diff -ur gpac.orig/Makefile gpac/Makefile
--- gpac.orig/Makefile	2006-08-01 11:35:35.000000000 -0400
+++ gpac/Makefile	2006-08-01 11:39:19.000000000 -0400
@@ -53,13 +53,13 @@
 	( tar zcvf ~/$(FILE).tar.gz ../gpac --exclude CVS --exclude bin --exclude lib --exclude Obj --exclude temp --exclude amr_nb --exclude amr_nb_ft --exclude amr_wb_ft --exclude *.mak --exclude *.o --exclude *.~*)
 
 install:
-	install -d "$(prefix)/bin"
-	install $(INSTFLAGS) -m 755 bin/gcc/MP4Box "$(prefix)/bin"
+	install -d "$(DESTDIR)$(prefix)/bin"
+	install $(INSTFLAGS) -m 755 bin/gcc/MP4Box "$(DESTDIR)$(prefix)/bin"
 	$(MAKE) -C applications install
-	install -d "$(moddir)"
-	install bin/gcc/*.$(DYN_LIB_SUFFIX) "$(moddir)"
-	rm -f $(moddir)/libgpac.$(DYN_LIB_SUFFIX)
-	rm -f $(moddir)/nposmozilla.$(DYN_LIB_SUFFIX)
+	install -d "$(DESTDIR)$(moddir)"
+	install bin/gcc/*.$(DYN_LIB_SUFFIX) "$(DESTDIR)$(moddir)"
+	rm -f $(DESTDIR)$(moddir)/libgpac.$(DYN_LIB_SUFFIX)
+	rm -f $(DESTDIR)$(moddir)/nposmozilla.$(DYN_LIB_SUFFIX)
 ifeq ($(CONFIG_WIN32),yes)
 	install $(INSTFLAGS) -m 755 bin/gcc/libgpac.dll $(prefix)/lib
 else
@@ -70,15 +70,15 @@
 	install -m 755 bin/gcc/libgpac.$(DYN_LIB_SUFFIX) $(prefix)/lib/libgpac-$(VERSION).$(DYN_LIB_SUFFIX)
 	ln -sf libgpac-$(VERSION).$(DYN_LIB_SUFFIX) $(prefix)/lib/libgpac.$(DYN_LIB_SUFFIX)
 else
-	install $(INSTFLAGS) -m 755 bin/gcc/libgpac.$(DYN_LIB_SUFFIX) $(prefix)/lib/libgpac-$(VERSION).$(DYN_LIB_SUFFIX)
-	ln -sf libgpac-$(VERSION).$(DYN_LIB_SUFFIX) $(prefix)/lib/libgpac.$(DYN_LIB_SUFFIX)
+	install $(INSTFLAGS) -m 755 bin/gcc/libgpac.$(DYN_LIB_SUFFIX) $(DESTDIR)$(prefix)/lib/libgpac-$(VERSION).$(DYN_LIB_SUFFIX)
+	ln -sf libgpac-$(VERSION).$(DYN_LIB_SUFFIX) $(DESTDIR)$(prefix)/lib/libgpac.$(DYN_LIB_SUFFIX)
 	ldconfig || true
 endif
 endif
-	install -d "$(mandir)/man1"
-	install -m 644 doc/man/mp4box.1 $(mandir)/man1/
-	install -m 644 doc/man/mp4client.1 $(mandir)/man1/
-	install -m 644 doc/man/gpac.1 $(mandir)/man1/
+	install -d "$(DESTDIR)$(mandir)/man1"
+	install -m 644 doc/man/mp4box.1 $(DESTDIR)$(mandir)/man1/
+	install -m 644 doc/man/mp4client.1 $(DESTDIR)$(mandir)/man1/
+	install -m 644 doc/man/gpac.1 $(DESTDIR)$(mandir)/man1/
 
 uninstall:
 	$(MAKE) -C applications uninstall
@@ -91,14 +91,14 @@
 	rm -rf $(mandir)/man1/gpac.1
 
 install-lib:
-	mkdir -p "$(prefix)/include/gpac"
-	install -m 644 $(SRC_PATH)/include/gpac/*.h "$(prefix)/include/gpac"
-	mkdir -p "$(prefix)/include/gpac/internal" 
-	install -m 644 $(SRC_PATH)/include/gpac/internal/*.h "$(prefix)/include/gpac/internal"
-	mkdir -p "$(prefix)/include/gpac/modules" 
-	install -m 644 $(SRC_PATH)/include/gpac/modules/*.h "$(prefix)/include/gpac/modules"
-	mkdir -p "$(prefix)/lib"
-	install -m 644 "./bin/gcc/libgpac_static.a" "$(prefix)/lib"
+	mkdir -p "$(DESTDIR)$(prefix)/include/gpac"
+	install -m 644 $(SRC_PATH)/include/gpac/*.h "$(DESTDIR)$(prefix)/include/gpac"
+	mkdir -p "$(DESTDIR)$(prefix)/include/gpac/internal" 
+	install -m 644 $(SRC_PATH)/include/gpac/internal/*.h "$(DESTDIR)$(prefix)/include/gpac/internal"
+	mkdir -p "$(DESTDIR)$(prefix)/include/gpac/modules" 
+	install -m 644 $(SRC_PATH)/include/gpac/modules/*.h "$(DESTDIR)$(prefix)/include/gpac/modules"
+	mkdir -p "$(DESTDIR)$(prefix)/lib"
+	install -m 644 "./bin/gcc/libgpac_static.a" "$(DESTDIR)$(prefix)/lib"
 
 uninstall-lib:
 	rm -rf "$(prefix)/include/gpac/internal"
Only in gpac: Makefile.orig
diff -ur gpac.orig/applications/mp4client/Makefile gpac/applications/mp4client/Makefile
--- gpac.orig/applications/mp4client/Makefile	2006-08-01 11:35:35.000000000 -0400
+++ gpac/applications/mp4client/Makefile	2006-08-01 11:36:16.000000000 -0400
@@ -50,7 +50,7 @@
 
 install: clean
 	make -override BUILD_INSTALL=yes all
-	install -c -s -m 755 ../../bin/gcc/MP4Client "$(prefix)/bin"
+	install -c -s -m 755 ../../bin/gcc/MP4Client "$(DESTDIR)$(prefix)/bin"
 
 uninstall:
 	rm -rf $(prefix)/bin/MP4Client
Only in gpac/applications/mp4client: Makefile.orig
diff -ur gpac.orig/applications/osmo4_wx/Makefile gpac/applications/osmo4_wx/Makefile
--- gpac.orig/applications/osmo4_wx/Makefile	2006-08-01 11:35:35.000000000 -0400
+++ gpac/applications/osmo4_wx/Makefile	2006-08-01 11:36:16.000000000 -0400
@@ -65,7 +65,7 @@
 else
 	rm -f wxOsmo4.o
 	make -override BUILD_INSTALL=yes all
-	install -c -s -m 755 ../../bin/gcc/Osmo4 "$(prefix)/bin"
+	install -c -s -m 755 ../../bin/gcc/Osmo4 "$(DESTDIR)$(prefix)/bin"
 endif
 
 uninstall:
Only in gpac/applications/osmo4_wx: Makefile.orig