You probably don't have gegl in your PKG_CONFIG_PATH. Have you checked that?

What do you get when you do
set | grep PATH
?


On Sat, Nov 28, 2015 at 2:25 PM, C R <caj...@gmail.com> wrote:
> Thanks to the development team and everyone who has contributed to this
> monumental step! I use GIMP every day and have processed over one hundred
> thousand images with it already. So thanks so much for this tremendous
> gift, I can't wait to test the new features!
>
> One question, can someone put together a step-by-step for compiling it
> (including babl and gegl) under Ubuntu? I've been trying, but can't seem to
> get gegl installed correctly. It says it's not installed, when clearly it
> is (even the latest version from git).
>
> Thanks for any help.
>
> -C
>
> On Thu, Nov 26, 2015 at 7:46 PM, Boudewijn Rempt <b...@valdyas.org> wrote:
>
>> Congratulations!
>>
>>
>> On Thu, 26 Nov 2015, Michael Natterer wrote:
>>
>> Hi,
>>>
>>> We originally wanted to get this done on GIMP's 20th
>>> birthday last week, but...
>>>
>>> Anyway, here is the first development release in the
>>> GIMP 2.9.x series leading to GIMP 2.10.
>>>
>>> This is an unstable development preview and might crash
>>> or do whatever. If you try it for work, please save your
>>> images more often.
>>>
>>> GIMP 2.9's major new feature is GEGL (www.gegl.org), a graph
>>> based image processing framework. The entire old pixel
>>> manipulation core of GIMP has been removed and replaced
>>> by GEGL. Most internal processing is now done at floating
>>> point precision, and images can be kept around at 16-bit
>>> and 32-bit integer and floating point precisions. Many
>>> plug-ins have already been replaced by GEGL operations
>>> and can be previewed live on the canvas.
>>>
>>> For a complete list of changes since 2.8.0 please see the
>>> "Changes" section below. We will also post more detailed
>>> news about GIMP 2.9 on www.gimp.org soon, stay tuned.
>>>
>>> Happy GIMPing,
>>> --Mitch
>>>
>>>
>>> Download
>>> ========
>>>
>>>   GIMP 2.9.2 is available from:
>>>
>>>   http://download.gimp.org/pub/gimp/v2.9/
>>>
>>>   and from the mirrors listed at:
>>>
>>>   http://www.gimp.org/downloads/#mirrors
>>>
>>>   Please use the torrent, it distributes
>>>   the download bandwidth across all mirrors:
>>>
>>>   http://download.gimp.org/pub/gimp/v2.9/gimp-2.9.2.tar.bz2.torrent
>>>
>>>   The checksum of the tarball is:
>>>
>>>   aa8a846a497e3328c5b7d2fd33f5cf63  gimp-2.9.2.tar.bz2
>>>
>>>
>>>
>>> Overview of Changes from GIMP 2.8.0 to GIMP 2.9.2
>>> =================================================
>>>
>>> Core:
>>>
>>>   The core got completely ported to GEGL, listing all changes involved
>>>   would be too much, therefore we summarize the changes in app/ per
>>>   source subdirectory:
>>>
>>>   base
>>>   composite
>>>   paint-funcs:
>>>   - Remove these directories, they contained the old pixel
>>>     manipulation functions
>>>
>>>   config:
>>>   - Remove GimpBaseConfig, add GimpGeglConfig
>>>   - Add config options for new features
>>>
>>>   core:
>>>   - Add some things that used to live in base/, like the temp-buf,
>>>     boundary and histogram code
>>>   - Port all functions to GEGL and higher bit depths
>>>   - Keep the image around as GEGL graph, all other compositing is gone
>>>   - Add non-destructive drawable filters, but use them only for
>>>     previews
>>>   - Implement the floating selection as drawable filter
>>>   - Implement GimpImageMap using drawable filters
>>>   - Move batch processing to gimp-batch.[ch]
>>>   - Run batch commands in an already running GIMP instance
>>>   - Ported almost everything from filenames/FILE/fd to GFile/GIO
>>>   - Be smarter about migrating old user config files
>>>   - Move many object struct members to private structs
>>>
>>>   file:
>>>   - Support GIO-ported file load/save procs, handle remote files
>>>     generically
>>>
>>>   - Add content locking to items to prevent them from being edited
>>>   - Add position locking to items to prevent them from being translated
>>>   - Implement all color management in the core
>>>   - Add an automatic palette of recently used colors
>>>   - Implement metadata handling in the core
>>>
>>>   gegl:
>>>   - Now contains utility functions and abstractions to work with
>>>     GEGL more easily
