From: Thomas Munro <tmunro@postgresql.org>
Date: Wed, 20 Jul 2022 04:09:50 +0000 (+1200)
Subject: Fix warnings on Windows.
X-Git-Tag: REL_16_BETA1~2189
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=bde60daa0ec9d0ee8dc79c0caa2c94d128527867;p=postgresql.git

Fix warnings on Windows.

Avoid macro redefinition warnings.

Reported-by: David Rowley <dgrowleyml@gmail.com>
Discussion: https://postgr.es/m/CAApHDvocHp4SXcPeMTwFiCQGaf9JypjTJ3Bh90jcPuGwxyDjjQ%40mail.gmail.com
---

diff --git a/src/include/port/win32_port.h b/src/include/port/win32_port.h
index 5ea66528fad..4de5bf3bf60 100644
--- a/src/include/port/win32_port.h
+++ b/src/include/port/win32_port.h
@@ -87,7 +87,9 @@
  * We have a replacement for fdatasync() in src/port/fdatasync.c, which is
  * unconditionally used by MSVC and Mingw builds.
  */
+#ifndef HAVE_FDATASYNC
 #define HAVE_FDATASYNC
+#endif
 
 #define USES_WINSOCK