--- libaitsched/configure	2026/05/19 15:56:20	1.61.2.1
+++ libaitsched/configure	2026/05/20 04:07:04	1.62
@@ -716,6 +716,7 @@ enable_epoll
 enable_kqueue
 with_kq_events
 with_elwix
+enable_atomic
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1352,6 +1353,7 @@ Optional Features:
   --enable-aio            Build scheduler library with AIO operations
   --enable-epoll          Enable epoll support (only under Linux)
   --disable-kqueue        Disable kqueue support
+  --enable-atomic         Enable atomic lock support
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -4610,6 +4612,27 @@ fi
 
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ELWIX" >&5
 printf "%s\n" "$ELWIX" >&6; }
+
+ATOMIC=no
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking Enable atomic lock support" >&5
+printf %s "checking Enable atomic lock support... " >&6; }
+# Check whether --enable-atomic was given.
+if test ${enable_atomic+y}
+then :
+  enableval=$enable_atomic;  ATOMIC=$enableval
+		case "$enableval" in
+			yes)
+
+printf "%s\n" "#define ATOMIC_SUPPORT /**/" >>confdefs.h
+
+				;;
+			*)
+				;;
+	 	esac
+fi
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ATOMIC" >&5
+printf "%s\n" "$ATOMIC" >&6; }
 
 DEBIAN_ARCH=$target_cpu
 if  test "x$target_cpu" = "xarm6l" -o "x$target_cpu" = "xarm7l"