Ichthyostega
25eb6a61e3
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108 lines
4.7 KiB
Text
108 lines
4.7 KiB
Text
Build Dependencies
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==================
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:Author: core-devs
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:Date: 2/2020
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:toc:
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_Lumiera is written for GNU/Linux._ +
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We try to get the best out of modern system programming
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techniques to reach a solid performance and good throughput.
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Lumiera shall scale with the provided Hardware,
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the more RAM and the more/faster CPU's you have the better.
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Nevertheless lower end 32bit machines are supported too.
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Secondary targets will be other free operating systems which offer a decent Posix API.
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Porting to other more or less similar platforms will be possible, if -- by coincidence --
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Someone(TM) helps with porting.
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Having said that -- for the time being, the core team won't spend much effort on porting.
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Platform
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--------
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We develop and test on standard PC hardware, 32 and 64 bit.
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It is intended to target other platforms running GNU/Linux eventually.
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Lumiera expects a `standard' desktop installation running a XServer.
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Graphics::
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There are no special requirements for the graphic system.
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Hardware acceleration will likely be added later through extensions,
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but will remain strictly optional.footnote:[For the time being, we'll watch
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the evolution in that area and might revisit that topic when there are more
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compelling and widely supported solutions available]
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Disks::
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No special requirements. Video editing requires decent disk speed though,
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so it is suggested to use a fast/big array of disks configured as raid.
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Special Hardware::
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Support for special hardware would be possible, but depends on certain conditions
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+
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* we need access / donations for the hardware
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* Specs and APIs must be open.
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* someone to do the actual interfacing and support needs to join the team
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Compatibility
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~~~~~~~~~~~~~
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We try to keep our depdendencies close to Debian/stable and the most recent Ubuntu LTS.
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Whenever we need more recent libraries or other dependencies not available for our reference platform,
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we care to provide custom Debian / Ubuntu packages as reference. This does not mean Lumiera is
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limited to Devian flavours, it should work on any current Linux distribution.
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Languages and Tools
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-------------------
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* C / C++
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- a C99 / C++17 compatible compiler footnote:[in practice, we build using GCC and
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occasionally we check using Clang]
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- GCC *7* or Clang *6* should be fine footnote:[basically we try to use just the stock language.
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On rare occasions in the past, we _did_ use some GCC extensions, like `typeof()`, but we care for
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workarounds, in case this becomes a problem. Incidentally, `typeof()` is obsoleted by the new
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C++ standard, which provides `decltype()` for this purpose.].
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* BOOST (listed below are the Debian package names)
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- libboost-dev (at least *1.67*)
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- libboost-program-options-dev
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- libboost-program-options-dev
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* Script languages
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- Python (*2.x*) might still be handy for build scripts.footnote:[SCons supports both Python 2.x
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and Python 3.x transparently. Basically there is no reason to stick to Python 2.x -- just the standard
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python is not yet switched on Debian/stable, and so we might miss out on some scripts.]
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- bash (some test scripts use bash specific extensions)
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Build Tools
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~~~~~~~~~~~
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* Git
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* SCons *2.0* footnote:[we build with SCons >= 3.0 since a long time. However, since the times of 2.0,
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there are no major breaking improvements we rely on -- so chances are that the Build works fine with
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older versions. In addition, we use some SCons plug-ins, which are all shipped in-tree (`admin/scons`)]
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* pkg-config
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* Doxygen
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We maintain a link:/documentation/technical/infra/debianDepot.html[Debian/Ubuntu package] (relying on debhelper, CDBS, git-buildpackage)
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Libraries
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~~~~~~~~~
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* BOOST
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* link:http://nobug.pipapo.org/[NoBug]
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* https://github.com/bplaum/gavl[GAVL] (for raw media support)
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* ALSA: libasound2-dev
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* for the GUI: (*GTK-3*) gtkmm-3.0 gdlmm-3.0 glibmm-2.4 cairomm-1.0 xv
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- libgtkmm-3.0-dev
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- libcairomm-1.0-dev
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- libglibmm-2.4-dev, requiring at least glib2.0 (2.40 or better) and gthread-2.0
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- libxv-dev footnote:[for the XV viewer widget `gui/output/xvdisplayer.cpp`
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-- currently obsolete as of [yellow-background]#5/2015#][yellow-background]#TODO 5/2015# and X-lib
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- librsvg-2.0 and librsvg2-dev for rendering Icons
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- libgdl-3 (3.12 or better) through libgdlmm-3 -- the »Gnome Docking Library«footnote:[GDL isn't directly related to GNOME any more.
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We contributed to the improvement of this library in the past. These improvements went upstream
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with GDL-2.27. At times, we used to ship our own GDL package. Right now, a recent upstream version
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together with the corresponding *mm-bindings will do. We provide a debian package for the latter,
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until they will be available in the official Debian/Ubuntu/Mint repos. But we don't have any
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special requirements on these `gdlmm` bindings.]
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