diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 633ba37a62b3..ca29cf773c34 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,9 @@
+2017-04-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/80531
+	* configure.tgt (*-*-aix*): Add -frandom-seed=$@ to XCFLAGS to avoid
+	bootstrap compare failures.
+
 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
 
 	* testsuite/libgomp.c/target-36.c: New testcase.
diff --git a/libgomp/configure.tgt b/libgomp/configure.tgt
index 77e73f01f1ab..74d95a570c7f 100644
--- a/libgomp/configure.tgt
+++ b/libgomp/configure.tgt
@@ -149,6 +149,8 @@ case "${target}" in
 	config_path="posix"
 	# Need to link with -lpthread so libgomp.so is self-contained.
 	XLDFLAGS="${XLDFLAGS} -lpthread"
+	# AIX needs -frandom-seed for bootstrap compare.
+	XCFLAGS="${XCFLAGS} -frandom-seed=\$@"
 	;;
 
   nvptx*-*-*)