Try:

sudo apt install cmake


On 2020-08-11 20:21, J. Verreault wrote:
Building directory:  /run/media/moi/Backups/Software/darktable/darktable-release-3.2.1/build
Installation prefix: /opt/darktable
Build type:          RelWithDebInfo
Build generator:     Unix Makefiles
Build tasks:         12


./build.sh: line 305: cmake: command not found
[moi@LTop darktable-release-3.2.1]$

On Tue, 11 Aug 2020 at 13:57, Martin Anstett <mar...@familie-anstett.de <mailto:mar...@familie-anstett.de>> wrote:

    --> https://www.darktable.org/install/#3rdparty

    On 8/11/20 6:54 PM, GianLuca Sarto wrote:
     > My Ubuntu 20.04 still shows DT 3.0.1.
     >
     > How can I update?
     >
     > Thanks,
     >
     > -Gian
     >
     > On 10/08/20 09:38, Pascal Obry wrote:
     >> We're proud to announce the new feature release of darktable, 3.2.1!
     >>
     >> Note that 3.2.0 has been skipped due to last minute bug fixes.
     >>
     >> The github release is here:
     >>
    
[https://github.com/darktable-org/darktable/releases/tag/release-3.2.1](https://github.com/darktable-org/darktable/releases/tag/release-3.2.1)
    
<https://github.com/darktable-org/darktable/releases/tag/release-3.2.1%5D(https://github.com/darktable-org/darktable/releases/tag/release-3.2.1)>.
     >>
     >> As always, please don't use the autogenerated tarball provided by
     >> github, but only our tar.xz. the checksums are:
     >>
     >> ```
     >> $ sha256sum darktable-3.2.1.tar.xz
     >> 6e3683ea88dc0a0271be7eca4fd594b9e46b1b7194847825a8d0a0c12bdeb90c
     >> darktable-3.2.1.tar.xz
     >> $ sha256sum darktable-3.2.1.dmg
     >> 292b8327fdc2bd6346994d52f904e0d89078100c91eec2a7c6982f71f8dd24ca
     >> darktable-3.2.1.dmg
     >> $ sha256sum darktable-3.2.1.exe
     >> 7d21442aa31a627428cf9e56c85ecb4e985b544ea950d98b54ed0a6f123ad6d3
     >> darktable-3.2.1.exe
     >> ```
     >>
     >> When updating from the current stable 3.0.x series, please bear in
     >> mind that your edits will be preserved during the upgrade, but
    the new
     >> library and configuration files are not backward compatible; they're
     >> not usable with 3.0.x, so
     >> making a backup is strongly advised.
     >>
     >> #### Important note: to make sure that darktable can keep supporting
     >> the raw file format from your camera, *please* read [this post](
     >> https://discuss.pixls.us/t/raw-samples-wanted/5420?u=lebedevri) on
     >> how/what raw samples you can contribute to ensure that we have the
     >> *full* raw sample set for your camera under CC0 license!
     >>
     >> - Almost 2700 commits to darktable+rawspeed since 3.0
     >> - 790 pull requests handled
     >> - 92 issues closed
     >> - Updated user manual is coming soon™
     >>
     >> ## The Big Ones
     >>
     >> - The *lighttable* view has been rewritten and the filmstrip
    reworked,
     >> resulting in large performance gains, especially when using the
     >> zoomable lighttable view. The culling view has also been
    rewritten from
     >> scratch. Operations are smooth at any screen resolution up to 8k.
     >>
     >>    Many types of overlay are now possible on lighttable thumbs.
     >>    Different overlay information can be selected depending on
    the thumb
     >>    size on the lighttable. The different sizes can be set in the
     >>    preferences, so we can have no overlay at all for small
    thumbs and
     >>    full overlay when large thumbs are displayed. This is fully
     >>    configurable.
     >>
     >>    Likewise, the tooltip information when hovering the thumbs can be
     >>    activated/deactivated based on the thumbs size.
     >>
     >> - The lighttable modules have improved user interaction: buttons are
     >>    highlighted only when the context makes the action possible.
