I tested the package from trusty-proposed, but I am not sure whether the
issue can be considered fixed.

In fact, the dangling symlinks have been removed, but they have not been
added in the right place. This means that software depending on libungif
will still not compile.

The question is, whether this is by intention: Should libgif provide an
alias for libungif (because it effectively provides the functionality of
libungif) or is it an intentional choice not to provide libungif and
should all software depending on it be changed to depend on libgif
instead?

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https://bugs.launchpad.net/bugs/1337898

Title:
  Invalid symlinks for libungif.so and libungif.a

Status in giflib package in Ubuntu:
  Fix Released
Status in giflib source package in Trusty:
  Fix Committed

Bug description:
  Impact
  ======
  Linking programs that need libungif ("-lungif") will fail.

  Test Case
  =========
  apt-get install build-essential libgif-dev
  cat >>test.c EOF
  int main(int argc, char **argv) {
    return 0;
  }
  EOF
  gcc -lungif test.c

  GCC will fail with "/usr/bin/ld: cannot find -lungif" on affected
  systems.

  Regression Potential
  ====================
  None, just removing some dangling symlinks that couldn't work any way.

  Original Bug Report
  ===================
  In Ubuntu 14.04 LTS on x86_64 I am experiencing the following bug in 
libgif-dev 4.1.6-11:

  Symbol links for libungif.a, libungif.la, and libungif.so are created
  in /usr/lib that point to libgif.a, libgif.la and libgif.so.4.1.6
  respectively. However, these files are not in /usr/lib but in
  /usr/lib/x86_64-linux-gnu. Therefore, the symbol links are invalid.

  I suggest fixing this by placing the symbol links in the same
  directory as the target files.

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