gnu: Add ghc-prim-uniq.

* gnu/packages/haskell-xyz.scm (ghc-prim-uniq): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-dependent-map.

* gnu/packages/haskell-xyz.scm (ghc-dependent-map): New variable.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-dependent-sum.

* gnu/packages/haskell-xyz.scm (ghc-dependent-sum): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-commutative-semigroup.

* gnu/packages/haskell-xyz.scm (ghc-commutative-semigroup): New
variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-exception-transformers.

* gnu/packages/haskell-xyz.scm (ghc-exception-transformers): New
variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-sdl2-gfx.

* gnu/packages/haskell-xyz.scm (ghc-sdl2-gfx): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-sdl2-ttf.

* gnu/packages/haskell-xyz.scm (ghc-sdl2-ttf): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-these-lens.

* gnu/packages/haskell-xyz.scm (ghc-these-lens): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-generic-lens.

* gnu/packages/haskell-xyz.scm (ghc-generic-lens): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-generic-lens-core.

* gnu/packages/haskell-xyz.scm (ghc-generic-lens-core): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-indexed-profunctors.

* gnu/packages/haskell-xyz.scm (ghc-indexed-profunctors): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-constraints-extras.

* gnu/packages/haskell-xyz.scm (ghc-constraints-extras): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-hscolour.

* gnu/packages/haskell-xyz.scm (ghc-hscolour): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add ghc-proctest.

* gnu/packages/haskell-check.scm (ghc-proctest): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

avahi: Poll less.

* guix/avahi.scm (avahi-publish-service-thread): Have #:timeout default
to #f when 'stop-loop?' is NEVER, or 500ms.
(avahi-browse-service-thread): #:timeout defaults to 500ms when
'stop-loop?' is provided.

gnu: Add ghc-xmobar

* gnu/packages/wm.scm (ghc-xmobar): New variable.
(xmobar)[inputs]: Remove everything except libxpm.  Add ghc-xmobar.
[arguments]: Disable tests as they are run in ghc-xmobar.  Configure only
the xmobar executable.  Remove unnecessary phases.
[native-inputs]: Remove everything.

gnu: Add python-tslearn.

* gnu/packages/machine-learning.scm (python-tslearn): New variable.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>.

gnu: python-statsmodels: Update to 0.14.0.

* gnu/packages/statistics.scm (python-statsmodels): Update to 0.14.0.
[source]: Simplify snippet.
[build-system]: Use pyproject-build-system.
[arguments]: Remove trailing #T from build phase.
[propagated-inputs]: Add python-packaging; remove python-matplotlib.
[native-inputs]: Add python-colorama, python-flake8, python-isort,
python-joblib, python-matplotlib, python-pytest, python-pytest-randomly,
python-pytest-xdist, and python-setuptools-scm; remove python-nose and
python-sphinx.

gnu: mu: Update to 1.10.4.

* gnu/packages/mail.scm (mu): Update to 1.10.4.
[arguments]: Remove old 'fix-build-system phase.

gnu: corefreq: Update to 1.96.5.

* gnu/packages/linux.scm (corefreq): Update to 1.96.5.