Add BOOST_HAS_FLOAT128 for compilers that support __float128 as a distinct type.

test/all/Jamfile.v2

@@ -1,7 +1,7 @@
 #
 # Regression test Jamfile for boost configuration setup.
 # *** DO NOT EDIT THIS FILE BY HAND ***
-# This file was automatically generated on Fri Jun 26 21:48:00 2015
+# This file was automatically generated on Thu Aug 13 16:32:12 2015
 #  by libs/config/tools/generate.cpp
 # Copyright John Maddock.
 # Use, modification and distribution are subject to the 
@@ -37,6 +37,9 @@ test-suite "BOOST_HAS_DIRENT_H" :
 test-suite "BOOST_HAS_EXPM1" : 
 [ run ../has_expm1_pass.cpp ]
 [ compile-fail ../has_expm1_fail.cpp ] ;
+test-suite "BOOST_HAS_FLOAT128" : 
+[ run ../has_float128_pass.cpp ]
+[ compile-fail ../has_float128_fail.cpp ] ;
 test-suite "BOOST_HAS_FTIME" : 
 [ run ../has_ftime_pass.cpp ]
 [ compile-fail ../has_ftime_fail.cpp ] ;

test/config_info.cpp

@@ -937,6 +937,7 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_HAS_CLOCK_GETTIME);
    PRINT_MACRO(BOOST_HAS_DIRENT_H);
    PRINT_MACRO(BOOST_HAS_EXPM1);
+   PRINT_MACRO(BOOST_HAS_FLOAT128);
    PRINT_MACRO(BOOST_HAS_FTIME);
    PRINT_MACRO(BOOST_HAS_GETSYSTEMTIMEASFILETIME);
    PRINT_MACRO(BOOST_HAS_GETTIMEOFDAY);
@@ -1125,6 +1126,7 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_NO_VOID_RETURNS);
 
 
+
    // END GENERATED BLOCK
 
    PRINT_MACRO(BOOST_INTEL);

test/config_test.cpp

@@ -1,4 +1,4 @@
-//  This file was automatically generated on Fri Jun 26 21:48:00 2015
+//  This file was automatically generated on Thu Aug 13 16:32:12 2015
 //  by libs/config/tools/generate.cpp
 //  Copyright John Maddock 2002-4.
 //  Use, modification and distribution are subject to the 
@@ -753,6 +753,11 @@ namespace boost_has_dirent_h = empty_boost;
 #else
 namespace boost_has_expm1 = empty_boost;
 #endif
+#ifdef BOOST_HAS_FLOAT128
+#include "boost_has_float128.ipp"
+#else
+namespace boost_has_float128 = empty_boost;
+#endif
 #ifdef BOOST_HAS_FTIME
 #include "boost_has_ftime.ipp"
 #else
@@ -1016,6 +1021,11 @@ int main( int, char *[] )
       std::cerr << "Failed test for BOOST_HAS_EXPM1 at: " << __FILE__ << ":" << __LINE__ << std::endl;
       ++error_count;
    }
+   if(0 != boost_has_float128::test())
+   {
+      std::cerr << "Failed test for BOOST_HAS_FLOAT128 at: " << __FILE__ << ":" << __LINE__ << std::endl;
+      ++error_count;
+   }
    if(0 != boost_has_ftime::test())
    {
       std::cerr << "Failed test for BOOST_HAS_FTIME at: " << __FILE__ << ":" << __LINE__ << std::endl;