro

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Changed 6 years ago by Alvaro

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