xmobar: update to 0.42

Also enable most flags during compilation in order to be less surprising
with regards to what features xmobar supports out of the box.

srcpkgs/xmobar/files/stack.yaml

@@ -1,4 +1,4 @@
-resolver: lts-18.13
+resolver: lts-19.0
 packages:
 - .
 extra-deps:

srcpkgs/xmobar/template

@@ -1,7 +1,7 @@
 # Template file for 'xmobar'
 pkgname=xmobar
-version=0.39
-revision=2
+version=0.42
+revision=1
 build_style=haskell-stack
 hostmakedepends="pkg-config"
 makedepends="libX11-devel libXinerama-devel libXrandr-devel libXScrnSaver-devel
@@ -15,10 +15,10 @@ maintainer="xaltsc <xaltsc@protonmail.ch>"
 license="BSD-3-Clause"
 homepage="https://xmobar.org"
 distfiles="https://hackage.haskell.org/package/${pkgname}-${version}/${pkgname}-${version}.tar.gz"
-checksum=46f37b90dd3ba3348dbe7de716b88606c7f0f0dd22a3580176b5cd089c1b36cc
+checksum=53f4a06d79c3db32ef1a498ec7b764b17d03ebf9bca3126c6b8259595492769b
 build_options="dbus threaded utf8 xft mpd mpris inotify iwlib alsa datezone
  xpm uvmeter weather nl80211"
-build_options_default="threaded utf8 xft inotify nl80211 datezone weather xpm"
+build_options_default="threaded utf8 xft inotify nl80211 datezone weather xpm alsa mpris mpd dbus"
 nopie_files="/usr/bin/xmobar"
 nocross=yes
 vopt_hflag() {