Applied this patch as obvious after the switch to GNU-C23 in
https://gcc.gnu.org/r15-5327
Johann
--
AVR: Fix building LibF7 after switching to C23.
Since r15-5327, GNU-C23 is being used as C language default.
libf7.h doesn't assume headers like stdbool.h are present
and defines bool, true and false on its own.
libgcc/config/avr/libf7/
* libf7.h (bool, true, false): Don't define in C23 or higher. AVR: Fix building LibF7 after switching to C23.
Since r15-5327, GNU-C23 is being used as C language default.
libf7.h doesn't assume headers like stdbool.h are present
and defines bool, true and false on its own.
libgcc/config/avr/libf7/
* libf7.h (bool, true, false): Don't define in C23 or higher.
diff --git a/libgcc/config/avr/libf7/libf7.h b/libgcc/config/avr/libf7/libf7.h
index 38ee27054da..7226c0e38da 100644
--- a/libgcc/config/avr/libf7/libf7.h
+++ b/libgcc/config/avr/libf7/libf7.h
@@ -95,12 +95,16 @@ typedef __INT64_TYPE__ int64_t;
typedef __INT32_TYPE__ int32_t;
typedef __INT16_TYPE__ int16_t;
typedef __INT8_TYPE__ int8_t;
-typedef _Bool bool;
-#define false 0
-#define true 1
#define INT8_MIN (-1 - __INT8_MAX__)
#define INT16_MAX __INT16_MAX__
#define NULL ((void*) 0)
+#if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L
+/* bool, true and false are keywords. */
+#else
+#define bool _Bool
+#define true 1
+#define false 0
+#endif /* C23 ? */
#endif /* IN_LIBGCC2 */
#include "asm-defs.h"
