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- // Check whether we need to link to the stdc++fs library.
- //
- // We assume that the presence of the <filesystem> header means that we have
- // support for the basics of std::filesystem. This check will succeed if
- // either there is no <filesystem> header, or there is one and it works without
- // any special options. If the link fails, we assume that -lstdc++fs will fix
- // it for us.
- #include <iostream>
- #if __has_include(<filesystem>)
- # include <filesystem>
- #endif
- int main()
- {
- #if __has_include(<filesystem>)
- std::cout << std::filesystem::path{"foo.bar"}.c_str() << '\n';
- #endif
- }
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