From: Eric Botcazou <ebotcazou@adacore.com>
Date: Sun, 31 Jan 2021 22:23:31 +0000 (+0100)
Subject: Add missing definition of SIZE_MAX
X-Git-Tag: basepoints/gcc-12~1255
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b5af1034829f69be5e91fc39c10cea267a93025;p=thirdparty%2Fgcc.git

Add missing definition of SIZE_MAX

If the stdint.h system file follows the ISO C99 specification, it might
not define SIZE_MAX in C++ by default, so provide a local fallback.

gcc/
	* system.h (SIZE_MAX): Define if not already defined.
---

diff --git a/gcc/system.h b/gcc/system.h
index 5dd1c34c3a36..a3f5948aaeec 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -535,6 +535,10 @@ extern void *realloc (void *, size_t);
 #include <inttypes.h>
 #endif
 
+#ifndef SIZE_MAX
+# define SIZE_MAX INTTYPE_MAXIMUM (size_t)
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif