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Added support for __has_include on gcc, in addition to clang.

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This commit is contained in:
Andrey Semashev
2015-12-31 19:45:37 +03:00
parent 3add966877
commit 181965f303
1 changed files with 4 additions and 1 deletions
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5
include/boost/core/demangle.hpp
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@ -17,7 +17,10 @@
# pragma once
#endif
#if defined( __clang__ ) && defined( __has_include )
// __has_include is currently supported by GCC and Clang. However GCC 4.9 may have issues and
// returns 1 for 'defined( __has_include )', while '__has_include' is actually not supported:
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63662
#if defined( __has_include ) && (!defined( BOOST_GCC ) || (__GNUC__ + 0) >= 5)
# if __has_include(<cxxabi.h>)
# define BOOST_CORE_HAS_CXXABI_H
# endif