Index: /issm/trunk-jpl/m4/issm_options.m4
===================================================================
--- /issm/trunk-jpl/m4/issm_options.m4	(revision 27050)
+++ /issm/trunk-jpl/m4/issm_options.m4	(revision 27051)
@@ -2748,5 +2748,5 @@
 		AS_HELP_STRING([--with-cxxoptflags=CXXOPTFLAGS], [C++ optimization flags (i.e. --with-cxxoptflags="-march=opteron -O3 -std=c++11"]),
 		[CXXOPTFLAGS=${withval}],
-		[CXXOPTFLAGS="-g -O2 -fPIC -std=c++11"]
+		[CXXOPTFLAGS="-g -O2 -fPIC -std=c++11 -D_DO_NOT_LOAD_GLOBALS_"]
 	)
 	AC_SUBST([CXXOPTFLAGS])