diff --git PORD/lib/Makefile PORD/lib/Makefile
index 1618155..01276e8 100644
--- PORD/lib/Makefile
+++ PORD/lib/Makefile
@@ -29,7 +29,7 @@ libpord$(PLAT)$(LIBEXT):$(OBJS)
 	$(RANLIB) $@
 
 libpord$(PLAT)$(LIBEXT_SHARED):$(OBJS)
-	$(CC) -shared $(OBJS) -o libpord$(PLAT)$(LIBEXT_SHARED)
+	$(CC) -dynamiclib -install_name $(PREFIX)/lib/libpord$(PLAT)$(LIBEXT_SHARED) $(OBJS) -o $@
 
 clean:
 	rm -f *.o
diff --git src/Makefile src/Makefile
index acf0af6..fb32d2b 100644
--- src/Makefile
+++ src/Makefile
@@ -217,14 +217,14 @@
 	$(RANLIB) $@
 
 $(libdir)/libmumps_common$(PLAT)$(LIBEXT_SHARED):      $(OBJS_COMMON_MOD) $(OBJS_COMMON_OTHER)
-	$(FC) $(OPTL) $(SHARED_OPT) $^ -Wl,$(SONAME),libmumps_common$(PLAT)$(LIBEXT_SHARED) -L$(libdir) $(RPATH_OPT) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -o $@ 
+	$(FC) $(OPTL) -dynamiclib $^ -install_name $(PREFIX)/lib/libmumps_common$(PLAT)$(LIBEXT_SHARED) -L$(libdir) $(RPATH_OPT) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -o $@
 
 $(libdir)/lib$(ARITH)mumps$(PLAT)$(LIBEXT):    $(OBJS_MOD) $(OBJS_OTHER)
 	$(AR)$@ $?
 	$(RANLIB) $@
 
 $(libdir)/lib$(ARITH)mumps$(PLAT)$(LIBEXT_SHARED):    $(OBJS_MOD) $(OBJS_OTHER) $(libdir)/libmumps_common$(PLAT)$(LIBEXT_SHARED)
-	$(FC) $(OPTL) $(SHARED_OPT) $(OBJS_MOD) $(OBJS_OTHER) -L$(libdir) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -lmumps_common$(PLAT) -o $@ $(RPATH_OPT)
+	$(FC) $(OPTL) -shared $(OBJS_MOD) $(OBJS_OTHER) -dynamiclib -install_name $(PREFIX)/lib/lib$(ARITH)mumps$(PLAT)$(LIBEXT_SHARED) -L$(libdir) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -lmumps_common$(PLAT) -o $@ $(RPATH_OPT)
 
 
 # Dependencies between modules: