(cherry picked from commit 26ce265)

Didn't build, invalid url for vlc-qt5.11.patch.

Signed-off-by: Austin Seipp <aseipp@pobox.com>
(cherry picked from commit af48e57)

(cherry picked from commit bb51ba9)

(cherry picked from commit 6e5682a)
Backport #47369

(cherry picked from commit bf22712)
Backport of #47367

(cherry picked from commit 458bcc8)

There's no reason other than misleading branch names to prefer one over
another.

The per-version `default.nix`es just fill in default arguments. It is
much more useful to have the `.override` from the inner `callPackage`,
for finer control. Converting the outer `callPackage` to a plain import
makes the inner one the only one, revealing its `.override`.

…ckage

ghcjs-{7.10, 8.0}: Improve overriding situation for 18.09

(cherry picked from commit 5c45ca0)
Backport of #47456

Thanks to @dezgeg for prototype implementation, I've
cleaned it up and added documentation.

(cherry picked from commit d6e3db4)
Signed-off-by: Domen Kožar <domen@dev.si>

3.5.7 doesn't build with kernel 4.14.71.
Needs most recent upstream revision to build, which supports
kernels up to 4.17.

(cherry picked from commit f0e4b31)

Broken by libupnp: 1.6.21 -> 1.8.3 (#41684).

(cherry picked from commit eeac44c)

Likewise logind we should not try to restart this service after upgrade,
the user's current session depends on it.

(cherry picked from commit aa69bb5)

This is more meaningful than the GHCJS version for most tasks.

ghcjs-*: Expose the version of GHC used

The socket activation I added to the rspamd module doesn't actually work
and can't be made to work without changes to rspamd.

See: #47421
See: rspamd/rspamd#2035
(cherry picked from commit 783a58f)

    Undefined symbols for architecture x86_64:
      "_MPCreateSemaphore", referenced from:
          FX::FXSemaphore::FXSemaphore(int) in FXThread.o
          FX::FXSemaphore::FXSemaphore(int) in FXThread.o
      "_MPDeleteSemaphore", referenced from:
          FX::FXSemaphore::~FXSemaphore() in FXThread.o
          FX::FXSemaphore::~FXSemaphore() in FXThread.o
      "_MPSignalSemaphore", referenced from:
          FX::FXSemaphore::post() in FXThread.o
      "_MPWaitOnSemaphore", referenced from:
          FX::FXSemaphore::wait() in FXThread.o
          FX::FXSemaphore::trywait() in FXThread.o
    ld: symbol(s) not found for architecture x86_64

/cc ZHF #45961

(cherry picked from commit 6390b8b)

Doesn't build on darwin and probably other platforms.

    GsWidget.H:26:3: error: 'Atom' does not name a type; did you mean 'tm'?
       Atom atoms[5];
       ^~~~
       tm
    GsWidget.cxx: In member function 'void GsWidget::setProps()':
    GsWidget.cxx:47:2: error: 'atoms' was not declared in this scope
      atoms[0] = XInternAtom(fl_display,"GHOSTVIEW" , false);
      ^~~~~

/cc ZHF #45961

(cherry picked from commit cd78d0c)

Similar to some other builds, sdl-config gets stuck and times out.

    checking for sdl-config... /nix/store/q2hm1ka0qxs2gv5bmrxj7j80lygk4b5z-SDL-1.2.15-dev/bin/sdl-config
    building of '/nix/store/m2d7v0n5hd2498vfxp18i37p7r1lf76p-freedroidrpg-0.16.1' timed out after 7200 seconds of silence

/cc ZHF #45961

(cherry picked from commit 9b99819)

(cherry picked from commit e502c72)

(cherry picked from commit fa46ce3)
Backport of #47501

(cherry picked from commit a054f26)
Backport of #47491

(cherry picked from commit d9f7d27)

(cherry picked from commit 37a828e)