Re: [Gimp-developer] GIMP build: XDG_DATA_DIRS causing "Unrecognized image file format"

On 9/3/19 11:59 AM, Akkana Peck wrote:
> Does setting
> XDG_DATA_DIRS="$XDG_DATA_DIRS:$PREFIX/share:/usr/local/share/:/usr/share/"
> actually work for you, and you don't see the "Unrecognized image
> file format" problem any more?

Well, it did work exactly as I posted. FWIW, just now I tried rebuilding 
GIMP-2.99 from scratch, starting from an empty install folder, but with 
the line 
'XDG_DATA_DIRS="$XDG_DATA_DIRS:$PREFIX/share:/usr/local/share/:/usr/share/"' 
commented out. But the build failed at GEGL (terminal output is below). 
Whether this failure to build with the XDG line commented out is 
coincidence or not, I just don't know, haven't yet taken the time to 
figure it out.

What I do know is that building babl/GEGL/GIMP is getting increasingly 
complicated. It would be nice if the developers who are writing all this 
new code for GIMP-2.99 could provide up-to-date guidelines for building 
all this new code :) but I guess "how to build" varies a lot from one 
system (and day) to the next.

I do vaguely remember the issue you mentioned with not finding the image 
file formats. That was on Debian, but not the current version of Debian 
Sid. There was another issue? The same issue? - sorry, I don't remember 
- that I encountered recently on Debian Sid, where the advice from 
Hacking GIMP was contrary to what actually worked, though the Hacking 
GIMP advice had worked previously.


In case anyone has an idea what went wrong, here's the terminal output 
for the failed GEGL build:

elle@debian:~/code-build/gimp299/build/gegl/build$ ninja install
[214/750] Generating Gegl-0.4.gir with a custom command.
FAILED: gegl/Gegl-0.4.gir
/usr/bin/g-ir-scanner -pthread -I/usr/include/gobject-introspection-1.0 
-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include 
--no-libtool --namespace=Gegl --nsversion=0.4 --warn-all --output 
gegl/Gegl-0.4.gir --c-include=gegl.h 
-I/media/data1/code-build/gimp299/build/gegl/gegl 
-I/media/data1/code-build/gimp299/build/gegl/build/gegl -I./. -I../. 
-I./gegl/. -I../gegl/. -I./gegl/buffer -I../gegl/buffer -I./gegl/graph 
-I../gegl/graph -I./gegl/module -I../gegl/module -I./gegl/opencl 
-I../gegl/opencl -I./gegl/operation -I../gegl/operation -I./gegl/process 
-I../gegl/process -I./gegl/property-types -I../gegl/property-types 
--filelist=/media/data1/code-build/gimp299/build/gegl/build/gegl/2cd4258@@gegl-0.4@sha/Gegl_0.4_gir_filelist 
--include=GLib-2.0 --include=GObject-2.0 --include=Babl-0.1 
--symbol-prefix=gegl --identifier-prefix=Gegl --cflags-begin 
-DHAVE_CONFIG_H -Winit-self -Wmissing-declarations -Wmissing-prototypes 
-Wold-style-definition -Wpointer-arith -Wno-deprecated-declarations 
-mfpmath=sse -mmmx -msse -msse2 -msse4.1 -I./. -I../. -I./gegl/. 
-I../gegl/. -I./gegl/buffer -I../gegl/buffer -I./gegl/graph 
-I../gegl/graph -I./gegl/module -I../gegl/module -I./gegl/opencl 
-I../gegl/opencl -I./gegl/operation -I../gegl/operation -I./gegl/process 
-I../gegl/process -I./gegl/property-types -I../gegl/property-types 
-I/home/elle/code-install/gimp299/install/include/babl-0.1 
-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include 
-I/usr/include/libmount -I/usr/include/blkid -I/usr/include/gio-unix-2.0 
--cflags-end --library gegl-0.4 
-L/media/data1/code-build/gimp299/build/gegl/build/gegl 
-L/home/elle/code-install/gimp299/install/lib/x86_64-linux-gnu 
-L/home/elle/code-install/gimp299/install/lib/x86_64-linux-gnu 
--extra-library=babl-0.1 --extra-library=glib-2.0 
--extra-library=gio-2.0 --extra-library=gobject-2.0 --extra-library=m 
--extra-library=gmodule-2.0
Couldn't find include 'Babl-0.1.gir' (search path: '['gir-1.0', 
'/usr/share/gir-1.0', '/usr/share/gir-1.0', '/usr/share/gir-1.0']')
[223/750] Generating module_common_gpl3.c with a meson_exe.py custom 
command.
ninja: build stopped: subcommand failed.
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