integer/test/has_gmpxx.cpp

//  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
Test mpz_class when available. And fix errors compiling with that type. 2017-05-07 13:15:15 +01:00			`// 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>`

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			`// 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`