--- a/js/src/old-configure.in
+++ b/js/src/old-configure.in
@@ -469,16 +469,23 @@ if test "$GNU_CC"; then
 
     AC_MSG_CHECKING([for -z text option to ld])
     _SAVE_LDFLAGS=$LDFLAGS
     LDFLAGS="$LDFLAGS -Wl,-z,text"
     AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
                   AC_MSG_RESULT([no])
                   LDFLAGS=$_SAVE_LDFLAGS)
 
+    AC_MSG_CHECKING([for -z relro option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,relro"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
     AC_MSG_CHECKING([for --build-id option to ld])
     _SAVE_LDFLAGS=$LDFLAGS
     LDFLAGS="$LDFLAGS -Wl,--build-id"
     AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
                   AC_MSG_RESULT([no])
                   LDFLAGS=$_SAVE_LDFLAGS)
 
     _DEFINES_CFLAGS='-include $(topobjdir)/js/src/js-confdefs.h -DMOZILLA_CLIENT'

--- a/old-configure.in
+++ b/old-configure.in
@@ -581,16 +581,23 @@ if test "$GNU_CC"; then
 
     AC_MSG_CHECKING([for -z text option to ld])
     _SAVE_LDFLAGS=$LDFLAGS
     LDFLAGS="$LDFLAGS -Wl,-z,text"
     AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
                   AC_MSG_RESULT([no])
                   LDFLAGS=$_SAVE_LDFLAGS)
 
+    AC_MSG_CHECKING([for -z relro option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,relro"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
     AC_MSG_CHECKING([for --build-id option to ld])
     _SAVE_LDFLAGS=$LDFLAGS
     LDFLAGS="$LDFLAGS -Wl,--build-id"
     AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
                   AC_MSG_RESULT([no])
                   LDFLAGS=$_SAVE_LDFLAGS)
 
     AC_MSG_CHECKING([for --ignore-unresolved-symbol option to ld])