2015.02.28 18:18 "Re: [Tiff] Mac 10.6.8 libtiff build broken?", by Bob Friesenhahn

Hi Y'all,

I apologize for being a complete jerk and reporting this a long long time after it happened, but I just went to upgrade our project's version of libtiff and it appears that OS X 10.6.8 support broke in libtiff 4.0.0 beta 7.

Until beta 7 there was a configure option

--with-apple-opengl-framework

that caused the flag HAVE_APPLE_OPENGL_FRAMEWORK to be set to 1 in tif_config.h. This option seems to have been removed.

There was no relevant change to configure.ac to intend for this to happen. It seems that what has happened is that the version of the AX_CHECK_GL macro provided has changed. This would have been based on whatever macro version was available for the system where 'aclocal -I ./m4' was executed on last (not me this time). It seems pretty likely that the macro used this time is much more modern than whatever is resident on my own machines. Support for older systems might have been dropped by its maintainers.

See http://www.gnu.org/software/autoconf-archive/ax_check_gl.html for a description of this macro.

The upshot is that you/we need to find a version of this macro which is most pleasing to all and make sure that it is used in the next libtiff release.

>From my own observations, there is a distinct opinion among Apple OS-X users (and users of almost all Apple products) that users are never more than one product release behind. This is evidenced by the Apple Store always being 100% full (and often with a waiting line outside) of customers who already have perfectly functional older Apple products. The maintainers of AX_CHECK_GL might only have fading memories of older OS-X releases.

Bob
--
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/