Mark wal_level as PGDLLIMPORT.

Per buildfarm, this is needed to allow extensions to use XLogIsNeeded()
in Windows builds.

diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
index 0744c3f972059fedfee74ec8ba5548222c7b9b92..e7e91fcb039830873299d89fc2a549a1233ad26a 100644 (file)
--- a/src/include/access/xlog.h
+++ b/src/include/access/xlog.h
@@ -124,7 +124,8 @@ typedef enum WalLevel
        WAL_LEVEL_REPLICA,
        WAL_LEVEL_LOGICAL
 } WalLevel;
-extern int     wal_level;
+
+extern PGDLLIMPORT int wal_level;
 
 /* Is WAL archiving enabled (always or only while server is running normally)? */
 #define XLogArchivingActive() \