Index: libs/math/build/Jamfile.v2
===================================================================
--- libs/math/build/Jamfile.v2	(revision 77751)
+++ libs/math/build/Jamfile.v2	(working copy)
@@ -16,7 +16,7 @@
       #<toolset>gcc:<cxxflags>-fvisibility=hidden
       <toolset>intel-linux:<cxxflags>-fvisibility=hidden
       <toolset>sun:<cxxflags>-xldscope=hidden
-      [ check-target-builds ../config//has_gcc_visibility : <toolset>gcc:<cxxflags>-fvisibility=hidden : ]
+      [ check-target-builds ../config//has_gcc_visibility "gcc visibility" : <toolset>gcc:<cxxflags>-fvisibility=hidden : ]
     ;
 
 cpp-pch pch : ../src/tr1/pch.hpp : <include>../src/tr1 <link>shared:<define>BOOST_MATH_TR1_DYN_LINK=1 ; 
@@ -96,7 +96,7 @@
          <link>shared:<define>BOOST_MATH_TR1_DYN_LINK=1
          <dependency>../config//has_long_double_support
          <include>../src/tr1
-         [ check-target-builds ../config//has_long_double_support : : <build>no ]
+         [ check-target-builds ../config//has_long_double_support "long double support" : : <build>no ]
    ;
 
 lib boost_math_c99 : ../src/tr1/$(C99_SOURCES).cpp pch
@@ -116,7 +116,7 @@
          <link>shared:<define>BOOST_MATH_TR1_DYN_LINK=1
          <dependency>../config//has_long_double_support
          <include>../src/tr1
-         [ check-target-builds ../config//has_long_double_support : : <build>no ]
+         [ check-target-builds ../config//has_long_double_support "long double support" : : <build>no ]
    ;
 
 boost-install boost_math_c99 boost_math_c99f boost_math_c99l boost_math_tr1 boost_math_tr1f boost_math_tr1l ;