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Fail libgmpxx detection on Linux if libstdc++ is not used as the std library.

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libgmpxx was built against libstdc++, so if the application uses e.g. libc++,
linking fails because of the standard symbols mismatch.
This commit is contained in:
Andrey Semashev
2018-10-29 12:07:06 +03:00
parent b5d5c56e68
commit 835ac98a23
2 changed files with 11 additions and 3 deletions
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8
test/has_gmpxx.cpp
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@ -5,3 +5,11 @@
#include <gmpxx.h> #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