     >>
     >> - A complete overhaul of the CSS has been done. This gives
     >>    darktable a professional look. This continues
     >>    the goal to make every single aspect of the UI themable using
    CSS.
     >>
     >> - The Color Picker and
     >>    Location modules are updated to better fit into the new UI, and
     >>    most of the icons have been altered so as to be more
     >>    visually balanced.
     >>
     >> - The preference dialog has been fully reviewed and reorganized to
     >>    propose a better look and require less
     >>    scrolling. It is also possible to add some CSS rules directly
    into
     >>    the preference dialog to tweak darktable's look as well as
     >>    to directly control the font size and DPI values from the general
     >>    preference tab.
     >>
     >>    A search field has been added to the shortcuts tab to help
    you find
     >>    the keyboard shortcut you want to customize.
     >>
     >> - The new negadoctor module has been added to help inverting
    negative
     >>    films.
     >>
     >> - A new histogram display called RGB Parade has been added. At the
     >>    same time the histogram module height can now be adjusted with
     >>    <kbd>Ctrl+Scroll</kbd>.
     >>
     >> - The metadata feature has been made generic internally and has new
     >>    features. The user can now select the information they want
    to see
     >>    in the metadata editor. This selection is automatically
    mirrored in
     >>    the collection and image information modules.
     >>
     >>    Along with a new "notes" field, all the fields are multiline
     >>    <kbd>Ctrl+Enter</kbd>, sizable <kbd>Ctrl+Scroll</kbd> and can
    be set
     >>    as private (not exported). Metadata collection filters have
    an entry
     >>    "not defined". At import time it is possible to choose not to
    import
     >>    some metadata.
     >>
     >> - Image change detection has been made more reliable. This
    affects the
     >>    lighttable thumbnails change symbol and history collection
    filter,
     >>    which is now more accurate. In darkroom navigation, this
    avoids the
     >>    need to recalculate an image and save the xmp file when there is
     >>    no change.
     >>
     >> - A new down-sampling preference has been introduced for faster
     >>    response in darkroom. The preview is either computed at full
     >>    resolution (original, default value) or at 1/2, 1/3 or 1/4 of the
     >>    original size. This allow for better performance but can slightly
     >>    hinder the precision of the guided filter masking.
     >>
     >>    Note that this is a very delicate feature to implement. A lot of
     >>    care has been taken to ensure all is correct when using down
     >>    sampling. It touches all areas of darktable, like masks, guided
     >>    filter, liquify controls, crop & rotate, lens and perspective
     >>    corrections...
     >>
     >> - Clarify the three possible workflows. Previous version had a
     >>    preference to choose whether to auto-apply the base curve module.
     >>    Many questions were raised about the intention. The new
    preference
     >>    introduces three workflows:
     >>
     >>    display-referred : use base-curve module
     >>
     >>    scene-referred   : use filmic and exposure modules (new default)
     >>
     >>    none             : use neither base-curve nor filmic
     >>
     >> - Filmic RGB is updated to v4 (new color science) with integrated
     >>    highlight recovery.
     >>
     >> ## New Features And Changes
     >>
     >> - Add support for curved gradients. This can be helpful when
    putting a
     >>    gradient mask on an image with a horizon line that is curved
    due to
     >>    lens distortion. This can also be for artistic goals.
     >>
     >> - Add support for AVIF file format
     >>    (requires [libavif](https://github.com/AOMediaCodec/libavif)
     >= 0.7)
     >>
     >> - Collect module has two new filters: module and module order.
     >>
     >>    The former makes it possible to filter pictures based on the
     >>    activated modules in the history. The latter can be used to
    filter
     >>    based on the pipe version (legacy up to 2.6 releases or v3.0
     >>    starting with 3.0 release).
     >>
     >> - Tag in the Collect module keeps track of the selected images
    order.
     >>
     >>    When a tag is at the first level of the Collect module, any
    change
     >>    on the images order is kept along with the selected tag.
     >>    This allows to the user to associate a specific order with every
     >>    image (tag) collection.
