gnu: Add open-adventure.

* gnu/packages/games.scm (open-adventure): New variable.

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

gnu: qt: Update to 5.9.0.

* gnu/packages/qt.scm (qtbase, qtsvg, qtimageformats, qtx11extras,
qtxmlpatterns, qtdeclarative, qtconnectivity, qtwebsockets, qtsensors,
qtmultimedia, qtwayland, qtserialport, qtserialbus, qtwebchannel,
qtlocation, qttools, qtscript, qtquickcontrols, qtquickcontrols2,
qtgraphicaleffects, qtgamepad, qtscxml, qtpurchasing, qtcanvas3d,
qtcharts, qtdatavis3d, qtwebkit): Update to 5.9.0.
(qtbase)[source]: Remove bundled freetype, libpng, libjpeg, pcre2, xcb,
xkbcommon, zlib.
[inputs]: Remove pcre, add pcre2.
[arguments]: Add configure flag to use system pcre, update flag to not
compile examples.
(qtwayland)[source]: Remove examples in a snippet.
(qtlocation)[inputs]: add icu4c, openssl, zlib.

gnu: font-comic-neue: Prevent hidden files from being installed.

* gnu/packages/fonts.scm (font-comic-neue)[arguments]: Add
'delete-macosx-files' phase.

gnu: font-cns11643: Use 'font-build-system'.

* gnu/packages/fonts.scm (font-cns16643): Switch to 'font-build-system'.
[outputs]: Combine all outputs into one.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: font-cns11643: Update to 98.1.20170524.

* gnu/packages/fonts.scm (font-cns11643): Update to 98.1.20170524.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: mariadb: Update to 10.1.24.

Release notes: https://mariadb.com/kb/en/mariadb/mariadb-10124-release-notes/

* gnu/packages/databases.scm (mariadb): Update to 10.1.24.

gnu: maim: Update to 5.4.63.

* gnu/packages/xdisorg.scm (maim): Update to 5.4.63.

gnu: slop: Update to 6.3.40.

* gnu/packages/xdisorg.scm (slop): Update to 6.3.40.

gnu: notmuch: Update to 0.24.2.

* gnu/packages/mail.scm (notmuch): Update to 0.24.2.

gnu: font-comic-neue: Add fontconfig alias.

* gnu/packages/fonts.scm (font-comic-neue): Add fontconfig alias for "Comic
Sans MS".
[arguments]: Add new 'install-conf' phase.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: font-comic-neue: Use 'font-build-system'.

* gnu/packages/fonts.scm (font-comic-neue): Switch to 'font-build-system'.
Re-indent.
[source]: Use url-fetch/zipbomb.
[native-inputs]: Remove dependency on unzip.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: font-cns11643-swjz: Use 'font-build-system'.

* gnu/packages/fonts.scm (font-cns11643-swjz): Switch to 'font-build-system'.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: par2cmdline: Update to 0.7.1.

* gnu/packages/backup.scm (par2cmdline): Update to 0.7.1.
[arguments]: Parallel tests work now; reenable them.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: font-liberation: Use 'font-build-system'.

* gnu/packages/fonts.scm (font-liberation): Switch to 'font-build-system'.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: font-dejavu: Fix the switch to 'font-build-system'.

This is a follow-up to commit 2e8840194121be6042502f363f143a4faeceb00e.

* gnu/packages/fonts.scm (font-dejavu): Remove 'trivial-build-system' line.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: font-awesome: Use 'font-build-system'.

* gnu/packages/fonts.scm (font-awesome): Switch to 'font-build-system'.
[source]: The package was updated in place, so hash has changed.

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: sicp: Add the HTML version.

* gnu/packages/scheme.scm (sicp)[arguments]: Copy the HTML directory to the
output.

gnu: emacs-let-alist: Use 'emacs-build-system'.

* gnu/packages/emacs.scm (let-alist): Use 'emacs-build-system'.
[arguments, native-inputs]: Remove.

gnu: emacs-paredit: Use 'emacs-build-system'.

* gnu/packages/emacs.scm (paredit): Use 'emacs-build-system'.
[arguments, native-inputs]: Remove.

gnu: git-modes: Use 'emacs-build-system'.

* gnu/packages/emacs.scm (git-modes): Use 'emacs-build-system'.
[arguments, native-inputs]: Remove.