relibc: add LDBL_DIG, DECIMAL_DIG, LDBL_MIN/MAX_10_EXP to float.h cbindgen

C11 <float.h> requires these macros. Without them, gnulib-based packages (diffutils, coreutils, etc.) fail with 'LDBL_DIG undeclared'.
2026-07-11 13:57:03 +03:00
parent 48b3490ad6
commit af769016b4
1 changed files with 5 additions and 0 deletions
@@ -42,6 +42,9 @@ after_includes = """

 #define LDBL_HAS_SUBNORM 1
 #define LDBL_DECIMAL_DIG DECIMAL_DIG
+#define LDBL_DIG 18
+#define LDBL_MIN_10_EXP (-4931)
+#define LDBL_MAX_10_EXP 4932

 // TODO: Support more architectures than x86_64 here:
 #define LDBL_TRUE_MIN 3.6451995318824746025e-4951L
@@ -53,6 +56,8 @@ after_includes = """
 #define LDBL_MIN_EXP (-16381)
 #define LDBL_MAX_EXP 16384

+#define DECIMAL_DIG 21
+
 #endif // _RELIBC_BITS_FLOAT_H
 """
 language = "C"