Define unlocked io functions to locked ones if they are unavailable

The locked IO functions will still do the job, albeit a bit slower.

Change-Id: I65c2b6aaa00374302aff3bcf4852a252e1eefd17
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 4 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index d43eeb65..29013e85 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-05-04  Ulf Hermann  <ulf.hermann@qt.io>
+
+	* configure.ac: Check for unlocked I/O functions.
+
 2017-04-28  Ulf Hermann  <ulf.hermann@qt.io>
 
 	* configure.ac: Determine the binary format we're building natively.