diff --git a/include/boost/math/cstdfloat/cstdfloat_types.hpp b/include/boost/math/cstdfloat/cstdfloat_types.hpp
index 3ffcce21d..630c7534c 100644
--- a/include/boost/math/cstdfloat/cstdfloat_types.hpp
+++ b/include/boost/math/cstdfloat/cstdfloat_types.hpp
@@ -356,6 +356,13 @@
       #undef BOOST_CSTDFLOAT_FLOAT_32_MAX
     #endif
 
+#if (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)) && defined(__SUNPRO_CC)
+#undef BOOST_CSTDFLOAT_HAS_FLOAT80_NATIVE_TYPE
+#define BOOST_CSTDFLOAT_HAS_FLOAT80_NATIVE_TYPE 0
+#undef BOOST_CSTDFLOAT_HAS_FLOAT128_NATIVE_TYPE
+#define BOOST_CSTDFLOAT_HAS_FLOAT128_NATIVE_TYPE 0
+#endif
+
     #if(BOOST_CSTDFLOAT_HAS_FLOAT64_NATIVE_TYPE == 1)
       typedef BOOST_CSTDFLOAT_FLOAT64_NATIVE_TYPE float64_t;
       typedef boost::float64_t float_fast64_t;