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Make fmt-c.h compile with Clang on Windows #4712

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Merged
vitaut merged 1 commit into from
Mar 14, 2026
+3 −2
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Make fmt-c.h compile with Clang on Windows #4712

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5 changes: 3 additions & 2 deletions include/fmt/fmt-c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -91,14 +91,15 @@ static inline fmt_arg fmt_from_ptr(const void* x) {

void fmt_unsupported_type(void);

# ifndef _MSC_VER
# if !defined(_MSC_VER) || defined(__clang__)
typedef signed char fmt_signed_char;
# else
typedef enum {} fmt_signed_char;
# endif

// Require modern MSVC with conformant preprocessor.
# if defined(_MSC_VER) && (!defined(_MSVC_TRADITIONAL) || _MSVC_TRADITIONAL)
# if defined(_MSC_VER) && !defined(__clang__) && \
(!defined(_MSVC_TRADITIONAL) || _MSVC_TRADITIONAL)
# error "C API requires MSVC 2019+ with /Zc:preprocessor flag."
# endif

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