diff --git a/Examples/test-suite/common.mk b/Examples/test-suite/common.mk
index 1e59f6d..5a44980 100644
--- a/Examples/test-suite/common.mk
+++ b/Examples/test-suite/common.mk
@@ -677,7 +677,7 @@
 CPP_TEST_CASES += ${CPP_STD_TEST_CASES}
 endif
 
-ifneq (,$(HAVE_CXX11))
+ifeq (1,$(HAVE_CXX11))
 CPP_TEST_CASES += $(CPP11_TEST_CASES)
 endif
 
diff --git a/configure.ac b/configure.ac
index fe53f7d..180515d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -345,6 +345,7 @@
   CXX=$CXX_SAVED
   CXXCPP=$CXXCPP_SAVED
 fi
+AC_SUBST(HAVE_CXX11)
 
 # On darwin 10.7,10.8,10.9 using clang++, need to ensure using
 # libc++ for tests and examples to run under mono. May affect
@@ -401,7 +402,6 @@
 AC_SUBST(RPATH)
 AC_SUBST(PLATCFLAGS)
 AC_SUBST(PLATCXXFLAGS)
-AC_SUBST(HAVE_CXX11)
 AC_SUBST(LINKFORSHARED)
 
 # This variation is needed on OS-X because there is no (apparent) consistency in shared library naming.