Difference between revisions of "Using 32-bit applications on Arch64"

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#REDIRECT [[Multilib]]
[[de:32Bit-Programme unter Arch64]]
 
[[fr:Utiliser des applications 32bits avec Arch64]]
 
==Introduction==
 
64-Bit-Processors like Athlon 64 are able to execute 32- and 64-bit programs at the same time.
 
 
 
==Packages==
 
32bit packages can now be found in the [multilib]-repository. You will need to add this repository before downloading any 32bit lib.
 
 
 
==Installation==
 
You will always need to install ''lib32-glibc'' in order to execute 32-bit-programs. It might be necessary to fake the output of ''uname''. Use the package ''linux32'' for this.
 
 
 
Some legacy C++ programs also need ''lib32-libstdc++5''.
 
 
 
===OpenGL-Applications===
 
Programs using OpenGL need one of the following libraries:
 
* Open source drivers: lib32-{ati,intel,mach64,mga,nouveau,r128,savage,sis,tdfx,unichrome}-dri
 
* Closed source drivers: lib32-{catalyst,nvidia}-utils
 
* Software rendering: lib32-libgl
 
 
 
===QT-Applications===
 
Programs using QT should run at once after installing ''lib32-qt''.
 
===Alsa & OpenAL===
 
For Alsa and OpenAL-Support you have to install ''lib32-alsa-lib'' and ''lib32-openal''.
 
 
 
==Tested Applications==
 
* Doom3, Enemy-Territory, Unreal Tournament
 
** 32-bit opengl library (specific to driver), lib32-alsa-lib, [lib32-libstdc++5, lib32-openal]
 
* Diablo II, Warcraft III
 
** 32-bit opengl library (specific to driver), lib32-alsa-lib, [For Warcraft: lib32-openal]
 
 
 
==Environment Variables==
 
Some useful Env Variables when running 32bit-applications without chroot:
 
 
 
For gtk2 input modules and such
 
GTK_PATH=/opt/lib32/usr/lib/gtk-2.0/
 
For pango (lib32-pango includes these config files)
 
PANGO_RC_FILE="/opt/lib32/config/pango/pangorc"
 
Iconv (conversion from 'XXXXXXX' is not supported or cannot convert from X to Y -errors)
 
GCONV_PATH=/opt/lib32/usr/lib/gconv
 
Library paths without having them in /etc/ld.so.conf
 
LD_LIBRARY_PATH="/opt/lib32/usr/lib/:/opt/lib32/lib/:$LD_LIBRARY_PATH"
 
GDK stuff (GdkPixbuf warnings errors criticals, lib32-gtk2 includes the file)
 
GDK_PIXBUF_MODULE_FILE="/opt/lib32/config/gdk/gdk-pixbuf.loaders"
 

Latest revision as of 09:03, 7 December 2014

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