Add comment on change.

Refs #8048.

[SVN r83014]
This commit is contained in:
John Maddock
2013-02-19 17:49:35 +00:00
parent 28333566ee
commit 082f493831

View File

@ -154,7 +154,14 @@
#endif #endif
// //
// Recent GCC versions have __int128 when in 64-bit mode: // Recent GCC versions have __int128 when in 64-bit mode.
//
// We disable this if the compiler is really nvcc as it
// doesn't actually support __int128 as of CUDA_VERSION=5000
// even though it defines __SIZEOF_INT128__.
// See https://svn.boost.org/trac/boost/ticket/8048
// Only re-enable this for nvcc if you're absolutely sure
// of the circumstances under which it's supported:
// //
#if defined(__SIZEOF_INT128__) && !defined(__CUDACC__) #if defined(__SIZEOF_INT128__) && !defined(__CUDACC__)
# define BOOST_HAS_INT128 # define BOOST_HAS_INT128