     >>
     >> - A full rewrite of the pipe ordering has been done. It is now
     >>    possible to change the order of the pipe using a new module
    giving
     >>    access to the legacy order (order used up to 2.6 releases)
    and the
     >>    v3.0 order. It is also
     >>    possible to create module order presets which can be freely
    applied.
     >>
     >>    Note that the copy/paste of multi-instances when they have been
     >>    reordered in a way that some other modules are separating
    them will
     >>    not keep the same order. This was buggy in previous
    implementation
     >>    when the target image had also been reordered in a non-compatible
     >>    manner or using a different pipe order. In this new versions
    all the
     >>    multi-instances will be grouped together keeping their relative
     >>    order.
     >>
     >>    Note that this work has mainly been done to make the
    implementation
     >>    simpler, safer and that will require less maintenance. Also
    as this
     >>    implementation records the full pipe order for history and
    styles it
     >>    will be the ground for proposing different strategies when
    applying
     >>    styles.
     >>
     >> - The retouch module has a new keyboard shortcut "show or hide
    shapes"
     >>    which can be mapped to a key to quickly show or hide shapes.
    This is
     >>    in addition to the right-click on the image which does the same
     >>    action.
     >>
     >> - The spot removal module keyboard shortcut to show-hide shapes has
     >>    been renamed to "show or hide shapes" for clarity and to be
     >>    consistent with the new keyboard shortcut in the retouch module.
     >>
     >> - It is possible to change the color of all overlays (shapes,
    guides,
     >>    etc), in the darkroom. This may come handy on some images
    where the
     >>    gray guides were barely visible. The possible colors are now:
    Grey,
     >>    Red, Green, Yellow, Cyan, Magenta. The colors can be cycled
    through
     >>    using <kbd>Ctrl+O</kbd>.
     >>
     >> - In the crop & rotate module, the pan movements can be restricted
     >>    vertically or horizontally using the <kbd>Shift</kbd> or
     >>    <kbd>Control</kbd> respectively.
     >>
     >> - The crop & rotate module now allows format ratios to be entered as
     >>    a float number.
     >>
     >> - When using a snapshot view, a flag has been added to clearly
    show the
     >>    position of the snapshot.
     >>
     >> - Improve the falloff and radius of the vignette to 200% for better
     >>    control.
     >>
     >> - Add a user-defined mode in the white-balance module to keep
    the last
     >>    modification of the module. It is then possible to go back to the
     >>    last modified setting after selecting another mode (spot for
     >>    example).
     >>
     >> - Dynamic keyboard shortcuts have been added for combo-boxes
    making it
     >>    possible to select next and previous values directly from the
     >>    keyboard.
     >>
     >> - It is now possible to adjust the color picker areas just after
     >>    having created them. This is achieved by dragging one of the four
     >>    little square handles at the corner.
     >>
     >> - Tagging improvements: Entry tag(s) creation works now without an
     >>    image selected.  It allows the user to create a tag on a virtual
     >>    node, to insert a pipe <kbd>|</kbd> character in create tag
    (menu).
     >>    The tree display shows the newly created tags.
     >>
     >> - New variables $(LENS), $(EXIF_EXPOSURE_BIAS), $(VERSION_NAME) and
     >>    $(VERSION_IF_MULTI) have been defined. $(CATEGORYn(category))
    works
     >>    now when multiple values on the same image (for example
    people) and
     >>    accepts 9 levels instead of 3 (for n).
     >>
     >> - Four new timestamps are now supported to store the import, last
     >>    export, last change and last print times. Those timestamps
    are also
     >>    made available in the collection module and so can be used to
    better
     >>    control of created collections.
     >>
     >> - Multiple image drag & drop works now on map view.
     >>
     >> - Add new preferences for keyboard shortcuts to control how
     >>    multi-instances are handled (use first or last instance,
    prefer the
     >>    visible, active or expanded instance). This also fixes some
    faults
     >>    caused when duplicating or deleting modules, and when selecting
     >>    earlier edits in the history stack.
     >>
     >> - Introspection support has been added into darktable. At this time
     >>    this does not bring new features for end-users but it has
    provided a
     >>    basis for significant simplification of the code. This will
    provide
     >>    easier integration of new modules and will ensure better
     >>    interactivity consistency between modules.
