On May 19, 2010, at 03:32, Takeshi Enomoto wrote:
> I recently updated hdf4. During the update process I found that hdf4
> is incompatible with jpeg 7 and higher.
> I decided to compile libjpeg.a in pre-configure and keep it and
> headers in ${prefix}/lib/hdf4.
> MacPorts seems to adopt the philosophy ``the newer the better''.
> Sometimes the new one might have a bug or incompatible changes.
Hopefully, more often, it's the old version that has the bugs, that the new
version corrects, but anything's possible.
We have the existing habit of creating ports with version numbers in the name,
if older versions are still required by some ports. For example, since hdf4
requires jpeg 6, we could create a new port jpeg6 (svn copy'd from the last
version of the jpeg that had version 6) to provide that version of the library
and headers.
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