MDEV-31963 cmake: fix libfmt usage

`fmt::detail::make_arg` does not accept temporaries, so the code snippet checking system libfmt needs to be adjusted. Signed-off-by: Ruoyu Zhong <zhongruoyu@outlook.com>
MariaDB · Aug 28, 2023 · f4cec36 · f4cec36
1 parent bf3b787
commit f4cec36
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cmake/libfmt.cmake b/cmake/libfmt.cmake
@@ -33,8 +33,9 @@ MACRO (CHECK_LIBFMT)
      #include <fmt/format-inl.h>
      #include <iostream>
      int main() {
+       int answer= 42;
        fmt::format_args::format_arg arg=
-         fmt::detail::make_arg<fmt::format_context>(42);
+         fmt::detail::make_arg<fmt::format_context>(answer);
          std::cout << fmt::vformat(\"The answer is {}.\",
                                    fmt::format_args(&arg, 1));
      }" HAVE_SYSTEM_LIBFMT)