Build system: use SPDX identifiers

[urcu.git] / m4 / ax_append_flag.m4

diff --git a/m4/ax_append_flag.m4 b/m4/ax_append_flag.m4
index dd6d8b61406c32a1822760b8835062a7d6b1a156..e1ea0fc46b6da517e04bb3c3fa40b891aebd88f0 100644 (file)
--- a/m4/ax_append_flag.m4
+++ b/m4/ax_append_flag.m4
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: FSFAP
 # ===========================================================================
 #      https://www.gnu.org/software/autoconf-archive/ax_append_flag.html
 # ===========================================================================