From e297f7c2cefa0f9b6e4d28ac177d98b00b5436cb Mon Sep 17 00:00:00 2001
From: Daniel Lemire <daniel@lemire.me>
Date: Sat, 4 Jan 2025 16:01:14 -0500
Subject: [PATCH] check __cpp_lib_format

---
 include/ada/common_defs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/ada/common_defs.h b/include/ada/common_defs.h
index 2300c2ed5..2ebeb006e 100644
--- a/include/ada/common_defs.h
+++ b/include/ada/common_defs.h
@@ -250,8 +250,8 @@ namespace ada {
 #define ada_lifetime_bound
 #endif
 
-#ifdef __has_include
-#if __has_include(<format>)
+#ifdef __cpp_lib_format
+#if __cpp_lib_format >= 202110L
 #include <format>
 #define ADA_HAS_FORMAT 1
 #endif