>>>   - Move all operations to the new operations/ directory
>>>
>>>   operations:
>>>   - New directory containing all GIMP-internal GEGL operations
>>>     and their config objects (if any)
>>>   - Add a correct version of the overlay layer mode
>>>   - Add LCH layer modes
>>>
>>>   paint:
>>>   - Port all paint cores to Gegl
>>>   - Add MyPaint brush paint core
>>>
>>>   pdb:
>>>   - Add compat procedures that work like the removed plug-ins
>>>   - Use the new GimpValueArray, GValueArray got deprecated
>>>
>>>   plug-in:
>>>   - Allow plug-ins to access image data at full bit depth
>>>   - Add a compat mode so unported plug-ins always get 8-bit data
>>>
>>>   text:
>>>   - Port text rendering to GEGL
>>>   - Use HarfBuzz to inspect fonts for creating an example string
>>>
>>>   xcf:
>>>   - Add zlib compression to XCF loading/saving
>>>
>>>
>>> GUI:
>>>
>>>   - Add GUI to handle the new high bit depths and conversion between
>>>     them
>>>   - Add new action group "filters" which can run arbitrary GEGL ops
>>>   - Add lots of actions invoking GEGL ops that replace removed plug-ins
>>>   - Preview all GEGL ops live on the canvas, using drawable filters
>>>   - Mostly switch from using stock-ids to icon-names
>>>   - Turn all stock icons into named icons and add an icon theme
>>>   - Allow selecting colors from an image's colormap
>>>   - Add "Show in file manager" to everything that has a filename
>>>   - Add an action search dialog to find actions by keyword and execute
>>>     them
>>>   - Split the save dialog into subclasses for load, save and export
>>>   - Implement various color management dialogs that were in the lcms
>>>     plug-in
>>>   - Make sure windows appear on the correct monitor
>>>   - Simplify and reduce the actions that modify paint tool behavior
>>>   - Add canvas rotation and flipping
>>>   - Allow zooming to the selection
>>>   - Make the image tab position configurable in single window mode
>>>   - Add separate snapping settings for fullscreen mode
>>>   - Remove bitmaps cursors and only support RGBA cursors
>>>   - Color manage drawable and image thumbnails
>>>   - Add more format string options for the image title
>>>   - Use the external gtkosxapplication package instead of included code
>>>   - Add a generic GimpPopup class and use it instead of duplicating
>>>     code
>>>   - Make the generated GUI of GEGL ops much better
>>>   - Allow to implement custom GUI for gegl ops, and do that in some
>>>     cases
>>>   - Add GimpDial, GimpPolar and GimpCircle to be used for angle and
>>> hue
>>>     picking
>>>
>>>
>>> Tools:
>>>
>>>   - Add an "experimental playground" for unfinished tools
>>>   - (experimental) Add a tool that paints with MyPaint brushes
>>>   - (experimental) Add an n-point deformation tool
>>>   - (experimental) Add a transform tool with a variable # of handles
>>>   - (experimental) Add a seamless clone tool
>>>   - Add a unified transform tool that allows rotating, scaling,
>>> perspective
>>>   - Add a warp tool as replacement for the IWarp plug-in
>>>   - Allow tool dialogs to be embedded on the canvas genrically
>>>   - Add much more options to painting, like the ability to lock
>>>     tool options to brush defaults, and to zoom the brush with the
>>> canvas
>>>   - Make the blend tool work interactively in realtime
>>>   - Add undo/redo to many tools (using the normal shortcuts)
>>>
>>>
>>> Libgimp:
>>>
>>>   - Deprecate the entire old pixel manipulation API
>>>   - Add API to get a drawable's buffer, the rest can be done with GEGL
>>>   - Add high bit depth support when using the new buffer API
>>>   - Make many enum value names sane and deprecate the old names
>>>   - Many core enums moved here instead of proxying them via PDB
>>> generation
>>>   - Add API to stroke vector outlines, with all core properties
>>>   - Add more context API that affects other procedures
>>>   - Deprecate API with weird names, and add new API with less arguments
>>>   - Add metadata and color management API, utility functions and
>>> widgets
>>>   - Split GimpPickButton into per-platform backends and fix it on OS X
>>>
>>>
>>> Plug-ins:
>>>
>>>   - Remove lots of plug-ins that are now implemented as GEGL ops
>>>   - Remove the lcms plug-in, this is now done in the core/libgimp