     >>
     >> - Add optional grey-scale export of TIFF for monochrome images.
     >>
     >> - Add some tooltip information for tone equalizer.
     >>
     >> - Some actions, like cropping, have been made more responsive by
     >>    triggering a fast-pipe mode where the quality of the image is
    less
     >>    important while dragging the controls.
     >>
     >> - Better support for HiDPI icons theme on Windows.
     >>
     >> - Add keyboard shortcut for enabling/disabling tooltips
     >>    <kbd>Shift+T</kbd>.
     >>
     >> - Better history stack module order (more logical) for
    newly-imported
     >>    images.
     >>
     >> - Add confirmation when deleting/updating presets.
     >>
     >> - It is possible to handle (deleting, applying or exporting)
    multiple
     >>    styles in the style module.
     >>
     >> - Applying a style now supports overwrite mode (it previously could
     >>    only append to the existing history stack). This makes the style
     >>    module consistent with the copy/paste of history.
     >>
     >> - Rework the sliders to make then look better (smaller and
    controls a
     >>    bit more visible).
     >>
     >> - Implement undo/redo for orientation changes from the lighttable.
     >>
     >> - Exported pictures size should be more conservative and stable when
     >>    flip or orientation is changed.
     >>
     >> - Using <kbd>Ctrl+Click</kbd> in the blending module drawn
    masks, it is
     >>    possible to allow continuous creation of masks.
     >>
     >>    Continuous mask creation was previously the default in the
    retouch
     >>    and spot removal modules. For consistency this has been
    changed and
     >>    so now one need to use <kbd>Ctrl+Click</kbd> in these modules
    as well
     >>    for continuous mask creation.
     >>
     >> - Rejecting an image still keeps the last number of stars. So
     >>    un-rejecting it will recover the previous star rating.
     >>
     >> - Improve messages when a database lock is detected to give better
     >>    guidance about the possible solutions, checks to be done for
     >>    recovering from this situation.
     >>
     >> - Rework local laplacian implementation for a 2x speed-up.
     >>
     >> - Optimize the denoise profile module (bilateral filter) for better
     >>    performance.
     >>
     >> - Many parts of the histogram code have been reworked for better
     >>    performance.
     >>
     >> - A new universal toast message framework has been put in place.
    This
     >>    is used to display information about changes performed with
    dynamic
     >>    keyboard shortcuts when the module is collapsed.
     >>    It gives visual information about the change being made
     >>    (like exposure change or new opacity value, etc.).
     >>
     >> - The spot removal module has been enhanced to be more
    consistent with
     >>    the functionality of the retouch module. A new button has
    been added
     >>    to show/hide shapes. It also now supports continuous shape
    creation.
     >>
     >> - Add a new keyboard shortcut to toggle last snapshot on/off.
     >>
     >> - Add a new keyboard shortcut to show/hide lib modules.
     >>
     >> - Add a new keyboard shortcut to show/hide drawn masks for the
     >>    currently active module
     >>
     >> - Allow for more than 500 images in tethered control which is needed
     >>    for time-lapse.
     >>
     >> - It is now possible to export masks in TIFF format.
     >>
     >> - Duplicate modules now use the new metadata field "version name"
     >>    in place
     >>    of the title field to show a description of each image version
     >>
     >> - Fix support of legacy parameters in the basic adjustment module.
     >>
     >> - Add integrated database maintenance policy.
     >>
     >> ## Bug fixes
     >>
     >> - Better performance when using masks.
     >>
     >> - Fix some displayed images issues.
     >>
     >> - Fix to allow the shift modifier to be used in dynamic keyboard
     >>    shortcuts.
     >>
     >> - Fix exporting private tags issue with different settings along the
     >>    path.
     >>
     >> - Fix possible freeze on liquify module.
     >>
     >> - Fix long text display when no space is available to show all the
     >>    text by using an ellipsis.
     >>    This allows the side panels to be reduced in size without
    adversely
     >>    affecting the UI.
     >>
     >> - Fix some crop & rotate issues.
