From 385d2e3722c22e788230c1cfba679356fbdd2d0a Mon Sep 17 00:00:00 2001 From: nsfisis Date: Sun, 1 Feb 2026 10:49:26 +0900 Subject: feat: define float-related macros for GCC compatibility --- src/preprocess.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'src/preprocess.c') diff --git a/src/preprocess.c b/src/preprocess.c index fe24f99..9776b5a 100644 --- a/src/preprocess.c +++ b/src/preprocess.c @@ -166,6 +166,17 @@ static void add_predefined_macros(MacroArray* macros) { define_macro_to_number(macros, "__WCHAR_MIN__", __WCHAR_MIN__); define_macro_to_number(macros, "__WINT_MIN__", __WINT_MIN__); define_macro_to_number(macros, "__SIG_ATOMIC_MIN__", __SIG_ATOMIC_MIN__); + + // GCC's predefined macros not listed in Common Predefined Macros page. + define_macro_to_number(macros, "__DBL_DIG__", __DBL_DIG__); + define_macro_to_number(macros, "__DBL_MANT_DIG__", __DBL_MANT_DIG__); + define_macro_to_number(macros, "__DBL_MAX_10_EXP__", __DBL_MAX_10_EXP__); + define_macro_to_number(macros, "__FLT_DIG__", __FLT_DIG__); + define_macro_to_number(macros, "__FLT_MANT_DIG__", __FLT_MANT_DIG__); + define_macro_to_number(macros, "__FLT_MAX_10_EXP__", __FLT_MAX_10_EXP__); + define_macro_to_number(macros, "__LDBL_DIG__", __LDBL_DIG__); + define_macro_to_number(macros, "__LDBL_MANT_DIG__", __LDBL_MANT_DIG__); + define_macro_to_number(macros, "__LDBL_MAX_10_EXP__", __LDBL_MAX_10_EXP__); } // Accept "FOO" or "FOO=value" -- cgit v1.3-1-g0d28