--- src/launch/Makefile.orig	1995-02-22 10:33:26.000000000 +0100
+++ src/launch/Makefile	2011-11-12 10:26:48.000000000 +0100
@@ -11,22 +11,15 @@
 # have write permission in the current directory if NFS-mounted...
 
 install:
-	(echo "#!$(BINDIR)/camlrun"; \
-	 echo "exit 2"; \
-	 cat testprog) > /tmp/testscr
-	chmod a+x /tmp/testscr
-	sh -c 'if sh -c /tmp/testscr 2>/dev/null; \
-               then echo "#!$(BINDIR)/camlrun" > $(LIBDIR)/header; \
-               else cp camlexec $(LIBDIR)/header; \
-               fi'
-	rm -f /tmp/testscr
+	echo "#!$(BINDIR)/camlrun" > $(LIBDIR)/header
 	for script in camlc camllight camlmktop; do \
-	  cp $$script $(BINDIR)/$$script; \
+	  ${BSD_INSTALL_SCRIPT} $$script $(BINDIR)/$$script; \
 	  chmod a+x $(BINDIR)/$$script; \
 	done
 
 SEDCOMMANDS=\
-  -e 's|LIBDIR|$(LIBDIR)|' -e 's|CC|$(CC) $(OPTS)|' -e 's|LIBS|$(LIBS)|'
+  -e 's|LIBDIR|$(LIBDIR)|' -e 's|CC|$(CC) $(OPTS)|' -e 's|LIBS|$(LIBS)|' \
+  -e 's|BINDIR|$(BINDIR)|'
 
 camlc: camlc.tpl ../version.h
 	sed  $(SEDCOMMANDS) \