Add missing xchar.h header for fmt > 11.0.2 (v2) #3277
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In fmt > 11.0.2, basic_format_string has moved from base.h to xchar.h
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fmt/xchar.h is expensive to include if wchar is not required. Why can't you include it in your code? |
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#3301 fixes the problem without including |
yachoor
referenced
this pull request
Jan 8, 2025
Include fmtlib's `xchar` header to include `fmt::basic_format_string`.
Otherwise, compilation with an external fmtlib 11.1.1 fails with
```
In file included from include/spdlog/spdlog.h:12:
include/spdlog/common.h:369:49: error: no template named 'basic_format_string' in namespace 'fmt'; did you mean 'std::basic_format_string'?
369 | inline fmt::basic_string_view<T> to_string_view(fmt::basic_format_string<T, Args...> fmt) {
| ^~~~~
```
Signed-off-by: Christian Blichmann <[email protected]>
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Better version than #3274
Fixes #3202
NOTE: I cannot conditionally add the header based on the FMT version, as it's stuck to
#define FMT_VERSION 110002, even though we're passed that version.Tested fine on
Ubuntu+clang&gcc, on both release and debug.