xz: Don't fsync() directories on AIX

It fails with EBADF.

Fixes: https://github.com/tukaani-project/xz/issues/188
Closes: https://github.com/tukaani-project/xz/pull/189

diff --git a/src/xz/file_io.c b/src/xz/file_io.c
index 8c83269b13fa31284f7ea5f3627a1dfbce7d6e14..6b1a1536fb07cfa2ff6c7cf909a46f03a0f8ad34 100644 (file)
--- a/src/xz/file_io.c
+++ b/src/xz/file_io.c
@@ -493,7 +493,8 @@ io_sync_dest(file_pair *pair)
                return true;
        }
 
-#ifndef TUKLIB_DOSLIKE
+#if !defined(TUKLIB_DOSLIKE) && !defined(_AIX)
+       // On AIX, this would fail with EBADF.
        if (fsync(pair->dir_fd)) {
                message_error(_("%s: Synchronizing the directory of "
                                "the file failed: %s"),