diff -urN xianyi-OpenBLAS-956397f-orig/exports/Makefile xianyi-OpenBLAS-956397f/exports/Makefile
--- xianyi-OpenBLAS-956397f-orig/exports/Makefile	2012-06-30 02:26:10.000000000 +0200
+++ xianyi-OpenBLAS-956397f/exports/Makefile	2012-07-02 21:45:45.204536642 +0200
@@ -107,6 +107,7 @@
 
 ../$(LIBSONAME) : ../$(LIBNAME) linux.def linktest.c
 	$(CC) $(CFLAGS) -shared -o ../$(LIBSONAME) \
+        -Wl,-z,noexecstack \
 	-Wl,--whole-archive ../$(LIBNAME) -Wl,--no-whole-archive \
 	-Wl,--retain-symbols-file=linux.def -Wl,-soname,$(LIBPREFIX).so.$(MAJOR_VERSION) $(EXTRALIB)
 	$(CC) $(CFLAGS) -w -o linktest linktest.c ../$(LIBSONAME) $(FEXTRALIB) && echo OK.
@@ -120,6 +121,7 @@
 
 ../$(LIBSONAME) : ../$(LIBNAME) linux.def linktest.c
 	$(CC) $(CFLAGS)  -shared -o ../$(LIBSONAME) \
+        -Wl,-z,noexecstack \
 	-Wl,--whole-archive ../$(LIBNAME) -Wl,--no-whole-archive \
 	-Wl,--retain-symbols-file=linux.def $(FEXTRALIB) $(EXTRALIB)
 	$(CC) $(CFLAGS) -w -o linktest linktest.c ../$(LIBSONAME) $(FEXTRALIB) && echo OK.
@@ -139,6 +141,7 @@
 
 so : ../$(LIBSONAME)
 	$(CC) $(CFLAGS)  -shared -o ../$(LIBSONAME) \
+        -Wl,-z,noexecstack \
 	-Wl,--whole-archive ../$(LIBNAME) -Wl,--no-whole-archive $(EXTRALIB)
 	$(CC) $(CFLAGS) -w -o linktest linktest.c ../$(LIBSONAME) $(FEXTRALIB) && echo OK.
 	rm -f linktest