Use mkdir -p instead of mkdirhier to avoid build-dep on xutils-dev
--- a/src/makefile
+++ b/src/makefile
@@ -64,9 +64,9 @@
 	@echo Test complete.
 
 install:	targets
-	-mkdirhier $(INSTALL_PLUGINS_DIR)
-	-mkdirhier $(INSTALL_INCLUDE_DIR)
-	-mkdirhier $(INSTALL_BINARY_DIR)
+	-mkdir -p $(INSTALL_PLUGINS_DIR)
+	-mkdir -p $(INSTALL_INCLUDE_DIR)
+	-mkdir -p $(INSTALL_BINARY_DIR)
 	cp ../plugins/* $(INSTALL_PLUGINS_DIR)
 	cp ladspa.h $(INSTALL_INCLUDE_DIR)
 	cp ../bin/* $(INSTALL_BINARY_DIR)