configure: Add --enable-compiler-atomic-builtins option

[urcu.git] / README.md

diff --git a/README.md b/README.md
index 6b87b63719aa03eaa57d01a6bc671624bafd7c1f..d7966a2c54dbbad4eaf92a5e01b8d99abd7e6451 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
+<!--
+SPDX-FileCopyrightText: 2023 EfficiOS Inc.
+
+SPDX-License-Identifier: CC-BY-4.0
+-->
+

 Userspace RCU Implementation
 ============================
 
 Userspace RCU Implementation
 ============================
 


@@ -434,6 +440,10 @@ still being used to iterate on a hash table.
 This option alters the rculfhash ABI. Make sure to compile both library
 and application with matching configuration.
 
 This option alters the rculfhash ABI. Make sure to compile both library
 and application with matching configuration.
 

+### Usage of `--enable-compiler-atomic-builtins`
+
+Building liburcu with `--enable-compiler-atomic-builtins` implements the uatomic
+API with the compiler atomic builtins if supported.

 
 Make targets
 ------------
 
 Make targets
 ------------