[Bug 1001621] [NEW] appmenu-qt doesn't work with 32-bit apps on 64-bit system

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You have been subscribed to a public bug by Ubuntu Foundations Team Bug Bot (crichton):

When I run a software which it write with and build in 32bit system in a 64bit system.
It can't work a global meun and the HUD.

I test this in Ubuntu 12.04 64bit,and the version of unity is 5.12.0.
And we can reproduce it run the little program (attachment) in 64bit sysytem which I write it with Qt and build in 32 bit system.
(You may should install ia32-libs to support 32bit software in 64bit system)

And this is the output information:

Unable to load library icui18n "Cannot load library icui18n: (libicui18n.so.48: wrong ELF class: ELFCLASS64)"
/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so: wrong ELF class: ELFCLASS64

(unitytest32bit:12486): Gtk-WARNING **: Failed to load type module:
/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so

/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so: wrong ELF class:
ELFCLASS64

(unitytest32bit:12486): Gtk-WARNING **: Failed to load type module:
/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so

/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so: wrong ELF class:
ELFCLASS64

(unitytest32bit:12486): Gtk-WARNING **: Failed to load type module:
/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so

/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so: wrong ELF class:
ELFCLASS64

(unitytest32bit:12486): Gtk-WARNING **: Failed to load type module:
/usr/lib/gtk-2.0/2.10.0/menuproxies/libappmenu.so

** Affects: appmenu-qt
     Importance: Wishlist
         Status: Triaged

** Affects: unity
     Importance: Undecided
         Status: Confirmed

** Affects: appmenu-qt (Ubuntu)
     Importance: Wishlist
         Status: Triaged

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: multiarch patch
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appmenu-qt doesn't work with 32-bit apps on 64-bit system
https://bugs.launchpad.net/bugs/1001621
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