From 6c9f07b278ff1ea5fc3dd5504a608dca90bc4712 Mon Sep 17 00:00:00 2001
From: Alex Van Damme <atv@google.com>
Date: Wed, 27 Mar 2024 07:08:46 +0000
Subject: [PATCH] Define __KELVIN__

---
 gcc/c-family/c-cppbuiltin.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c
index db91a36794a..1a61a02ca57 100644
--- a/gcc/c-family/c-cppbuiltin.c
+++ b/gcc/c-family/c-cppbuiltin.c
@@ -1477,6 +1477,8 @@ c_cpp_builtins (cpp_reader *pfile)
      format.  */
   if (ENABLE_DECIMAL_FLOAT && ENABLE_DECIMAL_BID_FORMAT)
     cpp_define (pfile, "__DECIMAL_BID_FORMAT__");
+
+  cpp_define (pfile, "__KELVIN__");
 }
 
 /* Pass an object-like macro.  If it doesn't lie in the user's
-- 
2.44.0.396.g6e790dbe36-goog