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[tmodes <679658@xxxxxxxxxxxxxxxxxx>]

Already committed some time ago by Bruno.

** Changed in: hugin
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/679658

Title:
  Avoiding extra linking

Status in Hugin - Panorama Tools GUI:
  Fix Released

Bug description:
  (originally submitted by Cyril Brulebois in hugin-ptx)

  "since one might want to limit the dependencies against other
  pacakages (which, distribution-wide, really helps WRT release
  management), it is usually possible to use the following: LDFLAGS="-Wl
  ,--as-needed". It tells the linker not to include inconditionally all
  -lFOO -lBAR passed on the command-line in NEEDED sections, if no
  symbols from these libraries are actually used."

  "Note that curiously, cmake sometimes can't handle using a static
  library inside a shared library, which is why I've added -fPIC
  explicitely.

  I've rebuilt hugin with and without -Wl,--as-needed and -Wl,-z,defs
  and it doesn't seem like anything is broken.

  Please review and possibly apply the updated attached patch. Note that
  for the second hunk, one might want to use ${image_libs} instead, but
  I added library one by one, on demand, so as to fix undefined
  references issues one after each other."

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