Having spent the last 45 minutes reinstalling Lua and and then darktable
through Gentoo portage, here's which version of Lua Gentoo says I'm using:
equery list lua
[IP-] [ ] dev-lang/lua-5.2.3-r1:5.2
$ eselect lua list
[1] 5.2 *
The little * means that's the selected version of Lua that all installed
software that uses lua should use. However, darktable still has Lua
disabled:
$ darktable --version
this is darktable 2.0.3
copyright (c) 2009-2015 johannes hanika
darktable-dev@xxxxxxxxxxxxxxxxxxx
compile options:
normal build
OpenMP support enabled
OpenCL support disabled
Lua support disabled
Colord support disabled
gPhoto2 support enabled
GraphicsMagick support enabled
On 04/26/2016 07:20 AM, Tobias Ellinghaus wrote:
darktable requires Lua 5.2. If that isn't available in Gentoo you can
just pass
-DDONT_USE_INTERNAL_LUA=Off
to cmake when compiling darktable. We bundle it for those
distributions that
lack it as Lua is changing a lot between minor versions.
I don't know how to modify Gentoo builds, and really don't want to learn
how. It would be easier for me to download and install darktable from
source, which I'll try next.
In the future we will most likely make this a hard requirement in
darktable to avoid surprises like this.
This might be a good thing to do ASAP as it's not a good thing to get
the embedded jpeg when really one is trying to open a raw file.
If the darktable plug-in isn't working, it might be better if GIMP
issued a warning that it's not possible to open the raw file using the
darktable plug-in. Giving the user an 8-bit jpeg when really they wanted
to open a raw file might give users the wrong idea that GIMP only
supports opening 8-bit jpegs produced from raw files.
Here's the terminal output I get when attempting to open a raw file
using the darktable plug-in. Nothing in the terminal output would tell
the user that the problem is that darktable isn't really opening the raw
file:
$ ../../rungimpdefault
This is a development version of GIMP. Debug messages may appear here.
gimp_display_shell_profile_update
gimp_display_shell_profile_update
magic match 4 on file-tiff-load
best magic match on file-tiff-load
TIFF image: Unknown field with tag 513 (0x201) encountered
TIFF image: Unknown field with tag 514 (0x202) encountered
TIFF image: TIFF directory is missing required "ImageLength" field
TIFF image: Unknown field with tag 50649 (0xc5d9) encountered
TIFF image: Photometric tag value assumed incorrect, assuming data is
YCbCr instead of RGB
TIFF image: Unknown field with tag 50648 (0xc5d8) encountered
TIFF image: Unknown field with tag 50656 (0xc5e0) encountered
TIFF image: Unknown field with tag 50752 (0xc640) encountered
TIFF image: TIFF directory is missing required "ImageLength" field
TIFF image: Photometric tag is missing, assuming data is YCbCr
TIFF image: SamplesPerPixel tag is missing, applying correct
SamplesPerPixel value of 3
TIFF image: Subsampling tag is not set, yet subsampling inside JPEG data
[2,1] does not match default values [2,2]; assuming subsampling inside
JPEG data is correct
bps: 8
photomet: 6 (3)
load_rgba
TIFF image: Depreciated and troublesome old-style JPEG compression mode,
please convert to new-style JPEG compression and notify vendor of
writing software
Invalid UTF-8 in metadata value Iptc.Application2.Copyright, encoding as
base64: Q29weXJpZ2h0IKkgMjAwNyBFbGxlIFN0b25lLCBhbGwgcmlnaHRzIHJlc2VydmVkLgA=
gimp_display_shell_profile_update
src_profile: GIMP built-in sRGB
src_format: R'G'B'A u8
dest_format: R'G'B'A u8
gimp_display_shell_profile_update
src_profile: GIMP built-in sRGB
src_format: R'G'B'A u8
dest_format: R'G'B'A u8
Best,
Elle
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