community/portablexdr: update config guess (build fix aarch64)

community/portablexdr/APKBUILD

@@ -17,24 +17,16 @@ source="http://people.redhat.com/~rjones/portablexdr/files/portablexdr-$pkgver.t
 	quad-types.patch
 "
 
-_builddir="$srcdir"/portablexdr-$pkgver
-prepare() {
-	local i
-	cd "$_builddir"
-	for i in $source; do
-		case $i in
-		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
-		esac
-	done
+builddir="$srcdir"/portablexdr-$pkgver
 
-	# rename byteswap.h so it does not gets pulled in by uclibc headers
-	mv byteswap.h _byteswap.h
-	sed -i -e 's/byteswap\.h/_byteswap.h/g' \
-		Makefile.in *.c
+prepare() {
+	cd "$builddir"
+	default_prepare || return 1
+	update_config_guess || return 1
 }
 
 build() {
-	cd "$_builddir"
+	cd "$builddir"
 	./configure --prefix=/usr \
 		--sysconfdir=/etc \
 		--mandir=/usr/share/man \
@@ -46,7 +38,7 @@ build() {
 }
 
 package() {
-	cd "$_builddir"
+	cd "$builddir"
 	make DESTDIR="$pkgdir" install || return 1
 	ln -s portable-rpcgen "$pkgdir"/usr/bin/rpcgen
 }