--- gmp-h.in.orig	2023-07-29 13:42:16 UTC
+++ gmp-h.in
@@ -268,7 +268,8 @@ typedef const __gmp_randstate_struct *gmp_randstate_sr
   || defined (_ISO_STDIO_ISO_H)       /* Sun C++ */		\
   || defined (__STDIO_LOADED)         /* VMS */			\
   || defined (_STDIO)                 /* HPE NonStop */         \
-  || defined (__DEFINED_FILE)         /* musl */
+  || defined (__DEFINED_FILE)         /* musl */                \
+  || defined (__STDC_VERSION_STDIO_H__) /* C23 */
 #define _GMP_H_HAVE_FILE 1
 #endif