mpv: switch to waf build system (the old configure script is deprecated)

Install example config files.

srcpkgs/mpv/template

@@ -1,30 +1,36 @@
 # Template file for 'mpv'
 pkgname=mpv
 version=0.4.2
-revision=2
+revision=3
 short_desc="Video player based on MPlayer/mplayer2"
 maintainer="Juan RP <xtraeme@gmail.com>"
 license="GPL-2"
 homepage="http://mpv.io"
-
-build_style=configure
-hostmakedepends="which pkg-config python-docutils git"
-makedepends="ffmpeg-devel>=2.1 libass-devel lcms2-devel libXinerama-devel libquvi-devel
+build_style=waf
+hostmakedepends="pkg-config python python-docutils"
+makedepends="
+ ffmpeg-devel>=2.1 libass-devel lcms2-devel libXinerama-devel libquvi-devel
  mpg123-devel libXv-devel libxkbcommon-devel libva-devel libvdpau-devel alsa-lib-devel
  libbluray-devel libcdio-devel libdvdread-devel pulseaudio-devel MesaLib-devel
- harfbuzz-devel libXScrnSaver-devel jack-devel libdvdnav-devel wayland-devel
- desktop-file-utils hicolor-icon-theme"
+ harfbuzz-devel libXScrnSaver-devel jack-devel libdvdnav-devel wayland-devel"
 depends="desktop-file-utils hicolor-icon-theme"
 conf_files="/etc/mpv/encoding-profiles.conf"
+distfiles="https://github.com/mpv-player/${pkgname}/archive/v${version}.tar.gz"
+checksum=791e9d60508a6e8b5690fb945ed24ddc805d6150783690cffe567f7ae0146199
 
-do_fetch() {
-	git clone -b v${version} git://github.com/mpv-player/mpv.git mpv-${version}
-}
 pre_configure() {
-	sed -e 's,rst2man.py,rst2man,' -i old-configure
+	python bootstrap.py
+	sed -i 's,vendor-completions,site-functions,' wscript_build.py
+	sed -i 's,/usr/local/etc/mpv.conf,/etc/mpv/mpv.conf,' etc/example.conf
 }
+
 do_configure() {
-	./old-configure --prefix=/usr --confdir=/etc/mpv --enable-joystick \
-		--disable-libbs2b --disable-portaudio --disable-ossaudio \
-		--disable-sdl2
+	python waf configure --prefix=/usr --confdir=/etc/mpv --enable-zsh-comp \
+		--enable-joystick --enable-cdda --disable-libbs2b --disable-portaudio \
+		--disable-oss-audio --disable-sdl2
+}
+
+post_install() {
+	vsconf etc/input.conf
+	vsconf etc/example.conf
 }