Bug#897355: libtorch-th-dev claims to be Multi-Arch: same but is not

[Francois Gouget]

Package: libtorch-th-dev
Version: 0~20170926-g89ede3b-2
Severity: normal

Dear Maintainer,

Trying to install the amd64 and i386 versions of this
package results in the following error:

# apt-get install libtorch-th-dev:amd64 libtorch-th-dev:i386
[...]
Unpacking libtorch-th-dev:i386 (0~20170926-g89ede3b-2) ...
dpkg: error processing archive /var/cache/apt/archives/libtorch-th-dev_0~20170926-g89ede3b-2_i386.deb (--unpack):
 trying to overwrite shared '/usr/include/TH/THGeneral.h', which is different from other instances of package libtorch-th-dev:i386
Errors were encountered while processing:
 /var/cache/apt/archives/libtorch-th-dev_0~20170926-g89ede3b-2_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)


-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.15.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libtorch-th-dev depends on:
ii  libtorch-th  0~20170926-g89ede3b-2

libtorch-th-dev recommends no packages.

libtorch-th-dev suggests no packages.

-- no debconf information