[Bug 1342085] [NEW] Objective C tries to use 4.8 even if not installed and 4.9 is the default

[Jussi Pakkanen]

Public bug reported:

Write the following simple program in file prog.m:

#import<stdio.h>

int main(int argc, char **argv) {
    return 0;
}

Then in a fresh install of utopic do this:

apt-get install gobjc

Then try to compile the app:

cc -o prog prog.m

The result is this error message:

cc: error trying to exec 'cc1obj': execvp: No such file or directory

The package gobjc installs gobjc 4.9 but for some reason cc tries to
invoke the one from 4.8. This can be verified by issuing the following
command:

apt-get install gobjc-4.8

After this the compilation succeeds.

This issue causes e.g. this build failure in the unit test suite of a
different package blocking its migration from Debian into Ubuntu:

https://launchpad.net/ubuntu/+source/meson/0.18.0-1/+build/6183853

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: gobjc 4:4.9.0-3ubuntu5
ProcVersionSignature: Ubuntu 3.16.0-3.8-generic 3.16.0-rc4
Uname: Linux 3.16.0-3-generic x86_64
ApportVersion: 2.14.4-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jul 15 14:05:21 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-05-22 (53 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417)
SourcePackage: gcc-defaults
UpgradeStatus: Upgraded to utopic on 2014-05-27 (49 days ago)

** Affects: gcc-defaults (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug utopic

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https://bugs.launchpad.net/bugs/1342085

Title:
  Objective C tries to use 4.8 even if not installed and 4.9 is the
  default

Status in “gcc-defaults” package in Ubuntu:
  New

Bug description:
  Write the following simple program in file prog.m:

  #import<stdio.h>

  int main(int argc, char **argv) {
      return 0;
  }

  Then in a fresh install of utopic do this:

  apt-get install gobjc

  Then try to compile the app:

  cc -o prog prog.m

  The result is this error message:

  cc: error trying to exec 'cc1obj': execvp: No such file or directory

  The package gobjc installs gobjc 4.9 but for some reason cc tries to
  invoke the one from 4.8. This can be verified by issuing the following
  command:

  apt-get install gobjc-4.8

  After this the compilation succeeds.

  This issue causes e.g. this build failure in the unit test suite of a
  different package blocking its migration from Debian into Ubuntu:

  https://launchpad.net/ubuntu/+source/meson/0.18.0-1/+build/6183853

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: gobjc 4:4.9.0-3ubuntu5
  ProcVersionSignature: Ubuntu 3.16.0-3.8-generic 3.16.0-rc4
  Uname: Linux 3.16.0-3-generic x86_64
  ApportVersion: 2.14.4-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Jul 15 14:05:21 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-05-22 (53 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417)
  SourcePackage: gcc-defaults
  UpgradeStatus: Upgraded to utopic on 2014-05-27 (49 days ago)

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