--- boost/math/tr1.hpp.orig	2010-05-25 10:45:54.000000000 -0400
+++ boost/math/tr1.hpp	2011-01-18 17:51:38.000000000 -0500
@@ -40,7 +40,8 @@
 // Set any throw specifications on the C99 extern "C" functions - these have to be
 // the same as used in the std lib if any.
 //
-#if defined(__GLIBC__) && defined(__THROW)
+#if defined(__GLIBC__) && defined(__THROW) \
+   || defined(__IBMCPP__) && defined(__LINUX__) && defined(__THROW)
 #  define BOOST_MATH_C99_THROW_SPEC __THROW
 #else
 #  define BOOST_MATH_C99_THROW_SPEC