Is there a definitive analysis somewhere that has verified all the
patents involved in this space have indeed passed into the public domain
world wide?
I personally haven't see anyone assert they have a complete list of all
the patents involved. Based on that, I don't believe we can take action
on this currently. I appreciate that Fedora have perhaps turned this on
but just because they haven't doesn't mean we should unless we can
validate that we indeed don't have a patent issue here.
The support for arithmetic is however contained in the code, it's just
not compiled in. If it's important to you, you can recompile the
package from source added at configure time --with-arith-enc && --with-
arith-dec or edit debian/rules (approx line 35)
override_dh_auto_configure:
dh_auto_configure -v -- --with-jpeg8 CFLAGS="$(CFLAGS)"
change to:
dh_auto_configure -v -- --with-jpeg8 --with-arith-enc --with-arith-dec
CFLAGS="$(CFLAGS)"
and then rebuild the package.
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https://bugs.launchpad.net/bugs/733092
Title:
libjpeg compiled without arithmetic coding support
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