From f8a34abfbb284f5d5bdd254e4fec52979453b0fa Mon Sep 17 00:00:00 2001
From: nia <29542929+alarixnia@users.noreply.github.com>
Date: Tue, 18 Mar 2025 14:17:03 +0100
Subject: [PATCH] Only use S_ISSOCK if available. (#2543)

Needed to build on OpenServer 5 Definitive 2018.
---
 libarchive/archive_write_disk_posix.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libarchive/archive_write_disk_posix.c b/libarchive/archive_write_disk_posix.c
index 6b6ded739..f15337264 100644
--- a/libarchive/archive_write_disk_posix.c
+++ b/libarchive/archive_write_disk_posix.c
@@ -478,9 +478,11 @@ la_verify_filetype(mode_t mode, __LA_MODE_T filetype) {
 	case AE_IFLNK:
 		ret = (S_ISLNK(mode));
 		break;
+#ifdef S_ISSOCK
 	case AE_IFSOCK:
 		ret = (S_ISSOCK(mode));
 		break;
+#endif
 	case AE_IFCHR:
 		ret = (S_ISCHR(mode));
 		break;
-- 
2.47.3