--- runtime/Makefile.unix.orig	2024-10-13 21:00:18 UTC
+++ runtime/Makefile.unix
@@ -26,10 +26,10 @@ install:
 #	$(RANLIB) $@
 
 install:
-	cp camlidlruntime.h $(OCAMLLIB)/caml/camlidlruntime.h
-	cp libcamlidl.a $(OCAMLLIB)/libcamlidl.a
-	cp dllcamlidl.so $(OCAMLLIB)/stublibs/dllcamlidl.so
-	cd $(OCAMLLIB); $(RANLIB) libcamlidl.a
+	$(BSD_INSTALL_DATA) camlidlruntime.h $(DESTDIR)$(OCAMLLIB)/caml/camlidlruntime.h
+	$(BSD_INSTALL_DATA) libcamlidl.a $(DESTDIR)$(OCAMLLIB)/libcamlidl.a
+	$(BSD_INSTALL_LIB) dllcamlidl.so $(DESTDIR)$(OCAMLLIB)/stublibs/dllcamlidl.so
+	cd $(DESTDIR)$(OCAMLLIB); $(RANLIB) libcamlidl.a
 
 clean:
 	rm -f *.a *.o *.so