     >>
     >> - Smoother transition for gradient shapes.
     >>
     >> - Fix the snapshot rotation which could go 180° in a single click.
     >>
     >> - Add missing icon for the tone-mapping module.
     >>
     >> - Fix color-zone module min & max indicator in edit by area mode.
     >>
     >> - Enhance performance of blending and retouch, tone equalizer,
     >>    color-picker modules when masks are set on/off and/or
    removing some
     >>    unnecessary reprocessing.
     >>
     >> - Various minor fixes to the shape selection buttons in the retouch
     >>    module
     >>
     >> - Fix displayed curve in denoise profile Y0U0V0 mode.
     >>
     >> - Film rolls can be ordered by folder name or id (so in
    chronological
     >>    order).
     >>
     >> - Fix gphoto camera detection procedure.
     >>
     >> - Fix the opacity issue (second attempt) which led to a mask
    having no
     >>    effect.
     >>
     >> - Fix a possible infinite loop in the slideshow module.
     >>
     >> - Fix a possible out-of-bound indexing in the chromatic aberration
     >>    module.
     >>
     >> - Fix issues when importing duplicates.
     >>
     >> - Fix possible race condition in tone equalizer module.
     >>
     >> ## Notes
     >>
     >> - A known issue when using two computers to edit images. If the
    three
     >>    following options activated:
     >>
     >>    - update database from selected xmp files
     >>    - write sidecar file for each image
     >>    - check xmp on start
     >>
     >>    then darktable will write the XMP for each images each time you
     >>    switch from one computer to another. This is due to an issue with
     >>    the way timestamps are implemented and is being fixed for 3.4.
     >>
     >>    You can follow the discussion here:
     >> https://github.com/darktable-org/darktable/pull/5869
     >>
     >>    A safe option if you are in this specific case is to wait to 3.4
     >>    release planned at the end of year.
     >>
     >> - The histogram has been deactivated on the print view because after
     >>    lot of work on the histogram code it was not possible to have it
     >>    ready for this view. The work on this part is almost ready now so
     >>    the print view will get back its histogram for the 3.4 release.
     >>
     >> - An integration test suite has been added. This will ensure better
     >>    quality and keeping old edits intact. This is an important
    tool for
     >>    developers to ensure a rework of a module for performance reason
     >>    for example does not change visually the image.
     >>
     >> ## Lua
     >>
     >> - API changed to 6.0.0
     >>
     >> - facebook, flickr, and picasa removed from
     >>    types.dt_imageio_storage_module_t.
     >>
     >> - piwigo added to type.dt_imageio_storage_module_t.
     >>
     >> - notes and version_name metadata fields added to
    types.dt_lua_image_t
     >>    data type.
     >>
     >> - Added 4 new properties to dt_collection_properties_t,
     >>    DT_COLLECTION_PROP_IMPORT_TIMESTAMP,
     >>    DT_COLLECTION_PROP_CHANGE_TIMESTAMP,
     >>    DT_COLLECTION_PROP_EXPORT_TIMESTAMP,
     >>    DT_COLLECTION_PROP_PRINT_TIMESTAMP
     >>
     >> - added darktable.gui.panel_get_size and
    darktable.gui.panel_set_size
     >>    functions to set the width of the  left or right panels and the
     >>    height of the bottom panel.
     >>
     >> - fixed is_password field of entry widget to work according to
    the API
     >>    manual, so now when it is set to true the field is hidden.
     >>
     >> - Added function darktable.gui.views.lighttable.is_image_visible to
     >>    check if an image is visible in lighttable view.
     >>
     >> - Added function darktable.gui.views.lighttable.set_image_visible to
     >>    force an image to be visible in lighttable view.
