wayland: use --with-host-scanner instead of modifying Makefile.in

more robust to use upstream supported options than modifying the build
system.

srcpkgs/wayland/template

@@ -4,7 +4,7 @@ version=1.15.0
 revision=4
 build_style=gnu-configure
 configure_args="--disable-documentation --disable-static"
-hostmakedepends="automake flex libtool pkg-config"
+hostmakedepends="flex pkg-config"
 makedepends="expat-devel libffi-devel libfl-devel libxml2-devel"
 short_desc="Wayland protocol compositor"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
@@ -13,20 +13,13 @@ homepage="https://wayland.freedesktop.org/"
 distfiles="https://wayland.freedesktop.org/releases/wayland-${version}.tar.xz"
 checksum=eb3fbebb8559d56a80ad3753ec3db800f587329067962dbf65e14488b4b7aeb0
 
-pre_configure() {
-	autoreconf -fi
-}
-
 post_install() {
 	vlicense COPYING
 }
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" wayland-devel"
-	post_configure() {
-		# Use host wayland-scanner
-		sed -e '/$(AM_V_GEN)/s,$(wayland_scanner),wayland-scanner,g' -i Makefile.in
-	}
+	configure_args+=" --with-host-scanner"
 fi
 
 wayland-devel_package() {