>>>   - Remove the metadata plug-ins, this is now done in the core/libgimp
>>>   - Remove the file-uri plug-in, this is now done in the core using GIO
>>>   - Port many file plug-ins to GIO
>>>   - Port many plug-ins that are not strictly filters to GEGL
>>>
>>>
>>> Source and build system:
>>>
>>>   - Don't use INCLUDES in Makefile.am, use AM_CPPFLAGS instead
>>>
>>>
>>> General:
>>>
>>>   - Lots and lots of bug fixes
>>>   - Translation updates
>>>
>>>
>>> Contributors
>>> ============
>>>
>>>   A Kelday, Adrian Likins, Alexander Larsson, Alexandre Prokoudine,
>>>   Alexia Death, Andrew Worsley, Barak Itkin, Björn Kautler, Chris
>>>   Wilson, Christian Lehmann, Clayton Walker, Daniel Sabo, David
>>>   Gowers, Dov Grobgeld, E.S. Quinn, Ed J, Elle Stone, Hartmut Kuhse,
>>>   Ionutz Borcoman, Jan Lieskovsky, Jehan, Jernej Simončič, Joao
>>>   S. O. Bueno, Johannes Matschke, John Ralls, Jonathan Tait, Jordi
>>>   Mas, João S. O. Bueno, Julien Nabet, Kevin Cozens, Kristian
>>>   Rietveld, Kővágó, Zoltán, Liam Quin, Loren Merritt, Louis Benazet,
>>>   Ludovic Rousseau, Marco Ciampa, Marek Dvoroznak, Mark Schmitz,
>>>   Martijn van Beers, Martin Husemann, Martin Nordholts, Massimo
>>>   Valentini, Matt Giuca, Matthias Wenzel, Michael Henning, Michael
>>>   Muré, Michael Natterer, Michael Schumacher, Mikael Magnusson, Mike
>>>   Gran, Miroslav Talasek, Mukund Sivaraman, Murray Cumming, Nicolas
>>>   Robidoux, Nils Philippsen, Pedro Gimeno Fortea, Petr Kubiznak,
>>>   Philippe Teuwen, Piotr Drąg, Przemysław Gołąb, Richard Allen,
>>>   Richard Hughes, Rickard, Roman Lebedev, Saul Goode, Sebastian
>>>   Pipping, Sebastian Rasmussen, ShadowKyogre, Shlomi Fish,
>>>   SimaMoto,RyōTa, Simon Budig, Simon Lui, Simone Karin Lehmann,
>>>   Srihari, Sven Claussner, Sven Neumann, Thomas Manni, Tobias
>>>   Ellinghaus, Téo Mazars, Ville Pätsi, Ville Skyttä, Ville Sokk,
>>>   Warren Turkal, darkraid1, saul, su-v, Øyvind Kolås
>>>
>>>
>>> Translators
>>> ===========
>>>
>>>   Albert F, Alexandre Prokoudine, Anders Jonsson, Andika Triwidada,
>>>   André Schutten, Anish A, Aurimas Černius, Balázs Úr, Baurzhan
>>>   Muftakhidinov, Chris Leonard, Christian Kirbach, Cédric Valmary,
>>>   Daniel Mustieles, Daniel Sabo, Daniel Winzen, Dimitris Spingos,
>>>   Duarte Loreto, Dušan Kazik, Enrico Nicoletto, Eulalia, Fran Diéguez,
>>>   Francisco Vila, Gabor Kelemen, Gil Forcada, Hartmut Kuhse, Hleb
>>>   Valoshka, Inaki Larranaga Murgoitio, Jehan, Jihui Choi, Jiri
>>>   Grönroos, Jiro Matsuzawa, Joao S. O. Bueno, Johannes Matschke, Jordi
>>>   Mallach, Jordi Mas, João S. O. Bueno, Kevin Cozens, Khaled Hosny,
>>>   Khoem Sokhem, Kiyotaka NISHIBORI, Kjartan Maraas, Kolbjørn Stuestøl,
>>>   Konfrare Albert, Marco Ciampa, Marek Dvoroznak, Marek Černocký,
>>>   Martin Srebotnjak, Massimo Valentini, Mattias Põldaru, Michael
>>>   Bauer, Michael Henning, Michael Muré, Michael Natterer, Muhammet
>>>   Kara, Necdet Yücel, Nils Philippsen, Pavol Klačanský, Pedro
>>>   Albuquerque, Peter Mráz, Piotr Drąg, Praveen Illa, Rafael Ferreira,
>>>   Rodolfo Ribeiro Gomes, Rūdolfs Mazurs, Samir Ribic, Sebul, Seong-ho
>>>   Cho, SimaMoto,RyōTa, Simone Karin Lehmann, Stanislav Petrek, Sveinn
>>>   í Felli, Sven Claussner, Thomas Manni, Tiago S, Tiagosdot, Timo
>>>   Jyrinki, Timur Zhamakeev, Téo Mazars, Ville Skyttä, Ville-Pekka
>>>   Vainio, Wouter Bolsterlee, Yaron Shahrabani, Yuri Myasoedov,
>>>   akerbeltz, kolbjoern, sebul, Øyvind Kolås, Андрій Бандура, Милош
>>>   Поповић
>>>
>>> _______________________________________________
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>>> List address:    gimp-developer-list@gnome.org
>>> List membership:
>>> https://mail.gnome.org/mailman/listinfo/gimp-developer-list
>>> List archives:   https://mail.gnome.org/archives/gimp-developer-list
>>>
>>
>> --
>> Boudewijn Rempt | http://www.krita.org, http://www.valdyas.org
>>
>> _______________________________________________
>> gimp-developer-list mailing list
>> List address:    gimp-developer-list@gnome.org
>> List membership:
>> https://mail.gnome.org/mailman/listinfo/gimp-developer-list
>> List archives:   https://mail.gnome.org/archives/gimp-developer-list
>>
> _______________________________________________
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