diff --git a/configure.ac b/configure.ac
index 47094de..caa62bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -63,9 +63,9 @@ dnl ######################
 
 AC_CHECK_HEADERS([pthread.h],
 	AC_CHECK_LIB(pthread, pthread_create, LIBS="$LIBS -lpthread",
-		AC_MSG_ERROR([pthread.h found but there is no pthread library to make use of])
+		AC_MSG_NOTICE([pthread.h found but there is no pthread library to make use of])
 	),
-	AC_MSG_ERROR([no pthread.h header header file found])
+	AC_MSG_NOTICE([no pthread.h header header file found])
 )
 
 dnl ######################