integer/test/has_gmpxx.cpp
Andrey Semashev 835ac98a23 Fail libgmpxx detection on Linux if libstdc++ is not used as the std library.
libgmpxx was built against libstdc++, so if the application uses e.g. libc++,
linking fails because of the standard symbols mismatch.
2018-10-29 12:07:06 +03:00

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// Copyright John Maddock 2008.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <gmpxx.h>
// On Linux, libgmpxx is built with gcc and libstdc++. When the user application, such as tests, are built against libc++,
// linking fails because of the C++ standard library symbol names mismatch. So fail the test if we're not using libstdc++.
#if defined(__linux__) || defined(__linux) || defined(linux)
#include <utility>
#if !defined(__GLIBCPP__) && !defined(__GLIBCXX__)
#error "libgmpxx is not supported on this platform with this C++ standard library"
#endif
#endif