qemu: use new vopt helpers

srcpkgs/qemu/template

@@ -15,17 +15,13 @@ makedepends="libpng-devel>=1.6 libjpeg-turbo-devel pixman-devel
  libuuid-devel libX11-devel alsa-lib-devel gnutls-devel>=3.1.5 SDL2-devel
  libsasl-devel libglib-devel ncurses-devel libseccomp-devel>=2.1.0 nss-devel
  libcurl-devel xfsprogs-devel libcap-ng-devel libcap-devel vde2-devel
- libbluetooth-devel libssh2-devel libusb-devel pulseaudio-devel"
+ libbluetooth-devel libssh2-devel libusb-devel pulseaudio-devel $(vopt_if gtk gtk+-devel)"
 depends="libusb>=1.0.15"
 conf_files="/etc/qemu/target-x86_64.conf"
 
 build_options="gtk"
 desc_option_gtk="Enable GTK display and use it by default"
 
-if [ "$build_option_gtk" ]; then
-    makedepends+=" gtk+-devel"
-fi
-
 do_configure() {
 	local args=
 
@@ -37,17 +33,11 @@ do_configure() {
 		export LIBTOOL=libtool
 	fi
 
-    if [ "$build_option_gtk" ]; then
-        args+=" --enable-gtk"
-    else
-        args+=" --disable-gtk"
-    fi
-
 	./configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/libexec \
 		--enable-kvm --audio-drv-list=alsa,sdl,pa --disable-xen --enable-tpm \
 		--enable-vhost-net --enable-vnc-png --enable-vnc-tls --enable-virtfs \
 		--enable-libusb --disable-glusterfs \
-		--enable-pie --localstatedir=/var --with-sdlabi=2.0 ${args}
+		--enable-pie --localstatedir=/var --with-sdlabi=2.0 $(vopt_enable gtk) ${args}
 }
 do_build() {
 	if [ "$CROSS_BUILD" ]; then