Empty src/s/netbsd.h and remove the file

* configure.ac (SIGNAL_H_AHB): New hack macro.
(opsysfile): Set to empty on netbsd, openbsd.
(AH_BOTTOM): Include signal.h if SIGNAL_H_AHB is defined.

* src/s/netbsd.h: Let configure include signal.h if needed.
Remove file, which is now empty.

2 files changed, 3 insertions, 24 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 37d660da785..076b5eb1cce 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2012-07-30  Glenn Morris  <rgm@gnu.org>
 
+        * s/netbsd.h: Let configure include signal.h if needed.
+        Remove file, which is now empty.
+
         * s/usg5-4-common.h (_longjmp, _setjmp): Let configure set them.
         * s/irix6-5.h (_longjmp, _setjmp): No more need to undefine.
 
diff --git a/src/s/netbsd.h b/src/s/netbsd.h
deleted file mode 100644
index 7a571ee8116..00000000000
--- a/src/s/netbsd.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* s/ file for netbsd system.
-
-Copyright (C) 2001-2012  Free Software Foundation, Inc.
-
-This file is part of GNU Emacs.
-
-GNU Emacs is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-GNU Emacs is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/* Greg A. Woods <woods@weird.com> says we must include signal.h
-   before syssignal.h is included, to work around interface conflicts
-   that are handled with CPP __RENAME() macro in signal.h.  */
-#include <signal.h>
-