From: Po Lu <luangruo@yahoo.com>
Date: Wed, 8 Mar 2023 13:18:50 +0000 (+0800)
Subject: Update Android port
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=1bf8fd61c5c4781a4f00ea4a4465915c04dcb659;p=emacs.git

Update Android port

* src/fileio.c (Fcopy_file): On Android, ignore ENOSYS and
ENOTSUP when restoring file times, as the system call used is
supported by many kernels.
---

diff --git a/src/fileio.c b/src/fileio.c
index 88582704d7e..99f710ccbf0 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2495,7 +2495,17 @@ permissions.  */)
       struct timespec ts[2];
       ts[0] = get_stat_atime (&st);
       ts[1] = get_stat_mtime (&st);
-      if (futimens (ofd, ts) != 0)
+      if (futimens (ofd, ts) != 0
+	  /* Various versions of the Android C library are missing
+	     futimens, which leads a gnulib fallback to be installed
+	     that uses fdutimens instead.  However, fdutimens is not
+	     supported on many Android kernels, so just silently fail
+	     if errno is ENOTSUP or ENOSYS.  */
+#if defined HAVE_ANDROID && !defined ANDROID_STUBIFY
+	  && errno != ENOTSUP
+	  && errno != ENOSYS
+#endif
+	  )
 	xsignal2 (Qfile_date_error,
 		  build_string ("Cannot set file date"), newname);
     }