* fileio.c (Fmake_symbolic_link): Treat ENOSYS specially, and

generate a special message for it.  Suggested by Eli Zaretskii in
<http://lists.gnu.org/archive/html/emacs-devel/2011-02/msg00995.html>.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 0bfadcf1a91..a8de7268673 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,6 +1,9 @@
 2011-02-25  Paul Eggert  <eggert@cs.ucla.edu>
 
         Simplify symlink portability workaround.
+        * fileio.c (Fmake_symbolic_link): Treat ENOSYS specially, and
+        generate a special message for it.  Suggested by Eli Zaretskii in
+        <http://lists.gnu.org/archive/html/emacs-devel/2011-02/msg00995.html>.
         * config.in: Regenerate.
 
         * dired.c (Ffile_attributes): Increase size of modes from 10 to 12
diff --git a/src/fileio.c b/src/fileio.c
index 26006d63052..18e9dbe9680 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2325,6 +2325,12 @@ This happens for interactive use with M-x.  */)
               return Qnil;
             }
         }
+      if (errno == ENOSYS)
+        {
+          UNGCPRO;
+          xsignal1 (Qfile_error,
+                    build_string ("Symbolic links are not supported"));
+        }
 
       report_file_error ("Making symbolic link", list2 (filename, linkname));
     }