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Add comments in 'cray.hpp'

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This commit is contained in:
Justin LaPolla
2017-12-13 15:52:09 -06:00
parent 5679e66d10
commit bea3493fcb
1 changed files with 5 additions and 2 deletions
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7
include/boost/config/compiler/cray.hpp
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@ -56,8 +56,11 @@
# define BOOST_COMPILER "Cray C++ version " BOOST_STRINGIZE(_RELEASE_MAJOR) "." BOOST_STRINGIZE(_RELEASE_MINOR) "." BOOST_STRINGIZE(_RELEASE_PATCHLEVEL)
#endif
// We have to emulate some GCC macros in order to enable some Boost.Config
// tests.
// Since the Cray compiler defines '__GNUC__', we have to emulate some
// additional GCC macros in order to make everything work.
//
// FIXME: Perhaps Cray should fix the compiler to define these additional
// macros for GCC emulation?
#if __cplusplus >= 201103L && defined(__GNUC__) && !defined(__GXX_EXPERIMENTAL_CXX0X__)
# define __GXX_EXPERIMENTAL_CXX0X__ 1