diff -up cyrus-sasl-2.1.23/lib/Makefile.am.relro cyrus-sasl-2.1.23/lib/Makefile.am
--- cyrus-sasl-2.1.23/lib/Makefile.am.relro	2009-04-28 17:09:15.000000000 +0200
+++ cyrus-sasl-2.1.23/lib/Makefile.am	2011-08-10 03:53:47.994891976 +0200
@@ -60,7 +60,7 @@ LIB_DOOR= @LIB_DOOR@
 lib_LTLIBRARIES = libsasl2.la
 
 libsasl2_la_SOURCES = $(common_sources) $(common_headers)
-libsasl2_la_LDFLAGS = -version-info $(sasl_version)
+libsasl2_la_LDFLAGS = -Wl,-z,relro -version-info $(sasl_version)
 libsasl2_la_DEPENDENCIES = $(LTLIBOBJS)
 libsasl2_la_LIBADD = $(LTLIBOBJS) $(SASL_DL_LIB) $(LIB_SOCKET) $(LIB_DOOR)
 
diff -up cyrus-sasl-2.1.23/plugins/Makefile.am.relro cyrus-sasl-2.1.23/plugins/Makefile.am
--- cyrus-sasl-2.1.23/plugins/Makefile.am.relro	2011-08-10 04:01:39.725891950 +0200
+++ cyrus-sasl-2.1.23/plugins/Makefile.am	2011-08-10 04:02:47.674892053 +0200
@@ -62,7 +62,7 @@ ldapdb_version = 2:23:0
 srp_version = 2:23:0
 
 INCLUDES=-I$(top_srcdir)/include -I$(top_srcdir)/lib -I$(top_srcdir)/sasldb -I$(top_builddir)/include
-AM_LDFLAGS = -module -export-dynamic -rpath $(plugindir)
+AM_LDFLAGS = -Wl,-z,relro -module -export-dynamic -rpath $(plugindir)
 
 COMPAT_OBJS = @LTGETADDRINFOOBJS@ @LTGETNAMEINFOOBJS@ @LTSNPRINTFOBJS@
 
diff -up cyrus-sasl-2.1.23/sasldb/Makefile.am.relro cyrus-sasl-2.1.23/sasldb/Makefile.am