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cmake/external/glib/cppgir/tools/format.hpp

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+#ifndef FORMAT_HPP
+
+#if __cplusplus >= 202002L
+// available as of gcc-13
+// also requires/checks the above guard on C++20
+
+#include <format>
+#include <string_view>
+
+namespace fmt
+{
+template<typename... Args>
+inline std::string
+format(std::string_view format, Args &&...args)
+{
+  return std::vformat(format, std::make_format_args(args...));
+}
+} // namespace fmt
+
+#else
+// use original fmtlib
+#include <fmt/format.h>
+#endif
+
+#endif // FORMAT_HPP