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Updated the comment about __cxa_uncaught_exceptions.

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This commit is contained in:
Andrey Semashev
2019-01-08 04:47:51 +03:00
parent bf932b4908
commit 7d70451b49
1 changed files with 2 additions and 2 deletions
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4
include/boost/core/uncaught_exceptions.hpp
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@ -54,8 +54,8 @@
// On OpenBSD, it seems, the declaration is also missing.
// Note that at least on FreeBSD 11, cxxabi.h declares __cxa_get_globals with a different exception specification, so we can't declare the function unconditionally.
// On Linux with clang and libc++ and on OS X, there is a version of cxxabi.h from libc++abi that doesn't declare __cxa_get_globals, but provides __cxa_uncaught_exceptions.
// The function only appeared in version _LIBCPPABI_VERSION >= 1002 of the library. Unfortunately, there are linking errors about undefined reference to __cxa_uncaught_exceptions,
// so we avoid using it and forward-declare __cxa_get_globals instead.
// The function only appeared in version _LIBCPPABI_VERSION >= 1002 of the library. Unfortunately, there are linking errors about undefined reference to __cxa_uncaught_exceptions
// on Ubuntu Trusty and OS X, so we avoid using it and forward-declare __cxa_get_globals instead.
#if !defined(__FreeBSD__) && \
( \
(defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) < 407) || \