diff --git a/Misc/ACKS b/Misc/ACKS
index 0ab67dd..d841e1a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -705,6 +705,7 @@
 Sam Rushing
 Mark Russell
 Nick Russo
+Sébastien Sablé
 Hajime Saitou
 George Sakkis
 Rich Salz
diff --git a/Misc/NEWS b/Misc/NEWS
index 574cf1c..32d26ff 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -347,6 +347,9 @@
 Build
 -----
 
+- Issue #9700: define HAVE_BROKEN_POSIX_SEMAPHORES under AIX 6.x.  Patch by
+  Sébastien Sablé.
+
 - Don't run pgen twice when using make -j.