Fix use of unportable %m format

diff --git a/contrib/pg_upgrade/file.c b/contrib/pg_upgrade/file.c
index 07a7eb8d1441ba03a88455702c4ad0c93a3941ea..29e3c06a9e090d170b9dff4e71c245e21d9eee78 100644 (file)
--- a/contrib/pg_upgrade/file.c
+++ b/contrib/pg_upgrade/file.c
@@ -287,7 +287,7 @@ pg_scandir_internal(migratorContext *ctx, const char *dirname,
        size_t          entrysize;
 
        if ((dirdesc = opendir(dirname)) == NULL)
-               pg_log(ctx, PG_FATAL, "Could not open directory \"%s\": %m\n", dirname);
+               pg_log(ctx, PG_FATAL, "Could not open directory \"%s\": %s\n", dirname, getErrorText(errno));
 
        *namelist = NULL;