2 files changed, 15 insertions, 9 deletions

diff --git a/ChangeLog b/ChangeLog
index 661c2fe42..3c8e78ddf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1 +1,7 @@
+2021-04-04  Fabrice Fontaine  <fontaine.fabrice@gmail.com>
+
+        pthread-cond: Fix wrong configure results when <pthread.h> is absent.
+        * m4/pthread-cond.m4 (gl_PTHREAD_COND): When <pthread.h> does not exist,
+        set HAVE_PTHREAD_COND_* to 0, not to 1.
+
 2021-04-04  Bruno Haible  <bruno@clisp.org>
diff --git a/m4/pthread-cond.m4 b/m4/pthread-cond.m4
index 75e37c613..8922a8a24 100644
--- a/m4/pthread-cond.m4
+++ b/m4/pthread-cond.m4
@@ -1,2 +1,2 @@
-# pthread-cond.m4 serial 1
+# pthread-cond.m4 serial 2
 dnl Copyright (C) 2019-2021 Free Software Foundation, Inc.
@@ -25,10 +25,10 @@ AC_DEFUN([gl_PTHREAD_COND],
     if test $HAVE_PTHREAD_H = 0; then
-      HAVE_PTHREAD_COND_INIT=1
-      HAVE_PTHREAD_CONDATTR_INIT=1
-      HAVE_PTHREAD_CONDATTR_DESTROY=1
-      HAVE_PTHREAD_COND_WAIT=1
-      HAVE_PTHREAD_COND_TIMEDWAIT=1
-      HAVE_PTHREAD_COND_SIGNAL=1
-      HAVE_PTHREAD_COND_BROADCAST=1
-      HAVE_PTHREAD_COND_DESTROY=1
+      HAVE_PTHREAD_COND_INIT=0
+      HAVE_PTHREAD_CONDATTR_INIT=0
+      HAVE_PTHREAD_CONDATTR_DESTROY=0
+      HAVE_PTHREAD_COND_WAIT=0
+      HAVE_PTHREAD_COND_TIMEDWAIT=0
+      HAVE_PTHREAD_COND_SIGNAL=0
+      HAVE_PTHREAD_COND_BROADCAST=0
+      HAVE_PTHREAD_COND_DESTROY=0
     fi