diff -u -r samba-4.18.2/source3/modules/vfs_default.c samba-4.18.2-new/source3/modules/vfs_default.c
--- samba-4.18.2/source3/modules/vfs_default.c	2023-01-18 16:32:24.198553300 +0100
+++ samba-4.18.2-new/source3/modules/vfs_default.c	2023-05-29 16:31:54.359488000 +0200
@@ -729,7 +729,7 @@
 
 	SMB_ASSERT(!is_named_stream(smb_fname));
 
-#ifdef O_PATH
+#if defined(O_PATH) && defined(LINUX)
 	have_opath = true;
 	if (fsp->fsp_flags.is_pathref) {
 		flags |= O_PATH;
diff -u -r samba-4.18.2/source3/smbd/files.c samba-4.18.2-new/source3/smbd/files.c
--- samba-4.18.2/source3/smbd/files.c	2023-01-18 16:32:24.242553500 +0100
+++ samba-4.18.2-new/source3/smbd/files.c	2023-05-29 16:22:00.977261000 +0200
@@ -770,7 +770,7 @@
 	}
 	fsp->fsp_name = &full_fname;
 
-#ifdef O_PATH
+#if defined(O_PATH) && defined(LINUX)
 	/*
 	 * Add O_PATH manually, doing this by setting
 	 * fsp->fsp_flags.is_pathref will make us become_root() in the