     >>
     >> - Added a lua scripts installer to the default luarc
     >>
     >> ## Changed Dependencies
     >>
     >>
     >> ## RawSpeed changes
     >>
     >> - New Panasonic 'V6' decompressor
     >> - Huffman table implementations rewrite/cleanup
     >> - Fuji compressed raw decompressor performance improvements
     >>    (-13% wall clock)
     >> - Canon CRW decoding performance improvements (-15% wall clock)
     >> - DNG LJpeg decompressor support for images with 2 components /
    pixel
     >> - DNG Deflate decompressor support for images with more than 1
     >>    component / pixel
     >> - Fuji compressed raw decompressor support for 16-bit raws
     >> - Continuation of ongoing collaboration with LLVM, highlights
    include
     >>    many little steps towards making it possible to auto-vectorize
     >>    GoPro's VC5 decompressor loops, Canon S-RAW interpolator
    loops; more
     >>    changes upcoming.
     >>
     >>
     >> ## Camera support, compared to 3.0.0
     >>
     >> ### Base Support
     >>
     >> - Fujifilm FinePix S1
     >> - Fujifilm GFX 100 (compressed)
     >> - Fujifilm X-Pro3 (compressed)
     >> - Fujifilm X-T200
     >> - Fujifilm X-T4 (compressed)
     >> - Fujifilm X100V (compressed)
     >> - Hasselblad H4D-50
     >> - Hasselblad X1D II 50C
     >> - Hasselblad X1DM2-50c
     >> - Nikon COOLPIX P950 (12bit-uncompressed)
     >> - Nikon D780 (12bit-compressed, 14bit-compressed)
     >> - Nikon Z 50 (12bit-compressed, 14bit-compressed)
     >> - Olympus E-M1MarkIII
     >> - Olympus E-PL10
     >> - Panasonic DC-FZ10002 (3:2)
     >> - Panasonic DC-GX880 (4:3)
     >> - Panasonic DC-S1 (3:2)
     >> - Panasonic DC-S1H (3:2)
     >> - Panasonic DC-S1R (3:2)
     >> - Panasonic DC-TZ91 (4:3)
     >> - Panasonic DC-TZ95 (4:3)
     >> - Panasonic DC-TZ96 (4:3)
     >> - Panasonic DC-ZS80 (4:3)
     >> - Panasonic DMC-FZ40 (1:1, 3:2, 16:9)
     >> - Panasonic DMC-FZ45 (1:1, 3:2, 16:9)
     >> - Sony ILCE-6100
     >> - Sony ILCE-9M2
     >>
     >> ### White Balance Presets
     >>
     >> - Canon EOS 77D
     >> - Canon EOS 9000D
     >> - Fujifilm X-E3
     >> - Fujifilm X-T30
     >> - Fujifilm X-T4
     >> - Nikon COOLPIX P1000
     >> - Olympus E-M1MarkIII
     >> - Olympus E-PL6
     >> - Olympus TG-5
     >> - Panasonic DC-GH5
     >> - Panasonic DC-TZ95
     >> - Panasonic DC-TZ96
     >> - Panasonic DC-ZS80
     >> - Samsung NX1
     >> - Sony ILCE-7RM4
     >>
     >> ### Noise Profiles
     >>
     >> - Canon EOS-1Ds
     >> - Fujifilm X-H1
     >> - Fujifilm X-T100
     >> - Fujifilm X-T30
     >> - Fujifilm X-T4
     >> - Nikon COOLPIX P1000
     >> - Nikon Z 50
     >> - Olympus E-510
     >> - Olympus E-M1MarkIII
     >> - Olympus E-M5 Mark III
     >> - Olympus TG-6
     >> - Panasonic DC-GF9
     >> - Panasonic DC-GX800
     >> - Panasonic DC-GX850
     >> - Panasonic DC-GH5
     >> - Panasonic DC-TZ95
     >> - Panasonic DC-TZ96
     >> - Panasonic DC-ZS80
     >> - Sony DSC-RX100M6
     >> - Sony DSC-RX100M7
     >> - Sony ILCE-6600
     >> - Sony ILCE-7RM4
     >> - Sony ILCE-9
     >> - Sony ILCE-9M2
     >>
     >>
     >> ## Translations
     >>
     >> - German
     >> - European Spanish
     >> - French
     >> - Hebrew
     >> - Italian
     >> - Polish
     >> - Brazilian Portuguese
     >> - Russian
     >> - Slovenian
     >>
     >
     >
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