diff options
Diffstat (limited to 'boost/core/uncaught_exceptions.hpp')
| -rw-r--r-- | boost/core/uncaught_exceptions.hpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/boost/core/uncaught_exceptions.hpp b/boost/core/uncaught_exceptions.hpp index 29b1c7ae79..27e2491bda 100644 --- a/boost/core/uncaught_exceptions.hpp +++ b/boost/core/uncaught_exceptions.hpp @@ -9,7 +9,7 @@ * \author Andrey Semashev * \date 2018-11-10 * - * \brief This header provides an `uncaught_exception` function implementation, which was introduced in C++17. + * \brief This header provides an `uncaught_exceptions` function implementation, which was introduced in C++17. * * The code in this file is based on the implementation by Evgeny Panasyuk: * @@ -56,10 +56,15 @@ // 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 // on Ubuntu Trusty and OS X, so we avoid using it and forward-declare __cxa_get_globals instead. +// On QNX SDP 7.0 (QCC 5.4.0), there are multiple cxxabi.h, one from glibcxx from gcc and another from libc++abi from LLVM. Which one is included will be determined by the qcc +// command line arguments (-V and/or -Y; http://www.qnx.com/developers/docs/7.0.0/#com.qnx.doc.neutrino.utilities/topic/q/qcc.html). The LLVM libc++abi is missing the declaration +// of __cxa_get_globals but it is also patched by QNX developers to not define _LIBCPPABI_VERSION. Older QNX SDP versions, up to and including 6.6, don't provide LLVM and libc++abi. +// See https://github.com/boostorg/core/issues/59. #if !defined(__FreeBSD__) && \ ( \ (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) < 407) || \ defined(__OpenBSD__) || \ + (defined(__QNXNTO__) && !defined(__GLIBCXX__) && !defined(__GLIBCPP__)) || \ defined(_LIBCPPABI_VERSION) \ ) namespace __cxxabiv1 { |