Upgrade problem from libgphoto2 2.3.1_1 to 2.4.4_0 and trivial solution

[Bryan Blackburn]

On Mon, Mar 30, 2009 at 11:01:09PM -0700, David Shao said:
> On an Intel Macbook with Mac OS X 10.5.6, using
> # port -R upgrade outdated
> and having libgphoto2 2.3.1_1 produced an error
> 
> ptp2/library.c: In function 'camera_init':
> ptp2/library.c:4813: error: 'GPPortSettingsUSB' has no member named
> 'maxpacketsize'
> 
> I believe I have tracked this down to the file ptp2/library.c using an
> include with angle
> brackets around the header
> gphoto2/gphoto2-port.h
> not quotation marks so that the current system headers in
> /opt/local/include
> were used instead of the revised headers, the revised headers having changed
> struct _GPPortSettingsUSB to add the member maxpacketsize, the older headers
> not having this member.  I suppose that is consistent with the version
> number for
> libgphoto2 changing from 2.3 to 2.4.
> 
> The simple solution of course is to uninstall libgphoto2 and then
> install the new version.

Some software has this kind of issue; as you've seen the simple workaround
is to just uninstall the old before installing the new; for this case,
however, it should be fixed in r48890.

Bryan