Same problem with gtk3:
$ sudo apt install libgtk-3-dev:amd64 libgtk-3-dev:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
libgtk-3-dev is already the newest version (3.22.28-1ubuntu3).
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libgtk-3-dev:i386 : Depends: libgdk-pixbuf2.0-dev:i386 (>= 2.30.0) but it is
not going to be installed
Depends: libpango1.0-dev:i386 (>= 1.40.5) but it is not
going to be installed
Depends: libegl1-mesa-dev:i386 but it is not going to be
installed
Depends: libxkbcommon-dev:i386 but it is not going to be
installed
E: Unable to correct problems, you have held broken packages.
** Also affects: gtk+3.0 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1317116
Title:
libgtk2.0-dev is not multiarch-ready
Status in gtk+2.0 package in Ubuntu:
Confirmed
Status in gtk+3.0 package in Ubuntu:
New
Status in gtk+2.0 package in Debian:
New
Bug description:
This means that if I want to compile a Gtk+ program for x86 on an
amd64 machine, I need to install libgtk2.0-0:i386 and then manually
symlink: libgtk-x11-2.0.so libgdk-x11-2.0.so libatk-1.0.so
libgio-2.0.so libpangoft2-1.0.so libpangocairo-1.0.so libcairo.so
libpango-1.0.so libgobject-2.0.so libglib-2.0.so in /usr/lib/i386
-linux-gnu
$ sudo apt-get install libgtk2.0-dev:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libgtk2.0-dev:i386 : Depends: gir1.2-gtk-2.0:i386 (= 2.24.23-0ubuntu1) but
it is not going to be installed
Depends: libgdk-pixbuf2.0-dev:i386 (>= 2.21.0) but it
is not going to be installed
Depends: libpango1.0-dev:i386 (>= 1.20) but it is not
going to be installed
Depends: libatk1.0-dev:i386 (>= 1.29.2) but it is not
going to be installed
Recommends: python:i386 (>= 2.4) but it is not going to
be installed
E: Unable to correct problems, you have held broken packages.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: libgtk2.0-dev 2.24.23-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Wed May 7 16:17:56 2014
InstallationDate: Installed on 2011-05-11 (1091 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: gtk+2.0
UpgradeStatus: Upgraded to trusty on 2014-04-22 (15 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/1317116/+subscriptions
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