Use $nprocs for busybox and 9base

pkgs/9base

@@ -6,12 +6,12 @@ build: crossmusl
 	make clean
 	for t in lib9 yacc; do
 		cd $t
-		make CC=$CC
+		make -j$nprocs CC=$CC
 		cd ..
 	done
 	for t in $targets; do
 		cd $t
-		make CC=$CC
+		make -j$nprocs CC=$CC
 		cp $t $root/bin/
 		cd ..
 	done

pkgs/busybox

@@ -4,7 +4,7 @@ url="http://www.busybox.net/downloads/busybox-$v.tar.bz2"
 build: crossmusl
 	cd src/busybox-$v
 	cp $top/stuff/busybox.config .config
-	make CC=$CC busybox
+	make -j$nprocs CC=$CC busybox
 	cp busybox "${root}/bin"
 	cd "${root}/bin"
 	ln -sf busybox addgroup