[Bug 1311711] Re: g++-multilib conflicts with g++-4.8-multilib-powerpc-linux-gnu

[Matthias Klose]

> Why do these two packages conflict with each other?

the gcc-multilib package installs a /usr/include/asm symlink to some
header files which are installed for the non-default multilib. This can
be wrongly picked up by the cross compiler, therefore the conflict.


** Changed in: gcc-4.8-powerpc-cross (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1311711

Title:
  g++-multilib conflicts with g++-4.8-multilib-powerpc-linux-gnu

Status in gcc-4.8-powerpc-cross package in Ubuntu:
  Invalid

Bug description:
  Hello,

  I'm setting up C++ compilers in Ubuntu 14.04 amd64.

  I ran:
  "sudo apt-get install build-essential"

  That worked for the normal stuff, but I found it wasn't enough for a 32-bit compile:
  "g++ -m32 hello_world.cpp -o hello_world"

  To fix that, based on internet research, I installed the multilib:
  "sudo apt-get install g++-multilib"

  Then I wanted to compile for the powerpc architecture. Refer to <http://packages.ubuntu.com/source/trusty/gcc-4.8-powerpc-cross>:
  "sudo apt-get install g++-4.8-powerpc-linux-gnu"

  In the suggests section, apt recommends package g++-4.8-multilib-powerpc-linux-gnu.
  "sudo apt-get install g++-4.8-multilib-powerpc-linux-gnu"

  Apt then tells me that g++-multilib will be removed! If I do so, I can
  no longer compile hello_world on the amd64 machine.

  Why do these two packages conflict with each other? My hello world
  tests show that without g++-multilib I cannot build 32 bit
  applications on the amd64. Without g++-4.8-multilib-powerpc-linux-gnu
  I'm unable to cross compile for 64 bit powerpc.

  Is it possible for these two packages to coexist on the system?

  Thank you much for your help.

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