libatk1.0-dev multiarch conflict

[Benito van der Zander]

It is not possible to install libatk1.0-dev:i386 and libatk1.0-dev:amd64 together:

# apt install libatk1.0-dev:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  gir1.2-atk-1.0:i386
The following NEW packages will be installed:
  gir1.2-atk-1.0:i386 libatk1.0-dev:i386
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 109 kB of archives.
After this operation, 1.370 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://de.archive.ubuntu.com/ubuntu disco/main i386 gir1.2-atk-1.0 i386 2.32.0-1 [18,0 kB]
Get:2 http://de.archive.ubuntu.com/ubuntu disco/main i386 libatk1.0-dev i386 2.32.0-1 [91,3 kB]
Fetched 109 kB in 0s (457 kB/s)
Selecting previously unselected package gir1.2-atk-1.0:i386.
(Reading database ... 295431 files and directories currently installed.)
Preparing to unpack .../gir1.2-atk-1.0_2.32.0-1_i386.deb ...
Unpacking gir1.2-atk-1.0:i386 (2.32.0-1) ...
Selecting previously unselected package libatk1.0-dev:i386.
Preparing to unpack .../libatk1.0-dev_2.32.0-1_i386.deb ...
Unpacking libatk1.0-dev:i386 (2.32.0-1) ...
dpkg: error processing archive /var/cache/apt/archives/libatk1.0-dev_2.32.0-1_i386.deb (--unpack):
 trying to overwrite shared '/usr/share/gir-1.0/Atk-1.0.gir', which is different from other instances of package libatk1.0-dev:i386
Errors were encountered while processing:
 /var/cache/apt/archives/libatk1.0-dev_2.32.0-1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

I need this for cross compiling

[insaner (insaner)]

Related (same problem on fedora 30): https://bugzilla.redhat.com/show_bug.cgi?id=1801768

Files that differ are:

/usr/share/gir-1.0/Atk-1.0.gir
/usr/share/gtk-doc/html/atk/api-index-full.html

as shown in the rpm install error below:

        file /usr/share/gir-1.0/Atk-1.0.gir conflicts between attempted installs of atk-devel-2.31.92-1.fc30.x86_64 and atk-devel-2.31.92-1.fc30.i686
        file /usr/share/gtk-doc/html/atk/api-index-full.html conflicts between attempted installs of atk-devel-2.31.92-1.fc30.x86_64 and atk-devel-2.31.92-1.fc30.i686