diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 0bb2391924..535cf1bf2e 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-22  Yao Qi  <yao.qi@linaro.org>
+
+	* gdb.base/info-os.exp: Pass pthreads.
+	* gdb.multi/multi-attach.exp: Likewise.
+
 2017-11-22  Yao Qi  <yao.qi@linaro.org>
 
 	* gdb.dwarf2/pr10770.exp: Remove code skipping non-gcc
diff --git a/gdb/testsuite/gdb.base/info-os.exp b/gdb/testsuite/gdb.base/info-os.exp
index 574da26c33..3267eec9da 100644
--- a/gdb/testsuite/gdb.base/info-os.exp
+++ b/gdb/testsuite/gdb.base/info-os.exp
@@ -28,7 +28,7 @@ if [gdb_skip_xml_test] then {
 }
 
 # Compile test program.
-if { [prepare_for_testing "failed to prepare" $testfile $srcfile {debug additional_flags=-lpthread}] } {
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile {debug pthreads}] } {
     fail "cannot compile test program"
     return -1
 }
diff --git a/gdb/testsuite/gdb.multi/multi-attach.exp b/gdb/testsuite/gdb.multi/multi-attach.exp
index 9397f85297..0e54b4fa52 100644
--- a/gdb/testsuite/gdb.multi/multi-attach.exp
+++ b/gdb/testsuite/gdb.multi/multi-attach.exp
@@ -23,7 +23,7 @@ if {![can_spawn_for_attach]} {
     return 0
 }
 
-if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug additional_flags=-lpthread}]} {
+if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug pthreads}]} {
     return -1
 }