* m4/limits-h.m4 (gl_LIMITS_H): Test also for BOOL_MAX.
* lib/limits.in.h: Handle the case where BOOL_WIDTH is present and
BOOL_MAX is missing.
* doc/posix-headers/limits.texi: Mention the clang bug.
limits-h: Work around a clang 15 bug.
* m4/limits-h.m4 (gl_LIMITS_H): Test also for BOOL_MAX.
+ * lib/limits.in.h: Handle the case where BOOL_WIDTH is present and
+ BOOL_MAX is missing.
* doc/posix-headers/limits.texi: Mention the clang bug.
2023-02-09 Bruno Haible <bruno@clisp.org>
/* Macros specified by C23. */
-#if (! defined BOOL_WIDTH \
- && (defined _GNU_SOURCE \
- || (defined __STDC_VERSION__ && 201710 < __STDC_VERSION__)))
-# define BOOL_MAX 1
-# define BOOL_WIDTH 1
+#if (defined _GNU_SOURCE \
+ || (defined __STDC_VERSION__ && 201710 < __STDC_VERSION__))
+# if ! defined BOOL_WIDTH
+# define BOOL_WIDTH 1
+# define BOOL_MAX 1
+# elif ! defined BOOL_MAX
+# define BOOL_MAX ((((1U << (BOOL_WIDTH - 1)) - 1) << 1) + 1)
+# endif
#endif
#endif /* _@GUARD_PREFIX@_LIMITS_H */