diff -durN ladspa_sdk.orig/src/makefile ladspa_sdk/src/makefile
--- ladspa_sdk.orig/src/makefile	Wed Nov 22 23:34:58 2000
+++ ladspa_sdk/src/makefile	Sun Nov 11 02:52:51 2001
@@ -5,9 +5,10 @@
 # Change these if you want to install somewhere else. In particularly
 # you may wish to remove the middle "local/" part of each entry.
 
-INSTALL_PLUGINS_DIR	=	/usr/local/lib/ladspa/
-INSTALL_INCLUDE_DIR	=	/usr/include/
-INSTALL_BINARY_DIR	=	/usr/local/bin/
+#PREFIX			=	/usr
+INSTALL_PLUGINS_DIR	=	$(PREFIX)/lib/ladspa/
+INSTALL_INCLUDE_DIR	=	$(PREFIX)/include/
+INSTALL_BINARY_DIR	=	$(PREFIX)/bin/
 
 ###############################################################################
 #
@@ -59,12 +60,12 @@
 	play /tmp/test.wav
 
 install:	targets
-	-mkdirhier	$(INSTALL_PLUGINS_DIR)				\
-			$(INSTALL_INCLUDE_DIR)				\
-			$(INSTALL_BINARY_DIR)
-	cp ../plugins/* $(INSTALL_PLUGINS_DIR)
-	cp ladspa.h $(INSTALL_INCLUDE_DIR)
-	cp ../bin/* $(INSTALL_BINARY_DIR)
+	-mkdirhier	$(DESTDIR)$(INSTALL_PLUGINS_DIR)				\
+			$(DESTDIR)$(INSTALL_INCLUDE_DIR)				\
+			$(DESTDIR)$(INSTALL_BINARY_DIR)
+	cp ../plugins/* $(DESTDIR)$(INSTALL_PLUGINS_DIR)
+	cp ladspa.h $(DESTDIR)$(INSTALL_INCLUDE_DIR)
+	cp ../bin/* $(DESTDIR)$(INSTALL_BINARY_DIR)
 
 /tmp/test.wav:	targets ../snd/noise.wav
 	../bin/listplugins